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Hgst Netherlands B v patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hgst Netherlands B v-related inventors


High availability state machine and recovery

Embodiments of the present invention provide systems and methods for recovering a high availability storage system. The storage system includes a first layer and a second layer, each layer including a controller board, a router board, and storage elements. When a component of a layer fails, the storage system continues... Hgst Netherlands B v

Perpendicular magnetic recording media having an extremely low hk layer

A magnetic media for magnetic data recording having reduced signal noise. The magnetic media includes a magnetic recording layer that has first, second and third portions. The first portion at the bottom of the magnetic recording layer includes an oxide and has a high anisotropy field. The third portion, located... Hgst Netherlands B v

Multi-stream journaled replay

A method of indirection replay for a flash storage system includes writing data, in a host stream, to blocksets of the flash storage system. The host blocksets are assigned a major sequence number incremented from the most recently closed host blockset. The method includes writing an indirection journal to each... Hgst Netherlands B v

Bit-level indirection defragmentation

In general, techniques are described for logical defragmenting of a storage device. A controller of a storage device groups sequential logical block addresses of a logical span into a plurality of groups. Each group includes a same number of logical block addresses, and each logical block address references a physical... Hgst Netherlands B v

Storage anomaly detection

The technology described in this document is, among other things, capable of efficiently monitoring storage device signal data for anomalies. In an example method, signal data for a plurality of non-transitory storage devices is collected. The method determines a hyper feature representation from the collected signal data and computes, using... Hgst Netherlands B v

Thermal management of selector

A non-volatile memory device that limits the temperature excursion of a selector during operation to enhance the cycling life of the non-volatile memory device. A selector, in line with a memory element, may be degraded with repeated temperature excursions as current passes through a stack during the read/write process. The... Hgst Netherlands B v

Internally preconditioning solid state drives for various workloads

Systems and methods for internally preconditioning SSDs for various workloads are disclosed. One such method involves (1) receiving preconditioning parameters including an invalidity distribution across ribbons, a transfer size of workloads, and a randomness of workloads, (2) generating workload data including a percentage of random data and a percentage of... Hgst Netherlands B v

Systems and methods for programming data to storage devices

Receiving one or more first write commands to write a first set of data to a storage device. The first set of data is programmed in a plurality of memory cells in the storage device using a first plurality of program levels available in the plurality of memory cells. One... Hgst Netherlands B v

Compression of indirection tables

In general, techniques are described for compressing an indirection table. A device comprising a processor and a memory may be configured to perform the techniques. The processor may be configured to form a plurality of physical containers, each of the plurality of physical containers representative of a plurality of physical... Hgst Netherlands B v

Managing far and near track erasure by dynamic control of a write current parameter of a magnetic disk drive

A method may include causing a write head of a magnetic data storage drive to write a first portion of data to a magnetic data storage device of the magnetic data storage drive based at least in part on a first value of at least one parameter of a write... Hgst Netherlands B v

Thermal aware workload scheduling

Systems, software, devices, and methods of distributing a workload among available data storage devices in a thermal aware manner are described herein. More specifically, the examples herein discuss distributing the workload among the available data storage devices in a thermal aware manner that optimizes collective IOPs of the data storage... Hgst Netherlands B v

Incremental snapshot based technique on paged translation systems

A system comprising a processor and a memory storing instructions that, when executed, cause the system to identify a plurality of dump units associated with a translation table in a storage device, determine a plurality of snapshot markers associated with the plurality of dump units, calculate a first value of... Hgst Netherlands B v

Unified paging scheme for dense and sparse translation tables on flash storage systems

A system comprising a processor and a memory storing instructions that, when executed, cause the system to receive a first translation table entry for a logical block, map the first translation table entry to a first dump unit, the first dump unit included in an array of dump units, identify... Hgst Netherlands B v

Checkpoint based technique for bootstrapping forward map under constrained memory for flash devices

A system comprising a processor and a memory storing instructions that, when executed, cause the system to determine a first value of a first checkpoint associated with a first snapshot, receive a second value of a second checkpoint associated with a translation table entry from an additional source, determine whether... Hgst Netherlands B v

Translation lookup and garbage collection optimizations on storage system with paged translation table

A system comprising a processor and a memory storing instructions that, when executed, cause the system to receive a request for garbage collection, identify a range of physical blocks in a storage device, query a bitmap, the bitmap having a bit for each physical block in the range of physical... Hgst Netherlands B v

