| Patent | Date |
|---|
Disk drive compensating for cycle slip of disk locked clock when reading mini-wedge
Grant 9,025,269 - Wong , et al. May 5, 2 | 2015-05-05 |
Disk drive employing pulse width modulation of head control signal
Grant 8,482,873 - Chue , et al. July 9, 2 | 2013-07-09 |
Disk drive decoding binary sequence from phases of servo bursts
Grant 7,916,415 - Chue March 29, 2 | 2011-03-29 |
Perpendicular recording head with shaped pole surfaces for higher linear data densities
Grant 7,869,160 - Pan , et al. January 11, 2 | 2011-01-11 |
Feed forward compensation for fly height control in a disk drive
Grant 7,839,595 - Chue , et al. November 23, 2 | 2010-11-23 |
Disk drive comprising gray code implemented with servo bursts
Grant 7,710,676 - Chue May 4, 2 | 2010-05-04 |
Disk drive rewriting servo sectors by writing and servoing off of temporary servo data written in data sectors
Grant 7,518,819 - Yu , et al. April 14, 2 | 2009-04-14 |
Disk drive demodulating a time-based servo pattern
Grant 7,502,197 - Chue March 10, 2 | 2009-03-10 |
Adjusting track density by changing slope of spiral tracks used to servo write a disk drive
Grant 7,433,143 - Ying , et al. October 7, 2 | 2008-10-07 |
Servo writing a disk drive by writing discontinuous spiral tracks to prevent overheating
Grant 7,330,327 - Chue , et al. February 12, 2 | 2008-02-12 |
System and method for processing track identifier errors to mitigate head instability in data storage devices
Grant 7,184,230 - Chue , et al. February 27, 2 | 2007-02-27 |
Disk drive comprising a spindle motor employing anionic/cationic lubricant to reduce disk surface potential
Grant 7,180,703 - Subrahmanyam , et al. February 20, 2 | 2007-02-20 |
Servo writing substantially linear servo wedges to reduce overwrite effect in perpendicular magnetic recording
Grant 7,136,242 - Chue , et al. November 14, 2 | 2006-11-14 |
Head stack assembly including a trace suspension assembly backing layer and a ground trace for grounding a slider
Grant 7,099,117 - Subrahmanyam , et al. August 29, 2 | 2006-08-29 |
Track identification codewords having multiple bit error correction capability and generalized gray code property
Grant 7,099,095 - Subrahmanyam , et al. August 29, 2 | 2006-08-29 |
Servo writing a disk drive by overwriting a harmonic frequency fill pattern in the servo burst area
Grant 7,068,461 - Chue , et al. June 27, 2 | 2006-06-27 |
System and method for processing track identification data in a disk drive
Grant 7,050,249 - Chue , et al. May 23, 2 | 2006-05-23 |
Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer
Grant 7,035,026 - Codilian , et al. April 25, 2 | 2006-04-25 |
Slider with a slider ground pad electrically connected to write head poles and read head shields
Grant 7,027,264 - Subrahmanyam , et al. April 11, 2 | 2006-04-11 |
Disk drive having servo sectors that store repeatable runout correction values and related error correction code data
Grant 7,027,256 - Subrahmanyam , et al. April 11, 2 | 2006-04-11 |
Using an external spiral servo writer to write spiral tracks to a disk to facilitate writing product servo sectors to the disk
Grant 7,016,134 - Agarwal , et al. March 21, 2 | 2006-03-21 |
Adjusting track density over disk radius by changing slope of spiral tracks used to servo write a disk drive
Grant 6,987,636 - Chue , et al. January 17, 2 | 2006-01-17 |
Disk drive having internal data structures for efficiently storing repeatable runout cancellation information
Grant 6,972,922 - Subrahmanyam , et al. December 6, 2 | 2005-12-06 |
Selecting a track density for each disk surface of a disk drive based on head characteristic
Grant 6,943,972 - Chue , et al. September 13, 2 | 2005-09-13 |
Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer
App 20050117240 - Codilian, Raffi ; et al. | 2005-06-02 |
Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer
Grant 6,885,514 - Codilian , et al. April 26, 2 | 2005-04-26 |
ESD-protected head gimbal assembly for use in a disk drive
Grant 6,801,402 - Subrahmanyam , et al. October 5, 2 | 2004-10-05 |
Preamplifier circuit configurable to allow simultaneous read and write operations for self-servo writing a disk drive
Grant 6,693,760 - Krounbi , et al. February 17, 2 | 2004-02-17 |
Disk drive with improved characterization segment pattern and method of recording the same
Grant 6,657,801 - Chue , et al. December 2, 2 | 2003-12-02 |
Self-servo writing a disk drive by propagating interleaved sets of timing clocks and servo bursts during alternate time intervals
Grant 6,600,620 - Krounbi , et al. July 29, 2 | 2003-07-29 |
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