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Ngk Insulators Ltd patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Ngk Insulators Ltd-related inventors


 new patent  Silica membrane and separation membrane filter

A silica membrane filter 10 includes a porous substrate 13 and a silica membrane 18 formed on the porous substrate 13, the silica membrane 18 having an aryl group. The silica membrane 18 has an atomic ratio Si/C, as determined, by elemental analysis using energy-dispersive X-ray spectrometry (EDX), in the... Ngk Insulators Ltd

 new patent  Integrated wiring board assembly

A connection FPC 75 and a sheet heater 30 are joined together with a solder joint member interposed therebetween. The connection FPC 75 includes a ground contact point 90b and a connection electrode 90d extending along a row of contact points and to which the ground contact point 90b is... Ngk Insulators Ltd

Method for diagnosing degradation in catalyst

Provided is a method for diagnosing whether an oxidation catalyst has degraded, based on an output value from one diagnostic sensor with higher accuracy. When a ratio of nitrogen monoxide that is oxidized by a catalyst and discharged downstream of the catalyst as nitrogen dioxide, with respect to nitrogen monoxide... Ngk Insulators Ltd

Gas sensor

A mixed-potential type gas sensor capable of preferably determining the concentration of THC including a kind of gas having a large C number is provided. A sensor element composed of an oxygen-ion conductive solid electrolyte is provided with, on its surface, a sensing electrode formed of a cermet of Pt,... Ngk Insulators Ltd

Silica membrane filter

A silica membrane filter 10 includes an ultrafiltration membrane 15, which is disposed on a support body 14 and which contains an element 14 as a primary component, and a silica membrane 18 which is disposed on the ultrafiltration membrane 15 and which has an aryl group. The ultrafiltration membrane... Ngk Insulators Ltd

Ddr-type zeolite seed crystal and manufacturing ddr-type zeolite membrane

A DDR-type zeolite seed crystal has an average particle diameter of less than or equal to 0.2 μm, and an average aspect ratio of less than or equal to 1.3.... Ngk Insulators Ltd

Plasma generation method and sterile water production method

A pulsed voltage is repeatedly applied between a first electrode and a second electrode to which a gas is supplied, a plasma is generated between the first electrode and the second electrode, and an active species is produced in the plasma. The energy necessary for plasma generation is set to... Ngk Insulators Ltd

Water treatment device, water treatment method, sterile water production device, and sterile water production method

A first electrode and a second electrode, and a ceramic structural body into which a gas is introduced, and which is configured to introduce into water an active species produced by a plasma which is generated between the first electrode and the second electrode are provided. The ceramic structural body... Ngk Insulators Ltd

Flexible board and production metal wiring bonding structure

A connection FPC 75 includes a plurality of metal wires 750 between a support layer 751 and a covering layer 752, and an exposed region including contacts 753 serving as end portions of the metal wires 750 is exposed from the covering layer 752. A bending-position guide 760 is provided... Ngk Insulators Ltd

Zeolite membrane structure and producing same

A zeolite membrane structure includes a porous support, and a zeolite membrane. The zeolite membrane has a first zeolite layer located in a surface of the porous support, and a second zeolite layer located outside of the surface of the porous support and integrally formed with the first zeolite layer.... Ngk Insulators Ltd

Methods of producing seed crystal substrates and group 13 element nitride crystals, and seed crystal substrates

A seed crystal layer is provided on a supporting body. A laser light is irradiated from a side of the supporting body to provide an altered portion along an interface between the supporting body and seed crystal layer. The altered layer is composed of a nitride of a group 13... Ngk Insulators Ltd

Battery and assembly method therefor

The present invention provides a sequential and efficient method of assembling a battery with a desired number of layers while reliably separating positive and negative electrode sides from each other with one or more separator structures. According to the invention, the method of assembling a battery includes stacking one or... Ngk Insulators Ltd

All solid state lithium battery

Provided is an all-solid-state lithium battery including an oriented positive electrode plate composed of an oriented polycrystalline body made of lithium transition metal oxide grains, a solid electrolyte layer, a negative electrode layer, and an end insulator insulating and coating ends of the oriented positive electrode plate. The surface of... Ngk Insulators Ltd