Efficient management of paged translation maps in memory and flash

A system comprising a processor and a memory storing instructions that, when executed, cause the system to receive a request to select translation table entries to store in a storage device, determine a plurality of translation table entries associated with a dump unit, allocate the plurality of translation table entries... Hgst Netherlands B v

Surface treatment of magnetic recording heads for improving the robustness thereof

In one embodiment, a method includes forming a structure having a first region including a ceramic material, a second region including a plurality of particles disposed in a ceramic matrix material, and a magnetic head assembly disposed in the first region. The method also includes directing a first ion beam... Hgst Netherlands B v

Microwave assisted magnetic recording head having spin torque oscillator frequency detection

A magnetic write head having a spin torque oscillator with a magnetic field sensor for accurately determining magnetic field oscillation frequency. The spin torque oscillator has one or more tunnel junction (TMR) sensors formed at the side of the spin torque oscillator. The TMR sensor advantageously detects a magnetic field... Hgst Netherlands B v

Provisioning the hyper-converged infrastructure bare metal systems from the top of the rack switch

Methods and devices for provisioning a hyper-converged infrastructure of bare metal systems are disclosed herein. Two fabric elements are configured in a master-slave arrangement to ensure high availability. ONIE capable fabric elements may be pre-installed with an operating system as firmware to run open network operating systems, such as Linux.... Hgst Netherlands B v

Protecting data in a storage device

A first data encryption key is stored on a storage device. The first data encryption key, a first key encryption key obtained from first information received from a host system, and second information that is received from a source other than the host system are used to generate a second... Hgst Netherlands B v

Within-row wedge angle control for magnetic recording read-write heads

A process for lapping a row of head sliders involves fixing the row to a lapping tool fixture, actuating each of multiple force pins to set each head slider for lapping to a respective target wedge angle, and simultaneously lapping accordingly. Each target wedge angle may be achieved by applying... Hgst Netherlands B v

Magnetic recording head test fixture having wrap-around contact pads

A test fixture for testing magnetic heads to be used in a magnetic data recording system. The test fixture includes a test fixture body that includes lead terminals. The lead terminals, which can be constructed of Si have a top surface and first and second laterally opposed sides. An electrically... Hgst Netherlands B v

Ots for nvm array select lines

The present disclosure generally relates to non-volatile memory arrays and memory devices in which a leakage current through an OTS is utilized to pre-charge a circuit of a memory chip. By running an additional wire on each side of a tile which is orthogonal to, above, or below the X... Hgst Netherlands B v

Bi-directional rram decoder-driver

The present disclosure generally relates to the fabrication of and methods for creating a reversible tri-state memory device which provides both forward and reverse write and read drive to a bi-directional RRAM cell, thus allowing writing in the forward and reverse directions. The memory device, however, utilizes a single transistor... Hgst Netherlands B v

Stackable sleds for storing electronic devices

Described herein is a first system that includes sleds each having sidewalls, a mounting plate, and a first cover. The first cover is movable relative to the sidewalls between a closed position and an open position. The first cover includes at least one first opening. The system additionally includes at... Hgst Netherlands B v

Compression and caching for logical-to-physical storage address mapping tables

A storage device that maps logical addresses to physical addresses includes a memory that stores machine instructions and a processor coupled to the memory that executes the machine instructions to store a compressed mapping table in the memory. The compressed mapping table correlates logical addresses to locations in a storage.... Hgst Netherlands B v

Non-volatile schottky barrier field effect transistor

The present disclosure generally relates to an apparatus for high density memory with integrated logic. A three terminal ReRAM device, which includes a p-n junction and a Schottky barrier, that can switch from a low resistive state to a high resistive state is provided. The Schottky transistor memory device includes... Hgst Netherlands B v

Non-volatile double schottky barrier memory cell

A three terminal ReRAM device, which combines a Schottky barrier transistor and a Schottky barrier ReRAM into a single device is provided. The Schottky transistor memory device includes a source region, a drain region, and a gate electrode. Between the source and drain regions, the ReRAM material is present. The... Hgst Netherlands B v

Sot mram cell with perpendicular free layer and its cross-point array realization

The present disclosure generally relates to a SOT-MRAM cell that has a spin Hall effect layer and a magnetic tunnel junction. The magnetic tunnel junction is disposed at an edge of the spin Hall effect layer. In order to write the cell, current is applied through the spin Hall effect... Hgst Netherlands B v

