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Seagate Technology Llc
Seagate Technology Llc_20100107
Seagate Technology Llc On Behalf Of Xyratex Technology Limited A Seagate Company
Seagate Technology Llc_20100114
Seagate Technology Llc_20100121
Seagate Technology Llc_20131212
Seagate Technology Llc_20100128

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  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. Environmental control logic, including computer instructions stored in the memory, is configured to simultaneously query, with respect to a global clock, at least a subset of the electronics devices... Seagate Technology Llc

 new patent  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... Seagate Technology Llc

 new patent  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. In some embodiments, the at least one controller may be configured to identify user data assigned to be stored... Seagate Technology Llc

 new patent  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. In some embodiments, the controller is configured to identify data to be authenticated, compute a first hash of the data using a hash function, detect a trigger event... Seagate Technology Llc

 new patent  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. In some cases, the request may be received via a wired connection... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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. The controller may be configured to process a plurality of read/write operations, classify data pages from... Seagate Technology Llc

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... Seagate Technology Llc

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. The present disclosure also involves related methods.... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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. The plurality of writers are spaced apart from one another in a cross-track direction and positioned in the same plane... Seagate Technology Llc

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... Seagate Technology Llc

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. The protective overcoat has a first refractive index value that is matched to a second refractive index value of the storage layer to reduce reflection of incident light applied... Seagate Technology Llc

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. A resistive sensor is integral to the slider... Seagate Technology Llc

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. A local... Seagate Technology Llc

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. In some embodiments, the plurality of storage areas include at least a... Seagate Technology Llc

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... Seagate Technology Llc

Hybrid data storage device with embedded command queuing

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 storage media and a solid state drive (SSD) controller circuit coupled to non-volatile solid state memory. A top level controller... Seagate Technology Llc

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. An interconnect interposer is connected to... Seagate Technology Llc

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. The first and second... Seagate Technology Llc

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. A top level controller circuit... Seagate Technology Llc

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. When... Seagate Technology Llc

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. The processor may be configured to implement storage... Seagate Technology Llc

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... Seagate Technology Llc

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

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... Seagate Technology Llc

Lubricant compositions

n and m are the same or different.... Seagate Technology Llc

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. The filament provides a substantially concentric source of electrons. The first end of the filament... Seagate Technology Llc

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. The return power path may include a sub-chassis frame and a drawer frame. The return power path may also include uninsulated return... Seagate Technology Llc

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... Seagate Technology Llc

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. During the cleaning, the part is manipulated about a gas supply in... Seagate Technology Llc

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... 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. Completing the work requests may take a response time. In some embodiments, if the response time... 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. The interconnect bi-directionally couples the control electronics... 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. The hysteresis model may be a Coleman-Hodgdon hysteresis model. The hysteresis of the microactuator... 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. An MR jog offset DC... 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... 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... 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... 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... 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... 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... 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 / #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. The spin reference layer is configured to receive a current and generate a spin-polarized current. The spin oscillation layer has a second magnetization direction. The second... 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. The sensor is configured to detect the microwave output signal and to detect changes to frequency of the detected microwave... Seagate Technology Llc

11/16/17 / #20170329525

Enhanced read recovery based on write time information

Systems and methods for enhanced read recovery based on write time information are described. In one embodiment, the systems and methods include opening a block of flash memory cells for programming, tracking a block open time, and performing a read operation of a programmed page from the block based at... Seagate Technology Llc

11/16/17 / #20170329532

Data refresh in flash memory

Systems and methods for improving data refresh in flash memory are described. In one embodiment, the method includes identifying a first garbage collection unit (GCU) of the storage system, computing a parity function in relation to the first GCU, identifying a data impairment in a first block, the first block... Seagate Technology Llc

11/16/17 / #20170329550

Method and rapid volume reformatting

A storage controller is provided. The storage controller includes circuitry configured to utilize a format command to change a storage volume coupled to the storage controller from a first format to a second format and memory configured to store a data structure for first and second format indications for the... Seagate Technology Llc

