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Seagate Technology Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Seagate Technology Llc-related inventors


 new patent  Methods and devices for reducing device test time

A method includes receiving a first set of testing data associated with a first group of electronic devices. The first set of testing data is generated during a tuning test applying a first range of testing parameters. ... Seagate Technology Llc

 new patent  Translating layer for combining fcc and hcp lattice structures

An apparatus includes a substrate, a plurality of layers overlying the substrate, a hexagonal close packed (hcp) translating layer, and an hcp layer overlying the hcp translating layer. A top layer of the multiple layers has a face centered cube (fcc) lattice structure. ... Seagate Technology Llc

 new patent  Hysteresis compensation in a disc drive

Systems and methods for compensating for hysteresis in a disc drive are described. In one embodiment, a method may use an inverse hysteresis model to linearize effects of hysteresis of a microactuator in the disc drive. ... Seagate Technology Llc

 new patent  Random number generation using switching regulators

Random numbers are generated using entropic properties associated with circuit hardware. Consistent with one method, a switching voltage regulator circuit is used to generate a random number. ... Seagate Technology Llc

Media cache band cleaning

A data storage device includes a media cache and a main data store optimized for sequential reads and organized into bands. When the data storage device receives a read request from a host computing system, the requested data may be fragmented across the media cache and the main data store, causing constrained read throughput. ... Seagate Technology Llc

Expanded ios® device capability

A method includes receiving a request from a host device to authenticate a device. The method further includes transmitting authenticating data to the host device. ... Seagate Technology Llc

Read disturb detection based on dynamic bit error rate estimation

Apparatus and method for reducing read disturbed data in a non-volatile memory (nvm). Read operations applied to a first location in the nvm are counted to accumulate a read disturb count (rdc) value. ... Seagate Technology Llc

Forward corrupted track detection and by-pass for shingled magnetic recording drives

Systems and methods for forward corrupted track detection and by-pass are described. In one embodiment, a storage system comprising a storage controller performs a read operation for a target track of a shingled magnetic recording (smr) disk drive and detects a read operation failure of the read operation for the target track. ... Seagate Technology Llc

Shingled magnetic recording with operational based track spacing

A data storage device can employ shingled magnetic recording with data tracks oriented in order to optimize operational parameters, such as bit error rate. A data storage device can consist of a plurality of data tracks overlapping in a band on a data storage medium. ... Seagate Technology Llc

Multi-tiered detection and decoding in flash memories

Methods and apparatus are provided for multi-tier detection and decoding in flash memory devices. Data from a flash memory device is processed by obtaining one or more quantized estimates of a voltage stored on at least one bit of a cell of the flash memory device from the flash memory device; converting the one or more quantized estimates for the at least one bit to a reliability value; and decoding the at least one bit using the reliability value to obtain a value written for the at least one bit.. ... Seagate Technology Llc

Capacitance coupling parameter estimation in flash memories

A method for capacitance coupling parameter estimation includes determining a plurality of mean voltages among a plurality of memory cells of the memory in each of a plurality of cases related to inter-cell interference, generating a plurality of middle state mean voltages in response to the mean voltages, and adjusting one or more threshold voltages used to read from the memory based on the middle state mean voltages to operate independently of knowledge of middle state distributions in the memory cells.. . ... Seagate Technology Llc

Mobile wireless drive storage for mobile phone used as car dashboard camera

Systems and methods are disclosed that capture video in mobile applications and automatically archive the captured videos using short-range communications with a network storage device. In various embodiments, the archival is triggered by proximity to the wireless network device. ... Seagate Technology Llc

Automatic generation of unique identifiers for distributed directory management users

A controller is configured to perform various steps including receiving a plurality of user identification values. Another step includes determining a first range of the plurality of user identification values, the first range including a first minimum user identification value and a first maximum user identification value. ... Seagate Technology Llc

Data storage device with high signal-to-noise ratio contact detection

A data storage device may have increased signal-to-noise ratio contact detection by employing a transducing head associated with a data storage medium each connected to a controller. The transducing head can have an alternating current heater excited to a first frequency for a first revolution of the data storage medium and to a different second frequency for a second revolution of the data storage medium. ... Seagate Technology Llc

06/21/18 / #20180174613

Dual actuator storage device utilizing multiple disk zones

A recording surface of a magnetic disk is divided into first and second zones. A first head of a first actuator arm assembly reads from and/or writes to the first zone exclusively. ... Seagate Technology Llc

06/21/18 / #20180174603

Heater design for fly height control

Implementations described and claimed herein includes a storage device comprising a transducer heat including at least one pair of read/write elements and a heat shaped to thermally protrude regions of the transducer head including the read/write elements. According to one implementation, the heat element includes at least one conductive portion of locally decreased resistance proximal to and between the pair of read/write elements to direct the thermally protruded close point away from a midpoint between the read/write elements.. ... Seagate Technology Llc

06/21/18 / #20180173658

Selectively enable data transfer based on accrued data credits

An apparatus to arbitrate data transfer between a computing host and a storage device across an interface includes a data transfer limiter configured to track an amount of data credits used by a data transfer across the interface and an amount of accrued data credits available to the interface. The apparatus further includes a data transfer arbiter configured to selectively disable the data transfer across the interface when the amount of data credits used by the data transfer across the interface exceeds a first threshold, and to selectively enable the data transfer across the interface when the amount of data credits used by the data transfer across the interface does not exceed a second threshold. ... Seagate Technology Llc

06/21/18 / #20180173581

Data storage system durability using hardware failure risk indicators

Methods, apparatuses, systems, and devices are described for improving data durability in a data storage system. In one example method of improving data durability, a hardware failure risk indicator may be determined for each of a plurality of data storage elements in the data storage system. ... Seagate Technology Llc

06/21/18 / #20180173427

Hybrid data storage device with partitioned local memory

Apparatus and method for managing data in a hybrid data storage device. In some embodiments, the storage device has a hard disc drive (hdd) controller circuit coupled to non-volatile rotatable storage media and a solid state drive (ssd) controller circuit coupled to non-volatile solid state memory. ... Seagate Technology Llc

06/14/18 / #20180166142

Flash command that reports a count of cell program failures

An apparatus comprises a memory and a controller. The memory configured to store data. ... Seagate Technology Llc

06/07/18 / #20180158536

Periodically updating a log likelihood ratio (llr) table in a flash memory controller