Apparatuses, systems, and methods for processing semiconductor components

Described herein is an apparatus, for processing semiconductor components, includes support surfaces and flexible couplings. The support surfaces are parallel to a first direction and spaced apart from each other in a second direction, perpendicular to the first direction. Moreover, the support surfaces are translationally movable relative to each other... Hgst Netherlands B v

Sealed bulkhead electrical feed-through positioning control

An electrical feed-through, such as a PCB connector, involves at least one positioning protrusion protruding from a main body, and may further include multiple positioning protrusions protruding in respective directions from the main body. A data storage device employing such a feed-through comprises an enclosure base with which the feed-through... Hgst Netherlands B v

Error-laden data handling on a storage device

In one example, the disclosure is directed to error-correcting code techniques for managing data in a hard drive. In some examples, a controller of a hard disk drive may cause data including a data band and an associated parity sector to be retrieved from non-volatile memory. The data band may... Hgst Netherlands B v

Tape array electrical lapping guide design for small stripe tmr sensor

A magnetic tape recording module having electrical lapping guides located within and adjacent to an array of magnetic read/write elements. Electrical leads connected with the electrical lapping guides are buried deep within the head build, close to the substrate so that they can pass beneath the electrical leads of the... Hgst Netherlands B v

Programmable error-correcting code for a host device

In one example, the disclosure is directed to error-correcting code techniques for managing data by a host device. In some examples, in writing the data, a host device receives parity data, data and one or more error pointers from a storage device. Each respective error pointer references a location of... Hgst Netherlands B v

Hamr thermal sensor with fast response time

Embodiments disclosed herein generally relate to a method for monitoring optical power in a HAMR device. In one embodiment, the method includes enhancing a thermal sensor bandwidth through advanced electrical detection techniques. The advanced electrical detection techniques include obtaining calibration waveform data for a thermal sensor by calibrating the thermal... Hgst Netherlands B v

11/16/17 / #20170329640

Systems and methods for designating storage processing units as communication hubs and allocating processing tasks in a storage processor array

Systems and methods for designating a storage processing unit as a communication hub(s) in a SSD storage system are provided. The storage system can include a host, storage processing units (SPUs), and a host interface to enable communications between host and SPUs. One such method involves receiving a processing task... Hgst Netherlands B v

11/09/17 / #20170322888

Method to control cache replacement for decoupled data fetch

An example device includes a memory device and one or more processors. The memory device is configured to store a table that includes two or more mappings, each mapping being associated with a respective logical address and a respective physical address. The processors are configured to identify, within the table,... Hgst Netherlands B v

11/09/17 / #20170322927

Generalized write operations verification method

A verification architecture described according to embodiments of the present invention validates changes made to metadata and may comprise one or more subsystems and phases. According to some embodiments, the “mkfs” volume creation utility works in cooperation with the device driver to create a file system volume by means of... Hgst Netherlands B v

11/09/17 / #20170323659

Near-field transducer with adjacent high-refractive index material layer

A heat assisted magnetic recording (HAMR) head has a near-field transducer (NFT) with a distal end having a leading side taper inclined at an acute angle to the ABS, such that an acute angle is formed between a leading surface of the leading side taper and the ABS. A main... Hgst Netherlands B v

11/09/17 / #20170324033

Diffused resistive memory cell with buried active zone

An apparatus for non-volatile memory, and more specifically a ReRAM device with a buried resistive memory cell. The memory cell includes a first contact disposed on a substrate, an active layer, a second contact, a first diffused zone disposed within the active layer, a second diffused zone disposed within the... Hgst Netherlands B v

11/02/17 / #20170316047

Generalized verification scheme for safe metadata modification

System and method of verifying validity of a metadata modification request to prevent improper metadata operations. During initialization of a volume in a storage device and once a metadata area is reserved for a metadata structure, information characterizing the metadata structure and metadata area is stored in the storage device,... Hgst Netherlands B v

11/02/17 / #20170316824

Multi-layer resistive memory devices

To provide enhanced data storage devices and systems, various systems, architectures, apparatuses, and methods, are provided herein. In a first example, a multi-layer resistive random access memory (ReRAM) array is provided. Active layers of the array each comprise a plurality of ReRAM elements that each include a gate portion having... Hgst Netherlands B v

