Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
05/2002
05/08/2002EP1203372A1 Method for carrying out a track jump and playback device
05/08/2002DE10138080A1 Mikrostellgliedvorrichtung, Kopftraganordnung und Plattenaufzeichnungsgerät Micro-actuator device, head support assembly and disc recording apparatus
05/08/2002CN1348584A Actuator latch for disc drive
05/08/2002CN1348188A Disk drive
05/08/2002CN1084509C Magnetic head, magnetic recording reproducing device with the same magnetic head and method for producing the same magnetic head
05/07/2002US6385156 Positioning structure of a flexible printed circuit for a pick-up used in a disc drive and pick-up assembly used in a disc drive
05/07/2002US6385144 Storage device with means for efficiently positioning a head on a disk including guard areas lacking position information
05/07/2002US6385013 Contact type magnetic disc apparatus
05/07/2002US6384998 Multiplexing servo tracking signals in a disk drive
05/07/2002US6384994 Method for positioning a magnetoresistive head using a thermal response to servo information on the record medium
05/07/2002US6382499 Ultrasonic bonding performing method and method for transforming, retaining and releasing a suspension assembly
05/07/2002CA2163053C Self-servowriting timing pattern generation
05/02/2002WO2002035688A1 Voice coil motor
05/02/2002WO2002035544A2 Disc head slider having convergent channel features with leading edge inlet
05/02/2002WO2002035543A1 A circuit for self-writing servo and clock fields on a disc drive
05/02/2002WO2002035534A2 Drive device
05/02/2002US20020051326 Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly, manufacturing method of actuator and manufacturing method of head gimbal assembly
05/02/2002US20020051325 Magnetic head assembly
05/02/2002US20020051324 Suspension for disc drive
05/02/2002US20020051322 Head suspension for disk drive and method of manufacturing head suspension
05/02/2002US20020051321 Method of manufacturing head suspension for disk drive, and semi-finished suspension
05/02/2002US20020051320 Suspension for disc drive
05/02/2002US20020051319 Suspension for disc drive
05/02/2002US20020051317 Head suspension for disk drive
05/02/2002US20020051316 Patterned and directional selective roughening of a slider air-bearing surface
05/02/2002US20020050814 Testing apparatus and method for testing magnetic head and/or magnetic disk
05/02/2002US20020050767 Micro-actuator and method of producing the same
05/02/2002EP1202423A2 Actuator drive circuit
05/02/2002EP1202274A2 Head assembly having staggered leading edge for tuned air entrainment
05/02/2002EP1202273A2 Head supporting mechanism
05/01/2002CN1347557A Rotationally optimized seek initiation
05/01/2002CN1347554A Device for scanning rotating information carrier
05/01/2002CN1347551A Apparatus and method for controlled excitation of servomechanism
05/01/2002CN1347522A Self tuning model reference controller in disc drive
05/01/2002CN1347117A Method and apparatus for providing stream link in audio/video disk medium
05/01/2002CN1347116A Magnetic head floating block and magnetic head balancing stand assembly making method and apparatus
05/01/2002CN1347115A Rotating memory apparatus and controlling method therefor
05/01/2002CN1347108A Record medium and device for protection of digital data with copyright, and method therefor
05/01/2002CN1347080A Method for mfg. support arm assembly of record head
05/01/2002CN1347078A Magnetic head actuator and related gimbal assembly, making method thereof and related magnetic disk drive
05/01/2002CN1083899C Net form article of aluminium alloys contg. beryllium and investment casting method and use thereof
04/2002
04/30/2002US6381103 Magnetic latching for a disc drive
04/30/2002US6381102 Head stack assembly rebound latch for a disk drive
04/30/2002US6381101 Non contact head load/unload apparatus and method for disc drives
04/30/2002US6381100 Integrated lead suspension flexure with balanced parallel leads for insulator layer hygrothermal compensation
04/30/2002US6381090 Hard disk drive head-media system having reduced stiction and low fly height
04/30/2002US6381088 Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
