Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
06/2001
06/07/2001WO2001041132A2 Fly height control over patterned media
06/07/2001WO2001040869A2 Mask design and method for controlled profile fabrication
06/07/2001DE10050927A1 Storage device e.g. magnetic disk drive, calculates control quantity for actuator based on its back-emf and stored parameters to allow speed control during loading or unloading
06/06/2001EP1104927A1 Disk apparatus
06/06/2001EP1104926A1 Disk apparatus
06/05/2001US6243348 Very-high-density memory device utilizing a scintillating data-storage medium
06/05/2001US6243336 Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same
06/05/2001US6243238 Shock-resistant recording/reproducing device
06/05/2001US6243237 Disk drive apparatus
06/05/2001US6243233 Magnetic head slider and magnetic disk apparatus having the magnetic head slider
06/05/2001US6243232 Magnetic head
06/05/2001US6243226 Apparatus and method for digital servocontrol in a data storage system using disk recording media
06/05/2001US6243225 Adaptive filter for redundant sensor sampled magnetic tape drive control system
06/05/2001US6243224 Asynchronous digital demodulator and method for a null-type servo pattern
06/05/2001US6243222 Load/unload method for sliders in a high speed disk drive
06/05/2001US6242910 Magnetic head and disk tester with yaw correction
05/2001
05/31/2001WO2001039185A1 Pickup moving mechanism for optical disk devices and pickup moving method
05/31/2001US20010002187 Disk device
05/31/2001US20010002184 Disk Device
05/31/2001US20010002159 Discoidal recording medium, head slider and recording and/or playback apparatus
05/31/2001US20010001894 Bonding and machining ferrite cores having random acess memory gaps, to housings formed on nonmagnetic surfaces having rails, opposite to magnetic recording media; disk drives used as auxillary strorage for computers
05/31/2001DE19925876C2 Verfahren und Vorrichtung zur Steuerung der Stellung eines optischen Aufnahmekopfes Method and apparatus for controlling the position of an optical pickup head
05/30/2001EP0728353B1 Stackable actuator assembly
05/30/2001CN1297224A Suspension board with circuit
05/29/2001US6240238 Magnetic disk device
05/29/2001US6240059 Off-axis optical pickup mechanism for dual-sided optical storage discs
05/29/2001US6239951 Air bearing slider with increased speed sensitivity
05/29/2001US6239947 Milliactuator with integrated sensor and drivers and method of manufacturing the same
05/29/2001US6239940 Disk device and disk device calibrating method
05/29/2001US6239936 Method and apparatus for calibrating a thermal response of a magnetoresistive element
05/29/2001US6239935 Method and apparatus for starting a hard disk drive having separate landing and data zones
05/29/2001US6239572 Servo control apparatus
05/25/2001WO2001037271A1 Method for regulating the tracking of a scanning device and drive for the same
05/25/2001WO2001001393A3 Active damping of actuator bearing translational mode
05/24/2001US20010001585 Storage apparatus and position sensitivity setting method
05/23/2001EP1086464A4 Storage card and devices
05/23/2001EP0950245B1 Method and apparatus for writing a clock track on a storage medium
05/23/2001EP0804792B1 Apparatus for recording an information signal on a record carrier provided with tracking signals and a record carrier having such information signals
05/23/2001EP0765517B1 Aerodynamic actuator-filter latch for hard disk drive
05/23/2001EP0759616B1 Metal-resin composite plate, rocking actuator with composite plate, and method for production thereof
05/23/2001DE19955251A1 Verfahren zur Regelung der Nachführung einer Abtastvorrichtung und Laufwerk dafür Method for controlling the tracking of a pickup and drive for
05/23/2001CN1296612A Moving position detector of mobile element and disk apparatus using same
05/23/2001CN1296259A Objective lens driving device for laser optical head
05/22/2001US6236544 Actuator arm assembly for a magnetic disk apparatus
05/22/2001US6236543 Durable landing pads for an air-bearing slider
05/22/2001US6236536 System and method of servo compensation for friction induced off track problem in a data storage device
05/22/2001US6236533 Cable connector conformable to disc drive housing