11/02/17 / #20170317141

Nonvolatile schottky barrier memory transistor

An apparatus for high density memory with integrated logic. Specifically, a three terminal resistive random access memory (ReRAM) device having Schottky barriers that can switch from a low resistive state to a high resistive state is provided. The Schottky transistor memory device includes an insulating layer, a source region disposed... Hgst Netherlands B v

10/26/17 / #20170309332

Planar memory cell architectures in resistive memory devices

To provide enhanced data storage devices and systems, various systems, architectures, apparatuses, and methods, are provided herein. In a first example, a resistive random access memory (ReRAM) array is provided. The ReRAM array includes a plurality of memory cells each comprising resistive memory material formed into a layer of a... Hgst Netherlands B v

10/19/17 / #20170301732

Dual ots memory cell selection means and method

A 3D cross-point memory array includes a bitline and a word line. Both the bitline and the word line have multiple selector switches. Each switch of a corresponding bitline or word line is connected to a horizontal conductor or a vertical conductor so that a given bitline or word line... Hgst Netherlands B v

10/12/17 / #20170293450

Integrated flash management and deduplication with marker based reference set handling

A system and method for integrating flash management and deduplication with marker based reference set handling may include a dynamic reference set that is elastic and can include non-contiguous reference blocks. The method may further include determining the first reference block of the plurality of reference blocks for continued encoding,... Hgst Netherlands B v

10/12/17 / #20170294197

Flux-guided tunneling magnetoresistive (tmr) sensor for magnetic tape with reduced likelihood of electrical shorting

A tunneling magnetoresistive (TMR) read head for magnetic tape has a tape-bearing surface (TBS) and includes a first magnetic shield, a first gap layer on the first shield, a TMR sensor on the first gap layer and recessed from the TBS, a second gap layer on the TMR sensor, a... Hgst Netherlands B v

10/05/17 / #20170286170

Systems and methods for offloading processing from a host to storage processing units using an interconnect network

Systems and methods for offloading processing from a host to one or more storage processing units using an interconnect network are provided. One such system includes a host having a processing task, a plurality of storage processing units (SPUs), a host interface configured to enable communications between the host and... Hgst Netherlands B v

10/05/17 / #20170287511

Using window underlayer structures to protect near field transducers on heat assisted magnetic recording heads

A system, according to one embodiment, includes: a near field transducer, a return pole, a main pole, a waveguide adjacent the near field transducer, wherein the waveguide extends away from the near field transducer along a direction perpendicular to a media facing surface, at least one cladding layer adjacent to... Hgst Netherlands B v

09/28/17 / #20170277231

Linear push-push mechanism for removable storage cartridge system

A removable storage cartridge system may include a linear push-push mechanism comprising a carriage having a lock bar and a lock bar spring, and an enclosure having a mounting bracket having a lock guide. The lock guide is configured to interact with the lock bar and spring such that, in... Hgst Netherlands B v

09/28/17 / #20170278531

Magnetic write head having recessed trailing shield and trailing return pole

A magnetic write head having trailing magnetic shield and a trailing magnetic return pole that are recessed from the media facing surface. The magnetic write head includes a write pole, a trailing shield that is separated from the write pole by a non-magnetic trailing gap layer and a trailing magnetic... Hgst Netherlands B v

09/28/17 / #20170278532

Enhanced write pole and return pole for improved areal density

A system, according to one embodiment, includes: a main pole; and a trailing shield. A first distance D1 is defined in a track direction between the trailing shield and a pole tip region of the main pole; and a second distance D2 is defined in the track direction between the... Hgst Netherlands B v

09/28/17 / #20170278538

Mitigation of laser power variation induced phase shift in heat assisted magnetic recording systems

A system for compensating for heat induced transient phase shift in a heat assisted magnetic recording system. A heat assisted magnetic data recording system includes a near field thermal transducer that locally heats the media during writing. The thermal transducer, when activated, results in a change in size of a... Hgst Netherlands B v

09/28/17 / #20170278551

Hermetic sealing with high-speed transmission for hard disk drive

Embodiments disclosed herein generally relate to hermetic electrical connectors used in hard disk drives. The hermetic electrical connector includes a barrier structure having a first plurality of connecting pads disposed on a first surface of the barrier structure and a second plurality of connecting pads disposed on a second surface... Hgst Netherlands B v