Log likelihood ratio (llr) values that are computed in a flash memory controller during read retries change over time as the number of program-and-erase cycles (pecs) that the flash memory die has been subjected to increases. Therefore, in cases where an llr table is used to provide pre-defined, fixed llr values to the error-correcting code (ecc) decoding logic of the controller, decoding success and the resulting ber will degrade over time as the number of pecs to which the die has been subjected increases. ... Seagate Technology Llc

06/07/18 / #20180158483

Detection of z-axis non-operation shock

Systems and methods for determining an occurrence of non-operation shock (nos) in a disc drive are described. Such determining may be used to determine whether or not the disc drive should be recalibrated or compensated to account for changes induced by nos. ... Seagate Technology Llc

05/31/18 / #20180147646

Method of forming electrical connections using optical triggering for solder

A method for interconnecting multiple components of an electrical assembly with a solder joint, including the steps of positioning a first component adjacent to a second component to provide a connection area, dispensing a solid solder sphere to a capillary tube, wherein the capillary tube is positioned with an exit orifice above the connection area between the first and second components, applying a first laser through the capillary tube while measuring light from the first laser that reflects off the connection area as the solder sphere moves through the capillary tube, and applying a second laser to at least partially melt the solder sphere when the measured light decreases to a predetermined level and as the solder sphere falls from the exit orifice toward the connection area between the first and second components.. . ... Seagate Technology Llc

05/24/18 / #20180146569

Storage device carrier and related systems and methods

A rack enclosure system includes a receiving frame and a carrier. The carrier is configured to capture a storage device and to be slidably received by the receiving frame in a mounting direction. ... Seagate Technology Llc

05/24/18 / #20180144765

Devices including a near field transducer (nft) including peg and disc from different materials

Devices that have an air bearing surface (abs), the device includes a near field transducer (nft) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material that includes gold or an alloy thereof and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the peg material has a real part of the permittivity that is not greater than that of gold.. . ... Seagate Technology Llc

05/24/18 / #20180144764

Slider utilizing multiple transducer sets

A slider includes an array of two or more transducer sets offset from one another in a cross-track direction. Each transducer set includes at least one writer and at least one reader. ... Seagate Technology Llc

05/24/18 / #20180143874

Fractional redundant array of silicon independent elements

Higher-level redundancy information computation enables a solid-state disk (ssd) controller to provide higher-level redundancy capabilities to maintain reliable operation in a context of failures of non-volatile (e.g. Flash) memory elements during operation of an ssd implemented in part by the controller. ... Seagate Technology Llc

05/17/18 / #20180137889

Materials for near field transducers and near field transducers containing same

A method of forming a near field transducer (nft) layer, the method including depositing a film of a primary element, the film having a film thickness and a film expanse; and implanting at least one secondary element into the primary element, wherein the nft layer includes the film of the primary element doped with the at least one secondary element.. . ... Seagate Technology Llc

05/17/18 / #20180137885

Bond pad sharing for powering a multiplicity of electrical components

A bond pad set includes at least one ground pad and at least one electrical bond pad configured to bias and send/receive signals. The bond pad set is electrically connected to a multiplicity of electrical components. ... Seagate Technology Llc

05/17/18 / #20180137024

Non-intrusive performance monitor and service engine

A method of monitoring a plurality of storage devices using a storage management system includes receiving and analyzing input/output data related to the storage devices and generating a model in response to the monitoring, including the detected input/output data related to at least a first and a second storage device, and where the input/output data includes at least one measurable storage device aspect. The method also includes determining, in response to the generating, that the first storage device is a control storage device, and that the second storage device is to be compared to the first storage device and comparing the input/output data of the second storage device to the first storage device according to the at least one measurable storage device aspect. ... Seagate Technology Llc

05/10/18 / #20180131564

Verifying distributed computing results via nodes configured according to a tree structure

Computing nodes are coupled via a network to communicate as a tree structure that performs a distributed computation. The nodes include a root node, intermediate nodes, and leaf nodes. ... Seagate Technology Llc

05/10/18 / #20180130533

Electric field storage device

The system includes a data storage medium comprising cells, an excitation circuit, and an emitter. The cells arranged in a three dimensional space. ... Seagate Technology Llc

05/10/18 / #20180130532

Electric field storage device

A system includes a data storage medium comprising layers, an excitation circuit, and an emitter. Each layer comprises cells arranged in a horizontal plane. ... Seagate Technology Llc

05/10/18 / #20180130531

Three dimensional electric field data storage device utilizing shockwaves and a light source

A system includes a data storage medium and a shockwave generator. The data storage medium includes cells and a plurality of layers. ... Seagate Technology Llc

05/10/18 / #20180130493

Bimodal modulation

Apparatus and method contemplating an in-situ test method for a head gimbal assembly (hga). The method includes individually exciting a pair of opposing-effect microactuators supporting the read/write head adjacent a data storage media; summing the outputs from the microactuators to derive a spectral frequency response of the hga; determining a resonant frequency from the spectral frequency response; driving the microactuators at the resonant frequency; and varying the read/write fly height apart from the data storage media to correlate contact with a maximum response of the microactuators.. ... Seagate Technology Llc

05/10/18 / #20180130488

Write head offset for shingled magnetic recording (smr) disk drives

Methods, systems, and apparatuses are described for provisioning storage devices. An example method includes determining a write status of an adjacent track that is adjacent to a target track of a shingled magnetic recording (smr) disk drive. ... Seagate Technology Llc

05/10/18 / #20180130486

Devices including a near field transducer (nft), at least one cladding layer and interlayer there between

A device that includes a near field transducer (nft); at least one cladding layer adjacent the nft; and a carbon interlayer positioned between the nft and the at least one cladding layer.. . ... Seagate Technology Llc

05/10/18 / #20180129627

Receiver training during a sata out of band sequence

Method and apparatus contemplating a storage device communicating with a host via a bus, the storage device comprising programming instructions stored in memory that are configured to transmit a training signal that is not a comwake signal to the host in response to receiving a comwake signal from the host, after transmitting the training signal to the host then to determine whether a training signal is received from the host within a predetermined time interval, and if the training signal is received from the host within the predetermined time interval then transmitting a comwake signal to the host.. . ... Seagate Technology Llc

05/10/18 / #20180129432

Form factor compatible laptop pc raid array

The disclosed technology provides a storage device enclosure system, which includes two hard disk drives (hdds), a form factor compatible connector, the form factor compatible connector attached to the two hdds and configured to connect the two hdds to an external computing system, and a controller, the controller located on the form factor compatible connector and configured to performing data mirroring of data from the external computing system via a sata port multiplier onto the two hdds.. . ... Seagate Technology Llc

