Matches 1 - 48 out of 48


Match Document Document Title
US20070121252 Actuator and hard disk drive having the same  
An actuator of a hard disk drive includes a swing arm having an axis or rotation, a suspension extending from a distal end of the swing arm, a read/write head mounted on the suspension, a coil...
US20080250629 Assembly and method for installing a disc clamp  
The application discloses an assembly tool for installing a disc clamp on a spindle hub. In the illustrated embodiments, the assembly tool includes a head including an inner portion, an...
US20080074796 Ramp load/unload mechanism and storage device  
A ramp mechanism for a storage device reduces power consumption during head loading/unloading operations, and reduces magnetic disk drive failure due to generation and dispersion of wear powder...
US20070206330 Data storage device and disk drive  
Embodiments in accordance with the present invention provide achieve an increase of storage capacity and thinning down of a disk drive by reducing effects from an error in an assembly position of...
US20070188928 Balancer, head stack assembly with the same, and method for manufacturing the balancer and overmold of the head stack assembly  
A balancer installed on an overmold of an head stack assembly to adjust balance of the head stack assembly is formed of stainless steel and demagnetized through a thermal treatment after the...
US20080151434 Low friction load/unload lift tab  
A transducing system includes a support assembly for supporting a transducer and a lift tab extending from the support assembly. The lift tab has a surface configured to lift the support assembly...
US20050213254 Ramp unit and magnetic disc apparatus  
Disclosed is a ramp unit attached within a casing housing a magnetic disc, and making a magnetic head standby, the ramp unit including: a ramp main body guiding and holding the magnetic head...
US20080297943 Ramp in Hard Disc  
The present invention discloses a hard disk drive head loading and unloading device, including a working division and a positioning division. The working division and the positioning division are...
US20080037175 Ramp for Polyoxmethylene Resin Hard Disk Drive  
A ramp for a polyoxymethylene hard resin disk drive, which has an outgas level of not more than 20 μg/g. The ramp for a polyoxymethylene resin hard disk drive comprises the steps of providing an...
US20100296198 Sub-assembly for a hard disc drive  
A bracket for a hard disc drive combining three separate functions, a ramp, a latch and a connector bracket into a single assembly. The bracket assembly, mounted with ramp and latch, secures and...
US20080151433 Disk drive device and carriage of actuator used therein  
Embodiments of the present invention help to suppress performance degradation in an actuator of a disk drive device when attaching a damping member to a single surface of an arm. According to one...
US20080247094 Flex cable assembly for robust right angle interconnect  
A hard disk drive flex cable assembly, for conveying data between a connector to a host system and a head stack assembly, comprises a flex cable, which in part has a first end for coupling to the...
US20080158725 Vibration damping utilizing a patterned visco-elastic polymer  
A micro-machined vibration-damping device comprises a patterned visco-elastic polymer and a substrate for receiving the patterned visco-elastic polymer.
US20070188929 Actuator Load/Unload Ramp  
An actuator assembly is provided having a ramp for unloading a transducing head from a storage medium. The actuator assembly includes an actuator arm rotatable about a pivot point and configured...
US20090303637 DISK DRIVE HAVING A HEAD LOADING/UNLOADING RAMP THAT INCLUDES A TORSIONALLY-COMPLIANT MEMBER  
A disk drive includes a ramp having a fixed portion that is fixed to the disk drive base, and a guide portion that is not. The guide portion includes a guide surface having a parking region that...
US20080285176 STORAGE DEVICE  
A storage device includes a head configured to record information in or reproduce the information from a recording medium, a suspension configured to support the head, a lift tab provided onto the...
US20080204939 MAGNETIC DISK DEVICE  
A magnetic disk device performs yaw angle correction of a magnetic head is compact, and performs yaw angle correction without changing the arm length. A suspension is rotatably provided on the tip...
