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Tdk Corporation patents


Recent patent applications related to Tdk Corporation. Tdk Corporation is listed as an Agent/Assignee. Note: Tdk Corporation may have other listings under different names/spellings. We're not affiliated with Tdk Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tdk Corporation-related inventors


Band-pass filter

A band-pass filter includes a main body formed of a dielectric, a plurality of resonators, a shield, and a partition formed of a conductor. Each of the plurality of resonators includes a resonator conductor portion. ... Tdk Corporation

Vibrating device

A vibrating device includes a piezoelectric element, a resin member having electric insulation, a vibrating member made of metal, a first adhesive layer, and a second adhesive layer. The resin member includes a first principal surface and a second principal surface opposing each other. ... Tdk Corporation

Thermoelectric conversion device

A thermoelectric conversion device includes a first wiring and a second wiring that are arranged between one thermoelectric conversion element array and the other thermoelectric conversion element array adjacent to each other in a second direction, and electrically connect any two of first electrodes and second electrodes of each thermoelectric conversion element so that the thermoelectric conversion elements constituting one thermoelectric conversion element array and the thermoelectric conversion elements constituting the other thermoelectric conversion element array are alternately connected in series, and the first wiring and the second wiring are arranged so that the wirings at least partially intersect each other via an insulating layer as viewed in the thickness direction of the substrate.. . ... Tdk Corporation

Multilayer capacitor and electronic component device

A multilayer capacitor includes an element assembly, a first external electrode, a second external electrode, and a plurality of internal electrodes which are disposed at the inside of the element assembly. The plurality of internal electrodes include a first internal electrode that is electrically connected to the first external electrode, a second internal electrode that is electrically connected to the second external electrode, and a plurality of third internal electrodes. ... Tdk Corporation

Coil device

A coil device includes a conductor and a terminal electrode. The conductor is embedded in a core body and wound in a coil shape. ... Tdk Corporation

Lens drive device and electromagnetic drive unit

A lens drive device includes a movable portion, a fixed portion, and a nonmagnetic case. The movable portion includes a double-pole magnet having two pairs of magnetic poles, a first coil opposing to the double-pole magnet in a perpendicular direction to a light axis, and a lens holder being movable to the double-pole magnet in a direction of the light axis. ... Tdk Corporation

Optical system

The disclosure provides an optical system, including a fixed part, a movable part, a driving assembly and a sensing coil. The fixed part includes a base. ... Tdk Corporation

Lens drive device and electromagnetic drive unit

A lens drive device includes a movable portion, a fixed portion, and a nonmagnetic case. The movable portion includes a double-pole magnet having two pairs of magnetic poles, a first coil opposing to the double-pole magnet in a perpendicular direction to a light axis, and a lens holder being movable to the double-pole magnet in a direction of the light axis. ... Tdk Corporation

Magnetic sensor and method of manufacturing the same

A magnetic sensor having a yoke that can achieve large magnetic flux density and that can be accurately formed is provided. The magnetic sensor includes magnetic field detection element 21 that detects a magnetic field in first direction x and first yoke 23 that is located near magnetic field detection element 21 and extends in second direction z that is orthogonal to first direction x. ... Tdk Corporation

Piezoelectric actuator

A piezoelectric actuator (1) includes: a piezoelectric element (3); and a first frictional portion (10) and a second frictional portion (12) that are disposed on one principal surface (2d) of the piezoelectric element (3). The first frictional portion (10) is disposed at a position other than the antinodes of the piezoelectric element (3) at which a distance from one of the end surfaces (2a) is less than ⅓ l, where l represents a length in the longitudinal direction of the piezoelectric element (3). ... Tdk Corporation

Multilayer coil component

A multilayer coil component includes an element body, a coil including a plurality of internal conductors, and a plurality of stress-relaxation spaces. The plurality of internal conductors are separated from each other in a first direction in the element body. ... Tdk Corporation

Soft magnetic alloy and magnetic device

A soft magnetic alloy comprising a main component having a compositional formula of ((fe(1−(α+β))x1αx2β)(1−(a+b+c))mabbcrc)1−dcd, and a sub component including p, s and ti, wherein x1 is selected from the group co and ni, x2 is selected from the group al, mn, ag, zn, sn, as, sb, bi and rare earth elements, “m” is selected from the group nb, hf, zr, ta, mo, w and v, 0.030≤a≤0.14, 0.005≤b≤0.20, 0<c≤0.040, 0≤d≤0.040, α≥0, β≥0, and 0≤α+β≤0.50 are satisfied, when soft magnetic alloy is 100 wt %, p is 0.001 to 0.050 wt %, s is 0.001 to 0.050 wt %, and ti is 0.001 to 0.080 wt %, and when a value obtained by dividing p by s is p/s, then p/s satisfies 0.10≤p/s≤10.. . ... Tdk Corporation

Soft magnetic alloy and magnetic device

A soft magnetic alloy including a compositional formula of ((fe(1−(α+β))x1αx2β)(1−(a+b+c+e))mabbpccue)1−fcf, wherein x1 is one or more selected from the group consisting co and ni, x2 is one or more selected from the group consisting of al, mn, ag, zn, sn, as, sb, bi, n, o, and rare earth elements, “m” is one or more selected from the group consisting of nb, hf, zr, ta, ti, mo, w, and v, 0.030<a≤0.14, 0.028≤b≤0.20, 0≤c≤0.030, 0<e≤0.030, 0<f≤0.040, α≥0, β≥0, and 0≤α+β≤0.50 are satisfied.. . ... Tdk Corporation

Soft magnetic alloy and magnetic device

A soft magnetic alloy comprising a main component having a compositional formula of ((fe(1−(α+β))x1αx2β)(1−(a+b))mabb)1−ccc, and a sub component including p, s and ti, wherein x1 is selected from the group co and ni, x2 is selected from the group al, mn, ag, zn, sn, as, sb, bi, and rare earth elements, “m” is one or more selected from the group nb, hf, zr, ta, mo, w, and v, 0.030≤a≤0.14, 0.005≤b≤0.20, 0≤c≤0.040, α≥0, β≥0, and 0≤α+β≤0.50 are satisfied, when magnetic alloy is 100 wt %, p is 0.001 to 0.050 wt %, s is 0.001 to 0.050 wt %, and ti is 0.001 to 0.080 wt %, and when a value obtained by dividing p by s is p/s, then p/s satisfies 0.10≤p/s≤10.. . ... Tdk Corporation

08/02/18 / #20180218810

Soft magnetic alloy and magnetic device

A soft magnetic alloy including a main component having a compositional formula of (fe(1−(α+β))x1αx2β)(1−(a+b+c))mabbpc, and a sub component including at least c, s and ti, wherein x1 is one or more selected from the group including co and ni, x2 is one or more selected from the group including al, mn, ag, zn, sn, as, sb, bi, and rare earth elements, “m” is one or more selected from the group including nb, hf, zr, ta, mo, w, and v, 0.020≤a≤0.14, 0.020≤b≤0.20, 0≤c≤0.040, α≥0, β≥0, and 0≤α+β≤0.50 are satisfied, when entire said soft magnetic alloy is 100 wt %, a content of said c is 0.001 to 0.050 wt %, a content of said s is 0.001 to 0.050 wt %, and a content of said ti is 0.001 to 0.080 wt %, and when a value obtained by dividing the content of said c by the content of said s is c/s, then c/s satisfies 0.10≤c/s≤10.. . ... Tdk Corporation

07/26/18 / #20180213311

Top port microphone and method for the production of same

A microphone has a housing comprising a bottom part and an upper part, and a transducer element which is arranged in the housing and is electrically and mechanically connected to the bottom part. For stress-free mounting of the transducer element, a flexible connecting element is proposed, which is pliable and/or compressible, is arranged between the transducer element and the upper part and connects the transducer element to the upper part. ... Tdk Corporation

07/26/18 / #20180213131

Lens driving module with casing having plastic material and assembly method thereof

A lens driving module is provided, configured to drive an optical lens to move, including a holder, a casing, a base, an electromagnetic driving assembly and a glue. The optical lens is disposed in a receiving space of the holder. ... Tdk Corporation

