Match Document Document Title
US20100315738 MOTOR CONTROL DEVICE AND DISK DRIVE DEVICE  
The objective of this invention is to provide a motor control device, and a disk drive device using the same, in which during emergency operation it is possible to supply necessary power to the...
US20090002890 Spoiler with integrated bypass channel wall for HDD applications  
A spoiler implementable in a hard disk drive. The spoiler includes a structure. The structure includes a diffuser integrated therewith. The structure further includes an extension emanating there...
US20120281320 Magnetoresistive Shield with Stabilizing feature  
A magnetoresistive (MR) reader is adjacent to at least one shield that extends from an air bearing surface (ABS) a first distance. The shield has a stabilizing feature that is contactingly...
US20080198489 Cartridge drive diagnostic tools  
In one embodiment, a method of diagnosing an error in a cartridge drive, comprises detecting an occurrence of a defined event in a cartridge drive, in response to the defined event, initiating an...
US20070159725 Thermally insulated suspension load beam  
A suspension load beam for use in supporting a transducer head in a data storage system includes a front beam section, a rear beam section, and a middle beam section. The front beam section is...
US20080304185 Drum assembly associated with video tape machine  
A method of manufacturing a drum assembly associated with a digital betacam video tape machine is disclosed. The method includes providing a helical scan drum assembly having a stationary upper...
US20070025019 CARTRIDGE CASE AND DISC CARTRIDGE  
A cartridge case is constructed so as to be capable of enclosing an information medium inside a cartridge main body that includes a first shell and a second shell and is formed by placing the...
US20100309575 HARD DISK DRIVING CIRCUIT AND METHOD OF DRIVING SPINDLE MOTOR  
A hard disk driving circuit for reducing a maximum amount of current for driving a spindle motor, and a method of driving the spindle motor. The hard disk driving circuit include spindle motor, a...
US20130033783 MULTI-DIRECTIONAL SELF SERVO-WRITING FOR A DISK DRIVE  
A method of self servo-writing servo information to a plurality of disk surfaces in a disk drive that includes writing servo information to a plurality of disk surfaces in a first direction,...
US20140111887 Graded Bevel Tapered Write Pole Design for Field Enhancement  
A structure and a process for a perpendicular write pole that provides increased magnetic flux at the ABS is disclosed. This is accomplished by increasing the amount of write flux that originates...
US20140111886 Graded Bevel Tapered Write Pole Design for Field Enhancement  
A structure and a process for a perpendicular write pole that provides increased magnetic flux at the ABS is disclosed. This is accomplished by increasing the amount of write flux that originates...
US20090244764 BALANCE CORRECTION APPARATUS AND BALANCE CORRECTION METHOD  
A balance correction apparatus is configured to correct weight imbalance around an axis of a spindle motor, and includes a piezoelectric actuator configured to apply an impact to a housing, a...
US20090251828 Vertically stacked DFH heater design for protrusion shape control  
A vertically stacked DFH design in a read/write head is disclosed that allows independent control of write gap protrusion and read gap protrusion. A first heater is formed in an insulation layer...
US20060209641 Portable media player control panel relocator  
A control panel relocator device for use with a portable media player that has a built in control panel on a front surface of the device but does not have controls on a top surface. The control...
US20090067085 ACTUATOR SHROUD  
Devices are provided herein in a variety of examples that inhibit particle pickup and transport and mechanical vibrations and provide other advantages. In one illustrative example, an actuator...
US20070183084 Removable disk media including holographic optical disk stacked in a tape cartridge shell  
An automated data storage library employing a media accessor, an optical disk drive and a removable disk media. The media accessor includes a cartridge shell gripper. The optical disk drive...
US20120170155 MAGNETIC DISK DEVICE  
A magnetic disk device including a disk, a spindle motor, a base for supporting the spindle motor and the disk, a slider includes a head element. The device also includes an actuator including...
US20090122443 Disk Drive Carrier Assembly and Method  
A disk drive carrier assembly for carrying plural disk drives is provided. The assembly has a casing having first and second opposed ends, opposed sides, a top and a bottom. Drive cards are...
US20130329320 SUSPENSION, HEAD GIMBAL ASSEMBLY AND DISK DRIVE UNIT WITH THE SAME  
A suspension includes a positive write trace and a negative write trace. The positive write trace is separated into at least two positive write trace sections located at two different layers...