Zeolite film structure

A zeolite film structure comprising a support, a zeolite film and a protective film. The zeolite film is formed on a surface of the support. The protective film is formed on a surface of the zeolite film. The protective film is configured from organic-nonorganic hybrid silica or carbon. An average... Ngk Insulators Ltd

Air electrode, water electrolysis anode, metal air cell, and water electrolysis device

Provided is an air electrode or water electrolysis anode showing a higher catalytic activity than carbon black and not having a risk of oxidative degradation, in particular, an air electrode or water electrolysis anode for a metal-air battery or a water electrolysis apparatus. The air electrode or water electrolysis anode... Ngk Insulators Ltd

Structure for strain detection

A structure for strain detection is provided with a ceramic main body which is attached to a detection target, in which strain is to be detected, and a stress concentrated section which is formed in the main body and which is fractured at a predetermined strain or greater. Assuming the... Ngk Insulators Ltd

Gas sensor

A gas sensor 100 includes a sensor element 110 having a gas inlet 111; an inner protective cover 130 which has a sensor element chamber 124 thereinside and in which at least one element-chamber inlet 127 and at least one element-chamber outlet 138a are arranged; and an outer protective cover... Ngk Insulators Ltd

Gas sensor

A gas sensor 100 includes a sensor element 110 having a gas inlet 111; an inner protective cover 130 which has a sensor element chamber 124 thereinside and in which at least one element-chamber inlet 127 and at least one element-chamber outlet are arranged; and an outer protective cover 140... Ngk Insulators Ltd

Gas sensor

A gas sensor 100 includes a sensor element 110 having a gas inlet 111; an inner protective cover 130 which has a sensor element chamber 124 thereinside and in which an element-chamber inlet 127 and an element-chamber outlet 138a are arranged; and an outer protective cover 140 including a body... Ngk Insulators Ltd

Gas sensor

An inner protective cover 130 of a gas sensor forms an element-chamber inlet 127 having a first outside opening 128a, a second outside opening 128b, and an element-side opening 129. The second outside opening 128b is disposed such that the path of a measurement-object gas from the first outside opening... Ngk Insulators Ltd

Grating element

A grating device includes a supporting body having a first main face and a second main face, an under clad layer provided on the first main face of the supporting body, an optical material layer provided on the under clad layer, and a back face layer provided on the second... Ngk Insulators Ltd

Method of inspecting surface of ceramic body

An inspection method for a surface of a ceramic body capable of determining any crack more reliably than conventionally done is provided. The method includes a step of performing image capturing of an illuminated region of an inspection surface being illuminated with at least one of first and second illumination... Ngk Insulators Ltd

Honeycomb filter

in Expression (2), Dx denotes the average diameter (mm) of the outflow end face, and Dy denotes the average diameter (mm) of the inflow end face.... Ngk Insulators Ltd

Honeycomb structure

A honeycomb structure has partition walls defining a plurality of hexagonal cells the partition walls are constituted by combining standard partition walls having a partition wall thickness in a range smaller than ±10% to an average partition wall thickness of the partition walls, wide partition walls having a partition wall... Ngk Insulators Ltd

Honeycomb structure

in Expression (2), Dx denotes the average diameter (mm) of the inflow end face, and Dy denotes the average diameter (mm) of the outflow end face.... Ngk Insulators Ltd

Porous ceramic structure and manufacturing the same

A porous ceramic structure includes one sheet, and a porous ceramic aggregate bonded on the sheet. The porous ceramic aggregate includes a plurality of porous ceramic particles.... Ngk Insulators Ltd

Porous ceramic structure

A porous ceramic structure includes one sheet, and a plurality of porous ceramic particles bonded on the sheet. A gap d formed between adjacent ones of the porous ceramic particles is 10˜80 μm.... Ngk Insulators Ltd

Manufacturing optical element

It is provided an assembly including an optical material layer composed of a metal oxide, an underlying layer provided over the optical material layer and composed of a metal or a metal silicide, and a resin layer provided over the underlying layer. A mold including a design pattern corresponding with... Ngk Insulators Ltd