05/22/2001US6236532 Magnetic disk drive having small clearance between magnetic disk and surface opposing thereto
05/22/2001US6236531 Flex support snubber
05/22/2001US6236529 Optical servo system for a tape drive
05/22/2001US6236527 Disk drive with actuator load/unload controller
05/22/2001US6236032 Tracking pull-in circuit for reducing effect by a defect in a tracking servo loop
05/22/2001US6235465 HTLV-1 probes for use in solution phase sandwich hybridization assays
05/17/2001WO2001035397A1 A device for positioning a transducing head by means of a drive and a microactuator
05/17/2001WO2001035176A2 Servo control apparatus and method using absolute value input signals
05/16/2001EP1099145A1 Data system with support surfaces for reciprocating data head
05/16/2001CN1295707A Optical scanning device having improved response characteristic
05/16/2001CN1295319A IC chip, magnetic head suspended component with IC chip and their manufacture
05/15/2001US6233124 Piezoelectric microactuator suspension assembly with improved stroke length
05/15/2001US6233120 Magnetic disk device
05/15/2001US6233118 System for capturing wear debris in a data storage system
05/15/2001US6231698 Increased torque retention; surface hardening
05/15/2001US6230380 Slider for burnishing a disc
05/10/2001WO2001033561A1 Device for reproducing and/or recording information on a disc shaped information carrier
05/10/2001WO2000079523A3 Magnetic head supporting mechanism
05/10/2001WO2000063891A3 Actuator latch for disc drive
05/09/2001EP1098317A2 Oscillating actuator
05/09/2001EP1098316A2 Process for producing an oscillating actuator
05/09/2001CN1294734A Magnetic according appts.
05/09/2001CN1294482A Circuit board
05/09/2001CN1294388A 摆动致动器 Oscillating actuator
05/09/2001CN1294380A Method for mfg. magnetic head slider, method for fixing a row of rods and curing agent
05/09/2001CN1294379A Method for mfg. slide blank, method for mfg. slide and slide blank
05/09/2001CN1294378A Method and appts. for processing composite slider used for magnetic recording and reproduction magnetic head
05/09/2001CN1294046A Method for producing swing actuator
05/08/2001US6229676 Ferrofluid seal for actuator bearing
05/08/2001US6229673 Magnetic head assembly with contact-type head chip mounting and electrically connecting arrangements
05/08/2001US6229672 High gram load air bearing geometry for a tripad slider
05/08/2001US6229671 Shock pads for a slider for a data storage system
05/08/2001US6229670 Laser texturing of a magnetic disk media to create a contact zone of ridge sections spaced a greater radial distance apart than the width of the ridge section
05/08/2001US6229668 Acoustic plug for a hard disk drive
05/08/2001US6229663 Disk drive loading/unloading apparatus and method for controlling the apparatus
05/08/2001US6229275 Semiconductor integrated circuit device for use in a disk drive
05/08/2001US6229273 Actuator driver circuit
05/08/2001US6228619 Glucosaminidase
05/03/2001WO2001031652A1 Optical storage
05/03/2001WO2001031643A1 Microactuator-induced reactive forces for fine positioning a sensor
05/03/2001WO2001031642A2 Actuator arm with tapered trailing edge and recessed head conductor
05/03/2001US20010000681 Magnetic disk drive having arm displacement limit mechanism for shock resistance
05/03/2001US20010000680 Magnetic head device manufacturing method and intermediate product of magnetic head device manufacture
05/02/2001EP1096493A2 Off-center voice-coil motor
05/01/2001US6226242 Disk recording of playback device and method of controlling pickup of the device
05/01/2001US6226157 Separable arm actuator for hard disk drive
05/01/2001US6226155 Ramp load type magnetic disk unit
05/01/2001US6226154 Asymmetric load/unload ramp and disk drive using same
05/01/2001US6226153 Magnetic-head supporting mechanism
05/01/2001US6226152 Joined metal-resin plate body, swing-type actuator made using the same, and processes for producing these
05/01/2001US6226151 Contact slider for magneto-resistive heads
05/01/2001US6226145 Actuator assembly mounted disc snubber
05/01/2001US6226143 Disk drive having support posts aligned with storage disk and actuator mounting points to reduce mechanical off-tracking