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6697213 |
Cover including multiple cover plates with damped layers
A cover for a disc drive assembly including multiple damped cover plates. The multiple damped cover plates include a first cover plate and a second cover plate. Each of the first and second cover...
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6697214 |
Removable disk drive with separable electrical and mechanical components
A disk drive has discrete, modular mechanical and electrical devices. The mechanical device includes a casing to which is mounted a drive motor, disks, and an actuator that is driven by a voice...
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6690539 |
Portable data storage drive cartridge with external interface at each end
A portable data storage drive cartridge has external interfaces positioned respectively at opposite ends of a cartridge shell. They may be arranged to be similar when the cartridge is rotated end...
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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...
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6683754 |
Hard disk drive head-media system having reduced stiction and low fly height
A head and disk system for use in a disk drive that includes a slider having a surface that contacts the disk. This disk contacting surface of the slider is textured with pads, bumps, an etched...
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6680813 |
Disc drive having a printed circuit board port connector
The present invention is directed to a disk drive that includes a head disk assembly on a base plate, a cover sealably attached to the base plate to enclose the head disk assembly, and a printed...
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6680820 |
Method of maintaining a constant flying height of a magnetic head and a magnetic disk drive utilized therefor
A method of maintaining a constant flying height of a magnetic head: adapted to maintain a flying height of a magnetic head on a magnetic disk substantially constant irrespective of a change of a...
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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...
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6678112 |
Disk drive device
A magnetic or other disk drive device includes a base having an opening through which electrical signal lines in a cable pass. The signal lines are preferably in a flexible printed circuit (FPC)....
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6674608 |
Damped protective cover to improve disc drive acoustics
A damped PCBA protective cover for reducing acoustic emissions in a disc drive assembly is disclosed. The disc drive assembly comprises a base, a circuit board mounted to the base and a cover...
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6661603 |
Disk drive including conductive path between disk drive base and cover through fastener support
A disk drive includes a disk drive base and a cover including a cover outer surface and a fastener opening disposed through the cover. The disk drive further includes an electrically insulative...
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6657858 |
Housing for data storage devices or for accommodating such devices
The invention is related to the housing of motorized driven data storage device(s) 20 or accommodating such device(s), comprising one or more drive assembly(s) 103, comprising one or more data...
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6654200 |
Disk drive including electrical traces integrally formed upon disk drive housing
A disk drive for use with a host electronic unit including spindle motor drive circuitry. The disk drive includes a disk drive housing, and a spindle motor rotatably attached to the disk drive...
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6650501 |
Higher inter-disc separations to improve disc drive actuator servo performance
To alleviate excessive non-repeatable runout (NRRO) on heads between discs, an original multi-disc design is adapted by (a) reducing the number of discs in the stack and (b) configuring the disc...
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6650961 |
Disk cartridge data storage apparatus
Methods and apparatus for storing data which employ a hard disk memory media which is operably supported within a cartridge shell to form a disk cartridge. The disk cartridge can be employed in the...
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6636378 |
Pressure sensitive adhesive label for hard disc drive and method for reducing generation of sound at the time of driving hard disc drive using pressure sensitive adhesive label
A pressure sensitive adhesive label for a hard disk drive includes a substrate, an information indicator formed on one side of the substrate, and a pressure sensitive adhesive layer formed on the...
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6633452 |
Disk drive apparatus, hard disk drive, and enclosure for hard disk drive
A hard disk drive apparatus is capable of reducing a noise effectively during operation and capable of enhancing the reliability of the drive. The hard disk drive has first and second ribs that are...
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6628473 |
Mobile device having disk drive including a data storage zone with a data track pitch configured for use in a mobile environment
The invention may be embodied in a disk drive for use in a mobile device. The mobile device may be a hand held computing device such as a personal digital assistant (PDA) or a mobile terminal such...
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6625014 |
System and method for situating a disk drive
A system and method for situating a disk drive is provided. One embodiment comprises a system for situating a disk drive within a chassis. The system comprises a disk drive unit comprising a drive...
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6624979 |
Method and apparatus for parking and releasing a magnetic head
An information storage device ( 10, 510, 610, 710 ) includes a cradle ( 12, 512, 612, 712 ) which can removably receive a cartridge ( 11, 411, 511, 611, 711 ). The cartridge has a sealed housing (...
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6621693 |
Low profile, high density storage array
A low profile, high density storage array includes a digital data storage unit, such as a rack-mount chassis, and a plurality of digital data storage devices such as disk drives, disposed within...
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6618254 |
Methods and apparatus for securing disk drives in a disk array
A disk array system includes a plurality of disk drives rigidly connected to one another. The disk array system can also include a cage defining openings configured to receive the disk drives...
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6597531 |
Low-profile magnetic disk drive
A magnetic disk drive is provided, which decreases the profile or height of the drive itself without reliability degradation, realizing a low-profile and large-capacity magnetic disk drive. The...
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6594107 |
Magnetic disc apparatus having wiring on the outer bottom
The present invention provides a thinner-type magnetic disc apparatus while maintaining the stiffness of the case. The magnetic disc apparatus includes a magnetic disk 100, a spindle motor 109 ...
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6590737 |
Method of measuring the coefficient of friction between a head slider and magnetic medium by taking into account the adsorptive component of friction
An adsorptive tangential force is measured at the moment when a slider has contacted or touched a receiving surface. The adsorptive tangential force is induced solely by the adsorption transmitted...
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6583949 |
Disc drive bottom mounting through a shield plate
A disc drive mounting assembly is disclosed for bottom mounting a disc drive to a mounting structure. The disc drive includes a baseplate having mounting rails, a shield plate, and a printed...
