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| Number | Title | Issue Date |
| 6972135 | Texturing of magnetic disk substrates A method for texturing a substrate for a magnetic disk comprises abrading the substrate using nano-sized diamond particles (e.g. having a diameter less than or equal to 20 nm). A magnetic layer is then deposited over the substrate. Even when the texture is extremely... | 12/06/2005 |
| 6972146 | Structure having holes and method for producing the same A structure having a hole, including a substrate, a first layer including an alumina hole, and a second layer disposed between the substrate and the fist layer, wherein the second layer contains silicon, and has a smaller hole than the alumina hole. ... | 12/06/2005 |
| 6969006 | Rotable portable card having a data storage device, apparatus and method for using same A portable card adapted to be used in a card processing system having a data processing station is shown. The portable card includes a data storage device which is adapted to interact with a data processing station when a portable card and a data processing station ... | 11/29/2005 |
| 6970322 | Bulkhead connector for low leak rate disc drives A disc drive has a rotatable disc carried by a spindle motor and an actuator assembly with a read/write head. A base deck supports the spindle motor and the actuator assembly and defines a connector opening for transmitting electrical signals from the read/write hea... | 11/29/2005 |
| 6970379 | System and method for storing data in an unpatterned, continuous magnetic layer Digital information is stored in an unpatterned magnetic film, using the inherent, natural properties of the domain walls in ferromagnetic materials to write data on an unpatterned magnetic film. Data is read from the unpatterned magnetic film using magnetic tunneli... | 11/29/2005 |
| 6967813 | Method of mounting magnetic disk device, cabinet for magnetic disk device, and magnetic disk device The invention relates to the construction of an in-vehicle magnetic disk drive and a case for holding the in-vehicle magnetic disk drive. The in-vehicle magnetic disk drive must meet a condition peculiar thereto requiring normal operations under severe temperature c... | 11/22/2005 |
| 6968561 | Optical library and optical storage system At least an optical disk, a spindle motor, an optical head assembly and a seeking mechanism are mounted in a disk cartridge to accordingly establish a hermetically sealed structure. On the other hand, a disk cartridge guide member, an optical assembly, a disk cartri... | 11/22/2005 |
| 6964819 | Anti-ferromagnetically coupled recording media with enhanced RKKY coupling An anti-ferromagnetically coupled (“AFC”) magnetic recording medium with RKKY coupling between spaced-apart magnetic layers comprising a non-magnetic substrate having a surface, and a layer stack atop the substrate surface. The layer stack comprises, in overlyin... | 11/15/2005 |
| 6963491 | Expansion board apparatus and removing method In part, and in addition to apparatus and methods presented, an expansion board to be connected/disconnected to/from its mother board easily is provided. A face of a CDC (Communication Daughter Card), which is an expansion board to be connected to the mother board o... | 11/08/2005 |
| 6964057 | Case for disk device for reproducing or recording information A case of a disk device includes a case body, having a bottom plate and a pair of side plates extending upright respectively from opposite side edges of the bottom plate, a lid member, provided substantially parallel to the bottom plate, and is connected to the two ... | 11/08/2005 |
| 6963468 | Portable storage device A portable storage device comprises a housing having a first opening, a first directing portion and a second opening, and a main body having a storage portion, a connecting portion corresponding to the first opening, a second directing portion corresponding to the f... | 11/08/2005 |
| 6961202 | Data storage device having acceleration sensor attached to circuit board for detecting vibrations in planar rotation direction along circuit board A data storage device includes an enclosure case and a circuit board attached to an outer surface of the enclosure case, the enclosure case containing a spindle motor and a circular movement actuator, the spindle motor being for rotating a storage medium, the circul... | 11/01/2005 |
| 6961210 | Data storage device with a low profile spindle motor A data storage device (10) includes a stator (20), a rotor (50) rotatable about the stator via a pair of bearings (26), a cover (70), and two data storage disks (80). The stator includes a baseplate (22), and radially... | 11/01/2005 |
| 6959487 | Head disc merge assembly for use at a merging station A head disc merge assembly for merging an actuator with a disc stack having a disc, the actuator assembly having a flexure supporting a data transducer head, the head disc merge assembly including a merge comb having a flexure support member to support the flexure a... | 11/01/2005 |