US20110211280 METHOD AND APPARATUS FOR AT LEAST ONE ACTUATOR ARM DAMPER COVERING AT LEAST ONE LIGHTENING HOLE IN A HARD DISK DRIVE TO REDUCE TRACK MIS-REGISTRATION (TMR)  
This application discloses a hard disk drive, a head stack assembly, an actuator arm, and an arm damper configured for coupling to an actuator arm to create the head stack assembly used in the...
US20050237671 Head load/unload ramp mechanism for a disk drive  
One embodiment of the present invention is a disk drive including: (a) two heads for reading/writing data from/onto a disk; and (b) a ramp mechanism adapted to guide movement of the two heads...
US20090091860 HGA suspension pad barrier for elimination of solder bridging defect  
A method and apparatus for preventing solder bridging. The method includes providing a substrate layer upon which a solder pad is disposed. The method further includes providing a signal...
US20080285175 DISK DEVICE  
According to one embodiment, a magnetic disk device includes a case provided with a base and a top cover. On the base in the case are arranged a motor, a disk-shaped recording medium rotatably...
US20060215322 Recording disk cartridge and disk drive  
The recording disk cartridge includes a rotary shutter that opens and closes the side opening thereof by rotating within the case; a swing shutter that swings according to the rotational movement...
US20070163105 SHIPPING COMB  
A shipping comb combined with a head stack assembly (HSA) which includes sliders recording data onto or reading data from disks, suspensions having the sliders thereon, and end-taps at front ends...
US20100259853 HARD DISK DRIVE  
A hard disk drive includes a head stack assembly including an actuator arm, a voice coil coupled to a bobbin, and a pivot shaft holder, rotatably coupled to a pivot shaft, disposed between the...
US20090262461 FLUID DYNAMIC BEARING WITH AN IMMISCIBLE FLUID BARRIER  
A fluid dynamic bearing with an immiscible fluid barrier deposited on the bearing oil is disclosed. One embodiment provides the fluid dynamic bearing having a seal gap to define a seal cavity. The...
US20090052090 Disk device and electronic equipment using the same  
A disk device includes an actuator which can be turned around a shaft bearing portion as a turning center in a radius direction of a recording medium, a ramp block which holds a part of the...
US20060132980 Head parking ramp for hard disk drive  
A head parking ramp for a hard disk drive (HDD). The head parking ramp is designed to park a read/write head off a disk of the HDD when the disk stops rotating. The head parking ramp includes a...
US20080037176 Disk apparatus  
A disk apparatus includes a ramp which holds a tip end of an arm at a position away from a disk, and a slit shroud having an airflow control plate. A side surface of the airflow control plate is...
US20110141614 Magnetic Head Drive Device  
A magnetic head drive device including a suspension for supporting a magnetic head, and a main actuator that produces rotary movement of the magnetic head by applying current to a coil. The main...
US20080180851 FLEXIBLE PRINTED CIRCUIT HOLDING MECHANISM OF HARD DISK DRIVE AND ACTUATOR ASSEMBLY INCLUDING THE SAME  
An FPC holding mechanism of an actuator assembly of a hard disk drive (HDD) includes an FPC holder protruding from an arm-mold of the actuator assembly, and an FPC clip that is mounted to the FPC...
US20070091507 Load/unload ramp  
A disc drive utilizes ramp load unload technology. A ramp component of the disc drive includes a recess that reduces the contact surface area of the ramp component that supports an actuator...
US20150009591 STREAMLINED VOICE COIL ACTUATOR FOR HARD DISK DRIVE  
Approaches to improving head positioning accuracy in a hard disk drive, by reducing air pressure fluctuations that would otherwise cause unwanted coil torsion in a voice coil actuator, include a...
US20100246068 HARD DISK DRIVE  
In a hard disk drive (HDD), a ratio of the distance R between the axis of rotation of an actuator and a magnetic head to the distance R0 between the axis of rotation of the actuator and the center...
US20100254045 SILENT RETRACT OF HEADS IN A HARD DISK DRIVE  
A hard disk drive with an actuator arm assembly that is coupled to a head and includes a voice coil motor. The drive also includes a drive circuit that provides a drive current to the voice coil...
