|| List of recent Disk Drive-related patents
| Secure data access in hybrid disk drive|
Data are accessed securely in a data storage device that includes a non-volatile solid-state storage device integrated with a magnetic storage device. An identical copy of drive security data, such as an encrypted version of a drive access password, is stored in both the non-volatile solid-state storage device and in the magnetic storage device.
| Clamping apparatus for carrying a disk in an optical disk drive|
A clamping apparatus for being disposed in an optical disk drive and carrying a disk is provided. The clamping apparatus includes a base, a spindle assembly, a pawl and a buffer element.
| Software testing using statistical error injection|
Methods, apparatus and computer program products implement embodiments of the present invention that enable a device such as a disk drive, to receive a configuration message including an error in implementing an operation on the device and a statistical frequency of an occurrence of the error. Upon configuration, the device can receive multiple requests for the operation, and at the statistical frequency, respond to a given one of the requests with the error.
| Power state change in disk drive based on disk access history|
A data storage device that includes a magnetic storage device selects one or more power states of the magnetic storage device based on a time interval since a most recent time data has been read from or written to the magnetic storage device. The power state of the magnetic storage device can be changed from a higher power consumption state to a lower power consumption state when the time interval exceeds a predetermined value.
| System and method for installing device drivers on welding equipment|
A system and method for installing device drivers or application software on equipment used in brazing, cladding, building up, filling, hard-facing overlaying, joining or welding operations is provided. The system includes a first device and a second device.
| Electronic device with hard disk drive|
An electronic device includes a chassis, a circuit board mounted in the chassis, a hard disk drive, a cover secured to the chassis, and a mounting plate secured to the hard disk drive. The mounting plate secures the hard disk drive to the cover adjacent to the circuit board.
| Disk drive unit|
A disk drive unit includes a rotor configured to rotate a disk accommodated within a disk accommodating space and set thereon, a fixed body configured to rotatably support the rotor, a fluid dynamic pressure generating part provided between the fixed body and the rotor, and a plurality of ring-shaped members, provided in an overlapping manner along a direction of a rotational axis of the rotor within a space that communicates the disk accommodating space and a gas-liquid interface of the lubricant, and covering a gap between the rotor and the fixed body.. .
|Contactless authentication of optical disk drives|
An optical disc drive (odd) includes a radio-frequency identification (rfid) reader. The reader includes a circuit and a coil antenna which has a rotational symmetry with respect to a rotation axis of a motor, shaft and turntable of the odd.
|Fluid dynamic bearing unit and disk drive device including the same|
A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft.
|Regulating distribution of power in a hard disk drive following a power loss|
Applicant has recognized and appreciated the desirability of powering an actuator using power drawn from one or both of an energy storage device and a spindle motor. In some embodiments, following a loss of external power to a hard disk drive, the hard disk drive (or one or more components thereof) determines whether to provide the actuator with power drawn from the spindle motor or to provide the actuator with power drawn from the spindle motor and from the energy storage device.
|Cooling apparatus combined with optical disk drive module|
Provided is a cooling apparatus of a portable computer. The cooling apparatus includes one or more ventilation holes formed on the body thereof, and a cooling fan module mounted in the body.
|Storage system and a method for allocating disk drives to redundancy array of independent disks|
A storage system that may include a management module; and multiple disk drives; wherein the management module is arranged to allocate disk drives of the multiple disk drives to disk drive groups, each disk drive group corresponds to at least one redundancy array of independent disks (raid) group of data in response to at least one out of: locations of the disk drives within disk drive enclosures; and expected or actual temperatures of the disk drives.. .
|Perpendicular recording medium for hard disk drives|
There is provided a perpendicular recording medium comprising: a substrate with a seed layer formed thereon; a soft underlayer formed on the seed layer; an orientation control layer formed on the soft underlayer; an intermediate layer formed on the orientation control layer; a flash layer formed on the intermediate layer, the flash layer comprising an oxide; and a recording layer formed on the flash layer.. .
