Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
01/2005
01/20/2005US20050013050 Slider
01/20/2005US20050013049 Head slider and magnetic disk device including the same
01/20/2005US20050013047 Magnetic recording medium
01/20/2005US20050013043 Reference magnetic signal recording device and method of manufacturing the same
01/20/2005US20050013036 Method to control flying height between a head and a disk and apparatus thereof
01/20/2005US20050011065 System and method for improving the electrical connection of a hard drive relay flexible circuit assembly to an HGA flexure cable
01/19/2005EP1498897A1 Head supporting mechanism
01/19/2005EP1498896A1 Head supporting mechanism
01/19/2005EP1498878A2 Slider for thermally assisted recording by pressurized air
01/19/2005CN1568508A Disc drive
01/19/2005CN1567436A Sensor system for disk device using floated head
01/19/2005CN1185914C Circuit board
01/19/2005CN1185697C Method for installing semiconductor chip
01/18/2005US6845065 Magneto-optical recording medium processing apparatus
01/18/2005US6843705 Apparatus for finishing a magnetic slider
01/13/2005US20050010684 Ultra-low flying height slider design
01/13/2005US20050008341 Magnetic disk apparatus
01/13/2005US20050007919 Optical rotational position information detecting apparatus
01/13/2005US20050007704 Vertically-oriented servo track writer and method
01/13/2005US20050007703 Disc drive suspension
01/13/2005US20050007702 Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly
01/13/2005US20050007699 Flying head slider and manufacturing method of the head slider
01/13/2005US20050007689 Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive using configuration of the disk drive servo controller
01/13/2005US20050007688 Dual speed control to reduce audible noise and protect head during unload in ramp load drives with pawl latch
01/13/2005US20050007687 Method for adjusting flying height of magnetic heads using an electrical charge through an electrical pad on the slider
01/13/2005US20050006964 Spindle motor for hard disk drives
01/12/2005CN1564258A Sampling interface circuit of optical reading head
01/12/2005CN1564251A Self-adaptive hanger for near-field optical memory
01/12/2005CN1564250A Near-field optical memory deep submicron microflight head
01/12/2005CN1184636C Actuator shock snubber, its method anddisk driver using same
01/12/2005CN1184634C Flexible printed circuitboard mounting structure and recording reproducing device adopting said structure
01/12/2005CN1184623C Optical disc recording and reproducing device with oblique angle regulator for reading device
01/12/2005CN1184616C Magnetic head and its manufacturing method, and connectnig capillary for head
01/11/2005US6842407 Method and apparatus for tracking servo system
01/11/2005US6842311 Precise positioning actuator for head element and head device with the actuator
01/11/2005US6842309 Magnetic head slider having optimized ratio of negative pressure bearing to a front or center step bearing
01/06/2005WO2005001834A1 Pickup unit homing mechanism for a disk drive unit
01/06/2005US20050005283 Recording or playback method and apparatus
01/06/2005US20050005279 Recording or playback method and apparatus
01/06/2005US20050002291 Method and apparatus for head positioning control in a disk drive
01/06/2005US20050002124 Storage device slider with sacrificial lapping extension
01/06/2005US20050002121 Method and apparatus for writing with head having spaced read and write elements
01/06/2005US20050002120 Self-servo -writing multi-slot timing pattern
01/05/2005EP1494236A2 Recording or playback machine with a recording or reading device
01/05/2005EP1494213A2 Head position demodulating method and disk apparatus
01/05/2005CN2669316Y Multi-magnetic-head group hard disc
01/05/2005CN1560867A Slider and disk device
01/05/2005CN1183681C Appts. and method for modulation/demodlation with consecutive minimum runlength limitation
01/05/2005CN1183538C Destination sector search method of storage medium and its fetch device
01/05/2005CN1183514C Magnetic recording apparatus
01/04/2005US6839307 Apparatus for recording information and method for retracting the head
01/04/2005US6839204 Head gimbal assembly with a ground or source voltage lead conductor
01/04/2005US6839203 Magnetic head having raised element and magnetic head apparatus using the same
01/04/2005US6839194 Disk drive apparatus and method for generating servo sector pulse
12/2004
12/30/2004US20040268372 Optical pick-up feeding device with buffer
12/30/2004US20040264309 Disk array controller with reconfigurable data path
12/30/2004US20040264059 Self aligning rotatable member
12/30/2004US20040264056 Symmetric interconnect design for a flexure arm of a hard disk drive
12/30/2004US20040264035 Magnetic disk drive
12/30/2004US20040264033 Head position demodulating method and disk apparatus
12/30/2004US20040264031 Method and apparatus for servo writing using incorporated servo writer in a disk drive
12/30/2004US20040261515 Method, device, and system for measuring load on a spring
12/30/2004US20040261514 Spring load correction method and device
12/30/2004US20040261412 Thermal actuator
12/29/2004WO2004114311A1 Recording disc drive
12/29/2004WO2004114310A1 Recording disk driver and ramp member
12/29/2004WO2004114309A1 Recording disc drive and ramp member
12/29/2004CN1558416A Magnetic head actuator and its manufacturing method
12/29/2004CN1182526C Direct access memory having disc motion limiting device
12/29/2004CN1182518C Image processing apparatus and method
12/28/2004US6836390 Hard disk drive comprising a flexible printed circuit with a hole
12/28/2004US6836389 Slider basecoat for thermal PTR reduction
12/23/2004WO2004061604A3 Optimizing processor clock frequency in a hard disk drive to minimize power consumption while maximizing performance
12/23/2004US20040257928 Optical pickup device of micro optical disc drive
12/23/2004US20040257709 Actuator latch for disk drive
12/23/2004US20040257708 System, apparatus, and method of assembling hard disk drive integrated lead suspensions to arm electronics cables via additional degrees of freedom at the tail termination and impedance grooming thereof
12/23/2004US20040257691 Flow or windage control for a cantilevered head assembly
12/22/2004EP1489613A1 Disk drive device
12/22/2004EP1488120A1 Bearing
12/22/2004CN2665865Y Guiding mechanism of optical disc recording/reproducing apparatus
12/22/2004CN1181490C Magnetic disc device
12/22/2004CN1181475C CD device access method and device using said method
12/22/2004CN1181470C Timing based servo longitudinal addressing method, system and apparatus
12/21/2004US6833974 Head positioning device and disk drive using same
12/16/2004WO2004109676A1 Information recording/reproduction device and method
12/16/2004WO2004053845A3 Integral flexible circuit stiffener and head unload ramp
12/16/2004US20040252594 Digital image display device (DIDD)
12/16/2004US20040252413 Magnetic disk drive
12/16/2004US20040252403 Method and apparatus for detecting free fall
12/16/2004US20040252401 Shock detection device, disk drive, shock detection method, and shock detection program
12/16/2004US20040252400 Computer media synchronization player
12/16/2004US20040252399 Method and apparatus for data reproducing in information storage system
12/16/2004US20040252394 Altermatove DC-burstservo pattern for perpendicular recording
12/16/2004US20040252393 Method and arrangement for removing noise and measurements of head-media spacing modulation for digital recording
12/16/2004US20040250416 Merge comb inspection apparatus
12/16/2004US20040250412 Construction method and design for a magnetic head actuator mechanism
12/15/2004CN2664115Y CD-diskette integrated data read-write drive
12/15/2004CN1180428C Servo track write system and servo track write method
12/15/2004CN1180402C Servo magnetic route write device for hard disc driver
12/15/2004CN1180401C Load/unload lift tab for disk drive and its leveling method
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