07/26/18 / #20180212444

Battery module and battery system having the same

Disclosed herein is a battery module that includes an external power supply terminal, a battery cell, a monitoring circuit that monitors a state of the battery cell, and a switch circuit that supplies one of an electric power supplied from the external power supply terminal and an electric power supplied from the battery cell to the monitoring circuit based on a switching signal.. . ... Tdk Corporation

07/26/18 / #20180212207

Battery

Disclosed herein is a battery that includes a chargeable/dischargeable battery cell and an outer case that houses the battery cell. The outer case having first and second top plates overlapping each other as viewed in a thickness direction thereof. ... Tdk Corporation

07/26/18 / #20180211784

Ceramic electronic device

A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. ... Tdk Corporation

07/26/18 / #20180211783

Ceramic electronic device

A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. ... Tdk Corporation

07/26/18 / #20180211764

Common mode filter

Disclosed herein is a common mode filter that includes a winding core part including first to third winding areas and first and second wires wound in a same direction around the winding core part and crossing each other in the third winding area. The first wire is aligned and wound in the first and second winding areas, and the second wire is aligned and wound on the first wire in the first and second winding areas, whereby a plurality of winding blocks are formed. ... Tdk Corporation

07/26/18 / #20180211763

Common mode filter and manufacturing method thereof

Disclosed herein is a common mode filter that includes a winding core part including a first winding area positioned at one end side in an axial direction, a second winding area positioned at other end side in the axial direction, and a third winding area positioned between the first and second winding areas; and first and second wires wound in a same direction around the winding core part. The first wire is aligned and wound in the first and second winding areas, and the second wire is wound on the first wire in the first and second winding areas. ... Tdk Corporation

07/26/18 / #20180211686

Thermal assisted magnetic recording head having plasmon generator in which dielectic layer is surrounded by metal layer

A thermally assisted magnetic recording head has a waveguide that propagates laser light as propagating light; a main pole that has a first end portion on an air bearing surface (abs) facing a magnetic recording medium and that emits a magnetic flux to the magnetic recording medium; a metal layer that is positioned between the main pole and the waveguide, that extends from a second end portion positioned on the abs in a height direction, that generates surface plasmons from the propagating light, and that generates near-field light (nf light) from the surface plasmons at the second end portion; and a dielectric body layer that is surrounded by the metal layer and that extends from a third end portion positioned on the abs in a height direction.. . ... Tdk Corporation

07/26/18 / #20180210317

Optical member driving system

An image capturing unit is provided, including a base, a frame movably connected to the base, a lens holder movably disposed in the frame for receiving a lens, a first magnet, a first coil, a second magnet, and a second coil. When a current is applied to the first coil, a magnetic force is generated between the first magnet and the first coil to move the frame and the lens holder relative to the base. ... Tdk Corporation

07/26/18 / #20180210160

Support mechanism

An optical mechanism is provided. The optical mechanism includes a fixed member, a movable member, an optical element, a first sensing magnet and a first sensing element, wherein the movable member is movably connected to the fixed member, and the optical element is disposed on the movable member. ... Tdk Corporation

07/19/18 / #20180204805

Composite magnetic sealing material and electronic circuit package using the same as mold material

Disclosed herein is a composite magnetic sealing material includes a resin material and a filler blended in the resin material in a blend ratio of 50 vol. % or more and 85 vol. ... Tdk Corporation

07/19/18 / #20180204661

Inductor element and method of manufacturing the same

A method of manufacturing an inductor element includes preparing an insert member including a winding portion where a conductor is wound in a coil shape. A plurality of preliminary green compacts is obtained by conducting a preliminary compression molding of a granule containing a magnetic powder and a resin at a pressure of 2.5×102 to 1×103 mpa. ... Tdk Corporation

07/19/18 / #20180204657

Soft magnetic material, core, and inductor

The soft magnetic material, the core, and the inductor have high permittivity and excellent dc superimposition characteristic. A soft magnetic material comprising a soft magnetic metal powder and a resin, wherein said soft magnetic metal powder is constituted from a particle group α and a particle group β, when ia is a peak intensity of the particle group α, vα is the volume of the particle group α, ib is a peak intensity of the particle group β, vβ is the volume of the particle group β, and ic is a minimum intensity present between the particle group α and the particle group β, then an intensity ratio ic/ia satisfies 0.12 or less, and a volume ratio vα/vβ is 2.0 or more and 5.1 or less.. ... Tdk Corporation

07/12/18 / #20180198962

Lens driving mechanism

A lens driving mechanism is provided, including a lens holder, a circuit unit, a driving element, and an integrated circuit element. The lens holder is used for holding a lens. ... Tdk Corporation

07/12/18 / #20180197681

Electronic device

An electronic device includes a chip component and a metal terminal. The chip component has an element body where internal electrodes are laminated inside and a terminal electrode formed outside the element body and connected with end parts of the internal electrodes. ... Tdk Corporation

07/12/18 / #20180197666

Soft magnetic material, core, and inductor

A soft magnetic material comprising a soft magnetic metal powder and a resin, wherein the soft magnetic metal powder is constituted from a particle group α and group β, when ia is a peak intensity of the particle group α, ib is a peak intensity of the particle group β, and ic is a minimum intensity present between the particle group α and group β, then an intensity ratio ic/ia satisfies 0.10 or less and an intensity ratio ia/ib satisfies 1.2 or more and 3.0 or less, the particle group α having a maximum peak intensity in a size distribution of the soft magnetic metal powder, the particle group β having an peak intensity which is the second largest to the particle group α, and a peak particle size pa of the particle group α is larger than a peak particle size pb of the particle group β.. . ... Tdk Corporation

07/12/18 / #20180197649

Transparent conductor

The transparent conductor includes a transparent resin substrate, a first metal oxide layer, a metal layer containing a silver alloy, and a second metal oxide layer in the order presented. The first metal oxide layer contains zinc oxide, indium oxide, and titanium oxide, and the content of sno2 in the first metal oxide layer is 40 mol % or less with respect to the total of four components of zinc oxide, indium oxide, titanium oxide, and tin oxide in terms of zno, in2o3, tio2, and sno2, respectively. ... Tdk Corporation

07/12/18 / #20180196218

Electromagnetic driving mechanism and assembly method thereof

An electromagnetic driving mechanism is provided for driving two different optical lenses, including a base, a first holder, a frame, a resilient element, a first electromagnetic driving assembly, a second holder, and a second electromagnetic driving assembly. The first and second holders are provided for holding the optical lenses. ... Tdk Corporation

07/12/18 / #20180196217

Lens driving module

A lens driving module is provided which includes a movable portion, a base, a housing, a plastic substrate, and a 3d circuit. The base is adjacent to the movable portion, and the housing is connected to the base and surrounds the movable portion. ... Tdk Corporation

07/05/18 / #20180190988

Active material, method of manufacturing active material, and lithium-ion secondary battery

The present invention provides an active material which can increase the discharge capacity of a lithium-ion secondary battery as compared with the case using conventional limnpo4 as a positive electrode active material. The active material in accordance with the present invention contains a crystallite of limnpo4, the crystallite having a size of 20 to 93 nm in a direction perpendicular to a (060) plane thereof.. ... Tdk Corporation

07/05/18 / #20180190431

Electronic device

An electronic device in which an equivalent series inductance including a parasitic inductance of a capacitor and an inductance of wiring of a mount board may be decreased is provided. An electronic device includes a first terminal conductor, a second terminal conductor, a third terminal conductor, and a fourth terminal conductor; one or a plurality of first inner electrodes, and one or a plurality of second inner electrodes; and a connection conductor. ... Tdk Corporation

07/05/18 / #20180188629

Optical waveguide element and optical modulator using the same

Disclosed herein is an optical waveguide element that includes a substrate and a waveguide layer formed on the substrate and comprising lithium niobate. The waveguide layer has a slab part having a predetermined thickness and a ridge part protruding from the slab part. ... Tdk Corporation

