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Disk Drive

Disk Drive-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Motor and disk drive apparatus
Nidec Corporation
December 07, 2017 - N°20170353068

A hub of this motor includes a hub annular portion being annular and arranged above a stator, and a flange portion arranged to extend radially outward from the hub annular portion, and including an upper surface on which an annular member is arranged. A yoke includes a first yoke cylindrical portion to which a magnet is fixed; a yoke annular ...
Forward corrupted track detection and by-pass for shingled magnetic recording drives
Seagate Technology Llc
December 07, 2017 - N°20170352377

Systems and methods for forward corrupted track detection and by-pass are described. In one embodiment, a storage system comprising a storage controller performs a read operation for a target track of a shingled magnetic recording (smr) disk drive and detects a read operation failure of the read operation for the target track. The storage controller also performs a boundary track ...
Shingled magnetic recording raid scheme
Seagate Technology Llc
December 07, 2017 - N°20170352375

A method for recording parity data of data stripes within shingled media recording bands in a redundant array of independent disks can be accomplished using a plurality of shingled media recording (smr) hard disk drives (hdd) each with a plurality of shingled data bands. A data stream received from a host computer system is sequentially stored to a plurality of ...
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Disk Drive Patent Applications
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  • 204+ full patent PDF documents of Disk Drive-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Air-bearing design for hydrocarbon and lube pick-up improvements in hard disk drive (hdd)
Headway Technologies, Inc.
November 30, 2017 - N°20170345452

A slider design for a hard disk drive (hdd) features an air-bearing surface (abs) topography with arrays of micro-dots formed on bases of a multiplicity of cavities at different depths. The design eliminates the accumulation of hydrocarbons (e. G., spindle oil and disk lubricant) deposits in regions of air stagnation within the cavities where backflows and foreflows of air meet ...
Error-laden data handling on a storage device
Hgst Netherlands B.v.
November 30, 2017 - N°20170344425

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 include a number of virtual data tracks, and each virtual ...
Caching systems and methods for hard disk drives and hybrid drives
Marvell World Trade Ltd.
November 30, 2017 - N°20170344276

A system includes a read/write module and a caching module. The read/write module is configured to access a first portion of a recording surface of a rotating storage device. Data is stored on the first portion of the recording surface of the rotating storage device at a first density. The caching module is configured to cache data on ...
Disk Drive Patent Pack
Download 204+ patent application PDFs
Disk Drive Patent Applications
Download 204+ Disk Drive-related PDFs
For professional research & prior art discovery
inventor
  • 204+ full patent PDF documents of Disk Drive-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Co-located gimbal-based dsa disk drive suspension with traces routed around slider pad
Hutchinson Technology Incorporated
November 16, 2017 - N°20170330589

A suspension having a dsa structure on a gimbaled flexure includes a loadbeam and a flexure attached to the loadbeam. The flexure includes a metal layer with a pair of spring arms, a tongue including a slider mounting surface, and a pair of struts connecting the pair of spring arms to the tongue. The suspension further includes a pair of ...
Method and apparatus for performing data recovery in redundant storage system
Synology Incorporated
November 16, 2017 - N°20170329684

A method for performing data recovery in a redundant storage system and an associated apparatus are provided. The method includes: determining a state of a cache block of a plurality of cache blocks, in which the plurality of storage devices includes a set of hard disk drives (hdds) and a set of solid state drives (ssds), an ssd redundant array ...
Controlling operation of a data storage system
International Business Machines Corporation
November 16, 2017 - N°20170329533

Operating a data storage system comprising a plurality of disk drives and a storage controller connected to the disk drives. A first subset and a second subset of the plurality of disk drives are operated as short stroked disk drives and non-short stroked disk drives, respectively. Priority storage spaces are defined including a high priority storage space, a moderate priority ...
Piezoelectric disk drive suspension motors having plated stiffeners
Hutchinson Technology Incorporated
November 09, 2017 - N°20170323658

Various embodiments concern a gimbaled flexure having a dual stage actuation structure. The flexure comprises a gimbal on which a motor is mounted. The motor comprises a first terminal, one or more layers of piezoelectric material, and a metal stiffener disposed directly on the first terminal. The stiffener comprises a layer of metal defining a majority of a top side ...
Two rack unit chassis and low profile tool-less hard drive carrier
Quanta Computer Inc.
November 09, 2017 - N°20170322604

