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Disk Drive patents



      
           
This page is updated frequently with new Disk Drive-related patent applications. Subscribe to the Disk Drive RSS feed to automatically get the update: related Disk RSS feeds. RSS updates for this page: Disk Drive RSS RSS


Disk separator plates and method of making disk separator plates for hard disk drives

Disk separator plates and method of making disk separator plates for hard disk drives

High flow reinforced polyimide compositions with very low residual contamination for hard disk drive enclosure

Disk drive read circuit comprising an ac coupled sense amplifier for amplifying a read signal

Date/App# patent app List of recent Disk Drive-related patents
11/13/14
20140337575
 Tape emulating disk based storage system and method with automatically resized emulated tape capacity patent thumbnailTape emulating disk based storage system and method with automatically resized emulated tape capacity
A data protection and storage system includes an array of disk drives for data storage. Data is received for storage on the disk drive via an interface that is configured to emulate a tape drive interface.
11/13/14
20140335371
 Disk separator plates and method of making disk separator plates for hard disk drives patent thumbnailDisk separator plates and method of making disk separator plates for hard disk drives
A hard disk drive with a multiple disk stack normally utilizes disk separator plates near the disk surfaces to reduce wind induced vibrations in the disks and the read/write heads. The manufacturing methods currently used to make these separator plates, metal casting and machining, or injection molded plastic, or extruding and machining, or cold forging tends to be expensive and creates unwanted weight and bulk without the desired precision.
11/13/14
20140334090
 High flow reinforced polyimide compositions with very low residual contamination for hard disk drive enclosure patent thumbnailHigh flow reinforced polyimide compositions with very low residual contamination for hard disk drive enclosure
A filled polymeric composition of high flowability suitable for thin wall (<1 mm thickness) molding, the composition including (a) from 10 to 50 wt % of a reinforcing filler; (b) from 1 to 10 wt % of a polyamide or from 5 to 20 wt % of a liquid crystal polymer (lcp) as a flow promoter; and the balance being a polyetherimide (pei) resin. Composites including an injection molded substrate having a thickness of 0.4-0.8 mm, formed of the composition, and at least one coating thereon.
11/13/14
20140334038
 Disk drive read circuit comprising an ac coupled sense amplifier for amplifying a read signal patent thumbnailDisk drive read circuit comprising an ac coupled sense amplifier for amplifying a read signal
A disk drive read circuit is disclosed comprising a read element for generating a read signal, and a sense amplifier comprising an input terminal coupled through a first capacitor to the read element and an output terminal coupled through a second capacitor to a transmission line, wherein the sense amplifier is for amplifying the read signal.. .
11/13/14
20140334035
 Motor and disk drive apparatus patent thumbnailMotor and disk drive apparatus
A motor includes a rotating portion including a sleeve portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion.
11/13/14
20140334034
 Motor and disk drive apparatus patent thumbnailMotor and disk drive apparatus
A motor includes a rotating portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion, an upper plate portion, and a lower plate portion.
11/06/14
20140331004
 Write spike performance enhancement in hybrid storage systems patent thumbnailWrite spike performance enhancement in hybrid storage systems
In an embodiment, a hybrid storage array one uses two or more storage device tiers provided by solid state drives (ssds) and hard disk drives (hdds). Random writes are collected and written to a write cache extension, such as a portion of the ssd storage tier.
10/30/14
20140325273
 Method and apparatus for creating a self booting operating system image backup on an external usb hard disk drive that is capable of performing a complete restore to an internal sytem disk patent thumbnailMethod and apparatus for creating a self booting operating system image backup on an external usb hard disk drive that is capable of performing a complete restore to an internal sytem disk
Backup applications that use externally connected hard disk drives for storing full image backups of a windows system disk or compressed image or file by file backups of a windows system disk. A system incrementally updates the images, including the system registry, and puts information on the external drive that makes it bootable..
10/30/14
20140325169
 Dirty data management for hybrid drives patent thumbnailDirty data management for hybrid drives