| 6961207 | Apparatus and method for dampening disk vibration in storage devices Aerodynamic forces contribute to disk and actuator vibration leading to track positioning errors in storage devices such as hard disk drives. The invention provides a variety of dampening mechanisms and a method of dampening to alleviate these problems. ... | 11/01/2005 |
| 6961209 | Disc stabilization system A disc stabilization system comprises a spinning disc with a disc surface deflectable by shock. The disc surface is in contact with a gas layer adjacent the disc surface. When the suspension system is subjected to a mechanical shock, the disc can deflect. The amplit... | 11/01/2005 |
| 6958884 | Disk drive having an acoustic damping shield assembly with an acoustic barrier layer A disk drive that includes a head disk assembly (HDA) comprising a base having a top base surface and a bottom base surface, and a top cover secured to the top base surface; a printed circuit board assembly (PCBA) in communication with the HDA and comprising a first... | 10/25/2005 |
| 6958883 | Apparatus for reading and writing cards having rotating memory Apparatus is described for reading data from or writing data onto a credit card-sized storage media containing a rotating magnetic memory. The reader includes a spindle motor and an arm with a magnetic head position thereon, as well as integrated circuits for contro... | 10/25/2005 |
| 6955926 | Method of fabricating data tracks for use in a magnetic shift register memory device A magnetic data track used in a magnetic shift register memory system may be fabricated by forming a multilayered stack of alternating dielectric and/or silicon layers. Vias of approximately 10 microns tall with a cross-section on the order of 100 nm×100 nm are etc... | 10/18/2005 |
| 6956718 | Sandwich diamond-like carbon overcoat for use in slider designs of proximity recording heads A slider is formed of an air bearing surface coated with a wear limiting coating that substantially limits surface wear of the air bearing surface encountered in proximity recording. The wear limiting coating is comprised of a wear inhibiting layer formed on the air... | 10/18/2005 |
| 6956723 | Recording medium drive capable of avoiding damages of recording medium A protrusion is opposed to a head actuator positioned at the inoperative position in a recording medium drive such as a hard disk drive. When a larger impact is applied to the head actuator, the head actuator deforms by a predetermined amount, so that the protrusion... | 10/18/2005 |
| 6954329 | Disk drive having an acoustic damping assembly with an acoustic barrier layer A disk drive that includes a head disk assembly (HDA) having a disk drive base, and a printed circuit board assembly (PCBA) in communication with the HDA. The invention further includes an acoustic damping assembly placed between the disk drive base and the PCBA. Th... | 10/11/2005 |
| 6954328 | Multi-layer housing structure with tuned layers using hypothetical modeling Apparatus and method for reducing generation of acoustic noise in a disc drive. A multi-layer disc drive housing structure includes a housing layer, a plurality of rigid damping layers and a corresponding plurality of interposed visco-elastic damping layers. Charact... | 10/11/2005 |
| 6952833 | Low noise optical disk drive A low noise optical disk drive includes a top cover, a bottom base, a containing space defined between the top cover and the bottom base, a playing mechanism assembled in the containing space, and a noise absorbing device installed in the containing space. When the ... | 10/04/2005 |
| 6952323 | System and method of constraining vibration in a disk drive unit and motor device A disk drive unit has a spindle motor for rotating a disk, a magnetic head for processing data, a actuator for seeking the magnetic head with respect to the disk, a voice coil motor for moving the actuator, and a base with an opening and a top cover that seals the o... | 10/04/2005 |
| 6952320 | Virtual tracks for repeatable runout compensation The present invention relates to repeatable runout (RRO) compensation of servo control systems that can be used in disc drives or spin-stands. The RRO relates to eccentricity between servo tracks, which were written onto a disc prior to the installation of the disc ... | 10/04/2005 |
| 6950275 | Disk drive having cover assembly which compresses a foam member between substantially planar rigid members A disk drive including a head disk assembly in communication with a printed circuit board assembly, and further includes a disk drive base and a disk drive cover assembly collectively housing a head stack assembly and a data storage disk mounted on a spindle motor a... | 09/27/2005 |
