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7382571 Pressure equalizing fluid flow stripper apparatus  
Various embodiments of the present invention are generally directed to attenuating excitation energy of a rotatable storage medium using one or more plates each having a plurality of parallel...
7375922 Mounting apparatus for data storage device  
A mounting apparatus for securing a data storage device ( 10 ) defining a number of fixing apertures ( 101 ) includes a bracket assembly ( 20 ), and a number of resilient gaskets ( 30 ). The...
7356908 Method of assembling a disk drive unit via a ramp tool  
A disk drive unit includes a first cover having a first part of magnet component and a head stack assembly mounted on the first cover; and a second cover assembled with the first cover, which...
7330334 Magnetic disk apparatus with shroud and having open space downstream of moveable arms in communication with bypass channel  
A magnetic disk apparatus includes a plurality of magnetic disks driven to rotate by a spindle motor, arms supporting magnetic heads on the magnetic disks, an actuator for moving the arms on the...
7301776 Light-weight flash hard drive with plastic frame  
A light-weight flash hard drive includes a printed circuit board assembly (PCBA) mounted in a housing formed by a plastic frame and a pair of metal panels that are mounted on the plastic frame over...
7301726 Banded LZT CSS zone  
A magnetic recording disk having a non laser zone texturing (LZT) band in the contact-start-stop (CSS) zone. The width of the non-LZT band in the CSS zone may be greater than the width of a read...
7292407 Disk drive with support structure for disk-vibration capacitive sensors  
A data recording disk drive has one or more capacitive sensors for sensing out-of-plane vibration of the disk or disks. The sensors are attached to a support structure that is attached to the disk...
7289294 Particle remover for data storage device and ramp having the particle remover  
A particle remover for a data storage device that removes particles attached to a surface of a disk, the particle remover including a fixed portion installed on a base plate of the data storage...
7283324 Disk drive device and method having stabilizer plate located between disks  
A plurality of disks are supported and rotated by a spindle motor in a case. A stabilizer is located in the case. The stabilizer has a stabilizer plate which is located between the disks and...
7274532 Base member of disk drive having clock window to write servo track information  
A base member of a disk drive having a bottom plate, on which a spindle motor to rotate a disk is mounted, and a side wall positioned along an edge of the bottom plate. The base member has a clock...
7268972 Recording medium drive having rectifier plate integral to ramp member  
A recording medium drive such as a hard disk drive includes a ramp member. The ramp member receives the tip end of a head actuator. A head slider is thus kept at a position spaced from the...
7239475 Disk drive with airflow diverter filter component  
A disk drive including a disk drive base, a disk coupled to the disk drive base, and a head stack assembly coupled to the disk drive base. The disk drive further includes an airflow diverter filter...
7227713 Storage system controlling power supply module and fan  
When a disk device corresponding to a logical volume is started, a disk system determines and starts a disk device and a fan to be started, while comprehensively considering heat quantity generated...
7224551 Disk drive having apertures aligned near the inner diameter of a disk stack for allowing airflow to pass through the apertures to reduce disk flutter  
A disk drive includes a base, a spindle motor attached to the base, the spindle motor including a hub having hub apertures, a plurality of disks on the spindle motor and including a first and a...
7215507 Flow modification for reducing track misregistration in hard disk drives  
Systems and apparatus are described for modifying fluid flow in a hard disk drive system to reduce cross-track motion. The systems and methods provide advantages because they include at least one...
7212377 Disk drive having apertures near the ID of a disk stack for allowing airflow to pass through the apertures to reduce disk flutter  
A disk drive includes a disk clamp for clamping a plurality of disks to a spindle motor, and a disk spacer positioned between first and second disks. The first disk has a plurality of first disk...
7203030 System, method, and apparatus for aerodynamic diverter integrated with a diffuser in a bypass channel for applications in a disk storage device  
A device streamlines air flow inside a hard disk drive with a stationary afterbody that is located adjacent to each of the disks. A diverter portion of the device enhances the volumetric flow of...
7190575 Hard disk drive system and keying method  
A hard disk drive system includes a plurality of hard disk drive carriers and a hard disk drive chassis. Each of the plurality of hard disk drive carriers has a body and an ejector rotatably...
7177116 System, method, and apparatus for applying boundary layer manipulation techniques to the air flow inside rotary disk storage devices  
A system, method, and apparatus for solving flow-induced track misregistration (TMR) problems in hard disk drives (HDD). Boundary layer manipulation techniques are applied to the airflow in the...
7146710 Two stage lubrication process for disk drive  
A method for creating a hard drive includes installing a slider in a disk drive having at least one disk lubricated with a first stage lubricant. The slider is designed to be in contact with the...
7133249 Recording disk drive having rectifier plate and ramp member therefor  
A recording disk drive comprises a head actuator coupled to a support shaft for relative rotation so as to support a head slider at a tip end of the head actuator. A rectifier plate is located at a...
7123439 Aerodynamic diffuser, contraction, and fairing for disk base and re-acceleration drag reduction in hard disk drives  
A device streamlines air flow inside a hard disk drive with a stationary afterbody that is located adjacent to the disks. The device gradually expands the air flow so that the speed of the air flow...
7106553 Hard disk drive having a disk fluttering reducing unit that uses an air damping effect to reduce the fluttering of a rotation disk  
A hard disk drive having a disk fluttering reducing unit includes a lower air damper forming member provided on an upper surface of a base plate to face a bottom surface of an outer circumferential...
