Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
10/2002
10/31/2002US20020158529 Ferrofluid pivot bearing
10/31/2002US20020157756 Method of producing ceramic laminate body
10/30/2002EP1253582A2 Load/unload operation control method and storage apparatus
10/30/2002CN1093673C Slide block-suspension assembly for disc system and control method for gap between sliding block and suspension frame
10/30/2002CN1093672C Magnetic recording device
10/29/2002US6473273 Rotary head assembly
10/29/2002US6473272 Dynammically symmetric actuator
10/29/2002US6473270 Actuator shock snubber
10/29/2002US6473269 Piezoelectric disk latch
10/29/2002US6473268 Recording disk drive
10/29/2002US6473267 Floppy disk drive unit with mounting plate between carriage and lower magnetic head
10/29/2002US6473259 Disk head height control
10/29/2002US6473254 Method and system for compensation of nonlinearity or fluctuation of head-position signal
10/29/2002US6473184 Interferometer which divides light beams into a plurality of beams with different optical paths
10/29/2002US6472794 Microactuator
10/24/2002WO2002084650A1 Air bearing slider
10/24/2002WO2000000966A3 Improved notch filtering as used in a disc drive servo
10/24/2002US20020154450 Precise positioning actuator for head element, head gimbal assembly with the actuator and manufacturing method of actuator
10/24/2002US20020154448 Suspension and head gimbal assembly with the suspension
10/24/2002US20020154447 Head gimbal assembly with precise positioning actuator for head element
10/24/2002US20020154446 Head gimbal assembly with precise positioning actuator for head element
10/24/2002US20020154445 Suspension and head gimbal assembly
10/24/2002US20020154440 Electrostatic track following using patterned media
10/24/2002US20020154438 Load/unload operation control method and storage apparatus
10/24/2002US20020154437 Magnetic recording apparatus
10/23/2002CN1375828A Eccentricity compensation apparatus
10/23/2002CN1375819A Magnetic-head supporting element mfg. method
10/22/2002US6470412 Disk drive, disk control method, data read/write method, data assignment method, and disk storage medium
10/22/2002US6469979 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
10/22/2002US6469863 Active magnetic bearing system for improved servo control
10/22/2002US6469861 Head positioning apparatus and method therefor
10/22/2002US6469859 Method and system for accurate self-servowriting with normalization in a disk drive
10/22/2002US6469858 Motor current consumption control system for a flexible magnetic disk drive or the like
10/22/2002US6469852 Disk on which servo pattern is recorded and arithmetic processing method for servo pattern read from the disk
10/22/2002US6469849 Field ratioing demodulation circuit for a null-type servo pattern
10/22/2002US6467141 Method of assembling micro-actuator
10/17/2002WO2002082442A1 Head slider and method of manufacturing the head slider
10/17/2002WO2002082441A1 Baseplate for arm and suspension assembly
10/17/2002US20020150179 Synchronous detection of wide bi-phase coded servo information for disk drive
10/17/2002US20020150005 Recording/reproduction apparatus, recording/reproduction method and information recording medium
10/17/2002US20020149885 Actuator assembly retaining clip
10/17/2002US20020149883 Disc drive magnetic latch mechanism
10/17/2002US20020149882 Pawl latch for ramp loading hard disk drivers
10/17/2002US20020149881 Head assembly capable of efficiently radiating heat generated from head IC mounted thereon
10/17/2002US20020149877 Hard disk device having a shroud member fixed on a base as a separate member
10/17/2002US20020149876 Magnetic disk device with wind shield members
10/17/2002US20020149875 Low height disc drive having a port connector
10/17/2002US20020149873 Circuit for estimating the speed of an electromagnetic actuator
10/17/2002US20020149869 Disk storage apparatus
10/17/2002US20020149868 Servo mark detection device and servo mark detection method
10/16/2002EP1249840A2 Magnetic disk device
10/16/2002EP1249839A1 Hard disk device having a shroud member fixed on a base as a separate member