09/28/17 / #20170279043

Method to fabricate discreet vertical transistors

The present disclosure generally relates to the fabrication of metal-oxide-semiconductor (MOS) select transistors in a vertical orientation such that the transistor pair fits within the footprint of a 4F2 memory cell. The present disclosure further relates to the simultaneous fabrication of a vertical stack of transistors in which each transistor... Hgst Netherlands B v

09/14/17 / #20170262187

Storage cluster and method that efficiently store small objects with erasure codes

Small objects are efficiently stored with erasure codes by combining a small object with other small objects and/or large objects to form a single large object for chunking, and providing early notification of permanent storage to the sources of the objects to prevent small objects from becoming stale while waiting... Hgst Netherlands B v

09/14/17 / #20170262332

Redundancy of error correction encoded data in a storage system

A device that provides for redundancy of error correction encoded data includes at least one processor circuit. The at least one processor circuit is configured to perform error correction encoding on data items to generate corresponding codewords, where at least one of the data items may have a different length... Hgst Netherlands B v

09/14/17 / #20170262906

Utilization-based fee for storing data

A method for determining a utilization-based fee for storing data includes determining a number of write operations for writing a quantity of data to a solid state drive (SSD) and determining an amount of a fee based on the number of write operations for writing the quantity of data to... Hgst Netherlands B v

09/14/17 / #20170263273

Magnetic read head with floating trailing shield

A magnetic read element having an additional magnetic layer, “a floating magnetic shield”, formed as a part of a capping structure of a magnetoresistive element. The capping structure is formed over the magnetic free layer and includes a magnetic layer that is located between first and second non-magnetic layers. The... Hgst Netherlands B v

09/14/17 / #20170263311

Systems and methods for adaptive read level adjustment

Reading requested data from flash memory using a first read level voltage. A number of first bit-value errors and a number of second bit-value errors is determined from the read requested data. An error ratio of the number of first bit-value errors and the number of second bit-value errors is... Hgst Netherlands B v

09/14/17 / #20170263314

Memory cell located pulse generator

The present disclosure generally relates to a memory cell and methods for generating a pulse within the memory cell. As such, a geometric arrangement of transistors is disclosed that allows the transistor pulse signal generator circuit to precharge both sides of the memory cell and, subsequently, bring opposite sides of... Hgst Netherlands B v

09/07/17 / #20170255388

Efficient and dynamically sized reverse map to handle variable size data

A system comprising a processor and a memory storing instructions that, when executed, cause the system to receive a data stream including one or more data blocks; determine a size of the one or more data blocks; determine a number of mappings needed for a physical block based on the... Hgst Netherlands B v

09/07/17 / #20170255402

Efficient cross device redundancy implementation on high performance direct attached non-volatile storage with data reduction

A method for implementing cross device redundancy schemes with a single commit by receiving, by a write page allocation unit, a request to allocate data grains; responsive to receiving the request, performing, by the write page allocation unit, an analysis of a predetermined data layout map associated with a grain... Hgst Netherlands B v

09/07/17 / #20170255415

Method of preventing metadata corruption by using a namespace and a verifying changes to the namespace

Metadata area legends are stored at a first location, such as a dedicated partition of a persistent data storage device (PDSD). The metadata area legends have a number of descriptors that describe a number of reserved metadata areas that lie at a second location that is logically separate from the... Hgst Netherlands B v

09/07/17 / #20170255535

Self-diagnosis of device drive-detected errors and automatic diagnostic data collection

A self-diagnostic device driver includes a memory that stores machine instructions and a processor coupled to the memory that executes the machine instructions to record an operational history associated with the device driver. The processor further executes the machine instructions to detect an error associated with the device driver, remove... Hgst Netherlands B v

Patent Packs
09/07/17 / #20170255563

Apparatus and reducing storage class memory write-backs

Embodiments of the present disclosure perform procedures that manipulate a memory system's local cache line eviction policy so that critical “dirty” cache lines are evicted from last level caches as late as possible. Embodiments can selectively handle cache lines in a manner that can renew the liveliness of “dirty” cache... Hgst Netherlands B v

08/31/17 / #20170248993

Base for protecting external welds of hermetically sealed electronic devices

Described herein is a hard disk drive that includes a base and a cover. The base includes a closed end, sidewalls, an open end, and one or more corner portions. The sidewalls extend from the closed end, and the open end is defined by the sidewalls. The closed end, sidewalls,... Hgst Netherlands B v