Disclosed is a two rack unit chassis and low profile tool-less hard disk drive carrier (hdd). The two rack chassis including a plurality of hdd bays and a backplane including a plurality of connectors corresponding to the plurality of bays, each bay configured to receive a low profile tool-less carrier. The low profile tool-less carriers each comprising a first latch ...
Multi-layer shear mode pzt microactuator for a disk drive suspension, and method of manufacturing same
Quanta Computer Inc.
November 02, 2017 - N°20170316797

A microactuator for a suspension is described. The microactuator includes a multi-layer pzt device having a first face and an opposite second face. Each layer of the multi-layer pzt device is configured to operate in its d15 mode when actuated by an actuation voltage. The layers are configured as a stack such that each layer is configured to act in ...
Storage system with hybrid logical volumes utilizing in-band hinting
Quanta Computer Inc.
November 02, 2017 - N°20170315733

Systems and methods that combine a silicon storage volume with a hard disk drive (hdd) volume in a storage system that uses in band hinting to select the volume for storing actual data and meta data based on the demands of high performance computing are described. A storage system with an application processor, a storage processor, a silicon storage volume ...
Disk Drive Patent Pack
Download 204+ patent application PDFs
Disk Drive Patent Applications
Download 204+ Disk Drive-related PDFs
For professional research & prior art discovery
inventor
  • 204+ full patent PDF documents of Disk Drive-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Hardware based crosstalk reduction for hard disk drives
Agency For Science, Technology And Research
October 26, 2017 - N°20170309304

An actuator assembly for crosstalk reduction in hard disk drives (hdds) is provided. The actuator assembly comprises a base plate; a pivot; a voice coil motor (vcm) with an upper yoke and a lower yoke; and a cut-out insert having a predetermined stiffness and predetermined magnetic properties, wherein the cut-out insert corresponds to a cut-out recess of the base plate, ...
Suspension assembly with lift tab, disk drive with the same, and method of manufacturing lift ...
Kabushiki Kaisha Toshiba
October 26, 2017 - N°20170309303

According to one embodiment, a suspension assembly includes a support plate and a lift tab extending in a first direction. The lift tab has an arc-shaped cross section, and includes an arc-shaped outer circumferential surface, an arc-shaped inner circumferential surface, a first upper end surface located between one arc ends of the outer and inner circumferential surfaces, and a second ...
Accessing method of hybrid hard-disk drive
Allone Solution Co., Ltd.
October 26, 2017 - N°20170308501

An accessing method of a hybrid hard-disk drive (hdd) comprising a main storage and a cache storage is disclosed. When receiving data, the hdd directly writes the data to the cache storage. The hdd determines whether the capacity of saved data in the cache storage exceeds a threshold capacity, and controls the cache storage to synchronously write exceeding part of ...
Handshaking method of hybrid hard-disk drive
Allone Solution Co., Ltd.
October 26, 2017 - N°20170308500

A handshaking method adopted by a hybrid hdd having a bridge unit and multiple storages is disclosed. The bridge unit pre-sends x_rdyp signal of a first packet of a command to one of the storages when a bus is in an idle state, and receives r_rdyp signal from the storage. After receiving x_rdyp signal from a host, ...
Personal information system
Allone Solution Co., Ltd.
October 19, 2017 - N°20170300638

Systems and methods realize the benefit of portable storage devices by taking advantage of pcs including an optical disk drive, optical disks, such as a cd or a dvd, and the internet. An individual patient provides personal data to a healthcare service center. The healthcare service center can then create a portable optical disk for the patient to carry. The ...
Network coded storage with multi-resolution codes
Allone Solution Co., Ltd.
October 19, 2017 - N°20170300479

Multi-resolution encoded files are stored on a plurality of disk drives using systematic network coded storage. In some embodiments, the stored files are used to provide video streaming services for users.
Low resistance interface metal for disk drive suspension component grounding
Allone Solution Co., Ltd.
October 19, 2017 - N°20170298526

A stainless steel suspension component such as a mount plate is chemically activated by exposure to an activating solution. Gold is then spot plated onto the mount plate in the activated area using an elastomeric mask that is clamped over the mount plate. A component may then be bonded to the gold bond pads. The component may include a pzt ...
Hard drive dismantling system
Allone Solution Co., Ltd.
October 19, 2017 - N°20170297062

A system and method for reclaiming select components containing rare earth metals of electronic media electronic storage devices such as hard disk drives, solid state drives and hybrid hard drives and destroying the data containing components thereof comprising first devices to loosen various components of the storage device, the components including the components containing the rare earth elements and the ...
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