10/16/2002EP1249831A1 Pawl latch for ramp loading hard disk drives
10/16/2002EP1070320B1 Optical scanning device having an improved response characteristic
10/16/2002EP0726572B1 Optical disk and optical disk drive device
10/16/2002CN1375098A Spacer/stop assembly and disc drive with spacer/stop assembly
10/16/2002CN1092829C Apparatus for reading or receiving infromation with optical mode on pivoting optical disc
10/16/2002CN1092828C Optical disk drive
10/15/2002US6466413 Magnetic head with flexure system for reduced stress concentration
10/15/2002US6466411 Magnetic head device supported by a bent load beam
10/15/2002US6466410 Slider for a data storage device with head disc interface for contact starts and stops (“CSS”)
10/15/2002US6466394 Storage device and method of detecting a position of a head on a disk of the storage device
10/15/2002US6466393 Driving device and servo method with fixed-speed movement
10/15/2002US6466392 Head flight characterization using a non-contact voltmeter
10/15/2002US6466391 Head retraction circuit
10/15/2002US6466387 Data recording disk and disk drive device for reducing wasted space on a data recording disk
10/15/2002US6466385 Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track
10/15/2002US6466257 Method and tool for measurement of roll static attitude of sliders in a magnetic recording head stack assembly
10/10/2002WO2002080174A1 Thrust load applying mechanism, and disk device having the thrust load applying mechanism
10/10/2002WO2002080173A1 Skew adjusting mechanism for pickup in disk device, and disk device having the skew adjusting mechanism
10/10/2002WO2002080168A1 Disk tray, and disk device having the disk tray
10/10/2002WO2002080166A1 Disk tray position sensing mechanism and disk apparatus comprising this disk tray position sensing mechanism
10/10/2002WO2001097221A9 Drive level flow-field conditioning to reduce flow field turbulence
10/10/2002US20020145962 Optical disk playing apparatus and method for discriminating optical disk
10/10/2002US20020145951 Shaped control efforts in a digital servo system
10/10/2002US20020145833 Magnetic recording and reading device
10/10/2002US20020145831 Magnetic head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same
10/10/2002US20020145830 Baseplate for arm and suspension assembly
10/10/2002US20020145829 Wafer fabrication for thermal pole tip expansion/recession compensation
10/10/2002US20020145828 Disc head slider designs to reduce particle sensitivity
10/10/2002US20020145819 Servo track writer and driving method therefor
10/10/2002US20020145818 Method and apparatus for estimating the flyheight of an airbearing slider in a storage device
10/10/2002US20020145817 Circumferential positioning of servo sectors for servo track writing
10/09/2002EP1248254A2 Optical disk playing apparatus and method for discriminating optical disk
10/09/2002EP0716769B1 Arcuate scan tape drive
10/09/2002CN1373891A Magnetic sensing of motion in microfabricated device
10/09/2002CN1373470A Method and device for adjusting load fed by suspended solids
10/09/2002CN1092384C Method of fixing suspension to actuator arm and removing same, and actuator arm assembly
10/08/2002USRE37869 Head signal supply/retrieval structure for magnetic disc drive
10/08/2002US6462913 Disk drive latching assembly
10/08/2002US6462912 Air vane latch incorporating a cam pin on the actuator
10/08/2002US6462910 Magnetic disk apparatus
10/08/2002US6462909 Disc head slider having wear-resistant pads for enhanced damping
10/08/2002US6462904 Timing based servo system for magnetic tape systems
10/08/2002US6462898 Disk drive with information encoded in the position error signal fields
10/03/2002WO2002077994A1 Actuator for positioning head element finely and head device with the actuator
10/03/2002WO2002077992A1 Multi-phase acceleration of a data storage disc
10/03/2002WO2001018804A9 Disk drive with multiple heads for reduced track access time
10/03/2002US20020141117 Precise positioning actuator for head element, head gimbal assembly with the actuator and manufacturing method of head gimbal assembly
10/03/2002US20020141116 Actuator latch for hard disk drive