Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
12/2003
12/18/2003US20030231423 Data storage device, control device, off-track control method, and control method
12/17/2003EP1371878A1 Feed screw driver and information recorder/reproducer
12/17/2003CN1462448A Magnitic disk device
12/17/2003CN1131512C Comb-rocker optical head structure for layered combined optical disk
12/16/2003US6665255 Recording reproducing apparatus
12/16/2003US6665149 Connector for flexible printed circuit boards, head actuator provided with the same, and disk drive
12/16/2003US6665148 Magnetic head apparatus with IC chip mounted on suspension for increased heat diffusion and magnetic disk apparatus having magnetic head apparatus
12/16/2003US6665146 Airflow assisted ramp loading and unloading of sliders in hard disk drives
12/16/2003US6665138 Technique for detecting head position in hard disk drive
12/16/2003US6664663 Assembly method for a voice coil motor
12/11/2003WO2003102951A1 Recording medium drive device and ramp member assembly
12/11/2003WO2003102950A1 Method for encapsulation of a u shape micro-actuator
12/11/2003US20030227719 System and method for damage prevention by improving the shock resistance of a hard disk actuator arm
12/11/2003US20030227718 Suspension and disk unit
12/11/2003US20030227717 Subambient pressure slider with partitioned subambient area
12/11/2003US20030227716 Thin film magnetic head
12/11/2003US20030227707 Magnetic disk memory system
12/10/2003CN1461479A Recording and/or reproducing device
12/10/2003CN1460995A 磁盘装置 Disk device
12/10/2003CN1460994A Method and device for completing self-servowrit on magnetic disk drive
12/10/2003CN1130703C Apparatus for recording/reproducing information with drive system for scanning device
12/09/2003US6661619 Suspension for disc drive
12/09/2003US6661618 Suspension for disc drive with insulating cover film on piezoelectric element
12/09/2003US6661612 Air bearing slider including side rail shallow recessed surfaces extending along trailing portions of leading side air bearing surfaces
12/09/2003US6661611 Funneled trench AAB increased contact stiffness and enhanced take-off performance
12/09/2003US6661607 Method and apparatus for electromagnetic interference reduction in magnetic recording devices
12/09/2003US6661598 Calibration method for use in head loading/unloading type disk apparatus
12/09/2003US6661593 Servo information detection method and disk apparatus using the same
12/09/2003US6658722 Coating polyamic acids on stainless steel, superimposing thin films of copper, patterning by etching and photolithography, then imidating to form polyimide supports for disk drives
12/04/2003WO2003100289A1 Vibration damping member, device and method
12/04/2003US20030223346 Optical disk apparatus
12/04/2003US20030223155 Thin film piezoelectric element and its manufacturing method, and actuator using the same
12/04/2003US20030223154 Method for encapsulation of a U shape micro-actuator
12/03/2003EP1367586A1 Positioning control device and positioning control method
12/03/2003EP1367585A1 Disk device
12/03/2003CN2590130Y Hard disk rotation motor control system
12/03/2003CN2590126Y Disk drive implanted servo system
12/03/2003CN1460265A Thrust load applying mechanism, and disk device having thrust load applying mechanism
12/03/2003CN1460264A Skew adjusting mechanism for pickup indisk device, and disk device having skew adjusting mechanism
12/03/2003CN1460260A Disk tray position sensing mechanism and disk apparatus comprising same
12/03/2003CN1460259A Disk tray, and disk device having disk tray
12/03/2003CN1460250A Magnetic storage medium, method of controlling track pitch of medium, and magnetic recorder for medium
12/03/2003CN1129899C Magnetic disk unit with impact force applying mechanism
12/02/2003USRE38340 Multi-point bending of bars during fabrication of magnetic recording heads
12/02/2003US6657944 Objective lens driving device
12/02/2003US6657943 Pickup feed mechanism
12/02/2003US6657932 Device and method of temperature control for optical storage and retrieving apparatus
12/02/2003US6657928 Disc player with floating lock mechanism and select mechanism
12/02/2003US6657822 Magnetic disk apparatus