04/30/2002US6381087 Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
04/30/2002US6381084 Preventing overrun in a disk controller by using timer interrupts from a microprocessor to halt sequencer
04/30/2002US6380493 Circuit board
04/25/2002US20020049104 Rotary positioning stage
04/25/2002US20020048231 Drive device
04/25/2002US20020048124 Head supporting mechanism
04/25/2002US20020048121 Suspension for disc drive and manufacturing method therefor
04/25/2002US20020048113 Voltage-constrained sinusoidal seek servo in hard disk drives
04/25/2002US20020048112 Servo defect management scheme in hard disk drives
04/25/2002US20020048108 Method and apparatus to detect and manage servo sectors with defect on servo pattern area in hard disk drives
04/25/2002US20020048107 Circuit for self-writing servo and clock fields on a disc drive
04/25/2002US20020047734 Driving circuit for a voice coil motor and driving method thereof
04/24/2002EP1199720A1 Disk unit
04/24/2002EP1199716A2 Track-jump controlling apparatus and method
04/24/2002CN1346487A Load/unload lift tab for disk drive
04/24/2002CN1346127A Magnetic disk controller, method, recording medium and checking method and device
04/24/2002CN1083604C Cassette tape driving device
04/24/2002CN1083601C Magnetic head device for magnetro-optical recording
04/23/2002US6378052 Data processing system and method for efficiently servicing pending requests to access a storage system
04/23/2002US6377527 Disk drive device having a function of preventing vibration owing to mass eccentricity of disk
04/23/2002US6377418 Digital filter, servo control unit, and disk drive
04/23/2002US6377417 Method for controlling repeatable runout compensation algorithm
04/23/2002US6377407 Optical scanning device having an improved response characteristic
04/23/2002US6377015 Voice coil motor control apparatus for use in disk drives
04/23/2002US6374479 Method and apparatus for manufacturing slider
04/18/2002WO2002031827A2 Suspension sense capability for windage control
04/18/2002US20020044387 Information recording apparatus
04/18/2002US20020044386 Ramp for use in information recording disk apparatus, and information recording disk apparatus
04/18/2002US20020043894 Piezoelectric actuator
04/18/2002US20020043745 Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball
04/17/2002EP1197953A2 Information recording apparatus
04/17/2002EP1196914A1 Tracking system for recording/reading a data medium and recording medium
04/17/2002CN1345061A Magnetic disk drive and hard disk drive
04/17/2002CN1345033A Magnetic head gimbal assembly
04/17/2002CN1345032A Manufacture of head universal joint assembly and device for cutting ball bonding connection
04/16/2002US6374043 Fully-integrated VCM driver with controlled and predictable Class-AB linear operation
04/16/2002US6373812 Disk player capable of adjusting tilt of optical pickup
04/16/2002US6373666 Magnetic disk drive having arm displacement limit mechanism for shock resistance
04/16/2002US6373660 Method and system for providing a permanent shunt for a head gimbal assembly
04/16/2002US6373651 Method for controlling a voice coil motor in a disk drive during cleaning and read/write operations
04/16/2002US6373650 Voice coil motor control circuit having alternative modes of operation and method of operation thereof
04/16/2002US6373649 Reduced head population detection in a disc drive
04/16/2002US6373648 Disk head assembly with multiple read and/or write transducers for improved performance
04/16/2002US6371654 Actuator bearing cartridge for disc storage system
04/16/2002US6371356 Manufacturing method of a magnetic head with use of a capillary having a recess
04/11/2002WO2002029813A2 Hybrid burnish/glide head with advanced air bearing fly height control rails
04/11/2002WO2002029812A2 Method and apparatus for detecting free fall
04/11/2002WO2002029794A1 Method for controlling the tracking of a scanning device and a drive therefor
04/11/2002US20020042470 Protective coatings; water and oil repellents
04/11/2002US20020041471 Actuator block
04/11/2002US20020041469 Head gimbal assembly
04/11/2002US20020041468 Head slider
04/11/2002US20020041467 Dual center pad air bearing for improved flyability and alumina sensitivity