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| Number | Title | Issue Date |
| 8189287 | Equalization and minimization of multi-head stack assembly's motion during self servo writing and HDD operation A disk hard disk drive that includes a spindle motor and an actuator arm coupled to a base plate. A plurality of disks are coupled to the spindle motor and a plurality of heads are coupled to the actuator arm and the disks. The drive also includes a cover attached t... | 05/29/2012 |
| 8184396 | Disk drive device with hub having a rotational frequency of axial run-out smaller than 0.1 μm for improved shock resistance The disk drive device includes a base plate, a hub on which a recording disk is mounted, a shaft bearing unit that is arranged on the base plate and that rotatably supports the hub, and a spindle drive unit that drives the hub to rotate. The spindle driving unit inc... | 05/22/2012 |
| 8184395 | Magnetic recording and reproducing apparatus with thin-film magnetic head having microwave magnetic exciting function A magnetic recording and reproducing apparatus includes a metal housing, a magnetic recording medium having a magnetic recording layer, and a thin-film magnetic head having a write magnetic field production unit and a resonance magnetic field production unit. The ap... | 05/22/2012 |
| 8179631 | Magnetic disk drive feed-through solder connection with solder fillet formed inside base and protruding outside base Embodiments of the present invention help to achieve a solder joining structure having high reliability, in which even if a componential material of a flange of a feed-through of a sealed magnetic disk drive is an iron-based material such as Kovar™, and a componen... | 05/15/2012 |
| 8164848 | Snubber for disc drive for prevention of user reported defects A disc drive snubber for protection of a disc drive disc from mechanical shock, the snubber positioned to limit the deflection of the disc in the operational mode, the position of the disc snubber determined in response to user reported defects. The snubber, positio... | 04/24/2012 |
| 8159777 | Portable electronic device with multipurpose hard drive circuit board A hard drive for a portable electronic device is provided that contains a multipurpose circuit board. The multipurpose circuit board may be mounted within a hard drive housing. System components and hard drive controller components may be mounted to the multipurpose... | 04/17/2012 |
| 8149534 | Protective coatings for data storage devices A data storage device comprising a storage medium having a recordable surface, a transducing head having a bearing surface positioned adjacent to the recordable surface of the storage medium, and at least one compound disposed between the recordable surface and the ... | 04/03/2012 |
| 8144422 | Air bearing surface method and apparatus optimizing flying height on demand efficiency during flying height on demand activity of slider in a hard disk drive A slider including air bearing surface with Flying height On-Demand (FOD) protrusion with method of controlling airflow to maximize FOD efficiency as ratio of change in vertical position to protrusion height. Slider including components controlling the air flow to m... | 03/27/2012 |
| 8130466 | Disk drive and magnetic circuit fixing method for the same A disk-drive magnetic circuit fixing structure and fixing method for fixing a magnetic circuit to a base by means of a plurality of screws, wherein provisions are made to substantially prevent a microscopic sliding movement involving impulsive vibration from occurri... | 03/06/2012 |
| 8125731 | Encoder module with a sliding assembly An encoder module with a sliding assembly comprises a cover, a disk, a reading head, a bottom plate, and a sliding unit; wherein in assembly, the disk is installed at an upper front side of the bottom plate; the reading head is installed upon a front side of the sli... | 02/28/2012 |
| 8111478 | Reducing a spreading of contaminants within a hard disk drive Reducing a spreading of contaminants within a hard disk drive is described. An adhesive is applied to a first side of a desiccant. Then, the desiccant is utilized to cover a component of a hard disk drive, the component comprising a countersink area surrounding a fa... | 02/07/2012 |
| 8102648 | Drive bezel connector couplings An information handling system (IHS) includes an IHS chassis defining a drive bay. A processor is located in the IHS chassis. A drive chassis is located in the drive bay. A bezel extends from an edge of the drive chassis. A first connector coupling is located on the... | 01/24/2012 |
| 8068309 | Vibration damper for actuator assembly The present disclosure provides a vibration damper for an actuator assembly. One exemplary embodiment relates to an actuator assembly including a magnetic assembly configured to produce a magnetic field and an actuator movable relative to the magnetic assembly in re... | 11/29/2011 |