07/05/18 / #20180188527

Optical element driving mechanism

An optical element driving mechanism includes a fixed module, a movable module, an optical element, a first sensing magnet, and a first sensing element. The movable module is movably connected to the fixed module. ... Tdk Corporation

07/05/18 / #20180188476

Optical mechanism

An optical mechanism is provided, the optical mechanism includes a fixed member, a movable member, an optical element, a first sensing magnet and a first sensing element, wherein the movable member is movably connected to the fixed member, and the optical element is disposed on the movable member. The first sensing magnet corresponds to the optical element and has a first magnetic polar direction. ... Tdk Corporation

06/28/18 / #20180184200

Electronic circuit for a microphone and microphone

The electronic circuit (10) comprises an input stage (pre_amp) for pre-amplifying an electrical input signal of the electronic circuit (10) provided by a transducer (mems). Furthermore, the electronic circuit (10) comprises an output stage (t_amp) for providing a microphone output signal by processing an output signal of the input stage (pre_amp). ... Tdk Corporation

06/28/18 / #20180183344

Converter apparatus

A converter apparatus includes: a first transformer with two windings; a first full-bridge circuit with four switches, dc input/output units connected to a first dc power supply, and ac input/output units connected via an inductor to one winding of the first transformer; a second full-bridge circuit with four switches, dc input/output units connected to a second dc power supply, and ac input/output units connected via an inductor to another winding of the first transformer; a second transformer with two windings, one being connected via an inductor to the ac input/output units of the first circuit; a third full-bridge circuit with four switches, dc input/output units connected to a third dc power supply, and ac input/output units connected via an inductor to another winding of the second transformer; and a control unit for controlling the switches to supply power between the first to third dc power supplies.. . ... Tdk Corporation

06/28/18 / #20180182553

Ceramic electronic device

A ceramic electronic device includes a chip component, a pair of metal terminal portions, and a case. The metal terminal portion includes a terminal connection portion and a mount portion. ... Tdk Corporation

06/28/18 / #20180182549

Multilayer ceramic electronic device

A multilayer ceramic electronic device includes a laminated body having alternately laminated internal electrode layers and dielectric layers. The dielectric layer has a thickness of 0.5 μm or less. ... Tdk Corporation

06/28/18 / #20180180838

Driving mechanism

A driving mechanism for driving an optical element is provided, including a housing module, a hollow holder, and an electromagnetic driving assembly. The holder is movably disposed in the housing module for holding the optical element, wherein the holder has a sidewall portion forming a through hole. ... Tdk Corporation

06/28/18 / #20180180685

Magnetic sensor including two bias magnetic field generation units for generating stable bias magnetic field

A magnetic sensor includes an mr element and two stacks. The two stacks are spaced apart from each other along a first direction. ... Tdk Corporation

06/28/18 / #20180180643

Analysis method of composition network topology structure and analysis program thereof

An analysis method of a composition network topology structure includes obtaining a three-dimensional body for analysis capable of being used for three-dimensional measurement of a concentration distribution of a specific element contained in a sample within a predetermined measurement range. The three-dimensional body for analysis is divided into unit grids composed of a plurality of finer three-dimensional bodies. ... Tdk Corporation

06/28/18 / #20180179078

Dielectric composition and electric components

The present invention relates to the dielectric composition including barium titanate, strontium titanate, titanium oxide and bismuth oxide. In case when the content of barium titanate, converted to batio3, is a mol %, the content of strontium titanate, converted to srtio3, is b mol %, the content of titanium oxide and bismuth oxide, converted to bi2ti3o9, is c mol %, and a+b+c=100, a, b and c are values within a scope surrounded by the following four points, i.e. ... Tdk Corporation

06/21/18 / #20180175820

Balanced/unbalanced converter

Provided is a balanced/unbalanced converter (1) that includes a first strip line (40), a second strip line (41), a third strip line (42), a fourth strip line (43), an unbalanced terminal (4), and an open terminal (7). The first strip line (40) includes a spiral first conductor (19), and the second strip line (41) includes a spiral second conductor (14). ... Tdk Corporation

06/21/18 / #20180175758

Optical driving mechanism

An optical driving mechanism is provided, disposed in an electronic device, including a movable portion, a fixed portion, and a sensing assembly. The movable portion has a holder configured to sustain an optical element. ... Tdk Corporation

06/21/18 / #20180175748

Piezoelectric unit

A piezoelectric unit includes a piezoelectric element that expands and contracts in a first direction, a drive shaft connected with a first end surface of the piezoelectric element, a weight connected with a second end surface of the piezoelectric element, a protection member covering at least a part of the piezoelectric element, the drive shaft, and the weight, and a movable member engaged with the drive shaft. An inner wall surface of the protection member includes a weight position regulating portion that regulates a position of the weight, an element position regulating portion that regulates a position of the piezoelectric element, and a shaft position regulating portion that regulates a position of the drive shaft. ... Tdk Corporation

06/21/18 / #20180175714

Electromagnetic driving module and lens device using the same

The disclosure discloses an electromagnetic driving module which includes a base, two magnetic elements, a wiring assembly, a reference element, and a sensor element. The two magnetic elements are arranged along a reference line and positioned at two sides of the base. ... Tdk Corporation

06/21/18 / #20180175494

Wiring component

Disclosed herein is a wiring component that includes a base material and a planar coil pattern formed on the base material. The planar coil pattern includes a coil wiring portion having one end, other end, and first to third connecting positions, the second connecting position being closer to the other end compared with the first connecting position, the third connecting position being closer to the one end compared with the second connecting position; a power-feed wiring portion connected to the first connecting position; and a connection wiring portion that short-circuits the second connecting position and the third connecting position. ... Tdk Corporation

06/21/18 / #20180174748

Method for manufacturing planar coil

Disclosed herein is a method for manufacturing a planar coil, the method including forming a base conductive layer on a base material, the base conductive layer including: a coil wiring portion having one end, other end, and first to third connecting positions, the second connecting position being closer to the other end compared with the first connecting position, the third connecting position being closer to the one end compared with the second connecting position; a power-feed wiring portion that connects the first connecting position with an external power source; and a connection wiring portion that short-circuits the second connecting position and the third connecting position; forming a wiring conductive layer on the base conductive layer by electrolytic plating by feeding power from the external power source; and removing the power-feed wiring portion and the connection wiring portion.. . ... Tdk Corporation

06/21/18 / #20180173260

Low-dropout voltage regulator apparatus

A low-dropout voltage regulator (ldo) apparatus is disclosed. In an embodiment, the ldo apparatus includes a voltage input connectable to a power supply, an error amplifier coupled to the voltage input and configured to receive a reference signal and a feedback signal and to generate an output control signal dependent on the reference signal and the feedback signal, and a pass transistor coupled to the error amplifier and configured to receive the output control signal of the error amplifier and to provide an output current dependent on the output control signal. ... Tdk Corporation

06/21/18 / #20180172782

Magnetic field detection device

A magnetic field detection device includes a first soft magnetic body, a second soft magnetic body, and a magnetism detection element. The first soft magnetic body extends to have a first length in a first direction, and has a first width, smaller than the first length, in a second direction. ... Tdk Corporation

06/21/18 / #20180172781

Triaxial magnetic sensor and method of manufacturing such

A triaxial magnetic sensor that can detect with high precision magnetic fields in three axial directions comprises a substrate having a first surface and a second surface opposite the first surface, and a magnetic sensor element group provided on the first surface. The magnetic sensor element group includes a first magnetic sensor element for magnetic detection in the x-axis direction, a second magnetic sensor element for magnetic detection in the y-axis direction and a third magnetic sensor element for magnetic detection in the z-axis direction. ... Tdk Corporation

06/21/18 / #20180172780

Calibration method for a hall effect sensor

A calibration method for a hall sensor having a hall sensitive layer with four electrical contacts and a first field plate, wherein, at a first temperature and at a first magnetic flux density, a resistance value of the hall sensitive layer is determined for each of at least three different field plate voltages present at the field plate, a calibration curve is produced from the at least three resistance values, a deviation value of the calibration curve is determined from a reference calibration curve, and the field plate voltage that is present at the first field plate or an operating voltage that is present at the sensitive layer is readjusted by a correction value corresponding to the deviation value.. . ... Tdk Corporation