|Write portion, thermally assisted magnetic head slider, head gimbal assembly, hard disk drive with the same, and manufacturing methods thereof|
A write portion for a thermally assisted magnetic head slider includes an air bearing surface facing to a magnetic recording medium; a write element having an opposed-to-magnetic recording medium surface; a waveguide for guiding light generated by a light source module mounted on a substrate of the thermally assisted magnetic head slider; and a plasmon unit provided around the write element, which has a near-field light generating surface for propagating near-field light to the air bearing surface. And only the opposed-to-magnetic recording medium surface of the write element is covered by a carbon layer.
|Interface voltage control operating point determination in a hard disk drive|
Approaches for an interface voltage control (ivc) system in a hard-disk drive (hdd), whereby the ivc operating point determination scheme utilizes non-contact spacing signals for calibration of ivc. While applying a series of input voltages to a slider, head-disk spacing signals are monitored, such as spacing signals from an embedded contact sensor or wallace spacing loss spacing signals.
|Analog tunneling current sensors for use with disk drive storage devices|
Amplifier architectures are provided for current sensing applications. An amplifier includes a load device, an operational amplifier, a current source, and a bipolar transistor.
|Pressure-sensitive adhesive sheet and magnetic disk drive|
A pressure-sensitive adhesive sheet according to the present invention includes a base including a metal layer, a first plastic film layer a, and a second plastic film layer b and a pressure-sensitive adhesive layer on a surface of the second plastic film b. The metal layer is positioned between the first plastic film layer a and the second plastic film layer b.
|Storage device having degauss circuitry configured for generating degauss signal with asymmetric decay envelopes|
A hard disk drive or other storage device comprises a storage medium, a write head configured to write data to the storage medium, and control circuitry coupled to the write head. The control circuitry comprises degauss circuitry coupled to or otherwise associated with one or more write drivers.
|Handle module, hard disk drive assembly, and server|
A handle module, a hard disk drive (hdd) assembly, and a server are provided. The server includes a case with a mounting hole, a main board, and the hdd assembly.
|Solid state drive cache recovery in a clustered storage system|
A storage system that includes multiple nodes, each node comprises a ssd cache and a management module and hard disk drives that are coupled to the nodes. The management module of each node is arranged to manage a ssd cache map that comprises multiple entries for storing mappings from logical addresses to ssd cache physical addresses and to physical addresses in the hard disk drives.
|Temperature-defined data-storage policy for a hybrid disk drive|
Data is stored in a hybrid drive that includes a magnetic storage medium and a non-volatile solid-state device using a temperature-defined data-storage policy. According to the temperature-defined data storage policy, the drive can perform operations for modulating the temperature of the drive, minimizing increased wear on memory cells in the non-volatile solid-state device, and/or preventing data stored in the non-volatile solid-state device from being lost..
|Creating logical disk drives for raid subsystems|
A computer storage system includes multiple disk trays, each disk tray holding two or more physical disks. The disks on a single tray are virtualized into a single logical disk.
|Removable speaker structure for electronic device|
The present invention provides a removable speaker structure for electronic device, which uses the space for the optical disk drives in electronic devices such as notebook computers or in docking stations. After removing the optical disk drive, the removable speaker can be placed.
|Disk drive unit|
A disk drive unit includes a base, a hub rotatably supported on the base and including a setting part on which a recording disk is to be set, and a bearing unit having one end fixed to the base and another end holding the hub. The hub includes a cut surface formed by cutting a nonferrous metal or a steel material, and the cut surface includes a surface treatment layer formed thereon and preventing peeling of micro residue adhered on the cut surface..
|System and method for providing controllable steady state current waveshaping in a hard disk drive (hdd) preamplifier|
Aspects of the disclosure pertain to a system and method for providing controllable steady state current waveshaping in a preamplifier of a data storage system (e.g., hard disk drive). The preamplifier provides an output including a write current waveform having a steady state current level that is controllable via the write block circuitry of the preamplifier.