05/03/18 / #20180122414

Multi-purpose resistive sensor for a heat-assisted magnetic recording device

An apparatus comprises a slider having an air bearing surface (abs) and a near-field transducer (nft) at or near the abs. An optical waveguide is configured to couple light from a laser source to the nft. ... Seagate Technology Llc

05/03/18 / #20180121364

Storage tier with compressed forward map

A data storage device includes a storage tier and a storage controller operably coupled to the storage tier and configured to be communicatively coupled to a host device. The storage controller includes a first memory operably coupled to the storage controller and configured to store a superseding data structure. ... Seagate Technology Llc

05/03/18 / #20180120387

Magnetic sensor manufacturing

A magnetic sensor comprising a first shield and a second shield and a sensor stack between the first and the second shield, the sensor stack having a plurality of layers wherein at least one layer is annealed using in-situ rapid thermal annealing. In one implementation of the magnetic sensor a seed layer is annealed using in-situ rapid thermal annealing. ... Seagate Technology Llc

05/03/18 / #20180118876

Encapsulant composition for use with electrical components in hard disk drives, and related electrical components and hard disk drives

The present disclosure relates to encapsulant compositions for use with hard disk drive devices.. . ... Seagate Technology Llc

04/19/18 / #20180110152

Self-biasing storage device sled

A storage device sled for mounting a storage device within a chassis is provided. The storage device sled includes a bezel, which includes a first portion that is stationary relative to a storage device, a second portion vertically captured within the first portion and configured to slide between unlatching and latching positions, and a spring configured to push the latch outwardly from the bezel. ... Seagate Technology Llc

04/19/18 / #20180108374

Toothed slider high density head gimbal assembly slider interconnect

A slider for use in a disk drive, the slider including a slider body having a leading surface and an opposite trailing surface, wherein the trailing surface includes portions with extensions or depressions. The extensions or depressions include a slider bond pad.. ... Seagate Technology Llc

04/19/18 / #20180108373

Plasmonic gap waveguide

An apparatus includes a slider configured for heat-assisted magnetic recording. An input coupler of the slider is configured to-receive light produced by a light source. ... Seagate Technology Llc

04/19/18 / #20180107568

Recovering from data access errors by controlling access to neighboring memory units

An unrecoverable error is determined when attempting to access data stored in a target memory unit of a storage medium of a data storage device. Access to neighboring memory units that are proximate to the target memory unit is controlled in response. ... Seagate Technology Llc

04/19/18 / #20180107499

Active drive

A data storage drive that includes a data storage medium and drive control circuit communicatively coupled to the data storage medium. The data storage drive also includes embedded applet management circuitry that executes an application, installed in the data storage drive as one or more key-value objects, within a controlled environment of the data storage drive.. ... Seagate Technology Llc

04/19/18 / #20180107467

Active drive api

An application programming interface (api) that enables installation of an application as one or more key-value objects on a data storage drive such as a hard disk drive, a solid state drive or a hybrid drive. The api also enables execution of the application within a controlled environment of the data storage drive.. ... Seagate Technology Llc

04/12/18 / #20180102137

Methods of forming portions of near field transducers (nfts) and articles formed thereby

Methods that include forming at least a portion of a near field transducer (nft) structure; depositing a material onto at least one surface of the portion of the nft to form a metal containing layer; and subjecting the metal containing layer to conditions that cause diffusion of at least a portion of the material into the at least one surface of the portion of the nft; and devices formed thereby.. . ... Seagate Technology Llc

04/12/18 / #20180100968

Uniform laser direct writing for waveguides

A waveguide includes a segment with a substantially uniform cure profile and related methods and systems for making and using the same. The waveguide is formed by modifying a laser beam used to write the waveguide to provide a substantially uniform cure profile in the waveguide. ... Seagate Technology Llc

04/05/18 / #20180096701

Active fiber composite data storage device suspension

A data storage device may employ a suspension that positions a transducing head proximal a data storage medium. The suspension can consist of an active fiber composite that spans a portion of a loadbeam. ... Seagate Technology Llc

04/05/18 / #20180095673

Multi-speed data storage device with media cache for high speed writes

Apparatus and method for managing data transfers in a data storage device with rotational media that can be rotated at different speeds. In some embodiments, a non-volatile main memory is formed on a rotatable medium accessed by a moveable data transducer. ... Seagate Technology Llc

04/05/18 / #20180094347

Fabrication of a multi-layered magnetic element

A fabrication method that includes cryogenically cooling a multi-layered structure, which includes a barrier layer, in a multi-purpose chamber having a single enclosure around at least one sputtering target and a substrate support. The method also includes depositing a ferromagnetic layer over the barrier layer of the cryogenically cooled multi-layered structure in the single enclosure when the multi-layered structure is supported on the substrate support.. ... Seagate Technology Llc

04/05/18 / #20180094346

Methods of forming mgo barrier layer

A method of making an mgo barrier layer for a tmr sensor, the method including depositing a first mg layer in a first chamber, depositing a second mg layer on the first mg layer using a reactive oxide deposition process in the presence of oxygen in the first chamber or in a second chamber different than the first chamber, depositing a third mg layer on the second mgo layer in either the first chamber, the second chamber, or a third chamber, and annealing the first layer, the second layer, and the third layer to form an mgo barrier layer.. . ... Seagate Technology Llc

03/29/18 / #20180090181

Data storage enclosure with acoustic baffle

A data storage enclosure can employ an acoustic baffle for the purpose of reducing performance degradation in a data storage device, such as a rotating medium hard disk drive. A storage enclosure may house a plurality of data storage devices and at least one cooling feature. ... Seagate Technology Llc

03/29/18 / #20180090179

Mounting structure for hard disk drives

A hard disk drive mounting assembly that includes a disk drive assembly having a base structure that includes a screw hole and a damping insert at least partially surrounding the screw hole. The disk drive assembly further includes a threaded insert positioned in the screw hole of the damping insert.. ... Seagate Technology Llc

03/29/18 / #20180090164

3d storage cells

Provided herein is an apparatus including a three dimensional crystalline structure including a number of storage locations. The storage locations are arranged in three dimensions within the crystalline structure. ... Seagate Technology Llc

03/29/18 / #20180090163

Loop shaping methods and devices for disturbance observer in servo control systems