Disc-shaped heater and heater-cooling-plate assembly

An electrostatic chuck heater 10 includes a disc-shaped ceramic base 30 and a plurality of heating elements 20 embedded in the ceramic base 30. A top surface 12 of the electrostatic chuck heater 10, which serves as a wafer Mounting surface, is divided into multiple zones. The heating elements 20,... Ngk Insulators Ltd

Honeycomb structure

A honeycomb structure includes a pillar-shaped honeycomb structure body including porous partition walls defining and forming a plurality of cells which extend from an inflow end face to an outflow end face, and a porous outer wall surrounding the partition walls, a porous supporting bulge disposed to extend out from... Ngk Insulators Ltd

Honeycomb structure

A honeycomb structure includes a pillar-shaped honeycomb structure body including porous partition walls defining and forming a plurality of cells which extend from an inflow end face to an outflow end face, and a porous outer wall surrounding the partition walls, a porous supporting bulge disposed to extend out from... Ngk Insulators Ltd

Free-standing substrate, function element and producing same

A self-supporting substrate includes a first nitride layer grown by hydride vapor deposition method or ammonothermal method and comprising a nitride of one or more element selected from the group consisting of gallium, aluminum and indium; and a second nitride layer grown by a sodium flux method on the first... Ngk Insulators Ltd

Fine fluorescent particles, process for producing fine fluorescent particles, thin fluorescent film, wavelength conversion film, wavelength conversion device, and solar cell

A luminescent substance particle including BaSnO3 having a perovskite-type structure, wherein the luminescent substance particle contains one of 0.07% by mass or less of Fe (iron), 0.005% by mass or less of Cr (chromium) and 0.02% by mass or less of Ni (nickel). A wavelength conversion film including the luminescent... Ngk Insulators Ltd

Honeycomb type heating device and using the same

A honeycomb type heating device includes a pillar-shaped honeycomb substrate having a partition wall defining and forming a plurality of cells and a circumferential wall surrounding the partition wall; a plurality of heaters adjacent to each other arranged on a circumferential surface of a circumferential wall in the circumferential direction... Ngk Insulators Ltd

Bonded substrate and manufacturing bonded substrate

Provided is a bonded substrate mainly for mounting a power semiconductor in which the reliability to a thermal cycle has been enhanced as compared with a conventional one. In a bonded substrate in which a copper plate is bonded to one or both main surface(s) of a nitride ceramic substrate,... Ngk Insulators Ltd

11/02/17 / #20170314436

Plugged honeycomb structure and forming plugged honeycomb structure

A plugged honeycomb structure includes: a honeycomb substrate and a plugging portion, and is configured to trap particulate matter included in fluid flowing from an inflow side end face to an outflow side end face. The partition wall includes, as raw materials, particulates of a base material and a binder... Ngk Insulators Ltd

11/02/17 / #20170314441

Electrically heated catalytic converter and manufacturing the same

Provided is an electrically heated catalytic converter including at least a conductive substrate and an electrode member that is fixed to the substrate, in which a protective film is formed on a surface of at least a portion of the electrode member. In the electrically heated catalytic converter, at least... Ngk Insulators Ltd

11/02/17 / #20170315180

Device for calculating charge/discharge condition adoptable in secondary battery of high-temperature operation type

A charge/discharge condition adoptable in a secondary battery of high-temperature operation type is calculated by a small amount of calculations. A resource matrix includes a plurality of state indicators and a plurality of charge/discharge conditions. The resource matrix is referred to and two or more state indicators related to an... Ngk Insulators Ltd

11/02/17 / #20170317334

Cathode plate for all-solid battery, and all-solid battery

A cathode plate of an all-solid battery configures a cathode of an all-solid battery including a solid electrolyte layer composed of an oxide-based ceramic material. A surface roughness on a solid electrolyte layer-side surface of the cathode plate on which the solid electrolyte layer is formed falls within a range... Ngk Insulators Ltd

10/26/17 / #20170304808

Transition metal oxide-containing cerium dioxide particles

The oxide-containing particles (transition metal oxide-containing cerium dioxide particle) exert a catalyst performance, and include at least an iron oxide containing an iron component and a manganese oxide containing a manganese component on a surface of each of cerium dioxide particles, wherein the iron oxide and manganese oxide have smaller... Ngk Insulators Ltd

