Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 21 - Head arrangements not specific to the method of recording or reproducing
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
04/2005
04/06/2005CN1604195A Head actuator assembly and disk drive provided with the same
04/06/2005CN1604191A Disk drive having improved timing marks
04/06/2005CN1196244C Electric motor and manufacturing method thereof
04/06/2005CN1196113C Magnetic head slipper and magnetic disk driver with said member
04/06/2005CN1196112C Advanced servo writing method for hard disc drives
04/06/2005CN1196111C Magnetic head mounting assembly with accurately locating actuator
04/06/2005CN1196110C Disk set and its manufacturing method
04/06/2005CN1196109C Installation of magnetic head of IC chip on suspension and production method thereof
04/06/2005CN1196107C Method for polishing magnetic-head floating block
04/06/2005CN1196106C Manufacturing method of slipper and device used
04/05/2005US6876603 Information write/read head including an optical slit having a light emitting section whose width is shorter than a light beam diffraction limit
04/05/2005US6876511 Disk drive and method of detecting servo address mark in the same
04/05/2005US6876510 Detecting head landings on a data zone of a data storage disc
04/05/2005US6876509 Integrated electrostatic slider fly height control
04/05/2005US6876506 Information recording medium, information recording/reproducing head, and information storage device
04/05/2005US6876168 Disturbance attenuation in a precision servomechanism by a frequency-separated acceleration soft sensor
04/05/2005US6875026 Hard disk drive with connectors that simplify assembly
04/05/2005US6874677 Bonding pad of suspension circuit
03/2005
03/31/2005WO2005029494A1 Treatment system and method for a head gimbal assembly static altitude control
03/31/2005US20050069634 Method for manufacturing master disk for magnetic transfer
03/31/2005US20050068682 Head actuator assembly and disk drive provided with the same
03/31/2005US20050068662 Method and apparatus for determining track pitch for writing servo information in a disk drive
03/31/2005US20050068661 Apparatus and method for controlling head loading in disk drive
03/31/2005US20050068659 Methods and apparatus for thermally bonding lubricant to a disk surface with use of a heat source in a magnetic head
03/31/2005US20050068658 Method for self-servo self-writing a disk drive with dual-stage actuator
03/31/2005US20050068657 Servo self-write disk drive with dual-stage actuator
03/31/2005US20050068656 Disk drive including an auxiliary pulse width modulation (PWM) control circuit and related methods
03/31/2005US20050068655 Method and apparatus for dynamically establishing roll static attitude in hard disk drive
03/31/2005US20050068651 Disk drive having improved timing marks
03/31/2005US20050067096 Treatment system and method for a head gimbal assembly static altitude control
03/30/2005EP1346347B1 Head drum with magnetic mounting of rotary transformer
03/30/2005CN2689396Y Fixer of drawing driver
03/30/2005CN1602339A Ramp for hard disc
03/30/2005CN1601626A Scanning device for an apparatus for reading from or writing to optical recording media
03/30/2005CN1601619A Method of real time controlling motor voltage of sheave pully when jumping rail
03/30/2005CN1601616A Servo control method and servo control circuit, and optical disk device having the same servo control circuit
03/29/2005US6874154 Pickup guide shaft adjusting device
03/29/2005US6873577 Optical head position control for optical recording device
03/29/2005US6873485 Recording medium and apparatus for protecting copyrighted digital data
03/29/2005US6871392 Method of constructing an integrated lead suspension
03/24/2005US20050066347 Scanning device for an apparatus for reading from or writing to optical recording media
03/24/2005US20050063098 Rotating disk storage device
03/24/2005US20050063096 Integrated lead suspension and method of construction
03/24/2005US20050063095 Rotating disk storage device
03/24/2005US20050063091 Rotating disk storage device
03/24/2005US20050060873 Manufacturing method of head arm assembly
03/24/2005DE102004040952A1 Leistungs-Schaltsystem für eine akustische Vorrichtung Power switching system for an acoustic device