11/16/17 / #20170329686

Rapid system debugging using finite state machines

Systems and methods for improving system debugging using finite state machines are described. In one embodiment, the systems and methods includes selecting, by a first multiplexor, a period of a timer tick for one or more blocks of a system on a chip (SoC), comparing, by a first comparator, a... Seagate Technology Llc

11/16/17 / #20170329706

Volatile cache reconstruction after power failure

The disclosed technology provides for off-loading dirty data from a volatile cache memory to multiple non-volatile memory devices responsive to detection of a power failure. The arrangement of the dirty data is describable by a cache image, which is reconstructed within the volatile memory from the non-volatile memory devices responsive... Seagate Technology Llc

11/16/17 / #20170329707

Cache offload across power fail

The disclosed technology provides for selection of a subset of available non-volatile memory devices in an array to receive a dirty cache data of a volatile cache responsive to detection of a power failure. In one implementation, the selection of the non-volatile memory devices is based on one or more... Seagate Technology Llc

11/16/17 / #20170330587

Variable written track widths for attribute-based storage

A storage device controller is configured to select one of multiple written track widths for a storage location based on a write attribute of data to be recorded at the storage location. According to one implementation, the storage device controller is further configured to select a power level for a... Seagate Technology Llc

11/16/17 / #20170330591

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

11/16/17 / #20170330601

Methods and devices for sealing hard drives

A hard drive includes a base deck with sidewalls to define a cavity. The hard drive further includes a weld lip that is positioned along and extends from the sidewalls. The weld lip includes a thermal choke that is configured to reduce heat transfer from the weld lip to the... Seagate Technology Llc

11/09/17 / #20170322750

Systems and methods for latency based data recycling in a solid state memory system

Systems and method relating generally to solid state memory, and more particularly to systems and methods for recycling data in a solid state memory. The systems and methods include receiving a data set maintained in a memory device, applying at least one iteration of a data decoding algorithm to the... Seagate Technology Llc

11/09/17 / #20170322751

I/o device and computing host interoperation

Methods, systems and computer-readable storage media for receiving, via an external interface of a storage device, a command from a computing host, the command including at least one non-standard command modifier, executing the command according to a particular non-standard command modifier, storing an indication of the particular non-standard command modifier... Seagate Technology Llc

11/09/17 / #20170322844

Super-parity block layout for multi-reader drives

System, methods, and apparatuses for storing data in a disk-based storage device incorporating multiple readers per recording surface to reduce recovery time from read errors using super-parity. An exemplary storage device comprises a read/write head and an associated recording surface. The read/write head has a plurality of readers configured to... Seagate Technology Llc

11/09/17 / #20170323121

Storage device tampering detection

Apparatus (400, 500) and method (200, 220, 240, 260, 280, 300) for detecting unauthorized tampering with a data storage device (100, 110, 140, 520). In some embodiments, the data storage device has a housing (112, 142) and a memory (192) supported by the housing. A first identifier value (202A, 222A,... Seagate Technology Llc

11/02/17 / #20170315975

Annotations for digital media items during capture

Systems and methods related to audio annotations for a media item. A method includes receiving an input to enter a content capture mode. The method further includes initiating capture of an audio annotation in response to entering the content capture mode. The method also includes acquiring a first media item.... Seagate Technology Llc

11/02/17 / #20170315976

Annotations for digital media items post capture

Systems and methods related to audio annotations for a media item. A method includes receiving a selection of a first media item. The method further includes presenting a representation of the first media item via an electronic display. The method also includes receiving the audio annotation in an electronic audio... Seagate Technology Llc

11/02/17 / #20170316793

Multipiece near field transducers (nfts)

Devices having air bearing surfaces (ABS), the devices including 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 at least one of a portion... Seagate Technology Llc

11/02/17 / #20170316796

Gimbal assembly with linear actuators that cause rotation of a slider

A gimbal assembly includes a flex circuit with a first end extending along a loadbeam and second end having bond pads configured to be electrically coupled to a slider. The gimbal assembly includes a metallic layer with a fixed portion fixably attached to the loadbeam and a movable portion fixably... Seagate Technology Llc