10/26/17 / #20170306393
10/19/17 / #20170296980

Separation membrane structure

A separation membrane structure comprises a porous support, a first separation membrane formed on the porous support, and a second separation membrane formed on the first separation membrane. The first separation membrane has an average pore diameter of greater than or equal to 0.32 nm and less than or equal... Ngk Insulators Ltd

10/19/17 / #20170296983

Separation membrane structure

A separation membrane structure comprises a porous suppor, and a separation membrane formed on the porous support. The separation membrane has an average pore diameter of greater than or equal to 0.32 nm and less than or equal to 0.44 nm. The separation membrane includes addition of at least one... Ngk Insulators Ltd

10/19/17 / #20170299822

Optical device, and optical-device production method

An optical device includes a semiconductor laser light source, a grating element and an optical transmission element. The grating element includes a ridge-type optical waveguide having an incident surface to which a semiconductor laser light is incident and an emitting surface from which an outgoing light having a desired wavelength... Ngk Insulators Ltd

10/12/17 / #20170291135

Separation membrane structure and nitrogen concentration reduction method

A separation membrane structure comprises a porous support body, a zeolite membrane formed on the porous support body and comprising pores having a major diameter and a minor diameter. The ratio of a major diameter to a minor diameter is greater than 1.0. The minor diameter is greater than or... Ngk Insulators Ltd

10/05/17 / #20170282108

Porous material, manufacturing porous material, and honeycomb structure

Provided is a porous material which is not easily damaged even when being exposed to a high temperature in a low oxygen atmosphere, and has heat resistance improved. A porous material includes aggregates formed of a nonoxide containing silicon and a binding material formed of an oxide ceramic binding the... Ngk Insulators Ltd

10/05/17 / #20170282109

Plugged honeycomb structure

A plugged honeycomb structure in which in a cross section of a honeycomb structure body which is perpendicular to an extending direction of cells, inflow cells are disposed to surround an outflow cell, and the number of the inflow cells is larger than the number of the outflow cells, and... Ngk Insulators Ltd

10/05/17 / #20170282117

Gas separation method

The gas separation method is executed under a condition in which a partial pressure of a first gas (G1) in a feed gas that contains at least mutually different gases being the first gas (GI), a second gas (G2) and a third gas (G3) becomes less than or equal to... Ngk Insulators Ltd

10/05/17 / #20170282118

Gas separation method

The gas separation method is executed under a condition in which a partial pressure of a first gas (G1) in a feed gas that contains at least mutually different gases being the first gas (G1) and a second gas (G2) becomes less than or equal to a total pressure of... Ngk Insulators Ltd

10/05/17 / #20170282125

Honeycomb structure

A honeycomb structure includes: a honeycomb structure body including a plurality of cells; and a plugging portion to alternately plug open end parts of the plurality of cells on one side as an inflow side of the exhaust gas and open end parts on the other side as an outflow... Ngk Insulators Ltd

10/05/17 / #20170282164

Honeycomb structure

A honeycomb structure includes: a honeycomb structure body; and a convex part that protrudes outward from a part of circumference of the honeycomb structure body. The convex part surrounds the circumference of the honeycomb structure body like a ring. The convex part is of a tapered shape at least at... Ngk Insulators Ltd

10/05/17 / #20170282167

Honeycomb structure

The honeycomb structure includes a honeycomb structure body made of a zeolite material containing at least a coarse particle zeolite having a large average particle diameter (coarse zeolite particles). A fine particle zeolite having an average particle diameter smaller than that of the coarse particle zeolite (fine zeolite particles), and... Ngk Insulators Ltd

10/05/17 / #20170282168

Manufacturing honeycomb structure

The manufacturing method includes a step of mixing a coarse particle zeolite, a fine particle zeolite, and a raw material of an inorganic bonding material to prepare a zeolite raw material; a step of forming the prepared zeolite raw material into a honeycomb shape to prepare a honeycomb formed body;... Ngk Insulators Ltd

10/05/17 / #20170282286

Metal wiring bonding structure and production method therefor

A metal wiring bonding structure 100 comprises contacts 753 of connection FPC 75 and heater lands 46 of a sheet heater 30 to be bonded by a solder bonding member 766. A connection FPC 75 includes contact opposed lands 754 formed of metal and disposed at positions respectively opposed to... Ngk Insulators Ltd

