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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
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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  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... Seagate Technology Llc

 new patent  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... Seagate Technology Llc

 new patent  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. The controlling of the access affects a temperature... Seagate Technology Llc

 new patent  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. A waveguide of the slider comprises a waveguide core tapering from a first portion having a first cross sectional width to a second portion having... Seagate Technology Llc

 new patent  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

 new patent  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... Seagate Technology Llc

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. A marker characteristic of... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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. A media cache provides a non-volatile data storage area.... Seagate Technology Llc

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. The active fiber composite can be configured with at least one active fiber contacting a supporting... Seagate Technology Llc

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

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... Seagate Technology Llc

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. The controller is operable to process a write I/O request from a first of the host systems, to determine an identity of... Seagate Technology Llc

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... Seagate Technology Llc

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,... Seagate Technology Llc

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. The microactuator control circuitry includes a microactuator disturbance observer configured to generate a microactuator disturbance compensation signal. The VCM disturbance... Seagate Technology Llc

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. A light source is configured to focus a first light with a first energy on one of the storage locations in... Seagate Technology Llc

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

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. One or more acoustic... Seagate Technology Llc

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... Seagate Technology Llc

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. One of... Seagate Technology Llc

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. The electronics may include... Seagate Technology Llc

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

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. A first recording measurement is performed on one or more storage media using the first writer. A second recording... Seagate Technology Llc

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. The PCBA includes a first configuration element operatively mounted... Seagate Technology Llc

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),... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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... Seagate Technology Llc

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. The read modes utilize different numbers of the two or more read transducers while reading data.... Seagate Technology Llc

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... Seagate Technology Llc

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. A local volatile memory... Seagate Technology Llc

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. Further, bits in error for a total number of bits in each of the different data patterns are calculated from the... 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. A first timecode stamp... 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). Data associated with the predicted potential... 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. The feedforward microactuator compensator is configured to generate a microactuator compensation signal, without use of a vibration sensor signal,... 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. The plurality of connectors are capable of being configured with two or more of the plurality of connectors ganged... 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. A repeatable magnetic signature is generated by reading the alternating pattern from the medium, the magnetic... 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. In some embodiments, the controller may be configured to power on the storage drive, identify an encryption key on the storage drive... 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... 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. The method further includes obtaining information related to an access frequency of the data group... 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... 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. The controller is configured to program... 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. One or more modified source code files, including instructions likely responsible for the failure of the integration test,... 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. The rotatable magnetic... 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 / #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). The memory cartridge also includes a second memory PCB, where the second memory PCB is operatively coupled to the first memory PCB by a first flexible connection.... 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... 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... 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,... Seagate Technology Llc

02/08/18 / #20180040342

Te to tm mode converter and 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. A layered waveguide is positioned between the input coupler and the NFT and configured to receive the light output from the... 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. A heat sink layer is formed proximate to and thermally coupled to the first... 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... 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... 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... 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. An MR jog offset DC... 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... 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... 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,... 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. 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

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... 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. In some embodiments, the at least one controller may be configured to identify user data assigned to be stored... 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. 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

Patent Packs
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. In some cases, the request may be received via a wired connection... 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... 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... 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. The controller may be configured to process a plurality of read/write operations, classify data pages from... 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... 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. The present disclosure also involves related methods.... 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... 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... 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... 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. The plurality of writers are spaced apart from one another in a cross-track direction and positioned in the same plane... 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... 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. 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

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. A resistive sensor is integral to the slider... 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. A local... 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. In some embodiments, the plurality of storage areas include at least a... Seagate Technology Llc

Patent Packs
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... Seagate Technology Llc

12/28/17 / #20170371589

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

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. An interconnect interposer is connected to... 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. The first and second... 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. A top level controller circuit... 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. When... 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. The processor may be configured to implement storage... 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... 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 / #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... Seagate Technology Llc

12/21/17 / #20170365287

Lubricant compositions

n and m are the same or different.... 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. The filament provides a substantially concentric source of electrons. The first end of the filament... 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. 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

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








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