A hybrid drive includes multiple parts: a performance part (e.g., a flash memory device) and a base part (e.g., a hard disk drive). A drive access system, which is typically part of an operating system of a computing device, issues input/output (i/o) commands to the hybrid drive to store data to and retrieve data from the hybrid drive.
10/30/14
20140325166
 Power saving mode hybrid drive access management patent thumbnailPower saving mode hybrid drive access management
A hybrid drive includes multiple parts: a performance part (e.g., a flash memory device) and a base part (e.g., a magnetic or other rotational disk drive). A drive access system, which is typically part of an operating system of a computing device, issues input/output (i/o) commands to the hybrid drive to store data to and retrieve data from the hybrid drive.
10/30/14
20140325128
Mirror copies of solid state drives using portions of hard disk drives
Mechanisms for storing data to a storage system comprising a set of one or more solid state storage devices and a set of non-solid state storage devices are provided. A request to write data to the storage system is received and the data is written to the set of one or more solid state storage devices in response to receiving the request.
10/30/14
20140324875
Index for fast batch updates of large data tables
Systems and processes for managing data using a composite index formed from a major sub-index and zero or more minor sub-indexes are described. Updates to the data may be cached in memory.
10/30/14
20140321046
Wireless electronic device with component cooling structures
An electronic device may have a hard disk drive mounted diagonally within a housing. Electromagnetic interference shielding structures may enclose the hard disk drive.
10/30/14
20140321045
Electronic device with component shielding structures and input-output connectors
An electronic device may have a hard disk drive mounted diagonally within a housing. Electromagnetic interference shielding structures may enclose the hard disk drive.
10/30/14
20140321044
Expansion apparatus for serial advanced technology attachment dual in-line memory module device
An expansion apparatus includes a shell defining an opening, a baseboard mounted in the shell, and a serial advanced technology attachment dual in-line memory module (sata dimm) device. A memory slot, a power converter, a hard disk drive (hdd) signal expander, and a connector exposed through the opening are all arranged on the baseboard.
10/30/14
20140321002
Magnetic disk drive device, magnetic disk assembly and methods of forming the same
A magnetic disk drive device for rotary driving a magnetic disk may be provided. The magnetic disk drive device may include a drive motor for rotary driving the magnetic disk.
10/30/14
20140321000
Base plate having filter fixing part for hard disk drive and hard disk drive including the same
A base plate for a hard disk drive includes a disk accommodating part including a disk disposed thereon having data stored therein; a head seating part formed to be lower than a position of the disk accommodating part and including a head driver disposed thereon providing driving force to a read-write head reading the data stored on the disk and writing data thereto; a filter seated on the disk accommodating part and collecting foreign objects from air flowing during rotation of the disk; and a filter fixing part formed by punching a portion of the disk accommodating part and vertically raising the portion of the disk accommodating part, and fixing the filter.. .
10/30/14
20140320999
Disk drive minimizing initial seek distance after load operation
A disk drive is disclosed comprising a disk comprising tracks defined by servo sectors, a head, and control circuitry comprising a servo control system operable to actuate the head over the disk in response to the servo sectors. The head is loaded over the disk during a load operation, and a radial velocity of the head is determined during the load operation.
10/30/14
20140320998
Disk drive with improved spin-up control
A disk drive is disclosed comprising a head actuated over a disk, and a spindle motor operable to rotate the disk. The spindle motor operates according to a plurality of electrical cycles over a single revolution of the spindle motor, where each electrical cycle spans a cycle period.
10/30/14
20140319312
Mounting device for hard disk drive
A mounting device for mounting a hard disk drive (hdd), includes a number of retaining members each including a neck portion and a head portion, an elastic latching member including a stop portion, and a number of vibration attenuation members fixed on a bottom wall of the hdd. Each vibration attenuation member includes a top portion, a bottom portion defining a mounting hole, and two elastic portions.
10/30/14
20140317911
Method of manufacturing disk drive unit