An apparatus includes voice coil motor (vcm) control circuitry and microactuator control circuitry. The vcm control circuitry includes a vcm disturbance observer configured to generate a vcm disturbance compensation signal. ... Seagate Technology Llc

03/29/18 / #20180090160

Devices including a diffusion barrier layer

Devices that include a write pole; a near field transducer (nft) that includes a peg and a disk, wherein the peg is at the abs of the device; and a diffusion barrier layer positioned between the write pole and the peg of the nft, the diffusion barrier layer including metals, nitrides, oxides, carbides, silicides, or amorphous material.. . ... Seagate Technology Llc

03/29/18 / #20180090159

Devices including metal layer

Devices having an air bearing surface (abs) and including a write pole; a near field transducer (nft) that includes a peg and a disc, wherein the peg includes a rear peg portion and a peg tip, the rear peg portion and the peg tip are different materials and the peg tip includes: one or more metals; one or more nanoparticles comprising oxides, nitrides, carbides or combinations thereof; one or more conducting oxides, conducting nitrides, conducting bromides, conducting carbides, or combinations thereof; one or more semiconductors; or combinations thereof.. . ... Seagate Technology Llc

03/29/18 / #20180088846

Multi-user dynamic storage allocation and encryption

Systems and methods presented herein provide for data storage for a plurality of host systems. In one embodiment, a storage system comprises a storage unit, and a controller. ... Seagate Technology Llc

03/29/18 / #20180088833

Hybrid data storage device with performance mode data path

Apparatus and method for managing data in a hybrid data storage device. In some embodiments, a hybrid data storage device operates in a normal mode in which data transfer commands received from a host device are serviced by a top level controller circuit which directs a first subset of the received data transfer commands to a non-volatile rotatable recording memory and a second subset of the received data transfer commands are directed to a non-volatile solid-state memory. ... Seagate Technology Llc

03/29/18 / #20180087175

Method of forming one or more metal and/or metal alloy layers in processes for making tranducers in sliders, and related sliders

Disclosed herein are methods of forming one or more transducer elements in a transducer region of a slider by electrodepositing one or more metal ions from an ionic liquid solvent, and related sliders.. . ... Seagate Technology Llc

03/22/18 / #20180084634

Configuration element for printed circuit board assemblies

A printed circuit board assembly includes a printed circuit board having a plurality of signal lanes. The pcba also includes at least one application-specific integrated circuit operatively mounted to the printed circuit board and connected with the plurality of signal lanes. ... Seagate Technology Llc

03/22/18 / #20180082714

Selectable writers for reduced performance variance, and selection method thereof

A method of forming a recording head for use with a data storage medium in a data storage device. The method includes forming first and second writers of different target geometries. ... Seagate Technology Llc

03/22/18 / #20180082713

Composite hamr media structure for high areal density

A heat-assisted magnetic recording media structure with exchange-coupled composite layer structure may be utilized in a data storage device. The heat-assisted magnetic recording disk structure can have a fept-based layer as a storage layer and a fept-based or a copt-based magnetic layer with higher curie temperature as a write layer. ... Seagate Technology Llc

03/22/18 / #20180082706

On head microelectronics for write synchronization

The presently disclosed technology teaches integrating disc drive electronics into a transducer head. Decreased electrical transit times and data processing times can be achieved by placing the electronics on or within the transducer head because electrical connections may be made physically shorter than in conventional systems. ... Seagate Technology Llc

03/22/18 / #20180081558

Asynchronous discovery of initiators and targets in a storage fabric

Method and apparatus for asynchronous discovery of processing and storage nodes coupled via an expander switch in a fabric. In some embodiments, an initiator device operates as a processing node to transfer data to and from a non-volatile memory (nvm) of a target device at a storage node. ... Seagate Technology Llc

03/22/18 / #20180081415

Data storage power management

Systems and methods for data storage power management are described. In one embodiment, the method includes analyzing metrics collected from one or more storage devices, identifying, based at least in part on analyzing the metrics, a pattern of activity for at least one of the one or more storage devices over a predetermined period of time, generating a control model based at least in part on the identified pattern of activity, and modifying a power mode of at least one of the one or more storage devices based on the control mode. ... Seagate Technology Llc

03/15/18 / #20180077820

Rack enclosure cooling systems and related methods

A system includes an enclosure with a device space having a layer of active devices arranged into rows and adjacent cooling channels and an inlet partition having apertures aligned to the cooling channels defining a supply plenum. In a method of use, cooling fluid, such as air, is transferred from the supply plenum to the cooling channels to concurrently cool the layer of active devices and may provide substantially the same temperature and flow of cooling fluid to each row of active devices. ... Seagate Technology Llc

03/15/18 / #20180076742

Efficient energy recovery in disk drive during power loss

A back electromotive force of a rotating motor is converted into a voltage for a load by driving, in accordance with a duty cycle, at least one switching circuit that couples the back electromotive force to a load through a rectifying circuit. An error signal is generated that is a difference between the load voltage and a reference voltage. ... Seagate Technology Llc

03/15/18 / #20180075872

Near field transducers (nfts) including barrier layer and methods of forming

Devices having an air bearing surfaces (abs), the devices including a near field transducer (nft) that includes a disc having a front edge; a peg, the peg having a front surface at the air bearing surface of the apparatus, an opposing back surface, a top surface that extends from the front surface to the back surface, two side surfaces that expend from the front surface to the back surface and a bottom surface that extends from the front surface to the back surface; and a barrier layer, the barrier layer separating at least the back surface of the peg from the disc and the barrier layer having a thickness from 10 nm to 50 nm.. . ... Seagate Technology Llc

03/15/18 / #20180073135

Near field transducers (nfts) and methods of forming nfts

Devices having an air bearing surface (abs), the device including a near field transducer, the near field transducer having a peg and a disc, the peg having a region adjacent the abs, the peg including a plasmonic material selected from gold (au), silver (ag), copper (cu), ruthenium (ru), rhodium (rh), aluminum (al), or combinations thereof; and at least one other secondary atom selected from germanium (ge), tellurium (te), aluminum (al), antimony (sb), tin (sn), mercury (hg), indium (in), zinc (zn), iron (fe), copper (cu), manganese (mn), silver (ag), chromium (cr), cobalt (co), and combinations thereof, wherein a concentration of the secondary atom is higher at the region of the peg adjacent the abs than a concentration of the secondary atom throughout the bulk of the peg. Methods of forming nfts are also disclosed.. ... Seagate Technology Llc