Patent Packs
11/02/17 / #20170316800

Apparatuses and methods for absorbing optical energy

An apparatus including a heat sink layer and a magnetic recording layer over the heat sink layer. In addition, a thermochromic layer is over the heat sink layer, wherein the thermochromic layer includes a first optical absorbance at a first temperature and a second optical absorbance at a second temperature.... Seagate Technology Llc

11/02/17 / #20170316804

Laser mode hopping detection a heat-assisted magnetic recording device

An apparatus and method provide for performing, using a heat-assisted magnetic recording head, multiple sequential writes to a recording medium, and recording a metric of write performance for each of the writes. The apparatus and method further provide for calculating fluctuations in the metric, detecting whether the head has a... Seagate Technology Llc

10/26/17 / #20170304988

Lapping plate and making

The present disclosure involves a method of making a lapping plate by coating a platen with solid resin powder, abrasive particles, and an aqueous carrier followed by evaporating the aqueous carrier and curing the solid resin powder to form an abrasive coating. The present disclosure also involves related lapping plates.... Seagate Technology Llc

10/26/17 / #20170304989

Lapping plate and making

The present disclosure involves a method of making a lapping plate by electrostatically coating a platen with solid resin powder and abrasive particles followed by curing the solid resin powder to form an abrasive coating. The present disclosure also involves related lapping plates.... Seagate Technology Llc

10/26/17 / #20170307976

Methods and apparatuses for directed self-assembly

Provided herein is a method, including creating a first layer over a substrate, wherein the first layer is configured for directed self-assembly of a block copolymer thereover; creating a continuous second layer over the first layer by directed self-assembly of a block copolymer, wherein the second layer is also configured... Seagate Technology Llc

10/26/17 / #20170308114

Methods and devices for sealing hard drives

A hard drive includes a base deck and process cover that define a cavity for housing data storage components. The hard drive further includes a final cover that is placed over the process cover and is coupled to the base deck. The final cover and process cover are directly coupled... Seagate Technology Llc

10/26/17 / #20170308429

Proactive cloud orchestration

Methods, systems, and devices are described for providing proactive cloud orchestration services for a cloud hardware infrastructure. A health management system may monitor component(s) of the cloud hardware infrastructure. The health management system may determine a failure probability metric for the component(s) based on the monitoring of the component and... Seagate Technology Llc

10/26/17 / #20170309312

Methods and devices for detecting shock events

An apparatus includes an actuator assembly, a dampening assembly coupled to the actuator assembly, and a vibration sensor assembly coupled to the dampening assembly and coupled to the actuator assembly by way of the dampening assembly. A method includes attaching a dampening assembly to an actuator assembly and attaching a... Seagate Technology Llc

10/26/17 / #20170311486

Modular fan assembly

A modular fan assembly for use in a multi-device storage enclosure. In some embodiments, the fan assembly has a rigid open frame with opposing first and second ends. A first fan is connected to the first end and a second fan is connected to the second end. The first and... Seagate Technology Llc

10/26/17 / #20170311486

Modular fan assembly

A modular fan assembly for use in a multi-device storage enclosure. In some embodiments, the fan assembly has a rigid open frame with opposing first and second ends. A first fan is connected to the first end and a second fan is connected to the second end. The first and... Seagate Technology Llc

10/19/17 / #20170300232

Snap tree arbitrary replication

Systems and methods for replicating a snapshot of a volume are described. In one embodiment, a storage controller of a storage system may be operable to initialize a first replication process between a first storage volume of the first storage system and a second storage volume of a second storage... Seagate Technology Llc

10/19/17 / #20170300247

Intelligent snapshot tree replication

Systems and methods for intelligent replication of a snapshot tree are described. In one embodiment, a first storage system may include a storage controller. In some embodiments, the storage controller may be operable to replicate a first storage volume of a first storage system and a first user snapshot of... Seagate Technology Llc