7085098 Disk drive including a disk plate overlapping a disk spacer in a circumferential disk spacer opening  
There is provided a disk drive including a disk drive base and a spindle motor hub. The disk drive further includes first and second disks disposed about the spindle motor hub. The disk drive...
7072140 Disk drive having airflow adjusting mechanism and thin-plate member incorporated therein  
A disk drive 10 includes a thin-plate member 38 fixedly attached at a desired location to an inner wall surface 36 defining a recess 24 of a casing 12 . The thin-plate member 38 includes...
7064921 Disk drive including a disk plate with a reduced thickness inner edge disposed towards a spindle motor hub  
There is provided a disk drive including a disk drive base and a spindle motor hub. The disk drive further includes first and second disks disposed about the spindle motor hub. The disk drive...
7061715 Disk array apparatus  
Aligned disk drives are installed in a disk box nearly taking a rectangular shape. Every two of the disk boxes are paired and accommodated in a rack in a multi-stage form. Each pair of disk boxes...
7054103 Downstream finned stripper shroud airstream conditioning apparatus for a disc drive  
An airstream conditioning apparatus for a data storage device employing a spinning data storage disc and an actuator operatively interfacing in a data reading and writing relationship. The...
7027260 Disk spacer with gradually deepening groove formed only in a middle portion of an outer circumferential surface thereof  
A disk spacer coupled to an outer circumference of a hub of a spindle motor in a hard disk drive to support at least one data storage disk, wherein at least one groove generating flow of air toward...
7019962 Electronic system having a hard disk drive with transparent cover, flashing device, and with specially decorated top plate or hub for storage applications with a visually observable disk  
An electronic system having a hard disk drive is provided with a transparent cover that allows the elements of the disk drive to be observed while they are in operation. The cover also can be...
6999273 Filter assembly for a data storage device  
A filter assembly for a data storage device. The filter assembly includes a flow passage having an inlet and outlet to provide a recirculating filter. The filter assembly is positioned to provide a...
6995947 Redirecting flow to reduce disturbances upon an actuator arm or head-gimbal assembly of a disc drive  
A flow-induced disturbance upon an actuator arm is reduced. A gas flow generated by a rotation of a disc is received and passed along a surface. The surface is mechanically isolated from the...
6989959 Drive level flow-field conditioning to reduce flow field turbulence  
A flow control device for a data storage system to reduce flow induced vibration. The flow control device includes a plurality of streamline flow passages to reduce turbulent flow in a flow field...
6987640 Two-part flow conditioning apparatus for a disc drive  
A disc drive includes a base, at least one disc rotatably attached to the base, and an actuator assembly rotatably attached to base and supporting a slider and a transducer at a distal end thereof....
6958876 Leak detection system of hard disk drives with lubricant reservoir  
A method for detecting leakage from a disk drive enclosure includes providing a lubricating composition having a lubricating material and a tag material therein. The tag material has a volatility...
6937433 Windage suppression device and associated method for a retractable air flow control  
An air flow control device for reducing turbulence on a rotating multi-disc stack. Air flow control device includes a first air dam having cavities formed by a series of alternating plate sections...
6922308 Disk drive comprising a cover shaped to improve radial and axial shrouding  
A disk drive with improved shrouding is disclosed. The disk drive comprises a disk, a spindle motor for rotating the disk, a head, an actuator arm for actuating the head radially over the disk, a...
6903899 Magnetic disk device with wind shield members  
The magnetic disk device includes magnetic disks, magnetic head arms and wind shield members arranged above and below the magnetic disks, respectively, in a region adjacent to the magnetic head...
6900962 High performance standard configuration disc drive having smaller-than-standard discs  
A magnetic disc drive assembly comprises a disc drive housing having an external three-dimensional configuration matching a standard configuration. A disc drive is supported in the housing and...
6898049 Magnetic disk apparatus with air flow bypass channel  
A magnetic disk apparatus includes magnetic disks stacked on a rotating shaft, arms supporting magnetic heads, a rotary actuator for moving the arms, and a housing forming at least a part of an...
6882501 Flow modification for reducing track misregistration in hard disk drives  
Systems and apparatus are described for modifying fluid flow in a hard disk drive system to reduce cross-track motion. The systems and methods provide advantages because they include at least one...
6865055 Disk drive having a shroud assembly for shielding at least one of a flex cable and an actuator arm  
A shroud assembly for a disk drive that includes a rotatable disk, a printed circuit board, a data transfer head, an actuator assembly and a flex cable, includes a cable shrouding portion. The...
6862156 Disk drive including a disk plate having a damping member  
A disk drive includes a disk drive base and a spindle motor including a spindle motor hub rotatably coupled to the disk drive base. The disk drive further includes a disk having a disk surface...
6826009 Disk drive including a filter element disposed along a disk surface for filtering disk rotation induced airflow  
A disk drive including a disk drive base. The disk drive further includes at least one rotatable disk including a disk surface extending to an outer disk edge. The disk drive further includes a...
6801387 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...
6788493 Diffuser for reducing fluid velocity near disk surfaces in a rotating storage device  
A disk drive includes a drive housing, one or more rotating storage disks, each having a storage surface, and a fluid diffuser. The fluid diffuser includes one or more stationary diffuser wings,...
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...
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...
6700736 Airflow spoiler between co-rotating disks  
A disk drive includes a spindle motor assembly mounted on an enclosure and at least two disks. The disks are mounted on a hub of the spindle motor assembly. Each of the disks have a magnetic medium...
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...
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