03/08/18 / #20180067860

Read ahead management in a multi-stream workload

Implementations described and claimed herein provide a method and system for managing execution of commands for a storage device, the method comprising identifying individual streams processing read ahead operations in a storage controller, determining an amount of read ahead data that each individual stream is processing in the read ahead operations, determining a total amount of read cache available for the storage controller, and determining a total amount of read ahead data that all the individual streams are processing in the read ahead operations.. . ... Seagate Technology Llc

03/08/18 / #20180067647

Selectable read modes for a two dimensional magnetic recording system

Two or more read modes of a data storage system and device are defined. The data storage device is capable of concurrently reading from two or more tracks using two or more read transducers. ... Seagate Technology Llc

03/01/18 / #20180063102

Encryption key shredding to protect non-persistent data

Systems and methods for encryption key shredding to protect non-persistent data are described. In one embodiment, the storage system device may include a storage drive and a controller. ... Seagate Technology Llc

03/01/18 / #20180062850

Data security system that uses a repeatable magnetic signature as a weak entropy source

Apparatus and method for data security in a data storage device. In some embodiments, an alternating pattern is written to a magnetic recording medium as a sequence of symbols at a selected clock rate. ... Seagate Technology Llc

03/01/18 / #20180062328

Configured port-width indication for ganged-style connectors

System, methods, and apparatuses for indicating the configured port width for ganged-style data connectors. An exemplary apparatus comprises a plurality of connectors supporting data connections and a plurality of visual indicators. ... Seagate Technology Llc

03/01/18 / #20180061452

Vibration compensation using disk locked clock error

An apparatus includes a disk locked clock system and a feedforward microactuator compensator. The disk locked clock system is configured to estimate a timing error and generate a timing error signal. ... Seagate Technology Llc

03/01/18 / #20180060192

Adaptive failure prediction modeling for detection of data storage device failures

Method and apparatus for predicting data storage device failures using adaptive failure prediction modeling. In some embodiments, monitored parameters are used to predict a potential imminent failure of a first data storage device using a first copy of a first failure prediction model (fpm). ... Seagate Technology Llc

03/01/18 / #20180060162

Auto-recovery of media cache master table data

Apparatus and method for managing a media cache of a data storage device. In some embodiments, a media cache master table is maintained in a memory as a data structure having a plurality of entries that describe data sets stored in a non-volatile media cache memory. ... Seagate Technology Llc

03/01/18 / #20180060161

Patterned bit in error measurement apparatus and method

A method includes detecting different data patterns in data read from a portion of a non-transitory data storage medium. Bit errors in the different data patterns are then determined. ... Seagate Technology Llc

03/01/18 / #20180059955

Hybrid data storage device with partitioned local memory

Apparatus and method for managing data in a hybrid data storage device. In some embodiments, the storage device has a hard disc drive (hdd) controller circuit coupled to non-volatile rotatable storage media and a solid state drive (ssd) controller circuit coupled to non-volatile solid state memory. ... Seagate Technology Llc

02/22/18 / #20180053520

Devices including a difussion barrier layer

Devices having an air bearing surface (abs), the devices including a write pole; a near field transducer (nft) that includes a peg and a disc, wherein the peg is at the abs of the device; a heat sink positioned adjacent the disc of the nft; a dielectric gap positioned adjacent the peg of the nft at the abs of the device; and a conformal diffusion barrier layer positioned between the write pole and the dielectric gap, the disc, and the heat sink, wherein the conformal diffusion barrier layer forms at least one angle that is not greater than 135°.. . ... Seagate Technology Llc

02/15/18 / #20180049349

Ssd internal thermal transfer element

An assembly includes a drive housing and a first printed circuit board (pcb) with at least one solid-state memory component, the first pcb having a first surface, where the first pcb is located within the drive housing. The assembly also includes a second pcb with at least one solid-state memory component, where the second pcb is operatively electronically coupled to the first pcb, the second pcb having a second surface, and where the second pcb is located within the drive housing. ... Seagate Technology Llc

02/15/18 / #20180049331

Pcba cartridge sub-assembly

A memory cartridge for use during assembly of a storage drive apparatus. The memory cartridge includes a first memory printed circuit board (pcb). ... Seagate Technology Llc

02/15/18 / #20180047422

Heat-assisted shingled magnetic recording with variable track widths

A storage device includes a storage controller configured to operate a heat-assisted magnetic recording head to write data to a band of consecutive data tracks in a consecutive track order while selectively alternating a power level of the heat source when writing to some data tracks of the band.. . ... Seagate Technology Llc

02/15/18 / #20180047421

Enlarged substrate for magnetic recording medium

Apparatus and method for magnetic recording media. A rotatable magnetic recording disc has an outermost annular sidewall that extends at nominally 97 millimeters, mm for a 3½ inch form factor data storage device or at nominally 67 mm for a 2½ inch form factor data storage device. ... Seagate Technology Llc

02/15/18 / #20180046571

Code failure locator

A method includes performing an integration test on executable software units. The integration test fails and identifies a symptomatic executable software unit at which the failure of the integration test is detected. ... Seagate Technology Llc

02/15/18 / #20180046543

Erasure codes to prevent lower page corruption in flash memory

Methods and structure for preventing lower page corruption in flash memory. One embodiment is a flash storage device that includes multi-level cell (mlc) flash memory, single-level cell (slc) flash memory, and a controller coupled to the mlc flash memory and the slc flash memory. ... Seagate Technology Llc

02/15/18 / #20180046408

Active power management

Systems and methods for active power management are described. In one embodiment, the systems and methods include obtaining power dissipation metrics for a plurality of components under one or more operating scenarios, generating a reference dissipation model based on the power dissipation metrics of the plurality of components, and implementing the reference dissipation model in a storage system to make component scheduling decisions in relation to power management of the storage system. ... Seagate Technology Llc

02/15/18 / #20180046382

Data storage device performance optimization method and apparatus

A method includes storing a data group in a first zone of a plurality of radial zones of a data storage disc. Each different one of the plurality of zones has a different throughput level. ... Seagate Technology Llc

02/08/18 / #20180040344

Substrate heat channels for heat assisted magnetic recording for reader over writer transducer application

An apparatus includes an apparatus comprising a slider. The slider comprises a substrate comprising a media-facing surface, a first side surface perpendicular to the media-facing surface, and a second side surface opposite the first side surface. ... Seagate Technology Llc

02/08/18 / #20180040342

Te to tm mode converter and method of manufacture

An apparatus includes an input coupler configured to receive light excited by a light source. A near-field transducer (nft) is positioned at a media-facing surface of a write head. ... Seagate Technology Llc