06/21/18 / #20180172481

Correction apparatus for angle sensor, and angle sensor

A correction apparatus for an angle sensor includes a correction processing unit, an indicator value generation unit, and a correction information determination unit. The correction processing unit performs correction processing on a plurality of detection signals to reduce an error of a detected angle value. ... Tdk Corporation

06/14/18 / #20180166949

Multi-directional vibration actuator

The present disclosure provides a vibration device, including a stator, an eccentric wheel and an electromagnetic driving assembly. The eccentric wheel rotates around a rotating shaft relative to the stator. ... Tdk Corporation

06/14/18 / #20180166219

Multilayer electronic component

The present invention relates to a multilayer electronic component which includes an element body where a plurality of internal electrode layers and dielectric layers are alternately laminated. Insulating layers are disposed on a pair of side surfaces of the element body, facing each other. ... Tdk Corporation

06/14/18 / #20180166218

Multilayer electronic component

The present invention relates to a multilayer electronic component which includes an element body where a plurality of internal electrode layers and dielectric layers are alternately laminated. Insulating layers are disposed on at least one side surface of the element body. ... Tdk Corporation

06/14/18 / #20180164660

Tri-axis closed-loop anti-shake structure

Provided is a lens driving device includes a lens holder for carrying a lens; a frame for receiving the lens holder; a first driving component for driving the lens holder to move along a first direction in respect to the frame; a base moveably connected to the frame; a second driving component for driving the frame to move along a second direction in respect to the base, and a position sensor disposed on the frame for sensing a change in a position of the lens holder along the first direction in respect to the frame, wherein the first direction is not parallel to the second direction.. . ... Tdk Corporation

06/14/18 / #20180164539

Camera module

A camera module is provided, including a lens holder, a driving mechanism, a frame, a base, a sensing element, and a plurality of three-dimensional circuits. The lens holder carries a lens with an optical axis. ... Tdk Corporation

06/14/18 / #20180164127

Angle sensor and angle sensor system

An angle sensor includes a plurality of composite magnetic field information generation units and an angle computing unit. The plurality of composite magnetic field information generation units detect, at a plurality of detection positions, a composite magnetic field of a magnetic field to be detected and a noise magnetic field other than the magnetic field to be detected, and thereby generate a plurality of pieces of composite magnetic field information including information on at least the direction, out of the direction and the strength, of the composite magnetic field. ... Tdk Corporation

06/14/18 / #20180161830

Wafer transport container interior atmosphere measurement device, wafer transport container, wafer transport container interior cleaning device, and wafer transport container interior cleaning method

A wafer transport container interior atmosphere measurement device is arranged in wafer transport container. The device detects an atmosphere in the wafer transport container and communicates the atmosphere. ... Tdk Corporation

06/07/18 / #20180159492

Magnetoresistive effect device

A high-frequency filter includes at least one magnetoresistive effect element; a first port through which a high-frequency signal is input; a second port through which a high-frequency signal is output; and a signal line.. . ... Tdk Corporation

06/07/18 / #20180159380

Wireless power receiver, wireless power transmission system using the same, and rectifier

Disclosed herein is a wireless power receiving device that includes a power receiving coil that takes in ac power via a magnetic field, and a rectifier that converts the ac power to dc power and outputs the dc power to a load. The rectifier includes a plurality of diodes bridge-connected to each other, the plurality of diodes including a first diode whose anode is connected to one input terminal of the rectifier and a second diode whose cathode is connected to the one input terminal of the rectifier; a first capacitor connected in parallel with the first diode; and a second capacitor connected in parallel with the second diode. ... Tdk Corporation

06/07/18 / #20180159026

Spin current magnetization rotational element, magnetoresistance effect element, and magnetic memory

A spin current magnetization rotational element includes: a magnetization free layer including a synthetic structure consisting of a first ferromagnetic metal layer, a second ferromagnetic metal layer and a first non-magnetic layer sandwiched by the first ferromagnetic metal layer and the second ferromagnetic metal layer; and an antiferromagnetic spin-orbit torque wiring that extends in a second direction intersecting with a first direction that is a lamination direction of the synthetic structure and is joined to the first ferromagnetic metal layer, wherein the spin current magnetization rotational element is configured to change a magnetization direction of the magnetization free layer by applying current to the antiferromagnetic spin-orbit torque wiring.. . ... Tdk Corporation

06/07/18 / #20180159020

Piezoelectric thin film-stacked body, piezoelectric thin film substrate, piezoelectric thin film device, piezoelectric actuator, piezoelectric sensor, head assembly, head stack assembly, hard disk drive, printer head, and ink-jet printer device

A piezoelectric thin film-stacked body is provided. A piezoelectric thin film-stacked body has a first electrode layer, a first oxide layer stacked on the first electrode layer, a second oxide layer stacked on the first oxide layer, and a piezoelectric thin film stacked on the second oxide layer, the electrical resistivity of the first oxide layer is higher than the electrical resistivity of the second oxide layer, the first oxide layer includes k, na, and nb, and the piezoelectric thin film includes (k,na)nbo3.. ... Tdk Corporation

06/07/18 / #20180159019

Piezoelectric thin film-stacked body, piezoelectric thin film substrate, piezoelectric thin film device, piezoelectric actuator, piezoelectric sensor, head assembly, head stack assembly, hard disk drive, printer head, and ink-jet printer device

A piezoelectric thin film-stacked body is provided. A piezoelectric thin film-stacked body has a first electrode layer, a first intermediate layer stacked on the first electrode layer, a second intermediate layer stacked on the first intermediate layer, and a piezoelectric thin film stacked on the second intermediate layer, the first intermediate layer includes k, na, and nb, the second intermediate layer is a layer causing stress in a compression direction in the piezoelectric thin film, and the piezoelectric thin film includes (k,na)nbo3.. ... Tdk Corporation

06/07/18 / #20180158782

Electronic circuit package having high composite shielding effect

Disclosed herein is an electronic circuit package includes: a substrate having a power supply pattern; an electronic component mounted on a surface of the substrate; a magnetic mold resin that covers the surface of the substrate so as to embed the electronic component therein, the magnetic mold resin comprising a composite magnetic material containing a thermosetting resin material and a magnetic filler; and a laminated film including at least a metal film and a magnetic film, the laminated film covering at least an top surface of the magnetic mold resin. The metal film is connected to the power supply pattern, and the magnetic film has a higher effective permeability than that of the magnetic mold resin.. ... Tdk Corporation

06/07/18 / #20180158595

Coil component

A coil component includes a first core, a second core, a lead wire, an outside mark, and an inside mark. The first core includes a winding portion and a pair of core ends. ... Tdk Corporation

06/07/18 / #20180158583

R-t-b based permanent magnet

An object of the present invention is to provide an r-t-b based permanent magnet showing high residual magnetic flux density br and coercive force hcj, and further showing the same also after heavy rare earth element is diffused along grain boundaries. Provided is an r-t-b based permanent magnet in which, r is a rare earth element, t is an element other than the rare earth element, b, c, o or n, and b is boron. ... Tdk Corporation

06/07/18 / #20180158582

R-t-b based permanent magnet

An object of the present invention is to provide an r-t-b based permanent magnet showing high residual magnetic flux density br and coercive force hcj. Provided is an r-t-b based permanent magnet in which, r is a rare earth element, t is an element other than the rare earth element, b, c, o or n, and b is boron. ... Tdk Corporation

06/07/18 / #20180157004

Integrated structure of auto focus and optical image stabilizer mechanisms

An integrated structure of auto focus (af) and optical image stabilizer (ois) mechanisms includes a lens holder, a frame, magnets, suspension elements, and a driver board. The lens holder has an af coil disposed outside thereof and is suspended in the frame. ... Tdk Corporation

06/07/18 / #20180156874

Magnetic field detection device

Provided is a magnetic field detection device that includes a first soft magnetic body and a magnetic detector. The first soft magnetic body includes a first plate and a first protrusion. ... Tdk Corporation

