|
Match
|
Document |
Document Title |
|
|
6765753 |
Disk apparatus
A moisture absorbing agent is used in a disk apparatus. The difference in the moisture absorption amount in the hygroscopic isothermal line between the moisture absorbing agent at a relative...
|
|
|
6762909 |
Magnetic recording disk drive with self-limiting wearable contact pad air-bearing slider in hermetically sealed environment
A magnetic recording disk drive has self-limiting wear contact type air-bearing sliders that support the read/write heads. The magnetic elements of the read/write head extend into and are...
|
|
|
6762907 |
Disc drive having integral base cooling
A disc drive system having a rotating disc storage device and a base housing with a sealed internal heat transport structure containing a working fluid. The rotating disc storage device is disposed...
|
|
|
6762899 |
Method and apparatus for estimating the flyheight of an airbearing slider in a storage device using variable spindle velocity
A method and apparatus for estimating the flyheight of an airbearing slider in a storage device using variable spindle velocity. The slider floats on an airbearing over a rotating storage disk. The...
|
|
|
6760191 |
Internal heat dissipater used to reduce slider and write pole thermal protrusion for thin film recording heads
A head suspension assembly for a disk drive that inhibits thermal pole tip protrusion includes a slider assembly having a slider exterior surface including a trailing surface, a slider interior...
|
|
|
6754040 |
Disk spacer in a disk drive system
The inventors have found that by changing the outer wall shape of at least disk spacer, the air flow of the relevant inner region is disrupted, causing particulate adhesion to be minimized. The air...
|
|
|
6754041 |
Disc drive cover portion thermally coupled to a preamplifier
A data storage disc rotatably mounted on a spin or spindle motor fastened to a base plate. An actuator assembly is fastened or otherwise coupled to base plate adjacent to data storage disc. The...
|
|
|
6751051 |
Reduced acoustics treatment spindle motor for a disk drive
A spindle motor for a disk drive is disclosed having a carrier assembly supported on a mounting structure by an elastomeric damper for damping and isolating mechanical vibration and noise generated...
|
|
|
6751049 |
Downstream finned shroud airstream conditioning apparatus for a data storage device
An airstream conditioning apparatus for a data storage device. The data storage device has an enclosure supporting a spinning data disc and an actuator operably interfacing with the data disc in a...
|
|
|
6751050 |
Magnetic disc unit
A magnetic disc unit which can restrain occurrence of flutter so as to countermeasure such a problem that the larger the rotational speed of discs, the higher the flutter, causing heat positioning...
|
|
|
6744579 |
Methods for detecting and mitigating the effects of hard drive head crashes
A method for detecting head-to-disk interference events in a disk drive is provided. The invention comprises coupling a transducer to an air filter in the disk drive, wherein the transducer detects...
|
|
|
6744577 |
Piezoelectric actuator and shock sensor
A dual purpose piezoelectric element utilized in a disk drive for fine positioning of the head assembly relative to the surface of a disk and for sensing shocks and other vibrations. When a shock...
|
|
|
6736872 |
Gas collecting method and gas collecting apparatus
A disk apparatus having an open inner structure and a collector liquid, which are housed in a hermetically sealed collecting container, are heated to a certain collecting temperature by a heating...
|
|
|
6735045 |
Hard disk device having a shroud member fixed on a base as a separate member
A hard disk device is provided. The hard disk device comprises, in a housing having a base, a hard disk rotating at a high speed, a carriage having a head slider on one end thereof, a magnetic...
|
|
|
6735035 |
Method and apparatus for enabling cold temperature performance of a disk
In cold weather, the higher torque required for normal spinning operation of a spindle motor assembly in a direct access storage device due to the increased viscosity of the grease, is overcome by...
|
|
|
6735044 |
Magnetic disk apparatus with humidity controller
A humidity controller arranged within a casing of an HDD includes a container housing a moisture absorbing agent, an air communication port that permits communication between the inner space of the...