|Storage device with reflection compensation circuitry|
A hard disk drive or other storage device comprises a storage medium, a write head configured to write data to the storage medium, and control circuitry coupled to the write head. The control circuitry comprises a write driver configured to generate a write signal comprising a write pulse, and reflection compensation circuitry coupled to or otherwise associated with the write driver and configured to provide one or more reflection compensation pulses in the write pulse..
|Calibration of ramp location in a disk drive employing spiral-based self servo writing|
The location of a load/unload ramp in a disk drive is calibrated by monitoring servo spirals that are crossed by a magnetic read/write head during an unload process. Monitoring the number servo spirals crossed allows an accurate velocity of the read/write head to be determined.
|Button mechanism and related electronic device|
A button mechanism includes a base, a button and two resilient components. The base includes an accommodating slot structure and two guiding pillars, the pillars are disposed by sides of the accommodating slot structure.
|Procedure on bonding using mechanically-controlled bonding tool|
Embodiments herein disclose a mounting device for attaching a quad to an extender during a hard disk drive manufacturing process. Specifically, the mounting device includes a quad clamp for fastening the quad onto the surface of the mounting device and an extender clamp for fastening the extender to the mounting device.
|Optical disk drive including spindle unit and chucking structure|
Provided is a spindle unit. The spindle unit includes: a spindle motor having a rotation shaft; a turntable that is coupled to the rotation shaft and supports a data storage device; and a sliding cone coupled to the turntable so as to elastically move up and down and to be inserted into a hole formed at the data storage device.
A controller for controlling data i/o to and from the drive updates first redundant data and block data of a corresponding data stripe in the disk drive in correspondence with an update of block data of the logical volume, and the controller updates second redundant data on the basis of a predetermined number of block data which belong to the same data stripe as the updated block data with different timing from the update of the block data.. .
|System for cooling hard disk drives using vapor momentum driven by boiling of dielectric liquid|
A system for cooling hard disk drives (hdds) includes: an enclosure having a lower volume within which a cooling liquid is heated to a boiling point temperature to cause some of the cooling liquid to evaporate into a plume of rising vapor; a hdd cooling area with at least one hdd placed in the direct path of the rising vapor, which cools the at least one hdd during functional operation of the at least one hdd; and a heat source that dissipates heat into the lower volume of the enclosure, sufficient to heat the cooling liquid to the boiling point temperature. The system can also include a condenser located above both the hdd cooling area.
|Multipiece deck for hard disk drive|
An apparatus is provided, including a base-deck floor; a base-deck frame, overlying the base-deck floor; a top cover, overlying the base-deck frame; and an affixing means operable to attach the base-deck frame to the base-deck floor, wherein the base-deck frame is operable to be fastened to both the base-deck floor and the top cover to provide a housing for a hard disk drive. A method is also provided, including assembling at least a portion of a hard disk drive assembly on a base-deck floor; affixing a base-deck frame to the base-deck floor; and securing a top cover to the base-deck frame..
|Methods for implementation of an archiving system which uses removable disk storage system|
According to the disclosure, embodiments of archival storage system are disclosed. The archival storage system includes two or more removable disk drives that provide random access and are readily expandable.
An ejection mechanism has a base, a rotation disk and a feeding station. The base is configured for mounting of the rotation disk and the feeding station, the base further includes an arched guiding track, and the arched guiding track is disposed around the rotating gear.
|Disk drive unit|
A disk drive unit includes a rotor including a disk setting part on which a disk is set, a bearing unit configured to rotatably support the rotor, wherein the bearing unit includes a shaft member and a bearing member surrounding the shaft member, and a lubricant provided in a gap between the shaft member and the bearing member, a fixed body configured to support the bearing unit, and a capturing body, provided in a space communicating from a gas-liquid interface of the lubricant to a disk accommodating space in which the disk is accommodated, configured to capture the lubricant vaporizing from the gas-liquid interface.. .