02/08/18 / #20180040341

Magnetic devices with variable overcoats

A magnetic device including: a magnetic reader; a magnetic writer; and a variable overcoat, the variable overcoat positioned over at least the magnetic reader and writer, the variable overcoat having an overcoat layer, the overcoat layer having a substantially constant thickness and material; and at least one disparate overcoat portion, the disparate overcoat portion having a different thickness, a different material, or both, than the overcoat layer.. . ... Seagate Technology Llc

02/08/18 / #20180039426

Data compression using partial statistics

A data storage device includes at least one data storage medium and a controller that is operably coupled to the at least one data storage medium. The controller receives the bit stream in a data storage device and performs a first level of compression on the received bit stream to obtain a symbol frame including a plurality of symbols. ... Seagate Technology Llc

02/01/18 / #20180033457

Direct current magnetoresistive jog offset compensation

Systems and methods for compensating for magnetoresistive (mr) jog offset direct current (dc) drift in a disc drive are described. In one embodiment, a method may include determining an occurrence of nos, for example, by monitoring disc slip, to determine when the method should proceed. ... Seagate Technology Llc

02/01/18 / #20180032432

Weighted data striping

The herein disclosed technology provides techniques for uneven striping of data objects, such as metadata, in a storage device to decrease save times for copying such objects from volatile to non-volatile memory. According to one implementation, a data object is split into multiple differently-sized data segments of variable size based on rates of data transfer to multiple disparate non-volatile receiving devices. ... Seagate Technology Llc

02/01/18 / #20180032264

Reducing read latency

Systems and methods for reducing read latency by storing a redundant copy of data are described. In one embodiment, the systems and methods include identifying data assigned to be written to a page of a storage device, storing the data in a page of a first die of the storage device, and saving at least one codeword from the data to a page of a second die. ... Seagate Technology Llc

02/01/18 / #20180032263

Maximize smr drive capacity

Systems and methods for maximizing shingled magnetic recording (smr) drive capacity are described. In one embodiment, the smr drive may include a main store to store user-accessible data, a media cache and media scratchpad to store internal data temporarily for internal operations, and a storage controller to process read and write requests. ... Seagate Technology Llc

01/25/18 / #20180024942

Using encryption keys to manage data retention

Systems and methods for using encryption keys to manage data retention are described. In one embodiment, the systems and methods may include receiving data such as user data from a host of the storage drive, encrypting the data using an encryption key, writing the encrypted data to the storage drive, and retaining the encrypted data on the storage drive based at least in part on a validity of the encryption key.. ... Seagate Technology Llc

01/25/18 / #20180024742

Storage media performance management

A method or system for determining a required certification level of storage area for storing data of a write request based on a characteristic of the data, selecting a target storage area based on a media certification table and the required determined certification level of the media area and storing data at the target storage area.. . ... Seagate Technology Llc

01/25/18 / #20180024741

Storage media performance management

A method or system for determining a required certification level of storage area for storing data of a write request based on a characteristic of the data, selecting a target storage area based on a media certification table and the required determined certification level of the media area and storing data at the target storage area.. . ... Seagate Technology Llc

01/18/18 / #20180020011

Wireless enabled secure storage drive

Systems and methods for wireless enabled security in relation to a storage drive are described. In one embodiment, the systems and methods may include receiving, at a storage drive, a request from a host of the storage drive. ... Seagate Technology Llc

01/18/18 / #20180019876

Hash authenticated data

Systems and methods for hash authenticated data are described. In one embodiment, the storage device includes a storage drive and/or a controller. ... Seagate Technology Llc

01/18/18 / #20180018469

Encrypting system level data structures

Systems and methods for encrypting system level data structures are described. In one embodiment, a storage system may include a storage drive and at least one controller for the storage drive. ... Seagate Technology Llc

01/18/18 / #20180018269

Limiting access operations in a data storage device

A hybrid data storage device disclosed herein includes a main data store, one or more data storage caches, and a data storage cache management sub-system. The hybrid data storage device is configured to limit write operations on the one or more data storage caches to less than an endurance value for the data storage cache. ... Seagate Technology Llc

01/18/18 / #20180018003

Environmental state profiling for electronics devices in an enclosure

Apparatus and method for environmentally monitoring electronics devices. Each electronics device has an environmental sensor configured to monitor an environmental state. ... Seagate Technology Llc

01/11/18 / #20180012663

Independent read threshold voltage tracking for multiple dependent read threshold voltages using syndrome weights

Independent read threshold voltage tracking techniques are provided for multiple dependent read threshold voltages using syndrome weights. An exemplary method comprises reading codewords of a plurality of pages using different first read threshold voltages and a default second read threshold voltage; applying read values for the plurality of pages for the different first read threshold voltages and the default second read threshold voltage to a decoder; aggregating a syndrome weight for each failed decoding attempt for the different first read threshold voltages; identifying a reading having a substantially minimum syndrome weight as a substantially optimum first read threshold voltage; reading codewords of the plurality of pages using the substantially optimum first read threshold voltage and different second read threshold voltages; applying read values for the substantially optimum first read threshold voltage and the different second read threshold voltages to the decoder; aggregating the syndrome weight for the different second read threshold voltages; and identifying a reading having a substantially minimum syndrome weight as a substantially optimum second read threshold voltage.. ... Seagate Technology Llc

01/11/18 / #20180011761

Hot-read data aggregation and code selection

An apparatus comprises a memory and a controller. The memory generally comprises a plurality of memory modules, each having a size less than a total size of the memory and configured to store data. ... Seagate Technology Llc

01/11/18 / #20180011753

Adaptive read threshold voltage tracking with bit error rate estimation based on non-linear syndrome weight mapping

Adaptive read threshold voltage tracking techniques are provided that employ bit error rate estimation based on a non-linear syndrome weight mapping. An exemplary device comprises a controller configured to determine a bit error rate for at least one of a plurality of read threshold voltages in a memory using a non-linear mapping of a syndrome weight to the bit error rate for the at least one of the plurality of read threshold voltages.. ... Seagate Technology Llc