|
|
|
6728062 |
Disk drive base design for modifying airflow generated from rotation of disk
The base of a disk drive defines an interior shroud surface. The interior shroud surface is configured to follow a portion of the curvature of the disk at a distance from the outer diameter of the...
|
|
|
6721128 |
Closure seal for a storage device
A closure seal for a storage device, such as a disk storage device, to block the flow of air into and out of the storage device. The storage device includes a base to support and contain mechanisms...
|
|
|
6717768 |
Airflow damper for reducing airborne noise and vibration in an information storage device
An airflow damper is affixed to a top interior wall of a hard disk assembly, so that a specified gap distance between the airflow damper and an upper disk within the hard disk assembly is realized....
|
|
|
6714379 |
Top cover shroud for a disc drive
A shroud feature and method for incorporating an airflow shroud feature in a disc drive assembly. The airflow shroud feature is connected to the cover of the disc drive rather than the base plate....
|
|
|
6712887 |
Gas adsorbent filter
A gas adsorption filter located over a breathing hole within a semi airtight container, wherein the gas adsorption filter has an opening that is connected with and open to the breather hole and,...
|
|
|
6709498 |
Filter construction for disk drives
The filter construction includes a first portion that removes or reduces contaminants entering a disk drive enclosure from the external atmosphere and a second portion that removes or reduces...
|
|
|
6707634 |
Control method and apparatus for reducing the effects of hard disk contamination
A method and apparatus for use with a rotating storage device. The rotating storage device includes a storage medium driven to rotate, a head for reading and writing information on the storage...
|
|
|
6704161 |
Shock protection skin bumper for a hard disk drive
A bumper that can be attached to an outer surface of a hard disk drive housing. The bumper may be constructed from a damping material that attenuates a shock load and dampens a resultant vibratory...
|
|
|
6700735 |
Disk drive lubricant reservoir systems and lubricants used therein
A lubricating perfluoropolyether (PFPE) composition for lubricating one or more disks in a disk drive system may be formed by providing a first component of PFPE molecules having an aggregate vapor...
|
|
|
6697218 |
Information storage and retrieval device
Shock-absorbing material made from a mixture of solid particles and viscous elastic material is arranged at the periphery of an information storage and retrieval device. When an external shock is...
|
|
|
6692848 |
Magnetic disk apparatus
Troubles caused by contaminants in a magnetic disk apparatus are prevented by providing a monofunctional compound in a gas phase in the magnetic disk apparatus, said compound capable of undergoing...
|
|
|
6690574 |
Electronic apparatus
An electronic apparatus includes a moving support member moving in a back-and-forth direction of the electronic apparatus, an upper-end support member for supporting an upper end of a front panel...
|
|
|
6690540 |
Disk drive damper having a thin portion and a plurality of thick portions
A disk drive damper avoids matching a frequency band of a sound frequency peak generated by the rotation of a spindle motor and a resonant frequency of the damper. The damper is attached to a disk...
|
|
|
6683745 |
Rotationally free mount 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...
|
|
|
6683746 |
Disk drive breather filter with adsorbent layer shorter than receiving sheet aperture
A breather filter for a hard disk drive is attached to a hole provided in the cover of the disk drive. The breather filter has a first sheet that forms a diffusing tube at a position corresponding...
|
|
|
6683747 |
Internal disc drive gas reservoir
A system for boosting a concentration of a gas other than air, such as helium, within an enclosed disc drive environment includes a pressurized reservoir of the gas other than air within the disc...
|
|
|
6680679 |
Method and apparatus for electrical conversion of non-return to zero encoded signal to return to zero encoded signal
A method and apparatus for electrically converting a NRZ signal into a RZ signal. A NRZ signal is summed with a phase-aligned clock signal. The resultant summed signal is then passed through a...