10/05/17 / #20170282402

Ceramic formed body extrusion method, ceramic formed body, and ceramic porous body

A ceramic formed body extrusion method for forming a ceramic formed body having a wall-shaped or plate-shaped formed portion by using an extrusion die provided with a slit for extrusion of a ceramic formed body from a raw material for forming, the slit including a slit former stage unit located... Ngk Insulators Ltd

10/05/17 / #20170282404

Cutting honeycomb formed body, and manufacturing honeycomb structure

The cutting method of a honeycomb formed body includes an end face cutting step of cutting both end faces of the ceramic honeycomb formed body before fired, by use of blade type rough-cutting grinding wheels in which coarse abrasive grain layers are formed; a honeycomb formed body rotating step of... Ngk Insulators Ltd

10/05/17 / #20170283931

Honeycomb structure, and manufacturing the same

The honeycomb structure includes a pillar-shaped honeycomb structure body having porous partition walls 1 defining a plurality of cells and a circumferential wall, and a pair of electrode members disposed on the side of a side surface of the honeycomb structure body. The pair of electrode members contain metal silicon... Ngk Insulators Ltd

10/05/17 / #20170283983

Growing for group 13 element nitride crystal

A group 13 element source, a flux comprising at least one of an alkali metal and an alkaline earth metal, and an additive being liquid at an ambient temperature are placed in a crystal growing vessel. The crystal growing vessel is heated and pressurized under a nitrogen atom-containing gas atmosphere... Ngk Insulators Ltd

10/05/17 / #20170284245

Manufacturing plugged honeycomb structure

The manufacturing method of the plugged honeycomb structure includes a honeycomb structure forming step of forming a pillar-shaped honeycomb structure, and a plugging step of forming plugging portions in end portions of the cells of the honeycomb structure formed in the honeycomb structure forming step, and in the plugging step,... Ngk Insulators Ltd

10/05/17 / #20170284246

Honeycomb structure and manufacturing honeycomb structure

A honeycomb structure includes honeycomb segments each having a porous partition wall defining a plurality of cells, and includes a porous bonding layer containing a crystalline anisotropic ceramic and disposed so as to bond side surfaces of the honeycomb segments to each other. A ratio of a pore volume (cc/g)... Ngk Insulators Ltd

10/05/17 / #20170284256

Reducing agent injection device and exhaust gas treatment method

A reducing agent injection device includes a honeycomb structure and a urea spraying device spraying a urea water solution in mist form. A pair of electrode members is formed in the honeycomb structure. The honeycomb structure of the reducing agent injection device, the hydraulic diameter HD, defined as HD=4×S/C, when... Ngk Insulators Ltd

10/05/17 / #20170284257

Reducing agent injection device and exhaust gas treatment method

A reducing agent injection device includes a first honeycomb structure and a urea spraying device spraying a urea water solution in mist form. A pair of electrode members is formed in the first honeycomb structure. The ratio L/D of length L in the cell extending direction of the honeycomb structure... Ngk Insulators Ltd

10/05/17 / #20170284258

Reducing agent injection device and exhaust gas treatment method

A reducing agent injection device includes a honeycomb structure and a urea spraying device spraying a urea water solution in mist form. In addition, the reducing agent injection device includes a carrier gas inlet that introduces carrier gas f between the urea spraying device and the honeycomb structure. The exhaust... Ngk Insulators Ltd

10/05/17 / #20170284264

Honeycomb structure

A honeycomb structure includes: a honeycomb structure body including a plurality of cells defined by a partition wall and serving as a through channel of fluid; and a plugging portion to alternately plug open end parts of the plurality of cells on one side as an inflow side of the... Ngk Insulators Ltd

10/05/17 / #20170284746

Heat storage member

A heat storage member including a substrate containing a SiC sintered body as a principal ingredient and a heat storage material configured to store and radiate heat by a reversible chemical reaction with a reaction medium or a heat storage material configured to store and radiate heat by physical adsorption... Ngk Insulators Ltd