10/12/17 / #20170294199

Magnetoresistive sensor fabrication

Implementations described and claimed herein include a reader structure, comprising a first reader, including a sensor stack and a top shield structure, the top shield structure comprises a synthetic antiferromagnetic shield (SAF) structure, including a reference layer including at least a layer of NiFe and an impurity additive, an RKKY... Seagate Technology Llc

10/12/17 / #20170294201

Devices including at least one adhesion layer and methods of forming adhesion layers

Devices that include a near field transducer (NFT), the NFT having at least one external surface; and at least one adhesion layer positioned on at least a portion of the at least one external surface, the adhesion layer including oxides of yttrium, oxides of scandium, oxides of lanthanoids, oxides of... Seagate Technology Llc

10/05/17 / #20170286305

Prefetch command optimization for tiered storage systems

A system is provided. The system includes a storage controller configured to receive a prefetch command from a host interface. The storage controller includes a read cache memory that stores prefetch data in response to the prefetch command and a plurality of storage tiers coupled to the storage controller and... Seagate Technology Llc

Patent Packs
10/05/17 / #20170286319

Securing information relating to data compression and encryption in a storage device

Apparatus and method for data security in a data storage environment. In some embodiments, input data from a host is received into a buffer memory. Data compression is applied to the input data to provide compressed data. Encryption is applied to the compressed data to generate encrypted data, and the... Seagate Technology Llc

10/05/17 / #20170287514

Read/write head with integrated switch network

A read/write head has a set of components that at least include: at least one clearance actuator; at least one read transducer configured to read from a magnetic recording medium; and at least one write transducer configured to write to the magnetic recording medium. A switch network is coupled to... Seagate Technology Llc

10/05/17 / #20170287567

Systems and methods for sub-zero threshold characterization in a memory cell

Systems and methods relating generally to data processing, and more particularly to systems and methods for characterizing a solid state memory. In one embodiment, the systems and methods may include programming a first cell of a solid state memory device to a negative voltage, programming a second cell of the... Seagate Technology Llc

10/05/17 / #20170287512

Data reader with spin filter

A data reader may be configured with at least a detector stack positioned on an air bearing surface and consisting of a spin accumulation channel continuously extending from the air bearing surface to an injector stack. The injector stack can have at least one cladding layer contacting the spin accumulation... Seagate Technology Llc

09/28/17 / #20170277444

Dynamic bandwidth reporting for solid-state drives

An apparatus includes a memory and a controller. The memory may be configured to store data. The controller may have a plurality of tables. The controller is generally configured to process a plurality of input/output requests to read/write to/from the memory, track a plurality of statistics of the memory, index... Seagate Technology Llc

09/28/17 / #20170277448

End of life extension of solid state memory

Method and apparatus for managing a solid state memory, such as but not limited to a NAND flash memory. In some embodiments, a storage device includes a non-volatile solid state memory and a control circuit configured to transfer user data between the memory and a host device. The control circuit... Seagate Technology Llc

09/28/17 / #20170277450

Lockless parity management in a distributed data storage system

Method and apparatus for managing data in a distributed data storage system. In some embodiments, a plurality of storage devices define an overall available memory space. A control circuit stores a first copy of user data from a selected distributed data set in a working set of memory buffers, stores... Seagate Technology Llc

09/28/17 / #20170278529

Magnetoresistive sensor with enhanced uniaxial anisotropy

A read sensor that includes a free layer having a magnetization that changes according to an external magnetic field. The read sensor also includes an additional magnetic layer and a non-magnetic layer. The non-magnetic layer may include a corrugated surface facing the additional magnetic layer. The corrugated surface is configured... Seagate Technology Llc

09/21/17 / #20170269855

Techniques for reducing memory write operations using coalescing memory buffers and difference information

The present disclosure relates to examples of reducing memory write operations using coalescing memory buffers. In one example implementation according to aspects of the present disclosure, a method comprises computing a difference between a current state of data of at least one block of a storage device to which data... Seagate Technology Llc

