| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 09/13/2000 | CN1266526A Method of implementing a liner discrete-time state-space servo control system on a fixed-point digital signal processor in disc drive |
| 09/13/2000 | CN1266525A Disc drive with robust track following servo controller |
| 09/12/2000 | US6118739 Optical storage apparatus |
| 09/12/2000 | US6118637 Piezoelectric assembly for micropositioning a disc drive head |
| 09/12/2000 | US6118634 Flying type head slider and disk drive apparatus with the flying tape head slider |
| 09/12/2000 | US6118618 Disk cartridge loading device for recording and/or reproducing apparatus |
| 09/12/2000 | US6118616 Digital servo control method for controlling a head driver for moving a head to a target track |
| 09/12/2000 | US6118615 Apparatus for positioning head of magnetic storage device |
| 09/12/2000 | US6118610 Servo information reproducing method and magnetic disk unit with sense current control |
| 09/12/2000 | US6118604 Constant density servo information in a disc drive |
| 09/12/2000 | US6118603 Disk with fault-tolerant sample-data servo pattern |
| 09/12/2000 | US6118602 Preamplifier for a read/write head |
| 09/12/2000 | US6117283 Forming a slider body having a leading end, a trailing end, and an air-bearing surface, forming a single exterior layer of elemental silicon on air-bearing surface to form an exterior wear resistance protective contact layer |
| 09/08/2000 | WO2000052687A1 End position detecting apparatus of a mobile element, and a disk apparatus using the same |
| 09/08/2000 | WO2000019417A9 Actuator assembly debris reduction |
| 09/05/2000 | US6115335 Reproduction apparatus for disk-like recording medium |
| 09/05/2000 | US6115329 Air bearing surface design for constant fly height profile |
| 09/05/2000 | US6115223 Elongate microactuator spanning leading edge surface of slider |
| 09/05/2000 | US6115222 Single, central limit stop for a disc drive actuator |
| 09/05/2000 | US6115221 Magnetic head slider support mechanism and magnetic disk storage |
| 09/05/2000 | US6115214 Rotary snubber assembly for a disc drive |
| 09/05/2000 | US6115204 Rotary head type magnetic recording/reproducing apparatus employing dynamic closed loop and semi-closed loop or open loop tracking systems |
| 09/05/2000 | US6115199 Circuit for preventing servo sector from being overwritten due to misdetection of a servo address mark in a magnetic disk |
| 09/05/2000 | US6112401 Methodology for fabricating sliders for use in glide head devices |
| 09/05/2000 | US6112400 Apparatus and method for adhesively connecting wires to a suspension arm in a disk drive assembly |
| 08/31/2000 | WO2000051126A2 Disk apparatus |
| 08/31/2000 | WO2000051125A1 Compensation for repeatable runout error |
| 08/31/2000 | WO2000051124A1 Seek recovery using different servo pulse data qualification modes |
| 08/31/2000 | WO2000051118A1 A method and apparatus for controlling a disk drive under a power loss condition |
| 08/31/2000 | WO2000051116A1 Magnetic head device and record/playback device |
| 08/31/2000 | WO2000051113A1 Magnetic disk device and master information disk |
| 08/31/2000 | WO2000051112A2 Advanced servo writing method for hard disc drives |
| 08/31/2000 | WO2000051111A1 Buried servo patterned media |
| 08/31/2000 | WO2000051110A1 Vibration control of piezoelectric microactuator |
| 08/31/2000 | WO2000019427A9 Extending actuator range through magnetic flux reversal detection |
| 08/31/2000 | DE19935601A1 Motorantriebsvorrichtung, Verfahren zum Einstellen derselben und Informationsspeichervorrichtung Motor driving apparatus, and method for adjusting the same information storage device |
| 08/30/2000 | EP1031969A2 Mechansim for feeding a pickup carriage of a recording medium reproducing device |
| 08/30/2000 | EP1031965A1 Micrometric actuation, hard disk read/write unit |
| 08/30/2000 | CN1265218A Improved suspension design for head gimbal assembly |
| 08/30/2000 | CN1264895A Servo magnetic route write device and servo information recording method for hard disc driver |
| 08/30/2000 | CN1264894A Imformation recording/reproducing unit, its recording/reproducing method and transmitting media |
| 08/30/2000 | CN1264893A Servo magnetic route write device for hard disc driver |
| 08/30/2000 | CN1056008C Method of and appts. for recording and reproducing optical information |
| 08/29/2000 | US6111830 System for creating, reading and writing on rotatable information storage media, an apparatus for determining linear and/or angular velocity |
| 08/29/2000 | US6111720 Method and apparatus for providing separate read/write velocity curves |
| 08/29/2000 | US6111714 Disk drive and write control method for a disk drive |
| 08/29/2000 | CA2043161C Voice coil type actuator |
| 08/24/2000 | WO2000049606A2 Optimal reader/writer offsets and write fault thresholds in a disc drive |
| 08/23/2000 | CN1264124A Head slider suspension and head assembly and manufacture method thereof |
| 08/23/2000 | CN1264108A Method for manufacture suspension device for magnetic head |