| 8035915 | Magnetic disk drive having circuit board apertures fitted with protrusions to achieve efficient layout of circuit elements Embodiments of the invention provide an efficient layout of circuit elements on a circuit board. A hard disk drive (HDD) according to one embodiment of the present invention is provided with a circuit board. The circuit board has an IC of HDC, MPU, and R/W channel, ... | 10/11/2011 |
| 8031430 | System, method, and apparatus for lightweight spoiler wing design for de-populated disk drives A lightweight spoiler wing design for depopulated disk drives reduces unnecessary weight from the spoiler while maintaining the aerodynamic function and structural rigidity required. The invention includes spoiler designs having U-shapes with leading edge or trailin... | 10/04/2011 |
| 8031431 | Disk drive having a top cover with anchor tabs A novel disk drive includes a top cover having a plurality of integral anchor tabs extending towards a disk drive base. Each of the plurality of anchor tabs includes a hooking surface that faces the top cover. The disk drive base includes a plurality of retention ca... | 10/04/2011 |
| 8000097 | Information processing device and disk drive device An information processing device is provided. The device includes an upper enclosure; a lower enclosure which supports the upper enclosure with a varied attitude and on which the upper enclosure may be superposed; a disk drive device stored in the upper or lower enc... | 08/16/2011 |
| 7983000 | Removable disk drive mounting device including a first holder pivotally connected to second holders which in turn are detachably connected to a handle A removable hard disk device includes a handle, a first holder, a hard disk drive located between the handle and the first holder, and two second holders pivotally connected to ends of the first holder and detachably connected to ends of the handle with the two seco... | 07/19/2011 |
| 7974041 | Hard disk drive base having a depression formed by pressing without cutting The base improves manufacturing efficiency and yield and has an advantage in cost. The base includes a panel having a through-hole, a motor holder, having a cylindrical shape that protrudes from a first face of the panel in a thickness direction of the panel, integr... | 07/05/2011 |
| 7961425 | Protection structure to receive a portable memory device with less locking structure A cover assembly for a portable hard disk comprises an assembling unit having a frame hole at a front side thereof; the assembling unit having an opening; the opening causing the assembling unit being divided into an upper portion and a lower portion; two ribs servi... | 06/14/2011 |
| 7957091 | Recordable disc with fluid bearing features A device comprises a fluid bearing including a textured fluid bearing surface and a second surface and a recordable disc. The recordable disc includes a substrate, a recordable media layer on the substrate, and at least one of the textured fluid bearing surface and ... | 06/07/2011 |
| 7940491 | Information storage device having a disk drive and a bridge controller PCB within a monolithic conductive nest An information storage device includes a disk drive and a disk drive printed circuit board (PCB) with a disk drive interface connector. A bridge controller PCB is connected to the disk drive interface connector, and includes a host interface connector. An electrical... | 05/10/2011 |
| 7869205 | Data processing device A data processing device including a first housing, a second housing, and a bracket is provided. The bracket is disposed between the first housing and the second housing. The bracket has a body and a plurality of supporting ends. The body has a bearing surface and a... | 01/11/2011 |
| 7835110 | MEMS disc drive A micro-electromechanical systems (MEMS) disc drive includes high-precision and integrated components to allow for increased functionality, robustness and reduced size as compared to currently produced disc drives. Integrating multiple subcomponents of the disc driv... | 11/16/2010 |
| 7826171 | Interconnect architecture for disc drive array In general, the invention is directed to techniques for integrated interconnects with a set of disc drives. The interconnects allow for a set of disc drives to be positioned in an array; for example, as set of disc drives may be stacked to communicate with a device ... | 11/02/2010 |
| 7813119 | Method and apparatus for reducing coupled hard disk drive vibration Some embodiments of the present invention provide a system that includes a first hard disk drive (HDD) and a second HDD. Within this system, the first HDD is coupled to the second HDD in a non-parallel configuration, which reduces rotational vibration transmitted be... | 10/12/2010 |