Patent Packs
10/05/17 / #20170284747

Heat storage member

A heat storage member including: a substrate containing a SiC sintered body as a principal ingredient; a coating layer disposed at least to a part of surface of the substrate; and a heat storage material disposed at least to a part of a surface of the coating layer and configured... Ngk Insulators Ltd

10/05/17 / #20170284917

Method of predicting formed body density and manufacturing ceramic fired body

The method of predicting a formed body density includes: a correlation calculating step of obtaining the correlation between the formed body density of the formed body and the porosity of the fired body; and a formed body density predicting step including: in a case of preparing a kneaded material A... Ngk Insulators Ltd

10/05/17 / #20170284958

Sensor element and gas sensor

A sensor element 101 includes an element main body 101a that includes oxygen ion-conductive solid electrolyte layers (1 to 6), and a porous protective layer 90 that covers at least part of the element main body 101a. The porous protective layer 90 includes a porous inner protective layer 92 and... Ngk Insulators Ltd

10/05/17 / #20170284960

Inspection gas sensor

An inspection apparatus capable of performing responsivity inspection on a plurality of gas sensors at equivalent accuracies is provided. The inspection apparatus includes a plurality of inspected sensor disposing parts that are provided halfway through one gas flow path at equal intervals in an extending direction of the flow path... Ngk Insulators Ltd

10/05/17 / #20170287155

Porous body, honeycomb filter, microstructure analysis method, program for same, and microstructure analyzer

In a porous body, a surface layer thickness Ts takes a relatively small value satisfying P≧0.54 Ts (formula (1)), the surface layer thickness Ts being derived by a microstructure analysis using the porous-body data that is prepared through three-dimensional scanning of a region including a surface (inflow plane 61) of... Ngk Insulators Ltd

10/05/17 / #20170288126

Piezoelectric element

The piezoelectric element comprises a piezoelectric body extending in a lateral direction and a first and second electrodes that are provided on the piezoelectric body. The piezoelectric body has an active portion sandwiched between the first and second electrodes in a thickness direction that is vertical to the lateral direction,... Ngk Insulators Ltd

10/05/17 / #20170288129

Piezoelectric element

A piezoelectric element includes a piezoelectric body having a main phase configured by lead zirconate titanate and a heterogenous phase configured by a different component to lead zirconate titanate, and a pair of electrodes provided on the piezoelectric body. The piezoelectric body has a surface region within 10 μm of... Ngk Insulators Ltd

10/05/17 / #20170290099

Metal wiring bonding structure and production method therefor

A metal wiring bonding structure 100 comprises contacts 753 of connection FPC 75 and heater lands 46 of a sheet heater 30 to be bonded by a solder bonding member 766. A connection FPC 75 includes contact opposed lands 754 famed of metal and disposed at positions respectively opposed to... Ngk Insulators Ltd

09/28/17 / #20170274311

Honeycomb filter

A honeycomb filter includes a pillar-shaped honeycomb substrate including a porous partition wall that defines a plurality of cells extending from an inflow end face to an outflow end face, an inflow side plugging portion disposed at the inflow end face of the honeycomb substrate to plug open ends of... Ngk Insulators Ltd

09/28/17 / #20170274312

Honeycomb filter

A honeycomb filter includes a pillar-shaped honeycomb substrate including a porous partition wall that defines a plurality of cells extending from an inflow end face to an outflow end face, an inflow side plugging portion disposed at the inflow end face of the honeycomb substrate to plug open ends of... Ngk Insulators Ltd

09/28/17 / #20170274320

Honeycomb filter

A honeycomb filter includes a honeycomb structure body having porous partition walls defining a plurality of cells which become through channels for fluid, plugging portions disposed in open ends of the cells, and a protective layer disposed to cover at least the surface of the honeycomb structure body, each of... Ngk Insulators Ltd

09/28/17 / #20170274323

Honeycomb structure

A honeycomb structure includes a honeycomb structure body including porous partition walls defining a plurality of cells serving as fluid passages extending from an inflow end face to an outflow end face. A porosity of the partition walls is from 45 to 65%, an open frontal area of pores having... Ngk Insulators Ltd

09/28/17 / #20170274326

Honeycomb structure

A honeycomb structure comprising: a honeycomb structure body that includes a plurality of porous partition walls and intersection parts, and a catalyst layer, wherein the porosity of the partition wall is 20 to 70%, the average pore diameter of the pores in the partition wall is 1 to 60 μm,... Ngk Insulators Ltd