|
|
|
6679501 |
Motor with stationary shaft and high speed capillary seal
A motor or bearing which incorporates the use of a capillary seal adjacent a bearing race between the shaft and surrounding hub or housing. The seal may take a plurality of forms, including a...
|
|
|
6678113 |
Device and method for monitoring lubricant within a disk drive
A device for monitoring lubricant within a disk drive includes a reservoir packet impregnated with lubricant. The reservoir packet is disposed between a first metal screen and a second metal screen...
|
|
|
6674609 |
Anechoic chamber noise reduction for a disc drive
A disc drive system includes a base plate, a spindle attached to the base plate, and at least one disc attached to the spindle. A cover is also included for attaching to the base plate. The cover...
|
|
|
6671124 |
Shock and vibration system
A shock and vibration isolation system for an article comprising a set of elastomers circumferentially positioned in a shear mode around a member carried by the article to simultaneously support...
|
|
|
6665139 |
Magnetic-disc unit with gap between disc and shroud
In a magnetic disc apparatus including a plurality of magnetic discs mounted on a spindle, arms supporting magnetic heads, a rotary actuator for the arms, and a housing having an arcuate-shaped...
|
|
|
6665150 |
Contamination control on actuator arms in a disk drive
A hard disk drive actuator includes a plurality of arms for holding the heads over the disks. Each arm has one or more contaminant collectors for collecting contaminants, such as airborne...
|
|
|
6661604 |
Plate-like apparatus, rotating body built-in device, and disk device
The present invention provides an improved magnetic data storage and retrieval system, which can absorb external shock and is easily attached to a host system. By setting bumpers in the four...
|
|
|
6657812 |
Disk drive including a dust catching chamber and an associated gasket portion
A hard disk drive contains a disk assembly and a cylindrical disk container. The drive also includes a base around which a peripheral wall extends, a catching chamber including a partition wall...
|
|
|
6654201 |
Shroud for disk drive with particulate filter elements
A shrouded hard disk drive includes one or more contamination filter cavities embedded within the shroud for capturing airborne contaminants circulated within the drive during normal operation. The...
|
|
|
6650609 |
Disk device
Disclosed is a disk device which can avoid as far as possible dirt and dust from being sucked into a disk device body together with open air. An intake port is formed in a front panel of a disk...
|
|
|
6646821 |
Early leak detection system for a disc drive containing a low-density gas
A method of detecting that a concentration of a low-density gas such as helium in a disc drive is in danger of reaching an unacceptable level includes monitoring a signal varying in response to...
|
|
|
6643914 |
Method for assembling a disk drive
A method for assembling a disk drive using a multifunctional push-pin hole is disclosed. A push-pin of a servo writer is directed through the push-pin hole of the disk drive for executing a servo...
|
|
|
6646826 |
Integrated cover and gasket assembly
A disc drive includes a base and a disc rotatably attached to the base. The disc drive also includes an actuator assembly rotatably attached to said base and a device for moving the actuator...
|
|
|
6643101 |
Heat transfer plate for an actuator assembly
An improved actuator assembly for a disc drive, the actuator assembly having an E-block which at a proximal end supports an array of read/write heads in reading and writing data relationship to a...
|
|
|
6643093 |
Magnetic recording device with improved reliability
The magnetic surfaces of the magnetoresistive or magnetic tunnel junction and inductive write head and magnetic recording disk of a hard disk drive are protected from corrosion by inserting a vapor...
|
|
|
6639886 |
Thermal management system in single or multiplayer disk system
A apparatus and method for dissipating heat from the disk portion of a multimedia radio. The apparatus and method uses the Von Karman Viscous Pump Principle to strategically introduce holes in the...
|
|
|
6636379 |
Disc drive impaction filter damping vibrations while trapping particulate contaminants
A particulate filter for a disc drive also functions as an acoustic noise filter and a mechanical vibration filter. The impaction filter covers substantial portions of the interior of the disc...
|