| 08/22/2000 | US6108292 Optical scanning unit comprising a first and a second lens unit |
| 08/22/2000 | US6108291 Optical disc apparatus accessing method and system therefor |
| 08/22/2000 | US6108175 Bimorph piezoelectric microactuator head and flexure assembly |
| 08/22/2000 | US6108173 Magnetic locking mechanism for a disk drive actuator |
| 08/22/2000 | US6108172 One piece flexure for a hard disc file head with selective nickel plating |
| 08/22/2000 | US6108170 Slider row with segmented scribe lines for individual control curvature of sliders in the row |
| 08/22/2000 | US6108157 Head mechanism control apparatus, disk drive, and head unload control method |
| 08/22/2000 | US6108156 Method for recording a port number of a servo track writer |
| 08/22/2000 | US6108153 Servo demodulator and method for synchronous servo demodulation |
| 08/22/2000 | US6108150 Formation of servo information and method for servo control therefor in disk drive data storage system |
| 08/22/2000 | US6106688 Method for manufacturing a suspension element for a magnetic head |
| 08/22/2000 | US6105432 Contact tester |
| 08/17/2000 | WO2000048174A1 Magnetic according apparatus |
| 08/17/2000 | WO2000016332A9 Concentric spacing of virtual data tracks using run-out compensation |
| 08/17/2000 | DE19963688A1 Numerierungsstrategie für Servobereiche von Computer-Plattenlaufwerken Numerierungsstrategie for servo areas of computer disk drives |
| 08/16/2000 | CN1263346A Flexible printed circuit board mounting structure and recording reproducing device adopting said structure |
| 08/16/2000 | CN1263334A Data recording device and magnetic head component |
| 08/15/2000 | US6104675 Method and apparatus for reading and writing magneto-optical media |
| 08/15/2000 | US6104581 Dual coil rotary actuator |
| 08/15/2000 | US6104573 Integral lift wing for a disk drive actuator |
| 08/15/2000 | US6104572 Suspension having reduced torsional mode gain and sensitivity |
| 08/15/2000 | US6104571 Head device having an improved air bearing surface to attenuate a turbulent air flow |
| 08/15/2000 | US6104568 Servo-burst gray code pattern |
| 08/15/2000 | US6104565 System architecture for hard disk drive |
| 08/15/2000 | US6104559 Head position detecting method and disk device |
| 08/09/2000 | EP1026684A1 Method of writing tracking servo signal pattern for magnetic disk device |
| 08/09/2000 | CN1262767A Optical scanning unit comprising first and second lens unit |
| 08/09/2000 | CN1262504A Magnetic head, its manufacturing method and magnetic disc equipment |
| 08/08/2000 | US6101619 Method for improving access performance on track with re-allocation sector in a hard disk drive |
| 08/08/2000 | US6101066 Magnetic head, magnetic recording/reproducing apparatus |
| 08/08/2000 | US6101064 Methods and apparatus for efficiently controlling a read/write head in a computer disk drive |
| 08/08/2000 | US6101063 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range |
| 08/08/2000 | US6101062 Method and apparatus for unloading head from disk before a shock to a disk drive system |
| 08/08/2000 | US6101060 Method and apparatus for reducing data loss errors in a magnetic tape device |
| 08/08/2000 | US6101059 Synchronized read/write heads for double sided tape recording |
| 08/08/2000 | US6101058 Method of implementing a linear discrete-time state-space servo control system on a fixed-point digital signal processor in a disc drive |
| 08/08/2000 | US6101055 Trigger pattern detection method and apparatus |
| 08/08/2000 | US6100829 Method and apparatus for a digital peak detection system including a countdown timer |
| 08/08/2000 | US6100582 Circuit substrate, circuit-formed suspension substrate, and production method thereof |
| 08/08/2000 | US6098270 Process for producing a slider having composite welding studs |
| 08/01/2000 | US6098177 Storage unit having reduced wait time of process with respect to command request |
| 08/01/2000 | US6097572 Tape drive head cleaning cartridge having a cleaning element with cleaning segments extending above and below a cleaning tape |
| 08/01/2000 | US6097571 Magnetic head and system for controlling the position of a magnetic head |
| 08/01/2000 | US6097565 Repeatable runout free servo architecture in direct access storage device |
| 08/01/2000 | US6097564 Method for precise velocity feedback control in an actuator system of a disk drive |
| 08/01/2000 | US6096482 Making insulating layer by heat treating polyamic acid of p-phenylenediamine, 3,3',4,4'-biphenyltetracarboxyacid and 2,2'-bis(trifluoromethyl)-4,4'-diaminobiphenyl on a metal foil substrate; coefficient of thermal expansion same as foil |
| 08/01/2000 | US6094806 Method for fabricating a dual element head |
| 07/27/2000 | WO2000043992A1 Edge contact protection feature for a disc drive head |
| 07/26/2000 | CN1261454A Improved rotary disc drive actuator |
| 07/25/2000 | US6094320 Device and method for compensating for interhead track position offset due to the offset of tracks on disk surfaces |