09/28/17 / #20170274354

Honeycomb structure

A honeycomb structure includes a honeycomb structure body including porous partition walls defining a plurality of cells serving as fluid passages extending from an inflow end face to an outflow end face. The partition walls have a porosity of 45 to 65%; the open frontal area of the pores having... Ngk Insulators Ltd

09/28/17 / #20170274357

Porous ceramic structural body

A honeycomb structure is formed of a porous ceramic material and has pores in the structural body, wherein cerium dioxide is present in a state that it is incorporated in the structural body in the ceramic material, and at least a part of cerium dioxide particles is exposed on pore... Ngk Insulators Ltd

Patent Packs
09/28/17 / #20170274365

Manufacturing honeycomb structure

The manufacturing method of the honeycomb structure includes a mounting step of mounting an extruded honeycomb formed body on a firing setter disposed on a shelf plate, and a firing step of firing the honeycomb formed body mounted on the firing setter to form the honeycomb structure, and in the... Ngk Insulators Ltd

09/28/17 / #20170274366

Honeycomb structure

The honeycomb structure includes a honeycomb structure body having porous partition walls, and a plugging portion disposed in one of open ends of each cell, a thickness of the partition walls is 0.30 mm or more and 0.51 mm or less, a cell density is 30 cells/cm2 or more and... Ngk Insulators Ltd

09/28/17 / #20170274554

Honeycomb structure

A honeycomb structure has a pillar-shaped honeycomb structure body having porous partition walls which defines cells which forms a passage of liquid extended from an inflow end face toward an outflow end face, a circumferential wall arranged to surround a circumference of the partition walls. The honeycomb structure body has... Ngk Insulators Ltd

09/28/17 / #20170274555

Method of manufacturing ceramic structure

A manufacturing method includes a mixing step, a kneading step of kneading a wet mixture, a liquid adding step of further adding a liquid to a kneaded material, a forming step of extruding a forming material of which viscosity is adjusted into a honeycomb formed body, a drying step of... Ngk Insulators Ltd

09/28/17 / #20170274618

Honeycomb structure

A honeycomb structure includes a honeycomb structure body that includes a porous partition wall which defines a plurality of cells serving as through channels of fluid and extending from an inflow end face as one end face to an outflow end face as the other end face, and a circumferential... Ngk Insulators Ltd

09/28/17 / #20170275206

Mullite-containing sintered body, manufacturing the same, and composite substrate

A mullite-containing sintered body according to the present invention contains mullite and at least one selected from the group consisting of silicon nitride, silicon oxynitride, and sialon. It is preferable that the mullite-containing sintered body have a thermal expansion coefficient of less than 4.3 ppm/° C. at 40° C. to... Ngk Insulators Ltd

09/28/17 / #20170275207

Cordierite-based sintered body, producing the same, and composite substrate

A cordierite-based sintered body according to the present invention contains cordierite as a main component and silicon nitride or silicon carbide. The cordierite-based sintered body preferably has a thermal expansion coefficient less than 2.4 ppm; ° C. at 40° C. to 400° C., an open porosity of 0.5% or less,... Ngk Insulators Ltd

09/28/17 / #20170276047

Heater and honeycomb structure including heater

A heater includes: a plate-like first heater substrate; an electrical heating wire that is provided on a first surface of the first heater substrate in a parallel circuit; electrodes that are connected to the electrical heating wire to allow current to flow in the electrical heating wire; and a plate-like... Ngk Insulators Ltd

09/28/17 / #20170276049

Honeycomb structure, and manufacturing honeycomb structure

A honeycomb structure has partition walls defining a plurality of polygonal cells which become through channels for a fluid, a structure end face vertical to an axial direction has at least two cell regions possessing mutually different cell structures and surrounded by circumferential portions, and in the cell regions adjacent... Ngk Insulators Ltd

09/28/17 / #20170276051

Method for diagnosing degradation of catalyst and catalyst degradation diagnosis system