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6570736 |
Magnetic disk drive unit and production method therefor
A magnetic disk drive unit can is designed for reducing weight, improving impact resistance, improving removing ability, and achieving easiness of assembling and lower a cost in a magnetic disk...
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6567235 |
Drive housing with integrated electrical connectors
A drive housing ( 24 ) including a housing cover wall ( 56 ), a housing base wall ( 53 ) having at least one wall aperture ( 32 ), and one or more housing side walls ( 54 ) that secure the housing...
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6567236 |
Antiferromagnetically coupled thin films for magnetic recording
An antiferromagnetically coupled layer structure for magnetic recording wherein the top ferromagnetic structure is a bilayer structure including a relatively thin first sublayer of ferromagnetic...
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6560063 |
Top cover for disk drive having stiffening features and gasket clearance enhancements
A computer disk drive top cover is provided with stiffening features and gasket clearance enhancements. In the preferred embodiment, the top cover includes a flange or skirt extending substantially...
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6558582 |
Semiconductive ceramics and supporting member made of the same for supporting magnetic disk substrate
A semiconductive ceramic contains a compound of MgO and SiO 2 as a main component, and an iron oxide such as FeO, Fe 2 O 3 , and Fe 3 O 4 as an electric conductivity provider. According to...
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6552870 |
Disk drive improved in mounting structure of a printed circuit board with respect to a motor frame
In a disk drive using a motor frame, the motor frame is provided with a projection preliminarily formed to protrude on its principal surface. The projection has a slit formed at its base. A printed...
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6552869 |
Magnetic storage card
When a lower head ( 34 b ) mounted on a lower head arm ( 32 b ) is in a standby position permitting no access to a magnetic recording disk ( 13 ), the lower head arm ( 32 b ) is housed in an...
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6552872 |
Magnetic disk drive capable of preventing stiction of magnetic head
A magnetic disk drive includes a magnetic recording medium rotatably mounted in a housing, a magnetic head slider having an electromagnetic transducer for reading/writing data from/to the magnetic...
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6552871 |
Hard disk drive head-media system having reduced stiction and low fly height
A disk drive system including a disk having a contact surface and a slider having a surface with a pattern of features is described. The disk's contact surface is textured with protrusions that...
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6548194 |
Perpendicular magnetic recording medium and a magnetic reproducing apparatus
Disclosed is a magnetic recording medium having a laminate structure comprising at least a substrate, a Co alloy bias layer, a soft magnetic layer, and a magnetic recording layer. The direction of...
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6545839 |
Ergonomic safety mechanism for handling micro-sized computer hard disk drives
A hard disk microdrive is equipped with an ergonomic assist mechanism for safe handling of the microdrive while removing it from a system. The mechanism is located on one end of the microdrive,...
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6541104 |
Magnetic recording medium and a magnetic recording device
A magnetic recording medium has a construction in which on a non-magnetic support member are successively stacked a seed layer made of a non-magnetic material that is mainly composed of Cr, a...
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6529345 |
Disk drive employing a multi-layer noise-dampening HDA cover
A disk drive with reduced acoustic noise is disclosed. The disk drive comprises a disk, a head, an actuator arm for actuating the head radially over the disk, a base, and a cover attached to the...
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6522534 |
Pen-type portable memory device
Convenient portable memory device including a cartridge member including a chamber and a cap member. The chamber is defined by a rigid wall for accommodating a memory unit. The chamber has an...
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6519110 |
Disk drive pass-through connector
A low height disk drive having an overall height of approximately one inch (1″). The drive includes a head disk assembly, including a base plate, two disks rotatably supported on the base plate,...
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6511761 |
Magnetic recording media and magnetic storage apparatus
In a magnetic storage apparatus including a recording medium having a magnetic layer, a seed layer and an underlayer formed on a substrate, a driver for driving the recording medium, a magnetic...
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6510021 |
Mechanical isolation for a disc drive spindle motor
Apparatus for mechanically isolating an excitation source, such as a disc drive spindle motor, to reduce the generation of acoustic noise by and to suppress the effects of external mechanical...
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6501614 |
Acoustic insulator for controlling noise generated in a mass storage device
A hard disk drive which has a housing that can attenuate noise. The housing may include a first layer that is attached to a second layer and a third layer located between the first and second...
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6498700 |
Damping material, damping method and disc drive
A damping material is made of a porous member having an absolute characteristic impedance value of not less than 800 kg/m 2 ·S in the frequency range of from 1.0 to 3.0 kHz. A damping method has...
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6493164 |
Magnetic recording apparatus and method of magnetic recording
A magnetic recording apparatus having a magnetic recording medium having a recording layer formed on a substrate, the recording layer being constituted by magnetic grains and a nonmagnetic material...
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6490135 |
Disc drive assembly having side rail-channeled air bearing for ramp load-unload applications
A disc drive assembly includes a housing, a disc, an actuator, a ramp and a slider. The ramp is positioned along an edge of the disc to engage a portion of the actuator when the actuator is in a...
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6490123 |
Disc drive having 3.5 inch form factor housing and 2.5 inch form factor disk media
A magnetic disk drive has a housing for a 3.5 inch form factor and disk media of a diameter for a 2.5 inch form factor. The smaller disk media rotate at a high speed while consuming low electric...
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6487037 |
Membrane locking device for selectively immobilizing disk drive spindle
A disk drive has a base containing disks that are mounted on a central drive hub. A cover is mounted and sealed to the base. The cover has an aperture that is sealed with a flexible membrane. The...
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6487036 |
Vibratory feeder for dispensing balance correction members for securing to a disc drive disc pack
A vibratory feeder having a component rod assembly with a component key, a component rod and a component load ramp configured to support balance correction members, a vibrator assembly advancing...
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