05/31/18 / #20180148853

Composite body

A composite body has a cermet member, a metal member and an intermediate member. The cermet member includes a cermet oxide phase and a cermet metal phase. ... Tdk Corporation

05/24/18 / #20180145651

Multilayer filter

A multilayer filter (1) includes an element body (2) formed by stacking a plurality of insulator layers (10), and an input terminal tin (5), a first output terminal tout1 (9), and a ground terminal g (4, 8) arranged on outer surfaces of the element body (2), a first lc resonance circuit (rc2) provided in a line (s1) connecting the input terminal tin (5) to the first output terminal tout1 (9) and including a first inductor (l2) and a first capacitor (c2), and an open inductor (lopen) having one end connected to the ground terminal (g) and the other end open are provided in the element body (2), and the open inductor (lopen) is arranged to face the first output terminal tout1 (9) or the first inductor (l2).. . ... Tdk Corporation

05/24/18 / #20180145608

Power conversion apparatus

A power conversion apparatus includes: dc input terminals for inputting a dc voltage; ac output terminals for outputting an ac voltage; a switching element; a first resonant capacitance connected across the switching element; a first lc resonance circuit that has an inductance and a capacitance connected in series and is connected together with the switching element between the ac output terminals; and a second lc resonance circuit connected in series together with the switching element between the dc input terminals. The second lc resonance circuit includes a first connector portion connected to one dc input terminal and a second connector portion connected to the switching element, and has a first current path, which includes an inductance, and a second current path, which includes a series circuit with an inductance and a capacitance, formed between the first connector portion and the second connector portion.. ... Tdk Corporation

05/17/18 / #20180139871

Cooling arrangement for a power supply module

A power supply module for facilitating an increased flow of cooling air comprises a chassis in which circuitry of the power supply module is housed, and a front panel associated with the chassis. The power supply module is configured with one or more airflow openings which facilitate a flow of cooling air into or out of a chassis interior and which are ensured of remaining unblocked, wherein one of the chassis and the front panel is formed with one or more inclined surfaces to define at least a part of a corresponding passageway through which air crossing a portion of the front panel is flowable. ... Tdk Corporation

05/17/18 / #20180138572

Non-reciprocal circuit device and communication apparatus using the same

Disclosed herein is a non-reciprocal circuit device that includes a mounting surface substantially parallel to a stacking direction, first and second side surfaces substantially vertical to the mounting surface and substantially parallel to the stacking direction, a first permanent magnet, a magnetic rotator stacked in the stacking direction with respect to the first permanent magnet, the magnetic rotator having a central conductor and at least first and second ports derived from the central conductor, a first external terminal provided on the first side surface and connected to the first port, and a second external terminal provided on the second side surface and connected to the second port.. . ... Tdk Corporation

05/17/18 / #20180138131

Composite magnetic sealing material and electronic circuit package using the same

Disclosed herein is a composite magnetic sealing material includes a resin material and a filler blended in the resin material in a blend ratio of 50 vol. % or more and 85 vol. ... Tdk Corporation

05/17/18 / #20180137969

Inductance element for magnetic sensor and current sensor including the same

Disclosed herein is an inductance element that includes a base body, a saturable magnetic thin-plate core provided on the base body, and a coil conductor wound around the saturable magnetic thin-plate core. The saturable magnetic thin-plate core includes a first section linearly extending in a first direction and a second section having a meander-shaped, and the coil conductor is wound around the first section of the saturable magnetic thin-plate core.. ... Tdk Corporation

05/17/18 / #20180137964

Electronic component

An electronic component includes a body and a pair of terminal electrodes. The body has a pair of end faces opposing each other in a first direction, a pair of main faces opposing each other in a second direction, and a pair of side faces opposing each other in a third direction. ... Tdk Corporation

05/17/18 / #20180136483

Optical member driving mechanism

An optical member driving mechanism is provided, including a movable module, a first driving module, and a position detecting module. The movable module includes an optical member holder and a housing. ... Tdk Corporation

05/17/18 / #20180136482

Lens driving mechanism

A lens driving mechanism is provided, including a bottom plate, a housing, a movable portion, and a biasing assembly. The housing is connected to and disposed on the bottom plate. ... Tdk Corporation

05/17/18 / #20180136438

Driving mechanism

A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. ... Tdk Corporation

05/17/18 / #20180136435

Lens driving mechanism

A lens driving mechanism is provided, including a bottom plate, a housing, a movable portion, and a biasing assembly. The housing is disposed on and connected to the bottom plate. ... Tdk Corporation

05/17/18 / #20180136433

Lens driving mechanism

A lens driving mechanism is provided, configured to drive an optical lens, including a bottom plate, a movable portion, an elastic member, and a biasing assembly. The movable portion is disposed on the bottom plate and has a base and a holder, wherein the holder is configured to hold the optical lens, and the holder is movably connected to the base. ... Tdk Corporation

05/17/18 / #20180136430

Optical element driving mechanism

An optical element driving mechanism is provided, including a first component, a second component, an optical element driving assembly, and a flexible plastic structure. The second component is disposed corresponding to the first component. ... Tdk Corporation

05/10/18 / #20180132355

Thin-film capacitor and electronic component embedded substrate

A thin-film capacitor includes a pair of electrode layers composed of a first electrode layer configured to store positive charges and a second electrode layer configured to store negative charges; and a dielectric layer sandwiched between the pair of electrode layers along a lamination direction. The first electrode layer includes a first main electrode layer in contact with the dielectric layer. ... Tdk Corporation

05/10/18 / #20180130729

Ic package

An ic package having a semiconductor body that includes a monolithically integrated circuit and at least two metallic contact surfaces. The integrated circuit being connected to the two electrical contact surfaces via printed conductors, and being disposed on a carrier substrate and connected to the carrier substrate in a force-fitting manner. ... Tdk Corporation

05/10/18 / #20180130597

Coil device

Provided is coil device 1 including: core 10 including winding core part 12 and flange parts 14a, 14a provided on both edges of winding core part 12, and coil part 30 including wires 31, 32 wound on winding core part 12. Electrode film 40, having wire connecting part 41 where wire edges 31a, 31b, 32a, 32b are connected, and formed on a surface of the flange parts 14a, 14a. ... Tdk Corporation

05/10/18 / #20180129064

Lens drive device

A lens drive device includes a movable portion, a fixed portion, and four suspension wires. The movable portion has a lens holder holding a lens and a magnet arranged at a position that does not overlap with the lens when viewed from a light axis direction. ... Tdk Corporation

05/03/18 / #20180123215

Directional coupler

The element body includes a main line; a first sub line and a second sub line; a pair of ground layers that are disposed to face each other at positions at which the main line, the first sub line, and the second sub line are interposed in a stacking direction of the plurality of insulator layers; a phase control circuit that is connected between the first sub line and the second sub line and is disposed at a position at which one ground layer is interposed between the first sub line and the second sub line in the stacking direction; and a connection line that connects the first sub line and the second sub line to the phase control circuit. The connection line is surrounded by at least one of one ground layer and a conductor having the same potential as the ground layer when viewed in the stacking direction.. ... Tdk Corporation

05/03/18 / #20180123214

Directional coupler

The auxiliary ground layer is a part in which the main line and the sub line do not overlap in the lamination direction and is disposed to face a part in which a distance from the first ground layer and a distance from the second ground layer are different in the lamination direction. When a longer distance is set as a first distance a and a shorter distance is set as a second distance b between a distance between the non-overlapping part and the first ground layer and a distance between the non-overlapping part and the second ground layer, and a third distance between the non-overlapping part and the auxiliary ground layer is set as c, the relationship of a>c≥b is satisfied.. ... Tdk Corporation

05/03/18 / #20180123202

Balun

A balun includes an unbalanced port, a first balanced port, a second balanced port, a main line, a subline, a capacitor, and an impedance matching section. The subline is configured to be electromagnetically coupled to the main line. ... Tdk Corporation