08/31/17 / #20170249191

Adjustable priority ratios for multiple task queues

In some examples, a method includes assigning, to each respective task queue of a plurality of task queues, a respective priority ratio based at least in part on a number of tasks in the respective task queue. The method further includes assigning, by a processor of a plurality of processors,... Hgst Netherlands B v

08/24/17 / #20170242820

Using a proprietary framework on a standards-based embedded device

A vendor extension command is used to transport a proprietary message to a device (e.g., a solid state drive), to instruct the device to access and return data stored on the device (e.g., data that can be used for debugging). More specifically, a device that is coupled to a host... Hgst Netherlands B v

08/24/17 / #20170242821

Acknowledgement-less canary-based completion protocol

A method and system for performing operations in a canary-based communication protocol; specifically, an acknowledgment-less scheme to reduce completion latency and increase effective bandwidth utilization on a computer expansion bus is disclosed. In one embodiment, a host selects a canary to represent whether a data stream of unknown content has... Hgst Netherlands B v

08/17/17 / #20170236557

Hermetically-sealed hard disk drive cover perimeter adhesive seal

A hermetically-sealed hard disk drive (HDD) involves the inner surfaces of sidewalls of a second cover overlapping with and adhesively bonded with the outermost surfaces of sidewalls of an enclosure base. Matching angled sidewalls for the inner and outermost surfaces, and an adhesive bond that provides a hermetic seal in... Hgst Netherlands B v

08/10/17 / #20170228302

Method and updating a system on chip (soc) image from a host computer system without using dma

Embodiments of the present disclosure relate to systems and methods for updating a System on Chip (SOC) image without using direct memory access (DMA) programming. A target SOC monitors a target mailbox to determine reception of a data packet of an SOC image received from a host computer, wherein the... Hgst Netherlands B v

08/10/17 / #20170229140

Suspension pad for head-gimbal assembly that inhibits formation of an inter-pad solder bridge

Devices including a suspension pad shape and layout that avoids shorts caused by solder bridging during coupling of leads thereto. One embodiment includes a plurality of slider pads and a plurality of suspension pads being generally aligned with the slider pads. A conductive material electrically couples each of the suspension... Hgst Netherlands B v

08/10/17 / #20170229141

Managing read and write errors under external vibration

Systems and techniques for writing data to a Shingled Magnetic Recording (SMR) magnetic data storage device. At least one processor may determine whether the distance between a first data track and a second data track is less than a threshold distance. If the distance is less than a threshold distance,... Hgst Netherlands B v

08/03/17 / #20170218978

Backflow stopper with acoustic barrier

To provide enhanced operation of data storage devices and systems, various systems, apparatuses, and methods are provided herein. In a first example, a backflow assembly includes a backflow stopper comprising a frame configured to structurally support a fin array when coupled to a fan, the fin array comprising a plurality... Hgst Netherlands B v

08/03/17 / #20170219337

Condensation-assisted metrology

An analysis chamber for an optical-metrology tool includes an enclosure having an opening oriented toward an optical-metrology specimen and aligned substantially parallel to the specimen; at least one transparent window arranged in the enclosure; at least one fluid inlet passing through the enclosure, the fluid inlet coupled to an analysis-fluid... Hgst Netherlands B v

08/03/17 / #20170220250

Synchronization an interconnection network using parallel-headerless tdma routing

Embodiments of the present disclosure generally relate to a cloud computing network, or datacenter network, and a method of transferring information among processing nodes in a cloud computing network or datacenter. The network may include a hub that is coupled to a plurality of nodes so that data is transferred... Hgst Netherlands B v

08/03/17 / #20170221511

Reducing carbonaceous smear at the nft area on hamr head

The present disclosure generally relates a method for removing a smear from a write head in a HAMR system. The smear can be removed by sufficiently heating the smear in an oxidative atmosphere to oxidize the smear. The material buildup that forms the smear has carbon, that when oxidized, is... Hgst Netherlands B v

08/03/17 / #20170221526

Acoustic attenuation in data storage enclosures

To provide enhanced operation of data storage devices and systems, various systems and apparatuses are provided herein. In a first example, a data storage assembly includes an enclosure configured to house at least one data storage device and a fan assembly configured to provide airflow within the enclosure to ventilate... Hgst Netherlands B v

