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| Number | Title | Issue Date |
| 7289285 | Information storage systems An information storage apparatus includes a storage media including a plurality of information tracks. Each storage medium has a head assembly having a substantially planar surface and a plurality of read/write heads positioned in registry with the information track... | 10/30/2007 |
| 7251893 | Tribological applications of polyelectrolyte multilayers One aspect of the present invention relates to an implantable medical device comprising a surface coated with a polyelectrolyte multilayer, wherein said surface is glass, metal, plastic, polymer, or fiberglass. Another aspect of the present invention involves a meth... | 08/07/2007 |
| 7206164 | Adhesive sheet shaft support in a data storage device An actuator pivot assembly in a data storage device includes a base, a cover attached to the base, and a shaft mounted on the base and extending upward into a hole defined by the cover. A sheet on top of the cover spans the hole, and an adhesive layer beneath the sh... | 04/17/2007 |
| 7099118 | One-piece suspension assembly including interconnect An integrated suspension assembly including interconnect is used to provide an electrical and mechanical connection between an actuation system and a slider. The suspension assembly includes a multi-layer laminate substrate having a base layer, an insulator layer an... | 08/29/2006 |
| 7097477 | Techniques for controlling coupling between a motherboard and a daughter card An improved interconnection assembly is configured to couple to only one of a first daughter card having a first arrangement of connectors and a second daughter card having a second arrangement of connectors. The interconnection assembly includes a motherboard and m... | 08/29/2006 |
| 7095594 | Active read/write head circuit with interface circuit A method and apparatus for collocating an interface circuit with a disk drive read/write head is described. In one embodiment the interface circuit is attached to the load arm on one side and the miniflex interconnect on the other. The read/write head is mounted on ... | 08/22/2006 |
| 7012788 | Spacer ring for disk drive spindle with load/unload feature, latch feature, and tribological overcoat A hard disk drive utilizes a spacer ring at its inner diameter to load and unload the read/write heads. During relatively small shock events, the actuator is retained relative to the disk through a circumferential groove in the spacer ring. A complementary protrusio... | 03/14/2006 |
| 6985333 | Load/unload-type disk drive slider having a negative pressure reduction hole The present invention generally relates to a disk drive and methods for operating the same. A venting assembly of this disk drive generally includes a slider having an air bearing surface system for generating positive pressure to urge the slider away from a data st... | 01/10/2006 |
| 6917496 | Spacer ring for disk drive spindle with load/unload feature, latch feature, and tribological overcoat A hard disk drive utilizes a spacer ring at its inner diameter to load and unload the read/write heads. During relatively small shock events, the actuator is retained relative to the disk through a circumferential groove in the spacer ring. A complementary protrusio... | 07/12/2005 |
| 6480360 | Method of accessing a disk-like recording medium in a disk cartridge In a removable disk storage apparatus, a reading/writing head can be stably and reliably moved so as to correspond to an information recording medium. A rotation supporting member for supporting the reading/writing head is formed of a rotary arm and an el... | 11/12/2002 |
| 6278570 | Method and apparatus for moving a head arm assembly to a landing zone in a disk drive storage device The present invention provides a method and apparatus for moving a head arm assembly to a landing zone in a disk drive storage device. In disk drive according to the present invention, a control means responds to termination of a read/write operation by a... | 08/21/2001 |
| 6172856 | Magnetic head transferring device with improved magnetic head unlocking for hard disk drives In a magnetic head transferring device of a hard disk drive, a rotor is rotatably mounted on a base and has a magnetic head for recording/reproducing information on/from the disk. A stator is installed on the base for actuating the rotor to move across a ... | 01/09/2001 |
| 6078471 | Data storage and/or retrieval method and apparatus employing a head array having plural heads A data storage and retrieval system reads and/or writes data onto a data storage disk defining a recording surface having a radial dimension and at least one data track directed generally transverse to the radial dimension. The system includes a housing h... | 06/20/2000 |
| 6002552 | Adaptive loading/unloading suspension A head gimbal assembly includes an adaptive loading/unloading suspension with an aerodynamic compensation mechanism formed with or attached to the load beam. The compensation mechanism causes a variable and programmable dynamic gram load to be applied on ... | 12/14/1999 |
| 5854721 | Balancing device of actuator in hard disk drive A balancing device of an actuator in a hard disk drive, for mass balancing an actuator arm which rotates about a pivot bearing. The balancing device includes an actuator arm having a mounting hole at a distal end therein, and being adapted to carry a head... | 12/29/1998 |
| 5825576 | Information storage unit with magnetic information disc An information storage unit comprises a frame (1), a magnetic information disc (9, 10), particularly a magnetic hard disc, which is rotatable about an axis of rotation (910). A magnetic head (52-55) is arranged on a pivotable support (56-59), and a liftin... | 10/20/1998 |
| 5305165 | Tribo-attractive contact data storage system A contact magnetic storage system in which the slider, which supports the magnetic read/write head, is in physical contact with a rigid magnetic storage medium during system operation at a selected operating speed. The slider material has a load versus fr... | 04/19/1994 |
| 5231557 | Magnetic disk apparatus having rotary type actuator and a height reducing return spring A magnetic disk apparatus includes a magnetic head, a magnetic disk, and a rotary actuator to move the magnetic head onto the magnetic disk. The rotary actuator includes a center shaft fixed to a disk enclosure, a carriage supporting the magnetic head and... | 07/27/1993 |
| 4884155 | Self-loading head assembly for disk drives A head assembly for use in connection with a disk storage unit in a digital data processing system. The head assembly maintains a bellows arrangement for loading the head, with air entrained with the disk during disk rotation filling the bellows to force ... | 11/28/1989 |
| 4862302 | Air bladder apparatus for positioning a magnetic head In an actuator for the recording and reading of information on a magnetic memory disk of the type having a pair of flexures suspended from a support arm, a low mass pneumatic apparatus for bringing a magnetic head into proximity with a disk. The support a... | 08/29/1989 |
| 4812933 | Magnetic disc recording and reproducing device A magnetic disc recording and reproducing device of the type having floating type magnetic head adapted to be displaced by a drive motor, said device comprising a magnetic head automatic returning means including a pinion mounted on a shaft of the drive m... | 03/14/1989 |
| 4670804 | Expandable suspension for a read/write head in a disk file A suspension for an air-bearing slider 32 in a data recording disk file is an envelope 30 which expands when pressurized air enters the envelope interior. The envelope 30 includes a pair of flat flexible sheets 50, 52, preferably of polyimide, which are s... | 06/02/1987 |
| 4019205 | Disc drive with rotary access mechanism A disc drive for mounting a plurality of disc packs, with head access mechanism for the packs being driven by a single rotary drive.... | 04/19/1977 |