09/14/17 / #20170263276

Devices including a near field transducer and at least one associated adhesion layer

Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the five surfaces of the peg, the adhesion layer including one or more of the... Seagate Technology Llc

09/14/17 / #20170263282

Bolometer for internal laser power monitoring in heat-assisted magnetic recording device

An apparatus comprises a slider having an air-bearing surface (ABS), a write pole at or near the ABS, and a reader at or near the ABS and connected to a pair of reader bond pads of the slider. A near-field transducer (NFT) is formed on the slider at or near... Seagate Technology Llc

09/07/17 / #20170255211

Method and controlling the temperature of components

A method and apparatus for the temperature control of a component within a storage system wherein the storage system includes a heat exchanger in thermal communication with the component to control the temperature of the component. One method includes: generating a flow of heat transfer fluid through the heat exchanger... Seagate Technology Llc

09/07/17 / #20170255556

Workload detection and media cache management

Implementations disclosed herein include a method comprising detecting a workload request from a host, estimating a media cache fill-up rate based on the detected workload request, estimating a current media cache usage, predicting, based on the detected workload request, the estimated media cache fill-up rate and the estimated current media... Seagate Technology Llc

09/07/17 / #20170256275

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... Seagate Technology Llc

09/07/17 / #20170256277

Offset waveguide system with a mode converter and a tapered bend

A read/write head has an input coupler that receives light at a fundamental mode from an energy source. A mode converter of the read/write head converts light from the fundamental mode to a higher-order mode. The read/write head has a bent waveguide coupled to the mode converter at an interface.... Seagate Technology Llc

08/31/17 / #20170249206

On-the-fly error detection algorithm during retry procedure

Technologies are described herein for or enhancing error recovery procedures in a storage device by utilizing on-the-fly error type detection. After a read error has occurred, a number of read retries are performed through an adaptive read channel in the storage device. The current channel parameters of the adaptive read... Seagate Technology Llc

08/31/17 / #20170249958

Nft with mechanically robust materials

A recording head includes a near-field transducer proximate a media-facing surface. The near-field transducer comprises an aperture portion surrounded by walls of plasmonic material, the walls oriented normal to the media-facing surface. A notch protrudes within the aperture. The notch comprises at least one of Rh and Ir. A write... Seagate Technology Llc

08/31/17 / #20170249962

Waveguide light delivery with subwavelength mirror for heat-assisted magnetic recording

A recording head has a near-field transducer proximate a media facing surface of the read/write head. A waveguide overlaps and delivers light to the near-field transducer. A subwavelength focusing mirror is at an end of the waveguide proximate the media-facing surface. The subwavelength focusing mirror recycles a residual transverse field... Seagate Technology Llc

08/31/17 / #20170249967

Enlarged substrate for magnetic recording medium

An enlarged substrate configuration for magnetic recording media. In some embodiments, an apparatus comprises a disc shaped member of metal or glass configured as a substrate for a magnetic data recording disc for a 2½ inch form factor data storage device or a 3½ inch form factor data storage device.... Seagate Technology Llc

08/31/17 / #20170251050

Cloud storage accelerator

Systems and methods are disclosed for accelerating the delivery of a data file. The data file may be uploaded to a content accelerator connected to a local area network. At some later point in time, the data file may be uploaded to a cloud storage provider based on the status... Seagate Technology Llc

08/31/17 / #20170251573

Fluid connectors for modular cooling systems

Methods, apparatuses, and systems for fluid connections in modular cooling systems for cooling electronic components installed in equipment racks. A cold plate is positioned adjacent to a support manifold in a mated position, where the cold plate comprises a plate connector. The plate connector comprises a plate outer sleeve and... Seagate Technology Llc

08/31/17 / #20170249961

Data reader with pinned front shield

A data reader may have a magnetoresistive stack consisting of at least magnetically free and magnetically fixed structures. The magnetically fixed structure can be set to a first magnetization direction by a first pinning structure separated from an air bearing surface by a front shield portion of a magnetic shield.... Seagate Technology Llc








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