08/03/17 / #20170221527

Adhesive leak channel structure for hermetic sealing of a hard disk drive

In the context of a hard disk drive (HDD), an adhesive leak channel structural feature is positioned in an area at which an electrical feed-through is adhered with an adhesive to an enclosure base, where the leak channel feature inhibits the leakage of gas through the adhesive. Embodiments include providing... Hgst Netherlands B v

Patent Packs
08/03/17 / #20170221540

Method for controlled switching of a mram device

A method and apparatus for controlled switching of a magnetoresistive random access memory device is disclosed herein. The method includes delivering a current to a magnetoresistive random access memory device, wherein the MRAM device is in a first state, measuring a voltage drop across the magnetoresistive random access memory device... Hgst Netherlands B v

08/03/17 / #20170222863

Cloud computer realized in a datacenter using mmwave radio links for a 3d torus

The present disclosure generally relates to a high performance datacenter computer (HPDC) that utilized mmWave links to communicate between servers at opposing racks across the datacenter aisles. The HPDC includes stacks of servers with the stacks arranged in rows. The HPDC includes multiple rows. Within the stacks and rows, the... Hgst Netherlands B v

08/03/17 / #20170222945

All-connected by virtual wires network of data processing nodes

Embodiments of the present disclosure generally relate to a cloud computing network and a method of transferring information among processing nodes in a cloud computing network. In one embodiment, a cloud computing network is disclosed herein. The cloud computing network includes a plurality of motherboards arranged in racks. Each individual... Hgst Netherlands B v

07/27/17 / #20170213572

Detection of read-write head touchdown using head actuator

Described herein is a magnetic storage device that includes a magnetic disk and an arm rotatably movable relative to the magnetic disk. The magnetic storage device also includes a head actuator that is co-movable with the arm. The head actuator includes at least one piezo-electric element and at least one... Hgst Netherlands B v

07/27/17 / #20170213869

Nano-particle matrix for 3d nvm rram

The present disclosure generally relates to a nano-particle matrix in a 3D NVM RRAM device. The RRAM device utilizes a material that may be deposited into high aspect ratio channels, has good cycle ability, short erase and write times, and write/erase voltages that are compatible with CMOS. The RRAM material... Hgst Netherlands B v

07/27/17 / #20170214413

Joint source-channel coding with dynamic dictionary for object-based storage

A system for decoding storage data includes a memory that stores machine instructions and a processor coupled to the memory that executes the machine instructions to perform channel decoding based on a codeword to generate a data string. The processor further executes the machine instructions to perform source decoding based... Hgst Netherlands B v

07/20/17 / #20170203379

Reliable transportation mechanism for micro solder balls

A solder ball bonding (SBB) tool includes a rotatable feed plate for transporting solder balls from a translatable solder ball reservoir to a nozzle unit, which is a position at which a laser light source can irradiate and thus melt the solder balls. The SBB tool includes a gap between... Hgst Netherlands B v

07/13/17 / #20170200459

Fabrication process for slider with extended three-dimensional air-bearing surface

Disclosed herein are processes to manufacture sliders having extended three-dimensional air-bearing surfaces and non-transitory computer-readable storage media storing machine-executable instructions to cause at least one processor to perform the processes. A disclosed method of manufacturing a slider for use in a hard disk drive comprises removing a first portion of... Hgst Netherlands B v

07/13/17 / #20170200461

Slider with extended three-dimensional air-bearing surface

Disclosed herein is a hard disk drive slider having an extended three-dimensional air-bearing surface (ABS). The slider has an ABS and a back surface opposite the ABS, where at least a portion of the back surface defines a plane (i.e., if the back surface is substantially flat, the back surface... Hgst Netherlands B v

07/13/17 / #20170200462

Slider with tunnel feature

Disclosed herein are hard disk drive sliders having one or more tunnels between the leading-edge surface of the slider and the air-bearing surface (ABS) that may be used to control the pitch and/or fly height of the slider. A slider comprises a leading-edge surface, an ABS, and a tunnel having... Hgst Netherlands B v

07/06/17 / #20170192685

Variable-rpm hard disk drive control

The present disclosure relates to a system and methods of controlling a system of storage devices. In particular, the present disclosure relates to methods of controlling peak power and energy consumption in storage systems due to storage devices while maintaining data availability. The system implements a method for maintaining data... Hgst Netherlands B v