US20140078613 MOTOR DRIVE DEVICE, MAGNETIC DISK STORAGE DEVICE, AND ELECTRONIC APPARATUS  
A motor drive device has: a power supply line to which a power supply voltage is applied; a ground line to which a ground voltage is applied; and a first motor driver that, when the power supply...
US20150213817 HEATER TO KEEP READER HEAD IN STABLE TEMPERATURE RANGE  
Technologies are described herein for utilizing a head heater to test temperature stability of a head of a storage device and to prevent the head from operating in an unstable temperature...
US20060132981 Actuator of hard disk drive  
An actuator of a hard disk drive (HDD). The actuator includes an actuator arm installed to be rotatably connected to a base plate of the HDD and having a pivot hole, a VCM (voice coil motor) coil...
US20150199986 COARSE ACTUATOR POSITIONING ALGORITHM  
A method according to one embodiment includes generating or receiving a value representative of a lateral position of a tape. The value is used to adjust a position of a coarse actuator in...
US20130293981 SMART OPTIMIZATION OF TRACKS FOR CLOUD COMPUTING  
Optimization of tracks on a hard disk includes: determining I/O characteristics for data clusters to be stored on the hard disk; generating a set of solutions for each possible placement...
US20130194692 MAGNETIC DISK DRIVE AND METHOD FOR SERVO PREAMBLE LENGTH ADJUSTMENT APPLIED TO THE SAME  
According to one embodiment, a magnetic disk drive includes a disk and a controller. The disk includes a plurality of zones each having a plurality of tracks. The disk is formatted such that a...
US20090290261 CARRIAGE ASSEMBLY AND DISK DRIVE  
A carriage block body is coupled to a support shaft for relative rotation. A carriage arm extends from the carriage block body along an imaginary plane perpendicular to the longitudinal axis of...
US20120243124 ACTUATOR WITH NON-MOVING MASS  
An actuator for a tape drive is disclosed. The actuator has a moving mass and a non-moving mass. The non-moving mass is at least 107 grams.
US20090279210 RAMP ARRANGEMENT FOR A DISK DRIVE AND METHOD  
A digital storage apparatus includes a housing defining a housing interior and defining a ramp support surface. A disk is supported for rotation in the housing. A head gimbal assembly is supported...
US20070206326 Air bearing surface of a hard disk drive head  
A head for a hard disk drive. The head includes an air bearing surface that has a central pad. The central pad contains the read/write transducers of the head. The air bearing surface has a...
US20120105996 THERMALLY ASSISTED MAGNETIC WRITE HEAD EMPLOYING A NEAR FIELD TRANSDUCER (NFT) HAVING A DIFFUSION BARRIER LAYER BETWEEN THE NEAR FIELD TRANSDUCER AND A MAGNETIC LIP  
A thermally assisted magnetic write head having a near-field transducer, a magnetic lip and a diffusion barrier layer between the near-field tranducer and the magnetic lip. The near-field...
US20090174961 Target Of Opportunity In An Automated Data Storage Library  
A method is provided for utilizing target of opportunity to perform at least one special operation while a removable storage medium is mounted within a data storage drive for another purpose. A...
US20150015993 BASE ASSEMBLY, SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME  
There is provided a base assembly including: a base member formed by performing plastic deformation on a steel sheet to be at least partially bent; and a flexible printed circuit board disposed on...
US20140177097 HARD DISK DRIVE MODULE HAVING TEMPERATURE DETECTING FUNCTION  
A hard disk drive module comprises a hard disk drive, a bracket, a hard disk drive backplane, and a temperature detecting circuit. The bracket supports the hard disk drive. The hard disk drive...
US20140240863 MAX-LOG-MAP EQUIVALENCE LOG LIKELIHOOD RATIO GENERATION SOFT VITERBI ARCHITECTURE SYSTEM AND METHOD  
A modified soft output Viterbi algorithm (SOVA) detector receives a sequence of soft information values and determines a best path and an alternate path for each soft information value and further...