| 6948176 | Cover plate for optical disk drive A cover plate for an optical disk drive designed to reduce disk vibrations and noise is provided. The cover plate is installed above a main frame of the optical disk drive and has a through hole in the center through which a disk clamp for clamping a disk placed on ... | 09/20/2005 |
| 6947253 | Method for balancing a rotating assembly using eccentric rings A method for balancing a spindle assembly for compensating for dynamic imbalance of the spindle assembly. The method uses a plurality of adjustable eccentric rings for dynamically balancing the spindle assembly. The plurality of eccentric rings are preassembled with... | 09/20/2005 |
| 6947254 | Interchangeable cartridge data storage system for devices performing diverse functions A system for exchanging digital data among a plurality of hand-held computer devices. Digital signals are written by a first hand-held device to a mini-cartridge that mini-cartridge is inter-operable among a class of hand-held devices, each of which is equipped with... | 09/20/2005 |
| 6947252 | Wave stringer for controlling acoustic noise and shock vibration in a storage device A hard disk drive that includes a wave stringer. The wave stringer can attenuate energy which propagates through a base plate of the disk drive. The wave stringer may be designed by initially analyzing propagation patterns of both acoustic and shock waves applied to... | 09/20/2005 |
| 6947257 | SYSTEM AND METHOD OF INTRODUCING A PREFERENTIAL CURVATURE TO A FLEXIBLE MEDIUM FOR REDUCED MEDIUM VIBRATION AND SENSOR TO MEDIUM SPACING WITH A DISK DRIVE HEAD STACK ASSEMBLY HAVING A NON-ZERO STATIC ROLL ATTITUDE A head stack assembly is provided for interfacing with a flexible medium of a disk. The head stack assembly includes a first head and a second head located substantially adjacent to the first head wherein the flexible medium may be disposed between the first head an... | 09/20/2005 |
| 6947280 | Computer housing with a disc storage device A computer housing includes a disc storage device mounted detachably on a top surface of a housing body. The disc storage device includes a casing formed with a receiving recess for receiving an optical disc, a cover body connected pivotally to the casing and operab... | 09/20/2005 |
| 6943983 | Flexible disk drive including sub circuit board with a hall element mounted thereon A flexible disk drive includes a notched portion at a main frame portion arranged with a motor, a sub board includes a cut groove at an end portion thereof and a wire extended from the motor is held by the cut groove of the sub board and is connected to the main boa... | 09/13/2005 |
| 6941640 | Method of manufacturing a base plate for a miniature hard disc drive The present invention is directed to a miniature hard disc drive having a metal base plate, an actuator assembly wherein the actuator assembly comprises a plurality of bearings, a shaft, and a housing; a spindle motor assembly comprising a stator with conductors, a ... | 09/13/2005 |
| 6937442 | Contacting point damping method between flex circuit and pivot housing The present invention for a disk drive is a damping feature applied to the contact area between the flexible circuit and the pivot housing, reducing the resonance energy transferred from the flexible circuit to the pivot housing. This invention reduces the direct en... | 08/30/2005 |
| 6937432 | Mounting system for disk drive having a rotary actuator A system for mounting a hard disk enclosure (HDE), includes a casing pivotably mounted to minimize at least one of settle-out dynamics, external rotational vibration, and emitted vibration, the casing allowing the HDE to rotate substantially freely, wherein the cent... | 08/30/2005 |
| 6935872 | Connector cap to inhibit damage to a connector due to electrostatic discharge A protective cap for an electrical connector of a hard disc drive. The connector is assembled to a hard disk drive that contains one or more electrical circuits. The protective cap can be placed onto the top of the electrical connector to prevent an electrostatic di... | 08/30/2005 |
| 6938104 | Removable hard drive assembly, computer with a removable hard disk drive, method of initializing and operating a removable hard drive A hard disk drive is rendered removable by modifying its ID buffer to indicate to the host computer that the hard drive is a removable media device. A drive assembly is mounted in a drive bay of the host computer and permanently connected to the assembly. A hard dri... | 08/30/2005 |
| 6934126 | Disk drive including a base assembly having a flex-to-board edge connector A disk drive comprises a housing including a base; a disk rotatably attached to the base; a printed circuit board coupled to the base and including a plurality of circuit board pads; a head stack assembly pivotally coupled to the base about a pivot axis and a flex-t... | 08/23/2005 |