A method manufactures a disk drive unit that includes a rotor to rotate a disk set thereon, and a fixed body to rotatably support the rotor via a lubricant, by cutting the rotor integrally including a sleeve surrounding a shaft of the fixed body and a hub on which the disk is set, by a wavy cutting process to form a dynamic pressure generating groove to generate a dynamic pressure in the lubricant and having wavy undulations at a bottom part thereof, and cutting a surface of the rotor opposing a ring-shaped member that is included in the fixed body and covers a gas-liquid interface of the lubricant provided between the rotor and the fixed body, by a wavy cutting process to form an air flow generating groove to generate an air flow between the rotor and the ring-shaped member and having wavy undulations at a bottom part thereof.. .
10/23/14
20140317347
System and method for logical removal of physical heads in a hard disk drive (hdd)
A hard disk drive (hdd) provides for the logical removal of defective physical heads. The hdd includes one or more disks organized into a plurality of regions, each region having a plurality of physical block addresses (pbas).
10/23/14
20140317317
Assigning priorities to data for hybrid drives
A hybrid drive includes multiple parts: a performance part (e.g., a flash memory device) and a base part (e.g., a magnetic or other rotational disk drive). A drive access system, which is typically part of an operating system of a computing device, issues input/output (i/o) commands to the hybrid drive to store data to and retrieve data from the hybrid drive.
10/23/14
20140313873
Detecting apparatus for hard disk drive
A detecting circuit for a number of hard disk drives (hdds) includes a backplane, a control circuit, a converting circuit, and an integrated baseboard management controller (ibmc) chip. The backplane is connected to the hdds and outputs state signals of the hdds corresponding to operation information of the hdds to the control circuit.
10/23/14
20140313612
Spindle motor and hard disk drive including the same
There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a sleeve supporting a shaft so that an upper end of the shaft protrudes upwardly in an axial direction and a bearing clearance filled with a lubricating fluid formed between the sleeve and the shaft; a housing provided so as to enclose an outer peripheral surface of the sleeve and forming a circulation hole between the housing and the sleeve in the axial direction; and a rotor hub fixedly installed on an upper end portion of the shaft in the axial direction, wherein a connection part is formed between the housing and the rotor hub so as to allow a sealing part on which a liquid-vapor interface is disposed and the circulation hole to be in communication with each other..
10/23/14
20140313611
Control circuit for hard disk drive
A control circuit for a hard disk drive (hdd) includes a control chip, a connector connected between the control chip and a motherboard, and a function transform circuit connected between the control chip and the connector. A status pin of the control chip is connected to a status receiving pin of the connector through the function transform circuit, to send a working state signal of the hard disk drive to the status receiving pin of the connector.
10/23/14
20140312197
Fixing element for hard disk drive
A fixing element for hard disk drive includes a frame and a hard disk. The frame includes a bottom plate, a front plate, a rear plate and a side plate.
10/16/14
20140310733
Disk drive apparatus
There is provided a disk drive apparatus including a first chassis unit that has a pickup base at which an optical pickup and a disk table have been disposed, and a first base chassis to which the pickup base has been attached, and a second chassis unit that has a second base chassis and at which a chucking pulley has been disposed. A first rectifying plate part is provided at the first base chassis.
10/16/14
20140310732
Disk drive apparatus
There is provided a disk drive apparatus including a first chassis unit that has a first pickup base supported by the first base chassis through an elastically deformable insulator, and a second chassis unit that has a second pickup base supported by the second base chassis through an elastically deformable insulator. At least one of the first chassis unit and the second chassis unit is moved in a thickness direction of the disk-like recording medium, and the first pickup base and the second pickup base are connected to or separated from each other.
10/16/14
20140310731
Disk drive apparatus
There is provided a disk drive apparatus including a first chassis unit that has a first pickup base at which a first optical pickup has been disposed, and a second chassis unit that has a second pickup base at which a pulley supporting part has been provided and at which a second optical pickup has been disposed. A disk table on which a disk-like recording medium is loaded is disposed at the first pickup base.
10/16/14
20140310459
Data storage architecture extension system and method
A data storage architecture extension (dax) system and method that permits multiple disk drive storage elements to be logically daisy-chained to allow a single host bus adapter (hba) to view the storage elements as one logical disk drive is disclosed. The system/method may be broadly described as comprising a pass-thru disk drive controller (ptddc) further comprising a hba port, a disk drive interface port, pass-thru input port, and a pass-thru output port.