US20110235208 METHOD OF DETECTING THE TOUCH-DOWN OF A HEAD, METHOD OF ADJUSTING A HEAD FLYING HEIGHT USING THE METHOD OF DETECTING THE TOUCH-DOWN OF THE HEAD, AND DISK DRIVE USING THE METHOD OF DETECTING THE TOUCH-DOWN OF THE HEAD  
A method of detecting a touch-down of a head in a disk drive, a method of adjusting a head flying height by using the method of detecting a touch-down of a head, and a disk drive using the method...
US20070268622 DUAL THICKNESS CARBON OVERCOAT  
A transducer carrying structure includes a first portion carrying the transducer, a second portion spaced from the transducer, and a spacing control actuation system operable to adjust a position...
US20130114163 MAGNETIC STORAGE DEVICE WITH DUAL STAGE HUMIDITY CONTROL  
Approaches for desiccant device having a dual stage humidity control for use within sensitive electronic equipment. Electronic equipment, such as a hard-disk drive (HDD), may comprise a desiccant...
US20150092297 PROTECTION OF A MAGNETIC DISK UNIT ON A PORTABLE COMPUTING DEVICE  
A portable computing device prevents a magnetic disk unit protecting function from impairing usability for a user when the processor is used as a tablet PC. The portable computing device includes...
US20120212854 SHUNT FOR MAGNETORESISTIVE TRANSDUCER HEADS FOR ELECTROSTATIC DISCHARGE PROTECTION  
A magnetoresistive transducer head assembly includes a reader element, a writer element and a high impedance shunt electrically connecting the reader element and the writer element. The high...
US20090002869 POSITIONING OF PLANTS IN SERVO SYSTEMS  
Apparatus is provided for fast-adjustment of the position of a plant in a servo system in which a servo output indicative of the plant position is provided to a positioning system for positioning...
US20150170688 GREASE COMPOSITION ADDITIVE FOR PIVOT BEARING ASSEMBLIES  
A magnetic hard disk drive compromising a head along a suspension pivoted by a pivot bearing assembly that utilizes a grease composition is provided. The grease composition comprises an additive...
US20080225434 Clamping Device of Spindle Motor  
Provided is a clamping device of a spindle motor including a body, a stopper, a weight, and an elastic member. The stopper is coupled to the body. The weight is coupled to the stopper. The elastic...
US20090091857 SYSTEM AND APPARATUS FOR MASS-BALANCED SPOILER IN DISK STORAGE DEVICES  
A system and apparatus for reducing flutter in disk drive spoilers positions the center of mass of the mean aerodynamic section of the spoiler at or ahead of the quarter-chord location nearest the...
US20100014179 Media library system and method for monitoring changes in inventory of media cartridges  
A method for monitoring changes in an inventory of media cartridges in a media library includes the steps of determining with a controller that the inventory of media cartridges in the media...
US20130094110 SUSPENSION CLAMP FOR CLAMPING A DISK DRIVE SUSPENSION TO AN ACTUATOR ARM  
A suspension clamp is disclosed for clamping a disk drive suspension to an actuator arm. The suspension clamp comprises a housing including a spring operable to bias a latching member, wherein the...
US20090002859 Data storage tape recertification  
The invention is directed to techniques for erasing data storage tape for reuse. In an embodiment, an erase head module for erasing data storage tape comprises a set of erase gaps and one or more...
US20090279202 HEAD DESIGN FOR WRITING SERVO PATTERNS ON MAGNETIC TAPE  
A servo write head is provided and is configured to simultaneously write at least two servo patterns in respective servo bands on linear magnetic tape. Centerlines of the servo patterns are...
US20120081811 DISK DRIVE AND METHOD OF WRITING TO DISK USING DISK DRIVE  
A method of writing to a disk using a disk drive includes determining a first sensing value using a first output value output from a disturbance sensor during a writing operation for multiple...
US20080266711 TAPE HEAD HAVING A PROTECTIVE LAYER AND A METHOD OF APPLYING A PROTECTIVE LAYER TO A TAPE HEAD  
A tape head for use with a magnetic tape includes a support structure that has a tape bearing surface that is configured to engage the magnetic tape as the magnetic tape passes over the support...
US20070279799 Method of making storage disk drive having reduced space between storage disk and rectifier plate  
A storage disk drive includes storage disks and spacer or spacers stacked in the axial direction of a spindle around a spindle hub. The maximum allowances of axial dimensions of storage disks and...