03/23/2005EP1517307A1 Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a function
03/23/2005EP1517306A1 Suspension for a disk drive
03/23/2005EP1517304A2 Method of measuring compensation value for short track seeking in hard disc drive and method of compensating for bias using the same
03/23/2005EP1517303A1 Single lever type actuator latch system of disk drive
03/23/2005EP1517302A1 Suspension assembly and magnetic disk drive
03/23/2005EP1517301A2 Head suspension assembly for a disk drive
03/23/2005CN1598954A Head-disk interaction sensor integrated with suspension
03/23/2005CN1598931A Magnetic head slipper and magnetic disk driver with said member
03/23/2005CN1598929A Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method therefor
03/23/2005CN1194352C Integrated circuit for controlling soft disk driver
03/22/2005US6870801 Track servo control method, track servo controller and optical storage device
03/22/2005US6870800 Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus
03/22/2005US6870709 Head slider having piezoelectric actuator
03/22/2005US6870701 Motor driving device and disk device
03/17/2005WO2005024808A1 Disc drive apparatus
03/17/2005US20050058045 Method of controlling a sled motor control signal
03/17/2005US20050057861 Head gimbals assembly, head stack assembly, and magnetic disk drive
03/17/2005US20050057859 Rotating disk storage device
03/17/2005US20050057858 Accessing both sides of data storage tape
03/17/2005US20050057857 Rotating disk storage device and latch method thereof
03/17/2005US20050057845 Two-sided data storage tape with servo information on both sides of the tape
03/17/2005US20050057844 Digital actuator control and method
03/17/2005US20050057842 Method and apparatus for limiting shock damage to hard disk drive during operation
03/17/2005US20050057841 Head with heating element and control regime therefor
03/17/2005US20050057837 Eccentricity correction data recording method and recording medium having eccentricity correction data
03/17/2005US20050057833 Head-disk interaction sensor integrated with suspension
03/16/2005EP0803158B1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection
03/16/2005CN1596444A Spindle motor for hard disk drives
03/16/2005CN1595507A Demodulation method for CD dither signal and equipment thereof
03/16/2005CN1593827A Solder ball bonding method and bonding device
03/16/2005CN1193372C Optical disc apparatus and adjusting method therefor
03/16/2005CN1193355C Information recording medium and its recording method and playback method
03/16/2005CN1193349C Producing and fixing method for magnet head slide block
03/16/2005CN1193217C Apparatus and method for checking of forces
03/15/2005US6866546 Electrical interconnect scheme
03/15/2005US6865798 Method for shaping air bearing surface of magnetic head slider
03/15/2005CA2165964C System architecture for hdd
03/10/2005WO2005022527A1 Operating device, position-switching device, and magneto-optical recording/reproducing device
03/10/2005US20050055706 Disc drive apparatus
03/10/2005US20050052979 Method and system for detecting state of disc drive
03/10/2005US20050052785 Head suspension for disk drive
03/10/2005US20050052784 Suspension assembly and magnetic disk drive
03/10/2005US20050052781 Method and apparatus for controlling track seek servo of disk drive
03/10/2005US20050052779 Servo writer and servo writing method
03/10/2005US20050052777 Method and apparatus for positioning head using servo burst signals in a disk drive
03/10/2005US20050052776 Magnetic disk apparatus and position control method for magnetic head slider thereof
03/10/2005US20050052774 Efficient notch coefficient computation for a disc drive control system using fixed point math
03/10/2005US20050052773 Increasing head-disk interface reliability using controlled heating
03/10/2005US20050052770 Method and apparatus for recovering read errors in a disk drive
03/10/2005US20050052769 Magnetic disk apparatus and servo pattern recording method therefor
03/10/2005US20050052766 Method for dynamically measuring suspension in-plane and out-plane thermal drift hard disk drives
03/10/2005US20050051521 Solder ball bonding method and bonding device
03/09/2005EP0804846B1 Synchronous detection of wide bi-phase coded servo information for disk drive
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