07/06/17 / #20170192848

Distributed data storage with reduced storage overhead using reduced-dependency erasure codes

A system that implements a near-optimal, reduced-dependency erasure code construction to redundantly distribute computer data across multiple storage nodes includes a memory that stores machine instructions and a processor that executes the machine instructions to group storage segments into discrete groups, each of which corresponds to an individual storage node.... Hgst Netherlands B v

07/06/17 / #20170194023

Coupled soft bias scissor type sensor

A magnetic read head is provided, comprising a bottom magnetic shield, a first free magnetic layer, a second free magnetic layer, and a top magnetic shield, arranged from bottom to top in this order in a stacking direction from a leading side to a trailing side of the read head.... Hgst Netherlands B v

07/06/17 / #20170194024

Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives

A method, apparatus, and system are provided for implementing track following using signal asymmetry metrics monitored during read back in hard disk drives (HDDs). Signal asymmetry metrics monitored during read back are used together with a position error signal (PES) to correct and guide the position of a read sensor... Hgst Netherlands B v

06/22/17 / #20170179372

Spin-orbit torque bit design for improved switching efficiency

A method for a non-volatile memory cell; specifically, a spin orbit torque MRAM (SOT-MRAM) memory cell which reduces the current required to switch individual bits. The memory cell includes a first interconnect line having a first longitudinal axis, an elliptically shaped MTJ bit (“bit”) having a long axis, and a... Hgst Netherlands B v

06/15/17 / #20170168527

Hard disk drive with a vibration isolation frame

Embodiments disclosed herein generally relate to a hard disk drive system with improved isolation from operational vibration. More particularly, embodiments disclosed herein provide a hard disk drive system with a vibration isolation frame and flexible connection without deviation from standard form factor. The standard form factor is the form factor... Hgst Netherlands B v

06/15/17 / #20170169860

Hermetic sealing of hard disk drive using laminated film seal

A hermetically-sealed hard disk drive (HDD) utilizes a laminated film seal to seal an interface of an electrical feed-through connector and an HDD enclosure base. The laminated film seal may be constructed of a heat sealant layer that bonds with a surface of the base and a surface of the... Hgst Netherlands B v

06/15/17 / #20170169861

Hermetic sealing of hard disk drive using laminated film seal

A hermetically-sealed hard disk drive (HDD) utilizes a laminated film seal to seal an interface of an electrical flexible cable assembly and an HDD enclosure base. The laminated film seal may be constructed of a heat sealant layer that bonds with a surface of the base and a surface of... Hgst Netherlands B v

06/15/17 / #20170169862

Hermetic sealing of hard disk drive using laminated film seal

A hermetically-sealed hard disk drive (HDD) utilizes a laminated film seal to seal an HDD cover-to-base interface. The laminated film seal may be constructed of a heat sealant layer hermetically-coupled to and forming a seal with the base, a barrier layer which inhibits gas from escaping from inside the HDD,... Hgst Netherlands B v

06/08/17 / #20170160771

Enhanced fan control in data storage enclosures

To provide enhanced operation of data storage devices and systems, various systems, apparatuses, methods, and software are provided herein. In a first example, a data storage system is presented. The data storage system includes data storage devices configured for storage and retrieval of data. The data storage system includes an... Hgst Netherlands B v

06/01/17 / #20170153842

Data allocation in hard drives

In one example, the disclosure is directed to a method comprising receiving, by a controller of a hard disk drive, a request to write a data block to a data storage platter of the hard disk drive. The data storage platter of the hard disk drive includes at least one... Hgst Netherlands B v

06/01/17 / #20170154641

Magnetic scissor sensor with closed-loop side shield

A scissor type magnetic sensor for magnetic data recording having a flux closure magnetic side shield structure. The magnetic sensor has a magnetic side shield structure that includes a non-magnetic layer within a magnetic material layer, with the non-magnetic layer being removed from the sensor stack so as to define... Hgst Netherlands B v

06/01/17 / #20170154643

Tmr read head with scissors sensor

A read head is provided with a scissors sensor. The read head may include a bottom magnetic shield, and a first non-magnetic seed layer, a magnetic seed layer, a second non-magnetic seed layer, an antiferromagnetic layer, a coupling layer, a first free magnetic layer, a spacer layer, and a second... Hgst Netherlands B v








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