12/02/2003US6657819 Magnetic head having protrusion on medium opposing surface and magnetic recording apparatus
12/02/2003US6657805 Method of controlling read write operation of a magnetic disk apparatus
12/02/2003US6657804 Magnetic recording disk drive
12/02/2003US6657361 Piezoelectric drive device
12/02/2003US6655847 Pivot bearing assembly
12/02/2003US6655005 Magnetic head positioning apparatus using boundary line detecting method
11/2003
11/27/2003US20030218964 Recording and/or reproducing apparatus
11/27/2003US20030218961 Disc drive head driver
11/27/2003US20030218958 Disc drive
11/27/2003US20030218832 Magnetic head slider, support therefor and magnetic disk unit
11/27/2003US20030218824 Head position control method and disk storage device
11/27/2003US20030218822 Method and system for rotational velocity-based algorithm for vibration compensation in disk drives
11/27/2003US20030218821 Method and apparatus for performing self-servo writing in a disk drive
11/27/2003US20030218820 Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
11/27/2003US20030218819 Rotational vibration velocity-based sensor for disk drives
11/26/2003EP1365407A1 Disk drive device
11/26/2003EP1364370A2 Servo data detection with improved phase shift tolerance
11/26/2003EP1285439B1 Embodiment for the control of an optical reading device
11/26/2003CN1129139C Slider module, data storage device and method for regulating slider arc surface
11/26/2003CN1129123C Optical head and its making method, optical information recording/reproducing device
11/25/2003US6654317 Method and apparatus for reproducing information
11/25/2003US6654207 Self-positioning magnetic latch
11/25/2003US6654196 Avoiding write to read interference during self-servowriting
11/25/2003US6654190 Flexible air bearing design system with independent profile mapping and height field definition for mask tiers
11/25/2003US6653965 Digital servo control method, digital Servo controller, storage device and head position control method
11/25/2003US6653809 Method for head positioning
11/25/2003US6653763 Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators
11/25/2003US6653761 Micro-actuator and method of producing the same
11/20/2003WO2002099790B1 Vertically-oriented servo track writer and method
11/20/2003US20030214899 Guide shaft height adjustment mechanism and disc drive equipped with the adjustment mechanism
11/20/2003US20030214757 Ramp for magnetic read/write apparatus and magnetic read/write apparatus using the same
11/20/2003US20030214756 Flying head slider and information recording and/or reproduction apparatus
11/20/2003US20030214749 Magnetic disk apparatus
11/20/2003US20030213118 Method of aerodynamically profiling sliders for disc drives, and aerodynamic sliders
11/19/2003EP1363285A1 Disk recording or reproducing device with pickup inclination adjusting mechanism
11/19/2003CN1457493A Disk drive device
11/19/2003CN1457488A Method and apparatus for reading and/or writing data disk
11/19/2003CN1457409A Feed screw driver and infromation recorder/reproducer
11/19/2003CN1457042A Magnetic recording unit and magnetic recording media
11/19/2003CN1128448C Actuating level assembly and disc drive
11/19/2003CN1128445C Tracking control circuit and method in digital image recording and reproducing device using bit error rate
11/19/2003CN1128441C Memory apparatus
11/18/2003US6650508 Positioning mechanism for information storage apparatus and carriage
11/18/2003US6650506 Double-sided disk storage using a single configuration of magnetoresistive head
11/18/2003US6650505 Method and apparatus for improved roll static angle adjustment
11/18/2003US6650499 Servo system with learning function for achieving servo compensation in a disk drive
11/18/2003US6650498 Actuator retract circuit for dual speed hard disk drive
11/18/2003US6650497 Recording and/or reproducing apparatus and method for loading a head on a disc-shaped recording medium
11/18/2003US6650491 System and method for setting a read/write offset and for recovering from data read errors
11/18/2003US6649719 Degradable, amorphous, fluorochemical acrylate polymers
11/13/2003WO2003035919A3 Metal matrix composites of aluminum, magnesium and titanium using silicon hexaboride, calcium hexaboride, silicon tetraboride, and calcium tetraboride