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| Number | Title | Issue Date |
| 7428125 | Rotating disk storage device and pivot bearing Embodiments of the invention position accurately an actuator head suspension assembly (AHSA) relative to a magnetic disk without using any positioning jig, as achieved through a simple structure and involving no increase in manufacturing, and to prevent the AHSA fro... | 09/23/2008 |
| 7420784 | Rotating disk storage device with high rigidity flexible printed circuit board A flexible printed circuit board using a lead-free solder is to be fixed within a disk enclosure while ensuring a high rigidity. In one embodiment, a rotating disk storage device comprises a flexible printed circuit board (FPC), wherein there is formed a wiring patt... | 09/02/2008 |
| 7389571 | Retaining ring attaching device and data storage Embodiments of the invention provide a retaining ring attaching device capable of improving assembling efficiency and a data storage device fabricating method. In one embodiment, a C ring attaching device included in a hard disk drive assembling apparatus expands a ... | 06/24/2008 |
| 7369914 | Method for projecting build progression for a product in a manufacturing environment A computer implemented method is used for determining a product build schedule for sequential fabrication steps. The computer implemented method comprises: receiving a routing of the sequential fabrication steps; assigning a raw process time to a fabrication step in... | 05/06/2008 |
| 7365930 | Load/unload mechanism for magnetic disk drive Formation of wear powder caused by wear of a ramp which is attributable to mutual contact of a lift tab and the ramp is to be reduced in loading and unloading operations. In one embodiment, a spindle motor is turned on by application of power, then the temperature o... | 04/29/2008 |
| 7364307 | Method and system for a beam projector having data manipulation capabilities A method and system for a beam projector having data manipulation capabilities. The beam projector includes a central processing unit integral with the beam projector, a memory portion coupled with the central processing unit and a signal-receiving portion coupled w... | 04/29/2008 |
| 7365531 | Magnetic reader recording characterization at slider or bar level An apparatus for reader characterization is described. The apparatus includes a rotator for rotating a media. The media can contain a signal having a value for a function of a read/write head being assessed. The rotator is operable in conjunction with said apparatus... | 04/29/2008 |
| 7359138 | Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider In method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider, a slider is isolated from ground. A velocity signal is acquired from the slider. The velocity signal is filtered to acquire a vibration signal. The vibrati... | 04/15/2008 |
| 7352537 | Tuned damper for disk drive actuator arm Embodiments of the present invention include a disk drive actuator arm for reducing amplitude of vibration modes substantially planar to a disk surface. The actuator arm comprises a plurality of head arms coupled to the actuator arm, the head arms substantially equa... | 04/01/2008 |
| 7352532 | Method and apparatus for utilizing a small pad to increase a head to a disk interface reliability for a load/unload drive An apparatus and method for utilizing a small pad to increase a head to a disk interface reliability for a load/unload drive. The method provides a suspension for reaching over a disk. A slider having a read/write head element on a trailing edge (TE) portion is also... | 04/01/2008 |
| 7352534 | Flexure leg optimization shapes for lateral stiffness Embodiments of the present invention include A head suspension assembly for a data storage device comprising a load beam and a Femto flexure coupled to the load beam, wherein the Femto flexure is a laminate structure comprising a support layer, the flexure comprisin... | 04/01/2008 |
| 7352535 | Method and apparatus for reducing crosstalk and signal loss in flexing interconnects of an electrical lead suspension A method and apparatus for reducing crosstalk and signal loss in an electrical interconnect is disclosed. The electrical interconnect includes a laminate. A plurality of signal traces and a subsequent plurality of traces are in a first formed layer of the laminate. ... | 04/01/2008 |
| 7345850 | Method and apparatus for utilizing an off-center gimbal to increase head to disk interface reliability for contact recording systems An apparatus and method for utilizing an off-center gimbal to increase head to disk interface reliability for contact recording systems. The method provides a suspension for reaching over a disk. A slider having a read/write head element on a trailing edge (TE) port... | 03/18/2008 |
| 7344060 | Apparatus and method for aligning solder pads during head gimbal assembly soldering A device for orienting an integrated lead suspension tail during a head gimbal assembly soldering operation of a head stack assembly process is disclosed. The device includes a body portion and at least one pin extending from the body portion. The pin(s) is configur... | 03/18/2008 |
| 7333283 | Disk drive device with temperature and humidity control Embodiments of the invention provide a disk drive device excellent in reliability that can reduce influence of a temperature change in an environment of use. In one embodiment, a disk drive device includes a disk drive mechanism that records information in a disk or... | 02/19/2008 |
| 7286326 | Magnetic head with air bearing surface protection film Embodiments of the invention provide an air bearing surface protection film having good corrosive resistance, electrical insulative property and mechanical wear resistance in the state of an extremely thin film. In one embodiment, an air bearing surface protection f... | 10/23/2007 |
| 7275311 | Apparatus and system for precise lapping of recessed and protruding elements in a workpiece An apparatus and system for precise lapping of recessed and protruding elements in a workpiece is disclosed. According to one embodiment, a system is provided having an air bearing surface with electrical components embedded therein to provide a desired surface dime... | 10/02/2007 |