01/11/18 / #20180011269

Optical connector and circuit board assemblies

An exemplary optical connector assembly may include a substrate of an optical printed circuit board (opcb) with at least one optical device thereon, the substrate including one or more recesses, an optical connector with one or more alignment members for coupling an end of an optical waveguide to the optical device, and one or more inserts, each having an orifice for receiving one of the one or more alignment members and each arranged to be received in one of the one or more recesses. When assembled, the one or more inserts may be received in the one or more recesses and the one or more alignment members may be received in the orifices of the one or more inserts thereby coupling the optical waveguide to the substrate to form the exemplary optical connector assembly.. ... Seagate Technology Llc

01/04/18 / #20180005658

Anti-reflection data storage medium

An anti-reflection storage medium. The anti-reflection storage medium includes a storage layer and a protective overcoat disposed over the storage later. ... Seagate Technology Llc

01/04/18 / #20180005657

Head to media interface monitoring

A storage device disclosed herein includes a transducer head with a proximity sensor that generates head-disc proximity signals, a digitizer configured to convert the analog proximity signals from the proximity sensor to digitized sample data, a discrete wavelet transformation (dwt) module configured to analyze the digitized sample data by performing an enhanced dwt on the digitized sample data to generate dwt coefficients, and a modal filter configured to determine dominant head-disc interference (hdi) modes for a transducer head by analyzing the dwt coefficients.. . ... Seagate Technology Llc

01/04/18 / #20180005656

Bond pad sharing for powering multiple writers of a recording head

A magnetic recording head includes a plurality of writers and at least one reader. The plurality of writers and the reader define a plurality of close points of the head. ... Seagate Technology Llc

01/04/18 / #20180004504

Management of device firmware update effects as seen by a host

The present disclosure relates to systems and methods of device firmware update effects as seen by a computing host. In one example implementation according to aspects of the present disclosure, a method includes executing a first firmware received from a computing host, the first firmware including a first firmware revision identifier, executing a second firmware received from the computing host, and returning the first firmware revision identifier to the computing host during the execution of the second firmware and before an event occurs. ... Seagate Technology Llc

01/04/18 / #20180004454

Implementing scattered atomic i/o writes

Methods, systems, and computer-readable storage media for performing scattered atomic i/o writes in a storage device. A list of block i/o write requests to be completed as an atomic unit is received from a requester with at least two of the block i/o write requests specifying non-contiguous data locations on a storage media. ... Seagate Technology Llc

01/04/18 / #20180004258

Toolless data storage device carrier

A data storage enclosure can house and electrically connect to multiple data storage devices respectively secured by a carrier. A toolless data storage device carrier can be configured with a data storage device disposed between first and second rails and a clip physically contacting each rail while spanning the data storage device. ... Seagate Technology Llc

01/04/18 / #20180001439

Barrier device used in the manufacture of a lapping plate, and related apparatuses and methods of making

The present disclosure includes barrier devices for use in an apparatus used to form lapping plates. The barrier devices can contain liquid on the surface of the lapping plate platen. ... Seagate Technology Llc

12/28/17 / #20170372733

Interconnect interposer attachable to a trailing edge of a slider

A slider of a magnetic recording head comprises a media-facing surface, an upper surface opposing the media-facing surface, a leading edge, and a trailing edge. A plurality of electrical bond pads is disposed in a spaced-apart relationship on the trailing edge of the slider. ... Seagate Technology Llc

12/28/17 / #20170371580

Transient compression layer

A storage device or storage system includes a transient compression layer that is established based on a level of finishedness of the capacity of the storage device or storage system. Data may be compressed and written to the transient compression layer until the capacity is sufficiently finished, after which the compressed data may be destaged and written to the capacity. ... Seagate Technology Llc

12/28/17 / #20170371557

Compression sampling in tiered storage

A method for data steering in tiered storage is described. In one embodiment, the method includes ranking a plurality of storage areas of a storage device according to at least one property of the plurality of storage areas. ... Seagate Technology Llc

12/28/17 / #20170371554

Internal data transfer management in a hybrid data storage device

Apparatus and method for managing data in a hybrid data storage device. In some embodiments, the hybrid data storage device has a hard disc drive (hdd) controller circuit coupled to non-volatile rotatable storage media and a solid state drive (ssd) controller circuit coupled to non-volatile solid state memory. ... Seagate Technology Llc

12/28/17 / #20170370770

Laser power monitoring in a heat-assisted magnetic recording device using a resistive sensor and high-frequency laser modulation

An apparatus comprises a light source configured to generate light, and a modulator coupled to the light source and configured to modulate the light above a predetermined frequency. A slider is configured for heat-assisted magnetic recording and to receive the modulated light. ... Seagate Technology Llc

12/21/17 / #20170367211

Structural electrical grounding for data management systems and related methods

. . A data management system includes a chassis metalwork that is electrically conductive. The chassis metalwork is electrically coupled to the power supply to form a return power path. ... Seagate Technology Llc

12/21/17 / #20170365448

Coil filament for plasma enhanced chemical vapor deposition source

A vapor deposition source that includes a substantially vertical plate to which first and second filament posts are coupled. The vapor deposition source also includes a filament having a first end and a second end. ... Seagate Technology Llc

12/21/17 / #20170365315

Modular magnetoresistive memory

Apparatus and method contemplating a magnetoresistive memory apparatus having a read element having a high resistance material selected to optimize read sensitivity and a write element having a material selected for a lower critical current response than the read element critical current response to optimize switching efficiency, wherein the read element resistance is higher than the write element resistance, and a shared storage space for both elements.. . ... Seagate Technology Llc

12/21/17 / #20170365284

Transducer bar translation system

A plurality of transducer bars may be concurrently translated from a first orientation to a second orientation by a translation system that has first and second plates. The first plate can have a plurality of first notches with each first notch shaped to hold a transducer bar in a horizontal orientation. ... Seagate Technology Llc

12/21/17 / #20170365281

Methods of forming materials for at least a portion of a nft and nfts formed using the same

A method including depositing a plasmonic material at a temperature of at least 150° c.; and forming at least a peg of a near field transducer (nft) from the deposited plasmonic material.. . ... Seagate Technology Llc

12/21/17 / #20170364447

Read cache management

Implementations disclosed herein provide for a storage system including an on-disk read cache and a variety of read cache management techniques. According to one implementation, a storage device controller time-sequentially reads a series of non-contiguous data blocks storing a data sequence in a read cache of a magnetic disk, the data sequence identified by a requested sequence of logical block addresses (lbas). ... Seagate Technology Llc

12/21/17 / #20170364308

System, method, and computer program product for interfacing one or more storage devices with a plurality of bridge chips

