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6480382 |
Cooling device for hard disc
A cooling device for a hard disc. The cooling device is screwed to the hard disc by way of screw apertures provided on the bottom of the hard disc. The cooling device includes a housing, at least...
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6477000 |
Actuator arm disc snubber with unitary construction
An apparatus and method for minimizing damage to a disc drive assembly subjected to non-operational shock. The disc drive has rotatable discs upon which data can be written and read by read/write...
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6475269 |
Disk drive recirculation filter assembly
A filter assembly for a disk drive includes an outer shell through which gases flow in and out of the disk drive. The shell includes a tubular housing that extends into the disk drive. A first...
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6466398 |
Disk drive comprising a cover having slots near a shaft aperture for reducing resonance
A disk drive is disclosed with reduced resonance. The disk drive comprises a disk, a fixed spindle shaft disposed axially through the disk, a spindle motor for rotating the disk about the fixed...
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6456453 |
Magnetic disk drive in which a body including a chassis is rotatable with reference to a location displaced from the center of gravity of the body
A magnetic disk drive includes a body having a chassis formed of a flat plate, and at least a spindle motor and a head carriage that are mounted to the chassis. A bottom cover is mounted to cover...
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6456581 |
Disk player of simplified heat-dissipating structure
A disk player of simplified heat-dissipating structure includes a housing, a platform and fan blades. The housing has a supporting portion. The fan blades are laid on the supporting portion of the...
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6452740 |
Multi-stage thermoelectric microcoolers for cooling write coils and GMR sensors in magnetic heads for disk drives
An improved read/write head for use in computer hard drives is provided. In one embodiment, the read/write head includes first and second thermally conducting plates and a first and second stage of...
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6449120 |
Reducing bearing contaminant migration from a hard disc drive cartridge bearing assembly
Apparatus for reducing bearing contaminant migration from a cartridge bearing assembly of a hard disc drive actuator assembly. The cartridge bearing assembly includes a stationary shaft, a bearing...
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6433957 |
Photocatalytic device for disk drive contamination reduction
A contaminant reduction system comprises an assembly of appropriate size and shape for mounting within a sealed or semi-sealed hard disk drive (HDD). The system comprises a photocatalytic surface...
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6421201 |
Outcast and reduction of lubricants from spindle motor by utilizing a condensation seal
A disc drive spindle motor includes a fixed member coupled to the chassis, and a rotor rotatable about the fixed member for rotating a magnetic storage disc in the contaminant free cavity. A...
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6417987 |
Disc drive contamination reduction utilizing an inert coating
A non-reactive hard coating of carbon or ceramic is applied to the major components of the spindle motor which are exposed to the atmosphere internal to the hard disc drive. By having such a thin...
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6417986 |
Impact guard for limiting hard disk movement
A disk guard which can limit a z-axis movement of a disk within a hard disk drive. The disk guard may be mounted to a housing of the disk drive adjacent to the disk. A portion of the disk may...
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6407880 |
Environmental corrosion protection for hard disk drive elements by thermal activation
A computer system hard disk drive contains magnetic heads for reading data to and writing data from storage media disks. The heads are coupled to an electrical source that thermally excites the...
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6407879 |
Disk drive cover features for spindle resonance tuning and damping
A disk drive having spindle resonance tuning and damping for improved disk drive performance. The disk drive has slots in the top cover which reduces rocking resonant frequency of the spindle to...
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6399179 |
Base plate for suspension assembly in hard disk drive with stress isolation
A base plate comprising a hub, a flange having an outer flange region at an outer periphery of the flange and a clamping region that surrounds and is contiguous with the hub. A strain isolation...
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6395073 |
Multi-functional filter for removing contaminants from an enclosure
The invention relates to a device for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to...
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6396179 |
Retractable grounding device for a spindle motor
A retractable grounding device for a spindle motor having a rotor shaft is provided. The retractable grounding device includes a grounding connector configured to connect the rotor shaft to ground...
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6392982 |
Corner part reinforcing device of disc device chassis
The present invention is provided with a reinforcing base section 5 which is secured to and engages with an independent lateral plate 2, 2 which is formed on a corner section of a chassis 1 ...
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6385007 |
Heat dissipation system of magnetic recording disk
A system to control the interior temperature and particularly the slider and disk temperature of hard disk drives that utilizes the spindle motor to spin a fanning structure. The fanning structure...
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6377420 |
Hub cap actuator damper for disc drives
A disc drive having reduced mechanical vibration is disclosed. An annular viscoelastic damper is sandwiched beneath the head disc assembly cover against the bearing assembly of the actuator to...
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6371433 |
Laminated damping device for a carrier and a method for making the same
A damping device with a top element, a bottom element, and a viscoelastic element between the top and bottom elements. The damping device exerts significant shear displacement across the...
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6366426 |
Apparatus and method for reducing structural vibrations in a disc drive utilizing fusible alloys
An apparatus and method for reducing structural vibrations in a disc drive that incorporates a fusible alloy. A fusible alloy portion is constrained between a first and second structural alloy...
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6360843 |
Noise damping device of rotation driving apparatus
A noise damping device of a rotation driving apparatus includes a housing; and at least one rotating disk installed to be rotated by a driving source within the housing. The rotating disk and the...
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6362937 |
Air vane windage accelerator apparatus for a disc drive
An apparatus for accelerating and concentrating wind generated by spinning discs in a disc drive includes a stationary air vane member mounted on a disc drive base plate beneath a bottom disc. The...
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6356407 |
System and process for reducing contamination in internal disc drive environment
A data storage system includes a housing which defines an interior environment. At least one data storage disc is disposed within the housing interior. At least one head is supported adjacent the...