05/03/18 / #20180123028

Spin-orbit torque magnetization rotational element

A spin-orbit torque magnetization rotational element includes: a ferromagnetic metal layer, a magnetization direction of which is configured to be changed; a spin-orbit torque wiring bonded to the ferromagnetic metal layer; and an interfacial distortion supply layer bonded to a surface of the spin-orbit torque wiring on a side opposite to the ferromagnetic metal layer.. . ... Tdk Corporation

05/03/18 / #20180123026

Electric-current-generated magnetic field assist type spin-current-induced magnetization reversal element, magnetoresistance effect element, magnetic memory and high-frequency filter

The present invention has the purpose of providing an electric-current-generated magnetic field assist type spin-current-induced magnetization reversal element that utilizes magnetization reversal based on pure spin current. The electric-current-generated magnetic field assist type spin-current-induced magnetization reversal element of the present invention includes a first ferromagnetic metal layer with a varying magnetization direction; spin-orbit torque wiring that adjoins the first ferromagnetic metal layer and that extends in a second direction in a plane orthogonal to a first direction normal to the first ferromagnetic metal layer; and electric-current-generated magnetic field assist wiring that is arranged so as to be electrically insulated from the first ferromagnetic metal layer by an insulating layer and in which flows an electric current i0 for forming a magnetic field h0 that assists magnetization reversal of the first ferromagnetic metal layer.. ... Tdk Corporation

05/03/18 / #20180123024

Spin-orbit torque type magnetoresistance effect element, and method for producing spin-orbit torque type magnetoresistance effect element

A spin-orbit torque type magnetoresistance effect element including a magnetoresistance effect element having a first ferromagnetic metal layer with a fixed magnetization direction, a second ferromagnetic metal layer with a varying magnetization direction, and a non-magnetic layer sandwiched between the first ferromagnetic metal layer and the second ferromagnetic metal layer; and spin-orbit torque wiring that extends in a first direction intersecting with a stacking direction of the magnetoresistance effect element and that is joined to the second ferromagnetic metal layer; wherein the magnetization of the second ferromagnetic metal layer is oriented in the stacking direction of the magnetoresistance effect element; and the second ferromagnetic metal layer has shape anisotropy, such that a length along the first direction is greater than a length along a second direction orthogonal to the first direction and to the stacking direction.. . ... Tdk Corporation

05/03/18 / #20180123022

Magnetic memory

A magnetic memory including a plurality of magnetoresistance effect elements that hold information, each including a first ferromagnetic metal layer with a fixed magnetization direction, a second ferromagnetic metal layer with a varying magnetization direction, and a non-magnetic layer sandwiched between the first and second ferromagnetic metal layers; a plurality of first control elements that control reading of the information, wherein each of the plurality of first ferromagnetic metal layers is connected to a first control element; a plurality of spin-orbit torque wiring lines that extend in a second direction intersecting with a first direction which is a stacking direction of the magnetoresistance effect elements, wherein each of the second ferromagnetic metal layers is joined to one spin-orbit torque wiring line; a plurality of second control elements that control electric current flowing through the spin-orbit torque wiring lines.. . ... Tdk Corporation

05/03/18 / #20180123021

Spin-orbit torque type magnetization reversal element, magnetic memory, and high frequency magnetic device

A spin-orbit torque type magnetization reversal element including a ferromagnetic metal layer with a varying magnetization direction; and spin-orbit torque wiring that extends in a first direction intersecting with a stacking direction of the ferromagnetic metal layer and that is joined to the ferromagnetic metal layer; wherein when viewed from the first direction, the spin-orbit torque wiring is asymmetrical in a second direction that is orthogonal to the first direction and the stacking direction, with respect to an axis that passes through a center, in the second direction, of the ferromagnetic metal layer.. . ... Tdk Corporation

05/03/18 / #20180122543

Soft magnetic alloy and magnetic device

A soft magnetic alloy including a composition having a formula of ((fe(1−(α+β))x1αx2β)(1−(a+b+d+e))mabbcrdcue)1−fcf. X1 is one or more elements selected from a group of co and ni. ... Tdk Corporation

05/03/18 / #20180122542

Soft magnetic alloy and magnetic device

A soft magnetic alloy including a composition having a formula of ((fe(1-(α+β))x1αx2β)(1-(a+b+c+d+e))mabbpccrdcue)1-fcf. X1 is one or more elements selected from a group of co and ni. ... Tdk Corporation

05/03/18 / #20180122540

Soft magnetic alloy and magnetic device

A soft magnetic alloy including a composition having a formula of ((fe(1-(α+β))x1αx2β)(1-(a+b+c+d+e))mabbpccrdcue)1-fcf. X1 is one or more elements selected from a group of co and ni. ... Tdk Corporation

05/03/18 / #20180120587

Lens driving apparatus with closed-loop anti-shake structure

The present invention discloses a lens driving apparatus with a closed-loop anti-shake structure, comprising: a lens holder comprising a coil; a frame comprising a plurality of magnets and receiving the lens holder; a driving circuit board disposed under the frame; a plurality of first set of elastic bodies configured such that the lens holder remains movable in a direction of a first axis with respect to the frame; a plurality of second set of elastic bodies configured such that the frame remains movable in a direction perpendicular to the first axis with respect to the driving circuit board; and a first optical module and a first optical reference respectively disposed at the driving circuit board and the lens holder, the first optical module sensing a relative movement of the first optical reference so as to sense a movement of the lens holder in the direction of the first axis.. . ... Tdk Corporation

05/03/18 / #20180120584

Driving mechanism and camera module

A driving mechanism is provided, including a fixed portion, a movable portion, and a driving module disposed therebetween. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly. ... Tdk Corporation

04/19/18 / #20180108834

Magnetoresistance effect element

. . A magnetoresistance effect element has a first ferromagnetic metal layer, a second ferromagnetic metal layer, and a tunnel barrier layer that is sandwiched between the first and second ferromagnetic metal layers, the tunnel barrier layer has a spinel structure in which cations are arranged in a disordered manner, and the tunnel barrier layer is expressed by a composition formula of (m1-xznx)((t1)2-y(t2)y)o4 wherein m represents a non-magnetic divalent cation other than zn, each of t1 and t2 represents a non-magnetic trivalent cation, and x and y represent a composition ratio in a region where composition ratios combined as follows ((1) to (5)) are vertexes, and the vertexes are connected by straight lines: (1) x=0.2, y=0.1, (2) x=0.8, y=0.1, (3) x=0.8, y=1.7, (4) x=0.6, y=1.7, and (5) x=0.2, y=0.7.. . ... Tdk Corporation

04/19/18 / #20180108463

Rare earth magnet

A rare earth magnet includes main phase grains having an r2t14b type crystal structure. The main phase grains include c. ... Tdk Corporation

04/19/18 / #20180106980

Lens driving module

An optical member driving module is provided, including a moving mechanism, a base, a suspension wire, and an electromagnetic driving mechanism for driving the moving mechanism to move relative to the base. The moving mechanism includes an optical member holder, and the base has a first surface, a second surface, and an opening. ... Tdk Corporation

04/19/18 / #20180106874

Inductance element for magnetic sensor and current sensor including the same

Disclosed herein is an inductance element for a magnetic sensor. The inductance element includes a first core comprising a first soft magnetic material and having first and second connecting surfaces, a second core comprising a second soft magnetic material different from the first soft magnetic material and having third and fourth connecting surfaces facing the first and second connecting surfaces, respectively, and a coil wound around the first core between the first and second connecting surfaces, wherein the first core is larger in magnetic field strength at which magnetic saturation occurs than the second core, and wherein the second core is higher in permeability than the first core and has at least partially a meander shape.. ... Tdk Corporation

04/19/18 / #20180105674

Resin composition, resin sheet, resin cured product, and resin substrate

A resin composition includes an epoxy compound, a first triphenylbenzene compound, and a second triphenylbenzene compound. A ratio m (mol %) expressed by m (mol %)=(m1/m2)×100 is from 0.2 mol % to 16.3 mol %, where m1 is the number of moles (mol) of an alkoxy group contained in the second triphenylbenzene compound, and m2 is sum of the number of moles (mol) of a hydroxyl group contained in the first triphenylbenzene compound, the number of moles (mol) of the hydroxyl group contained in the second triphenylbenzene compound, and the number of moles (mol) of the alkoxy group contained in the second triphenylbenzene compound.. ... Tdk Corporation