| 7271975 | Controlling head flying height in a data storage device Embodiments of the invention enable the flying of a slider to be lowered and increase recording density with a simple configuration in a magnetic disk apparatus. In one embodiment, a magnetic disk apparatus comprises a magnetic disk including tracks for recording da... | 09/18/2007 |
| 7260886 | Fastening a magnetic disk to a hub structure Embodiments of the invention provide a clamping mechanism capable of clamping a magnetic disk by an accurate fastening force. In one embodiment, a magnetic disk fastening method includes the steps of: mounting a magnetic disk on a hub structure, setting a thin plate... | 08/28/2007 |
| 7257880 | Method for assembling an actuator head suspension Embodiments of the invention provide a method for easily and reliably neutralizing charge in an assembly process for an actuator head suspension assembly used in a magnetic disk device. In one embodiment, a head suspension assembly includes a wire trace that include... | 08/21/2007 |
| 7251908 | Magnetic disk drive to alleviate damage from thermal asperity Embodiments of the invention prevent or alleviate head damage ascribable to the TA-causing sections (projections) of disks (TA is thermal asperity). With respect to a TA-causing section that has been detected during initial defect registration, X±A tracks in a radi... | 08/07/2007 |
| 7245457 | Magnetic disk drive using femto slider and having predetermined linear velocity and gram load configuration A magnetic disk drive includes a magnetic disk and a femto slider. The magnetic disk has a minimum track linear velocity of 1 to 5 m/s. In one embodiment, the magnetic disk drive includes a negative pressure type femto slider and adopts a load/unload method. A gram ... | 07/17/2007 |
| 7230800 | Microactuator for a hard disk drive with an integrated gimbal function A micro-fabricated chip having a stationary structure and a movable structure with a gimbal structure allows pitch and roll motion of the movable structure with respect to the stationary structure. One embodiment of the gimbal structure includes a dimple surface mak... | 06/12/2007 |
| 7210221 | Transfer system for assembling a head gimbal assembly A base plate and load beam for an HG assembly are formed in series, stacked, and transferred by a transfer system in the form of the stacked-layer series to undergo the necessary assembly processes such as layer joining, slider attachment, and electrical connections... | 05/01/2007 |
| 7178983 | Spindle motor and magnetic disk drive A rotational member and a stationary member included in a spindle motor provided with air bearings are electrically connected while the bearing is rotating, and abrasion of the rotational member and the stationary member at stages of starting and stopping and damagi... | 02/20/2007 |
| 7173790 | Magnetic disk apparatus with dual stage actuator In one embodiment, a magnetic disk apparatus comprises a magnetic disk for recording information; a magnetic head that reads information from, or writes information to, the magnetic disk; an actuator device that drives the magnetic head; and a control system that co... | 02/06/2007 |
| 7161766 | Base plate structure, transfer system, and method and apparatus for assembling a head gimbal assembly A base plate and load beam for an HG assembly are formed in series, stacked, and transferred by a transfer system in the form of the stacked-layer series to undergo the necessary assembly processes such as layer joining, slider attachment, and electrical connections... | 01/09/2007 |
| 7075749 | Apparatus and method to improve read/write speed of disk drive system A disk drive system and method for implementing the same. The disk drive system of the present invention includes a discoid medium which rotates about its rotation axis and stores data. An actuator includes a head for reading or writing data from or in the discoid m... | 07/11/2006 |
| 7070421 | Rotating disk storage device having connection structure between FPC and printed board Embodiments of the invention provide a rotating disk storage device including a connection structure between an FPC and a printed board and providing allowance for dimensional tolerances. In one embodiment, the rotating disk storage device includes a disk enclosure,... | 07/04/2006 |
| 6999272 | Apparatus and method to improve read/write speed of disk drive system A disk drive system and method for implementing the same. The disk drive system of the present invention includes a discoid medium which rotates about its rotation axis and stores data. An actuator includes a head for reading or writing data from or in the discoid m... | 02/14/2006 |
| 6958882 | Shock control for rotational recording apparatus A rotational recording apparatus that comprises a shock sensor and that adaptively processes the output of the shock sensor to obtain a feed forward signal, so as to implement a stable operation within a practical range. In a rotational recording apparatus wherein a... | 10/25/2005 |
| 6912105 | Magnetic disk device with firmly fixed yokes The present invention provides a magnetic disk device which firmly fixes the yokes of a rotary actuator between a base and a cover. The yoke can be made compact and the movable range of the rotary actuator can be wide. An attaching screw attaches a first yoke to a b... | 06/28/2005 |
| 6851861 | Lubricant retention design for disk drive fluid dynamic bearing spindle motor A lubricant retention design for a fluid dynamic bearing design in a spindle motor utilizes a labyrinth gap that is formed between the sleeve and the shaft of the bearing. The gap is used in conjunction with a barrier film to impede the flow of lubricant into the la... | 02/08/2005 |
| 6823581 | Apparatus for assembling a head gimbal assembly A base plate and load beam for an HG assembly are formed in series, stacked, and transferred by a transfer system in the form of the stacked-layer series to undergo the necessary assembly processes such as layer joining, slider attachment, and electrical connections... | 11/30/2004 |