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6347021 |
Component sealing system
Method for the removable sealing of a component housing, and apparatus to practice the method using an elastic or conformable sealing band. The present invention teaches a sealing band, preferably...
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6342991 |
Top cover air gate for an air vane latch apparatus in a disc drive
An apparatus for increasing the operative force on an air vane latch apparatus in a disc drive includes an air gate having an elongated rib extending parallel to the air vane immediately downstream...
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6337782 |
Top cover having a turbo tunnel for an air vane latch apparatus in a disc drive
An apparatus for increasing the operative force on an air vane latch apparatus in a disc drive has a channel formed in the inside surface of the side wall of the head disc assembly cover...
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6335843 |
Recording medium driving device
Described herein is a hard disk drive HDD which adopts a CSS type floating or levitation head device. A condensation sensor is provided on the inner surface of a housing or chassis. Since the...
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6324031 |
Disk drive with reduced electrostatic charge on slider-head assembly
A common cause for catastrophic failure in a magnetic disk storage system is due to the collection of debris on the slider/head assembly. Two factors contributing to these failures are: a) disk...
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6320723 |
Protective cover for a disc drive printed circuit board wherein the cover and a circuit board component are thermally connected
A protective cover used as a heat sink is disclosed. The protective cover serves as a heat sink and removes heat from electrical components mounted to a disc drive printed circuit board assembly....
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6317286 |
Diaphragm-sealed disc drive
An apparatus for minimizing corrosion product build-up within a disc drive incorporates a non-corrosive gas hermetically sealed within the disc drive and a diaphragm chamber that allows the...
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6308961 |
Gasket for hard disk drive unit use
A purpose of the invention is to provide a gasket in use for HDD unit wherein a spatial continuity conducted from an interior of an HDD unit to an external open ambient for generating a leakage is...
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6310747 |
Method for reducing external signal interference with signals in a computer disk storage system
Disclosed is a method to reduce external signal interference with signals in a computer disk storage system including a disk drive. An electrically conductive housing is provided for the disk drive...
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6296691 |
Multi-functional molded filter for removing contaminants from an enclosure
The present invention is an improved molded filter which performs multiple filtration functions within an enclosed environment, such as within a computer hard disk drive. In a first embodiment, the...
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6278573 |
Floppy disk drive having dustproof structure for high capacity floppy disk
In a floppy disk drive for writing/reading information to/from a floppy disk having a magnetic recording medium of a high memory capacity, a bottom plate of a driver casing defining a floppy disk...
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6275352 |
Individually tuned isolation devices for a disc drive base deck
An apparatus and method for minimizing the effects of rotational and translational vibrations on a disc drive. A plurality of isolation devices are integrated into a base deck of the disc drive at...
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6275353 |
Housing for a disc drive having cantilevered base slot to reduce mechanical shock damage
A hard disc drive apparatus includes a head disc assembly mounted on a base plate and enclosed under a cup or hat shaped cover. The base plate has downwardly extending support rail portions...
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6271996 |
Damper with unconstrained surface for a disk drive head suspension
A head suspension includes a damping structure having at least one unconstrained surface. A reservoir is formed on the head suspension preferably from epoxy resin. Visco-elastic damping material is...
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6271987 |
Circumferentially extending disc snubber
An apparatus is disclosed for reducing disc deflection in response to the application of a non-operational mechanical shock to a disc drive. The disc drive comprises discs rotatable about a disc...
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6266208 |
Integrated filter for use in a disk drive
An integrated filter for a disk drive includes a recirculation filter element, a chemical filter element, and a breather filter element within a single filter cartridge. The filter elements are...
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6252742 |
Disk drive and floating head slider with means for minimizing dust accumulation thereon
A head slider of a disk drive has at least one or more slider rails on a base plate which extend lengthwise over the base plate and have surfaces for generating a hovering/floating force. Two or...
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6249400 |
Radiation apparatus of hard disk drive
A radiation apparatus of a hard disk drive includes a base frame, a spindle motor installed at the base frame, a hard disk rotatably supported by a rotation shaft of the spindle motor, a cover...
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6239943 |
Squeeze film damping for a hard disc drive
A spindle motor is described having a motor stator, a motor rotor, the motor being energized to cause rotation of the rotor supporting a single disc or a stack of discs which is mounted in such a...
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6238467 |
Rigid multi-functional filter assembly
A unitary rigid filter that performs multiple contamination control functions within an enclosure for sensitive equipment (e.g., disk drives). The filter incorporates recirculation and adsorbent...
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6239944 |
Disc cartridge and dust-proofing system in disc drive system
A disc cartridge which includes a dust-proofing mechanism having a dust-proofing panel, a dust-proofing arm and a dust-proofing plate which are arranged facing the major surface, bottom surface and...
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6236532 |
Magnetic disk drive having small clearance between magnetic disk and surface opposing thereto
A magnetic disk drive is provided having at least one magnetic disk, a magnetic head for writing and reading data, and a vessel in which the magnetic disk and magnetic head are sealed. The vessel...
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6231676 |
Cleaning process for disc drive components
A system for cleaning disc drive components includes a rotary support member for receiving an assembled disc drive component. A rotary drive motor is coupled to the rotary support member for...
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6233148 |
Hard disk drive heat dissipation device
A hard disk drive heat dissipation device that dissipates heat generated during the operation of a hard disk drive. The device of the present invention is comprised of a body having a surface area...
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6226145 |
Actuator assembly mounted disc snubber
Apparatus for protecting a disc drive from damage due to non-operational mechanical shocks, the disc drive comprising a rotatable disc having an inner radius and an outer radius and a controllably...
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