04/12/18 / #20180102674

Wireless power transmission device

Disclosed herein is a wireless power transmission device includes a power transmitting transformer coupled between a power transmitting circuit and a power receiving circuit, and a signal transmitting transformer coupled between a signal generating circuit provided at the power receiving circuit side and a control circuit provided at the power transmitting circuit side. The frequency of an ac signal transmitted by the signal transmitting transformer is equal to or more than ten times the frequency of an ac voltage transmitted by the power transmitting transformer. ... Tdk Corporation

04/12/18 / #20180102475

Variable-frequency magnetoresistive effect element and oscillator, detector, and filter using the same

A variable-frequency magnetoresistive effect element includes a magnetoresistive effect element, a magnetic-field applying mechanism that applies a magnetic field to the magnetoresistive effect element, an electric-field applying mechanism that applies an electric field to the magnetoresistive effect element, and a control terminal connected to the electric-field applying mechanism and used for applying a voltage that varies in at least one of magnitude and polarity to the electric-field applying mechanism. The magnetoresistive effect element contains an antiferromagnetic material or ferrimagnetic material having a magnetoelectric effect. ... Tdk Corporation

04/12/18 / #20180102220

Thin-film capacitor

A thin-film capacitor includes a capacitor section in which electrode layers and dielectric layers are alternately stacked and which includes a hole portion that extends to the electrode layer. In a cross-section which is perpendicular to a stacking surface of the capacitor section and which passes through the hole portion, a side surface of the hole portion extends along a reference line extending in a direction intersecting the stacking surface, the dielectric layer extends up to the reference line toward the hole portion, and a gap is formed between the side surface of the pair electrode layer and the reference line.. ... Tdk Corporation

04/12/18 / #20180102219

Thin-film capacitor

A thin-film capacitor including a stacked body having a lower electrode layer, a plurality of dielectric layers stacked on the lower electrode layer, one or more internal electrode layers interposed between the dielectric layers, and an upper electrode layer that is stacked on the opposite side of the lower electrode layer with the dielectric layers and the internal electrode layers interposed between, and a cover layer that covers the stacked body. The stacked body includes opening portions that have the lower electrode layer, opens upward in a stacking direction, and has a side surface formed to include an inclined surface. ... Tdk Corporation

04/12/18 / #20180102218

Thin-film capacitor

A thin-film capacitor includes electrode layers stacked in a stacking direction; dielectric layers stacked between the electrode layers; an opening portion that includes a side surface penetrating at least a part of the electrode layers and at least a part of the dielectric layers in the stacking direction from a top side and a bottom surface exposing one of the electrode layers; and a wiring portion disposed in the opening portion to be separated from the side surface of the opening portion, and electrically connected to the electrode layer exposed from the bottom surface of the opening portion. The dielectric layer that is stacked immediately on the electrode layer exposed from the bottom surface of the opening portion among the dielectric layers includes an extension portion extending in the opening portion from the side surface of the opening portion to the wiring portion side.. ... Tdk Corporation

04/12/18 / #20180102213

Rotary type magnetic coupling device

Disclosed herein is a rotary type magnetic coupling device including first and second coils magnetically coupled to each other used for a rotator. Each of the first and second coils is a loop-shaped having an opening surrounding a rotary axis of the rotator. ... Tdk Corporation

04/12/18 / #20180102211

Rotary type magnetic coupling device

Disclosed herein is a rotary type magnetic coupling device used for a rotator. The rotary type magnetic coupling device includes first and second coils magnetically coupled to each other, and third and fourth coils magnetically coupled to each other. ... Tdk Corporation

04/12/18 / #20180100987

Optical driving mechanism

The disclosure provides an optical driving mechanism, including a frame body, a holding member, a plate coil and a magnet. The holding member is movably disposed in the frame body and configured to hold an optical element. ... Tdk Corporation

04/12/18 / #20180100984

Optical system

An optical system includes a base, a first lens driving module, and a second lens driving module. The first lens driving module includes a first lens holder, a first magnet, and a first coil. ... Tdk Corporation

04/12/18 / #20180100983

Multiple lenses driving mechanism

A multiple lenses driving mechanism is provided, including a frame, a first lens holder, a second lens holder, a first lens driving assembly, a second lens driving assembly and a stopper. The first and second lens holders are disposed in the frame, arranged along a longitudinal axis for respectively holding a first lens and a second lens. ... Tdk Corporation

04/05/18 / #20180096789

Method of manufacturing laminated coil component

A method of manufacturing a laminated coil component is a method of manufacturing a laminated coil component provided with a laminate obtained by laminating a coil conductor forming a spiral coil and an insulator layer. The method of manufacturing a laminated coil component includes a step of providing a conductor pattern configured to become a coil conductor on a green sheet configured to become an insulator layer, and a step of laminating a plurality of green sheets provided with the conductor pattern. ... Tdk Corporation

04/05/18 / #20180096781

Coil device

A coil device, in which an air-core coil of a cylindrical shape is buried in a core including a magnetic powder and a resin, showing, cv value of the below described cross sectional areas, sa1 to sa5, 0.55 or less, when an outer diameter of the air-core coil is “a1”, an inner diameter of the same is “a2”, and a distance between a surface of the core perpendicular to a direction of winding axis and an end of the air-core coil in the direction of winding axis is “h”, is provided. The coil device is superior in dc superimposing characteristic while suppressing the magnetic saturation.. ... Tdk Corporation

04/05/18 / #20180096768

Ferrite composition and electronic device

A ferrite composition includes a main component and an accessory component. The main component includes 18 to 30 mol % of iron oxide in terms of fe2o3, 4 to 14 mol % of copper oxide in terms of cuo, 0 to 6 mol % of zinc oxide in terms of zno, and a remaining part of nickel oxide. ... Tdk Corporation

04/05/18 / #20180096766

Soft magnetic alloy

A soft magnetic alloy includes a main component of fe. The soft magnetic alloy includes a fe composition network phase where regions whose fe content is larger than an average composition of the soft magnetic alloy are linked. ... Tdk Corporation

04/05/18 / #20180096765

Soft magnetic alloy

A soft magnetic alloy includes a main component of fe. The soft magnetic alloy includes a fe composition network phase where regions whose fe content is larger than an average composition of the soft magnetic alloy are linked. ... Tdk Corporation

04/05/18 / #20180095238

Camera module

A camera device is provided, including a first lens unit, a second lens unit, a frame, a base, a plurality of suspension wires, and an electromagnetic driving mechanism. The frame surrounds the first lens unit and the second lens unit. ... Tdk Corporation

04/05/18 / #20180095146

Angle sensor and angle sensor system

An angle sensor includes first and second detection units and an angle detection unit. Each of the first and second detection units generates two detection signals. ... Tdk Corporation

04/05/18 / #20180094950

Magnetoresistive element and method of manufacturing such, and position detection device

A magnetoresistive element is provided with a plurality of magnetoresistive laminated bodies arranged in an array and a plurality of lead electrodes that electrically connect the plurality of magnetoresistive laminated bodies in series. A first lead electrode electrically connected to a first surface in the lamination direction of a first magnetoresistive laminated body among the plurality of magnetoresistive laminated bodies and a second lead electrode electrically connected to a first surface in the lamination direction of a second magnetoresistive laminated body adjacent in the series direction are electrically connected without a magnetoresistive laminated body being interposed in between.. ... Tdk Corporation

03/29/18 / #20180091795

Camera module

A camera module is provided. The camera module includes a number of camera assembles. ... Tdk Corporation

03/29/18 / #20180091794

Camera module

A camera module is provided. The camera module includes a number of camera assembles. ... Tdk Corporation