|Hard drive cooling for fluid submersion cooling systems|
Hard disk drives and computing systems to which they are connected are cooled by submerging the computing systems into a dielectric liquid coolant in a tank and by thermally coupling the hard disk drives to a heat conductive extension that is partly submerged into the coolant and partly out of the coolant. To keep the hard disks drives out of the coolant, they are mounted to the part of the heat conductive extension that is out of the coolant.
|Storage device and motherboard for supporting the storage device|
A motherboard assembly includes a motherboard and a storage device. The motherboard includes an expansion slot, a platform controller hub (pch), a power circuit, a central processing unit (cpu), and a switch unit.
|Disk drive device and manufacturing method thereof|
A disk drive device includes a stationary body, a rotating body on which a recording disk is to be mounted, and a fluid bearing unit that supports the rotating body in a freely rotatable manner relative to the stationary body. The fluid bearing unit includes a lubricant that is fluorescent..
|Spindle motor with hydrodynamic bearing structure having capillary seal and disk drive apparatus including same|
A lubricating oil is arranged between stationary and rotating portions of a spindle motor. When the motor is stationary, upper and lower surfaces of the lubricating oil are respectively located in upper and lower capillary seal portions.
|Disk drive device|
A disk drive device comprises a chassis, an annular hub having an outer periphery on which a recording disk is to be mounted, and having an inner periphery to which an annular magnet is fastened, a fluid bearing unit that supports the hub in a manner freely rotatable relative to the chassis, an opposing wall formed annularly on the surface of the chassis at the hub side, and facing with at least partially the inner periphery of the hub in the radial direction, a first gap that extends in the axial direction between the inner periphery of the hub and the opposing wall, and a second gap that is continuous from the first gap and extends in the radial direction between the end face of the hub and the chassis.. .
|Method and apparatus housing a hard-disk drive using a tray with anchoring strips|
A method and apparatus discloses a tray configured to house a hard-disk drive (“hdd”) using at least one semi-flexible anchoring strip. An hdd assembly device, in one aspect, includes a tray, a u-shaped semi-flexible anchoring frame, and an hdd.
|Rebuilding drive data|
A method that includes identifying an inaccessible portion of a first disk drive. The method also includes regenerating data corresponding to the inaccessible portion of the first disk drive and storing the regenerated data to a second disk drive.
|Hybrid hard disk drive having a flash storage processor|
An apparatus is described that is configured to control operations in a hybrid hard disk drive. In an implementation, the apparatus includes a hybrid flash storage processor connected to the host interface that is configured to communicatively couple a flash storage component and to a hard disk integrated circuit chip.
|Portable computer with data storage device|
A portable computer includes a motherboard and an optical disk drive (odd) which itself houses a usb connector. The motherboard includes a south bridge (sb) chip.
|Motor and disk drive apparatus|
A motor for use in a disk drive apparatus includes a bearing, a rotary unit, a stator, a thin flat base member, and a cylindrical holder extending in an axial direction. The base member includes a first through-hole, a peripheral edge portion, and a thin portion.
|Disk drive with distributed codeword blocks|
Disk drives are described in which blocks of data spanning multiple sectors are encoded into a plurality of codewords which are then divided into segments that are physically separated (distributed) on the disk surface over multiple sectors in a distributed codeword block so that the codewords have an improved worst case snr in comparison to individual sectors. This results in more even snr performance for each codeword, which improves the performance for portions of a track which have lower than the average snr.
|Method and system for governing an enterprise level green storage system drive technique|
A method and system for manipulating a spin state of each disk in a drive array is disclosed. In one embodiment, a method includes monitoring input/output (i/o) requests to each disk drive in a disk array and identifying any disk drive as an inactive disk drive based on a number of i/o requests directed to said any disk drive for a given time interval.