Provided is a method for accurately diagnosing a degree of degradation of an oxidation catalyst. A target gas detecting element configured to output an electromotive force corresponding to a concentration of a target gas is provided downstream of a catalyst in an exhaust path of an internal combustion engine. A... Ngk Insulators Ltd

09/28/17 / #20170276052

Method for diagnosing degradation of catalyst and catalyst degradation diagnosis system

Provided is a method for accurately diagnosing a degree of degradation of an oxidation catalyst. A target gas detecting element configured to output an electromotive force corresponding to a concentration of a target gas is provided downstream of a catalyst in an exhaust path of an internal combustion engine. A... Ngk Insulators Ltd

09/28/17 / #20170276280

Joined body and producing joined body

A joined body 10 includes a ceramic body 12, a metal member 14, and a joint portion 15 that joins the ceramic body 12 and the metal member 14 together. The joint portion 15 includes a first joint layer 16 joined to the ceramic body 12 and a second joint... Ngk Insulators Ltd

09/28/17 / #20170276636

Sensor element, manufacturing method therefor, and gas sensor

In a sensor element 101, oxygen contained in a gas to be measured introduced into a first internal space 20 through a first diffusion control part 11 is pumped out by applying voltage between an inner pump electrode 22 and an outer pump electrode 23. After the oxygen is pumped... Ngk Insulators Ltd

09/28/17 / #20170276637

Gas sensor manufacturing method and gas sensor manufacturing apparatus

Provided is a method for manufacturing a gas sensor capable of securing airtightness without a chip in a sensor element. The method includes a step of obtaining an assembled body constituting the gas sensor, including steps of causing one end of the sensor element to abut to a positioning member... Ngk Insulators Ltd

09/28/17 / #20170276638

Gas sensor manufacturing method and gas sensor manufacturing apparatus

Provided is a method for manufacturing a gas sensor which suppresses a defective product caused by a defective posture of a sensor element therein. The method includes a step of obtaining an assembled body constituting the gas sensor, including steps of: causing one end of the sensor element to come... Ngk Insulators Ltd

09/28/17 / #20170278601

Voltage-nonlinear resistor element and producing the same

A voltage-nonlinear resistor element 10 includes a voltage-nonlinear resistor (referred simply as “resistor”) 20 and a pair of electrodes 14 and 16 between which the resistor 20 is interposed. The resistor 20 has a multilayer structure including a first layer 21 composed primarily of zinc oxide, a second layer 22... Ngk Insulators Ltd

09/28/17 / #20170278732

Wafer placement apparatus

A wafer placement apparatus 30 includes a ceramic substrate 32 having a wafer placement surface, a heater electrode 34 embedded in the ceramic substrate 32, and feeder rods 36 and 37 made of Cu and electrically connected to the heater electrode 34 through a surface of the ceramic substrate 32... Ngk Insulators Ltd

09/28/17 / #20170280509

Electrostatic chuck heater

An electrostatic chuck heater 20 includes an electrostatic chuck 22, a sheet heater 30, and a support pedestal 60. The electrostatic chuck 22 is obtained by embedding an electrostatic electrode 24 in a ceramic sintered body 26. The sheet heater 30 is a resin sheet 32 having a plurality of... Ngk Insulators Ltd

09/21/17 / #20170266908

Honeycomb structure

The honeycomb structure includes a pillar-shaped honeycomb structure body having porous partition walls, as to the honeycomb structure body, in a plane perpendicular to a cell extending direction, a cell structure of a central cell structure differs from a cell structure of a circumferential cell structure, and in the plane,... Ngk Insulators Ltd

09/21/17 / #20170268125

Group 13 element nitride crystal layer and function element

A crystal layer of a nitride of a group 13 element includes a pair of main surfaces. The crystal layer includes high carrier concentration regions having a carrier concentration of 1×1018/cm3 or more and low carrier concentration regions having a carrier concentration of 9×1017/cm3 or less, viewed in a cross... Ngk Insulators Ltd

09/21/17 / #20170271731

Zinc-air secondary battery

Provided is a zinc-air secondary battery including an air electrode; a negative electrode containing zinc, a zinc alloy, and/or a zinc compound; an aqueous electrolytic solution in which the negative electrode is immersed; a container having an opening and accommodating the negative electrode and the electrolytic solution; and a separator... Ngk Insulators Ltd








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