| 7760464 | Base for data storage device with parallelism mounting features An apparatus and associated method for making a base for a data storage device. The base has a plurality of raised pads defining coplanar supporting surfaces. The surfaces are adapted for supportingly engaging intermittent portions of a component supported by the ba... | 07/20/2010 |
| 7733599 | Structure to prevent deformation of magnetic disk device housing Embodiments of the invention provide a magnetic disk unit in which there has been adopted a structure fixing a base and a top plate and preventing a deformation by a bimetal effect. In one embodiment, the magnetic disk unit includes a magnetic disk; a head drive mec... | 06/08/2010 |
| 7733600 | Hard disk drive and wireless data terminal using the same A hard disk drive is provided with a platter, a spindle motor for driving the platter, an arm with a magnetic head attached to a distal end thereof, a voice coil motor for driving the arm, a first circuit substrate, and a drive casing for accommodating and electrica... | 06/08/2010 |
| 7729082 | Application of PFPES for HDD screw lubricant The present invention relates to HDD screws, and more specifically to lubricating the HDD screws. HDD screws may be coated in a layer of a PFPE based lubricant to reduce friction while fastening the screw into a HDD. In addition to providing superior lubricity and r... | 06/01/2010 |
| 7701663 | Hard disc drive including ground rib to connect cover and base A hard disk drive includes a base including a plurality of internal parts related to reading and writing of information. The hard disk drive also includes a cover which shields an upper surface of the base. The hard disk drive also includes a ground rib which provid... | 04/20/2010 |
| 7697235 | Magnetic disk drive and base with guide Embodiments of the invention provide a magnetic disk drive that allows members to be mounted onto a base simply and accurately. In one embodiment, a magnetic disk drive comprises: a base; a disk assembly including at least one magnetic disk and mounted rotatably on ... | 04/13/2010 |
| 7684145 | Method and system for perpendicular magnetic media metrology A metrology system for measuring the magnetic properties of a magnetic recording medium layer on a device used for perpendicular recording. ... | 03/23/2010 |
| 7679859 | Magnetic recording and reproducing apparatus with circuit board attachment device Embodiments of the invention provide a magnetic recording and reproducing apparatus that allows a mounting space for an electric signal wiring to be sufficiently secured relative to a circuit board and the circuit board to be secured stably to the case. In one embod... | 03/16/2010 |
| 7667960 | Disk-drive-equipped electronic apparatus and the disk drive According to one embodiment, an electronic apparatus includes a housing having a receptacle, a disk drive removably housed in the receptacle of the housing, and a shock-absorbing rubber member, which is elastically deformable and interposed between the receptacle an... | 02/23/2010 |
| 7667923 | Hard drive data platter impairment tool A system for impairing at least one pair of data platters stacked. An alignment device is pivotably mounted; upper and lower arms of the alignment device are spaced apart from and extend parallel to one another. The alignment device is movable between a stowed posit... | 02/23/2010 |
| 7663836 | Disk drive base/cover plate with push pin hole having enlarged portion A base plate and a cover plate for a hard disk drive. At least one of the base plate and the cover plate is formed with a push pin hole extended in a slot shape in a predetermined length through which a push pin passes to implement a servo track write. The push pin ... | 02/16/2010 |
| 7660071 | Disk drive with altitude detection air vane A disk drive includes a rotatable data storage disk and a vane positioned adjacent to the disk that receives airflow generated during rotation of the disk. A sensor is operably coupled to the vane and measures airflow force on the vane. Because of a known relationsh... | 02/09/2010 |
| 7630166 | Control flow instability to reduce disk flutter and half frequency whirl To reduce the whirling air vortices which are normally formed at the disc tip, the outer edge of the disc surface may be gradually thinned down to a sharp tip. An alternative approach, the disc tip is gradually reduced in width and rounded at its outer edge. A flow ... | 12/08/2009 |
| 7619853 | Magnetic disk drive with mechanism for fixing flexible printed circuit assembly A magnetic disk drive is provided which can attain the reduction in size and thickness without deteriorating the sealing performance for a space defined by a base and a cover. In one embodiment, a cover member is fixed to a base member with fixing screws. An FPC ass... | 11/17/2009 |