Methods, apparatus, and systems, for interfacing one or more storage devices with a plurality of bridge chips. An apparatus may include a memory, a communication bus coupled to a device, and a processor communicatively coupled to the communication bus and the memory. ... Seagate Technology Llc

12/21/17 / #20170364304

Tracking hot areas of disk drive

Methods, apparatuses, systems, and devices are described for determining use of areas of a disk drive. In one method, a score of an area node of the disk drive may be increased each time the area node is accessed during a time interval of a series of time intervals. ... Seagate Technology Llc

12/21/17 / #20170364272

Command tunneling in a hybrid data storage device

Apparatus and method for managing data in a hybrid data storage device. In some embodiments, a hybrid device has a hard disc drive (hdd) controller circuit coupled to non-volatile rotatable media and a solid state drive (ssd) controller circuit coupled to non-volatile solid state memory. ... Seagate Technology Llc

12/21/17 / #20170364128

Data storage enclosure with a stop slot

A data storage enclosure can have one or more data storage devices positioned in an enclosure slot having one or more stops. A data storage device can be attached to a rail having a rail width and having first and second protrusions offset from one another. ... Seagate Technology Llc

12/14/17 / #20170358326

Disc drive actuator assembly with bearing cooling

Various aspects of the present disclosure are directed toward a disc drive actuator assembly including an e-block, a plurality of bearings, and one or more heat transfer components. The heat transfer component(s) operates to conductively draw heat from the plurality of bearings through the e-block, and convectively dissipate the heat into an atmosphere in contact therewith. ... Seagate Technology Llc

12/14/17 / #20170354997

Workpiece cleaning

Certain exemplary aspects of the present disclosure are directed towards apparatuses and methods which autonomously decontaminate parts. Parts to be cleaned are identified, and based on the identification of the part, a part specific cleaning program is initiated. ... Seagate Technology Llc

12/07/17 / #20170352377

Forward corrupted track detection and by-pass for shingled magnetic recording drives

Systems and methods for forward corrupted track detection and by-pass are described. In one embodiment, a storage system comprising a storage controller performs a read operation for a target track of a shingled magnetic recording (smr) disk drive and detects a read operation failure of the read operation for the target track. ... Seagate Technology Llc

12/07/17 / #20170352376

Fragmented data storage bands

An implementation of a system disclosed herein provides a method for managing data streams of sequential nature, wherein the method writes the sequential chunks (fragments) directly to an open band in the order these are received from the host and includes determining an end of the incoming data write request related to streaming data and in response to the determination of the end of the incoming data write request related to streaming data, copying remaining data from a current physical band mapped to logical block addresses lbas related to the data write requests to the allocated (open) band.. . ... Seagate Technology Llc

12/07/17 / #20170352371

Direct current magnetoresistive jog offset compensation

Systems and methods for compensating for magnetoresistive (mr) jog offset direct current (dc) drift in a disc drive are described. In one embodiment, a method may include determining an occurrence of nos, for example, by monitoring disc slip, to determine when the method should proceed. ... Seagate Technology Llc

12/07/17 / #20170352370

Hysteresis compensation in a disc drive

Systems and methods for compensating for hysteresis in a disc drive are described. In one embodiment, a method may use an inverse hysteresis model to linearize effects of hysteresis of a microactuator in the disc drive. ... Seagate Technology Llc

12/07/17 / #20170351632

Interconnect for shared control electronics

A mass data storage system includes a number of communicatively coupled storage drives powered and controlled by shared control electronics. The shared control electronics are configured to transmit analog read/write signals through an interconnect to each of the multiple individually selectable storage drives. ... Seagate Technology Llc

12/07/17 / #20170351582

Technologies for limiting performance variation in a storage device

Systems and methods for limiting performance variation in a storage device are described. Storage devices receive work requests to perform one or more operations from other computing devices, such as a host computing device. ... Seagate Technology Llc

11/30/17 / #20170345448

Near field transducer (nft) including peg and disc of different materials

Devices having air bearing surfaces (abs), the devices include a near field transducer (nft) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the disc material has a first real part of the permittivity and a peg material has a second real part of the permittivity and the second real part of the permittivity is not greater than the first real part of the permittivity.. . ... Seagate Technology Llc

11/30/17 / #20170345447

Method of detecting slider trailing edge for forming electrical connections

A method of forming an electrical interconnection between a first slider pad of a slider and an adjacent first suspension pad of a suspension, wherein the slider is attached to the suspension, including the steps of positioning the suspension and attached slider at a soldering angle, wherein the slider comprises a trailing edge, measuring at least an x-coordinate and a z-coordinate of a trailing edge of the slider to determine a position of the trailing edge of the slider, analyzing the position of the trailing edge of the slider to determine a bonding location of the slider, positioning a capillary tube above the suspension pad and slider at a distance calculated from the bonding location of the slider, and dispensing solder from the capillary tube for contact with the first slider pad and the first suspension pad.. . ... Seagate Technology Llc

11/30/17 / #20170344279

Save critical data upon power loss

Systems and methods for saving critical data upon power loss are described. In one embodiment, the systems and methods include performing a write operation to a first track of a storage drive, monitoring a voltage level of a storage drive to detect power loss on the storage drive while performing the write operation, identifying a track id of a second track adjacent to the first track upon detecting power loss on the storage drive, and storing the identified track id in a non-volatile memory on the storage drive.. ... Seagate Technology Llc

11/23/17 / #20170338829

Solid state microwave generator

An apparatus includes a spin torque oscillator, a sensor, and a processing unit. The spin torque oscillator is configured to receive a current and to generate a microwave output signal. ... Seagate Technology Llc

11/23/17 / #20170338828

Solid state microwave generator

A spin torque oscillation generator includes a spin reference layer and a spin oscillation layer. The spin reference layer has a first magnetization direction. ... Seagate Technology Llc

11/23/17 / #20170337943

Methods of forming near field transducers and near field transducers formed thereby

A method of forming a near field transducer (nft), the method including the steps of depositing a primary material; and implanting a secondary element, wherein both the primary material and the secondary element are chosen such that the primary material is densified via implantation of the secondary element.. . ... Seagate Technology Llc

11/23/17 / #20170335463

Stream flow sparger for electroless nickel plating

Systems and methods for nickel plating include providing a tank that retains a plating bath into which a substrate is submerged, and creating a horizontal flow of processing solution in the plating bath to assist in carrying contaminants out of the plating bath. A sparger box may be positioned in the tank to deliver the processing solution into the plating bath in a horizontal direction. ... Seagate Technology Llc








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