10/16/14
20140310441
Data storage architecture extension system and method
A data storage architecture extension (dax) system and method that daisy-chains multiple sata disk drive storage elements to allow a single host bus adapter (hba) to view the daisy-chain as one logical sata disk drive is disclosed. The system/method may be broadly described as comprising a pass-thru disk drive controller (ptddc) further comprising a pass-thru input (pti) port, disk drive interface (ddi) port, and pass-thru output (pto) port.
10/16/14
20140304979
Disk drive device manufacturing method
A disk drive device includes a base, a hub on which a recording disk is to be mounted, and a fluid dynamic bearing unit that supports the hub in a freely rotatable manner relative to the base. The hub includes a hub protrusion to be engaged with the center hole of the recording disk, and amount portion on which the recording disk is to be mounted.
10/09/14
20140300997
Suspension assembly having a microactuator grounded to a flexure
Disclosed is a suspension assembly for a disk drive that includes: a mounting plate having a through-hole; a microactuator mounted on the mounting plate; a flexure attached to the mounting plate, the flexure including a trace layer that includes a ground trace; and a conductive epoxy bonded to the microactuator extending through the through-hole to bond to the flexure, wherein the epoxy extends to the ground trace of the flexure such that the microactuator is grounded to the flexure.. .
10/09/14
20140300990
Spindle motor and hard disk drive including the same
There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a sleeve installed on a base member and having a circulation hole; a shaft inserted into the sleeve; a rotor hub installed on an upper end of the shaft; and a thrust member installed in an installation groove formed in an upper portion of the sleeve and forming a connection part, the connection part allowing the circulation hole to be in communication with a sealing part formed by the sleeve and the rotor hub and having a liquid-vapor interface of a lubricating fluid disposed therein, wherein the connection part is formed between the sleeve and the thrust member in a circumferential direction, and at least any one part of a radial outer portion of the connection part has an axial gap smaller than that of another part thereof in the circumferential direction..
10/09/14
20140300989
Storage device with a cover supporting portion
A disk drive assembly having a base, a cover, a post extending from the base toward the cover, and a latch movably mounted on the post such that the post extends there through, wherein the post comprises a cover supporting portion configured to support the cover, and prevent the cover from compressing the latch and causing the latch from contacting both the cover and the base simultaneously when a load is applied to a portion of the cover above the latch.. .
10/09/14
20140300988
Hard disk drive bypass channel having a close-sided voice coil motor
Approaches to improving head positioning accuracy in a hard disk drive, by suppressing airflow disturbances that would otherwise cause unwanted component vibration, include a voice coil motor having a sidewall spanning a gap between the vcm upper yoke and lower yoke. This vcm sidewall also serves as the inner wall of a bypass channel, for diverting airflow away from the actuator arm and associated components..
10/02/14
20140297942
Data cache for a storage array
Embodiments of the present disclosure provide for a storage system that includes an array of disk drives and a controller communicatively coupled to the array of disk drives. The controller includes a dual purpose cache.
10/02/14
20140296114
Lubricating oil composition for hydrodynamic bearing and hdd motor using the same
There is provided a lubricating oil composition for a hydrodynamic bearing including: 95 to 99 wt % of an ester-based base oil; and 1.0 to 5.0 wt % of mixed oil containing at least two kinds of ester-based oils different from the ester-based base oil. According to the present invention, a hard disk drive (hdd) motor is manufactured using the lubricating oil composition for a hydrodynamic bearing having a low viscosity, a small evaporation loss, and improved oxidation stability at a room temperature, whereby the impact resistance and low-temperature operation stability of the hydrodynamic bearing motor may be improved..
10/02/14
20140293765
Information processing apparatus and information processing method
An information processing apparatus of the present invention includes an hdd status monitoring part 11 that monitors the use environment or use status of a hard disk drive; an hdd status recording part 13 that records the history of the use environment or use status monitored in the hdd status monitoring part 11; a comparing/determining part 14 that compares the history recorded in the hdd status recording part 13 with a predetermined condition; a display part 15 that can output a comparison result in the comparing/determining part 14; and a control part 12 that controls the display part 15 to output the comparison result based on the comparison result in the comparing/determining part 14. When the history satisfies the predetermined condition, the control part 12 controls the display part 15 to output the comparison result.