US20050270699 Ramp member of variable inclination angle in recording disk drive  
First and second guiding passages are defined in a ramp member. The first guiding passage extends along a first inclined plane intersecting with a reference plane by a first inclined angle. The...
US20080212226 Disk drive device, altitude determination method therefore and method for determining characteristic of head element portion  
Embodiments of the present invention allow for a precise altitude to be calculated from read-out signals of a head slider. In one embodiment, a hard disk controller/multiprocessing unit (HDC/MPU)...
US20080024929 Method and apparatus preventing slider separation from disk surface contact start-stop hard disk drive  
Parking sliders on disk surfaces by a load tab contacting a tab ramp to engage sliders into secure contact. Head gimbal assemblies including these load tabs; the disk clamp, disk spacer, spindle...
US20100118446 DISK-CHUCKING DEVICE  
A disk-chucking device comprises a pressing member including a circular groove which is provided around a circumference of the clamp member, and a clamping member mounted on a turning plate for...
US20090310261 INFORMATION STORAGE DEVICE  
An information storage device includes: a disk-like rotatable recording medium; and a head reproducing information from and/or recording information into the recording medium. The device further...
US20120182646 PERPENDICULAR MAGNETIC RECORDING HEAD AND MAGNETIC DISK APPARATUS  
According to one embodiment, a perpendicular magnetic recording head includes a main pole which generates a recording magnetic field, a return pole which forms a closed magnetic circuit for the...
US20100067149 SYSTEM, METHOD AND APPARATUS FOR ONSET MAGNETIC OXIDE LAYER FOR HIGH PERFORMANCE PERPENDICULAR MAGNETIC RECORDING MEDIA  
Perpendicular magnetic recording media has been enhanced by controlling the initial growth of magnetic oxide layers and increased magnetic isolation between the grains in the initial magnetic...
US20090273861 MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM, THE MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS  
A magnetic recording medium includes a substrate; and a recording film formed on the substrate and including a main magnetic film, the main magnetic film where a recording area and a guard area...
US20120206837 MAGNETORESISTIVE ELEMENT, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING/REPRODUCING APPARATUS  
A magnetoresistive element includes a lamination body and a pair of electrodes. The lamination body includes a first magnetic layer, a second magnetic layer, and a spacer layer. The spacer layer...
US20170186453 BEARING DEVICE, INFORMATION RECORDING AND REPRODUCING DEVICE, AND MANUFACTURING METHOD FOR BEARING DEVICE  
A bearing device includes a shaft and a roller bearing externally inserted over the shaft. The roller bearing includes an inner ring disposed coaxially with a center axis of the shaft, an outer...
US20170025137 DISC DRIVE ACTUATOR BEARING CARTRIDGE ASSEMBLY WITH TEMPERATURE INDUCED ROTATIONAL TORQUE MITIGATION  
Various aspects of the present disclosure are directed toward a disc drive actuator assembly including an e-block, a bearing, and a sleeve. The bearing includes an inner race, an outer race and a...
US20160189736 BEARING DEVICE  
In order to prevent leaking of lubricant, the bearing device includes a rolling bearing having an outer ring and an inner ring, a shaft fixed to the inner ring, and a sleeve fixed to the outer...
US20150077877 ENLARGED SUBSTRATE FOR MAGNETIC RECORDING MEDIUM  
An enlarged substrate for a magnetic recording medium used in a data storage device such as a hard disc drive (HDD). In some embodiments, an apparatus includes a substrate for a magnetic recording...
US20140002931 PIVOT BEARING AND MAGNETIC RECORDING APPARATUS USING THE SAME  
A pivot bearing 13 includes: a shaft 21; and a plurality of ball bearings 20 which are arranged in an axial direction with respect to the shaft 21 and each of which has an inner ring 27 fixed to...

Matches 1 - 48 out of 48