03/29/18 / #20180090995

Wireless power receiving device and wireless power transmission device

A wireless power receiving device, for wirelessly receiving electric power from a wireless power feeding device, includes: a power receiving side resonant circuit having a power receiving coil wirelessly receiving power from a power feeding side and a power receiving side resonant capacitor; a rectifier circuit in which the power received by the power receiving coil is rectified to be output to a load; a power receiving side voltage detecting portion for detecting the output voltage of the rectifier circuit; a short circuit having a switching element connected between an output portion of the power receiving side resonant circuit and an output portion of the rectifier circuit, and a rectifying element inserted between the output portion of the power receiving side resonant circuit and the switching element; and a controlling circuit which operates the switching element when a value of the output voltage exceeds a preset reference voltage value.. . ... Tdk Corporation

03/29/18 / #20180090677

Magnetoresistance effect element

A magnetoresistance effect element is capable of realizing a high magnetoresistance (mr) ratio. The magnetoresistance effect element includes a laminate in which: an underlayer; a first ferromagnetic metal layer; a tunnel barrier layer; and a second ferromagnetic metal layer are laminated in that order. ... Tdk Corporation

03/29/18 / #20180090676

Magnetoresistance effect element

A magnetoresistance effect element configured to produce magnetoresistance (mr) ratio higher than that of tunnel magneto resistance (tmr) element using tunnel barrier in the related art under a high bias voltage is provided. A magnetoresistance effect element which includes a laminate in which: an underlayer; a first ferromagnetic metal layer; tunnel barrier layer; and second ferromagnetic metal layer are laminated in this order, wherein the underlayer is made of vn, tan, or mixed crystals thereof, and the tunnel barrier layer is made of compound which has a spinel structure in which the arrangement of cations is disordered and is represented by the following composition formula (1) is provided: (1) axb2oy, where a represents divalent cations of two or more types of non-magnetic element, b represents an aluminum ion, x represents number which satisfies 0<x ≦2, and y represents a number which satisfies 0<y ≦4.. ... Tdk Corporation

03/29/18 / #20180090673

Magnetoresistance effect element

Provided is a magnetoresistance effect element that that generates a high mr ratio at a lower ra than a tmr element using a material of a conventional tunnel barrier layer or mgal2o4. The magnetoresistance effect element includes a laminate in which an underlayer, a first ferromagnetic metal layer, a tunnel harrier layer, and a second ferromagnetic metal layer are laminated in that order, wherein the underlayer is made of tin, nbn, tan, zrn or mixed crystals thereof, and the tunnel barrier layer is made of a compound that has a spinel structure and expressed by composition formula (1) below: (1) axin2oy, where a is the non-magnetic divalent cation and represents cations of one or more elements selected from the group consisting of magnesium and zinc, x represents a number satisfying 0<x≦2, and y represents a number satisfying 0<y≦4.. ... Tdk Corporation

03/29/18 / #20180090672

Magnetoresistance effect device

Provided is a magnetoresistance effect device on which a magnetoresistance effect element having an excellent withstand voltage characteristic is mounted. The magnetoresistance effect device includes: an interlayer insulating layer; a through electrode that passes through the interlayer insulating layer and is exposed on at least one surface of the interlayer insulating layer; and a magnetoresistance effect element that is laminated on the through electrode. ... Tdk Corporation

03/29/18 / #20180090670

Magnetoresistance effect element

A magnetoresistance effect element has favorable symmetry of an mr ratio even if the sign of a bias voltage is different, which is capable of reversing magnetization to a current, which has a high mr ratio. A magnetoresistance effect element includes a laminate in which an underlayer, a first ferromagnetic metal layer, a tunnel barrier layer, and a second ferromagnetic metal layer are laminated in that order, wherein the underlayer is made of one or more selected from a group containing of tin, vn, nbn, and tan, or mixed crystals thereof, and wherein the tunnel barrier layer is made of a compound having a spinel structure and represented by the following composition formula (1). ... Tdk Corporation

03/29/18 / #20180090667

Piezoelectric element

A piezoelectric element includes first and second electrodes, a first piezoelectric body layer, and a plurality of first through-hole conductors. The first and second electrodes oppose each other. ... Tdk Corporation

03/29/18 / #20180090665

Piezoelectric element

A piezoelectric element includes a piezoelectric body layer, a first electrode, a second electrode, a third electrode, and a first through-hole conductor. The piezoelectric body layer has rectangular first and second principal surfaces opposing each other, and includes a piezoelectric material. ... Tdk Corporation

03/29/18 / #20180090259

Coil device

A coil device including: a core, including a magnetic powder and a resin; an air-core coil; a lead, led from the air-core coil; and a terminal, in which at least the entire air-core coil is buried inside the core, an outer shape of the core is a shape where at least one corner part is removed from an approximate rectangular parallelepiped shape, the removed corner includes an entire side of the approximate rectangular parallelepiped shape in the removed corner, approximately parallel to a direction of a winding axis of the air-coil, and a volume of the removed part is 2% or more of a volume of the approximate rectangular parallelepiped shape, is provided. The coil device can reduce a used amount of the magnetic body while maintaining the magnetic characteristic.. ... Tdk Corporation

03/29/18 / #20180087927

Angle sensor and angle sensor system

An angle sensor includes a plurality of composite magnetic field information generation units and an angle computing unit. The plurality of composite magnetic field information generation units detect, at a plurality of detection positions, a composite magnetic field of a magnetic field to be detected and a noise magnetic field other than the magnetic field to be detected, and thereby generate a plurality of pieces of composite magnetic field information including information on the direction of the composite magnetic field. ... Tdk Corporation

03/22/18 / #20180083499

Sintered magnet

A sintered magnet has an arc shape cross-section defined by an outer arc, an inner arc, and a pair of end sides connecting an end point of the outer arc and an end point of the inner arc, and a range of an central angle α of the inner arc is 145°≦α≦180°. The inventors have newly found that a large magnetic flux can be obtained according to the sintered magnet and the characteristics of the motor can be improved, using such a sintered magnet.. ... Tdk Corporation

03/22/18 / #20180083186

Magnetoresistance effect element

A magnetoresistance effect element has a first ferromagnetic metal layer, a second ferromagnetic metal layer, and a tunnel barrier layer that is sandwiched between the first and second ferromagnetic metal layers, and the tunnel barrier layer has a spinel structure in which cations are disordered, and contains a divalent cation of a non-magnetic element, a trivalent cation of a non-magnetic element, oxygen, and one of nitrogen and fluorine.. . ... Tdk Corporation

03/22/18 / #20180082793

Electronic component

An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the second direction is shorter than that of the element body in the first direction, and the length of the element body in the third direction is shorter than that of the element body in the second direction. ... Tdk Corporation

03/22/18 / #20180082792

Electronic component

An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the third direction is shorter than that of the element body in the first direction and is shorter than that of the element body in the second direction. ... Tdk Corporation

03/22/18 / #20180082772

Rare earth magnet

A rare earth magnet includes main phase grains having an r2t14b type crystal structure. The main phase grains include ga. ... Tdk Corporation

03/15/18 / #20180076713

Switch drive circuit and switching power supply device using same

A switch drive circuit drives a full-bridge output stage connected to a transformer to alternately switch between a first cycle in which a current in a first direction is supplied to the transformer and a second cycle in which a current in a second direction is supplied to the transformer. The switch drive circuit includes a mode in which a dead time of the output stage is set in accordance with a magnitude of a current flown in one of the first and second cycles, the dead time becoming an operation changing factor in the other cycle. ... Tdk Corporation

03/15/18 / #20180076380

Piezoelectric drive device

A piezoelectric drive device including: laminated piezoelectric element including a first end face and a second end face opposed to the first end face; a weight member attached to the first end face; and a shaft attached to the second end face, in which a moving member, engaged to the shaft movable in an axial direction, is moved by activating the laminated piezoelectric element. Inside the laminated piezoelectric element, a first internal electrode and a second internal electrode, respectively having a plane surface approximately perpendicular to the first end face and the second end face, are laminated in y axial direction, approximately perpendicular to the first internal electrode and the second internal electrode with a piezoelectric layer in-between. ... Tdk Corporation








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