10/02/14
20140293485
Flexure, head gimbal assembly and disk drive unit with the same, and manufacturing method thereof
A flexure for a suspension of a head gimbal assembly includes a substrate layer, a dielectric layer formed thereon, a conducting layer formed on the dielectric layer, and an insulating cover layer covered on the conducting layer, wherein at least one window is configured at a surface of the insulating cover layer thereby a portion of the conducting layer is exposed, and an antistatic adhesive is adhered to at least one side wall of the window and contacted with the conducting layer. The new structure of the flexure can avoid or eliminate electro-static discharges enduringly without dipping water.
10/02/14
20140293481
Hard disk drive
Disclosed herein is a hard disk drive. The hard disk drive according to a preferred embodiment of the present invention includes: at least one disk; a spindle motor rotating the disk; a head stack assembly rotatable to write and read data on and from the disk; a plate-shaped base rotatably supporting the head stack assembly and supporting the spindle motor; and at least one elongated pin disposed on the base.
10/02/14
20140293478
Spindle motor and hard disk drive including the same
There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a sleeve installed on a base member and having a circulation hole; a shaft inserted into the sleeve; a rotor hub installed on an upper end portion of the shaft; and a thrust member installed in an installation groove formed in an upper portion of the sleeve and forming a connection part, the connection part allowing the circulation hole to be in communication with a sealing part formed by the sleeve and the rotor hub and having a liquid-vapor interface disposed therein, wherein the connection part is formed between the sleeve and the thrust member in a circumferential direction, and at least any one part of the connection part has a radial gap wider than that of another part thereof in the circumferential direction..
10/02/14
20140293477
Spindle motor and hard disk drive including the same
There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes a sleeve fixedly installed on a base member and including a circulation hole formed in an axial direction; a shaft rotatably inserted into the sleeve; a rotor hub fixedly installed on an upper end portion of the shaft; and a thrust member installed in an installation groove formed in an upper portion of the sleeve in the axial direction and forming a connection part allowing the circulation hole to be in communication with a sealing part formed by the sleeve and the rotor hub and having a liquid-vapor interface, wherein the connection part is formed between the sleeve and the thrust member in a circumferential direction, and a gap on any one side of the connection part in a radial direction is larger than a gap on the other side thereof..
10/02/14
20140293476
Spindle motor and hard disk drive including the same
There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes a base member including a mounting part, and a hydrodynamic bearing assembly having a portion thereof fitted and fixed to the mounting part, wherein any one of the mounting part and the hydrodynamic bearing assembly includes a welding reinforcing protrusion protruding from a lowest portion thereof in an axial direction in a portion in which the mounting part and the hydrodynamic bearing assembly face each other, in a direction toward the other of the mounting part and the hydrodynamic bearing assembly, and overlapping the other thereof in the axial direction, and the mounting part and the hydrodynamic bearing assembly may be coupled to each other by lap welding in the axial direction through the welding reinforcing protrusion..
09/25/14
20140286149
Automatic on-drive sync-mark search and threshold adjustment
A hard disk drive includes a processor to automatically adjust a threshold level for finding sync-marks. The processor determines all possible sync-mark patterns for a particular pattern length and analyzes each pattern with reference to real world data.


Popular terms: [SEARCH]

Disk Drive topics: Disk Drive, Hard Disk Drive, Piezoelectric, Optical Disk Drive, Die Assembly, Circuit Board, Form Factor, Fastening Device, Storage Device, A Fastening Device, Scheduling

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This listing is a sample listing of patent applications related to Disk Drive for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Disk Drive with additional patents listed. Browse our RSS directory or Search for other possible listings.
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