Inventor

CHUE JACK M

US29 patents

⚠️ This page may combine multiple inventors who share the name “CHUE JACK M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHUE JACK M

WESTERN DIGITAL TECH INC

Adjusting track density over disk radius by changing slope of spiral tracks used to servo write a disk drive

Disk drive decoding binary sequence from phases of servo bursts

Disk drive comprising gray code implemented with servo bursts

Disk drive rewriting servo sectors by writing and servoing off of temporary servo data written in data sectors

Disk drive demodulating a time-based servo pattern

Servo writing a disk drive by writing discontinuous spiral tracks to prevent overheating

Disk drive comprising a spindle motor employing anionic/cationic lubricant to reduce disk surface potential

Track identification codewords having multiple bit error correction capability and generalized gray code property

Servo writing a disk drive by overwriting a harmonic frequency fill pattern in the servo burst area

System and method for processing track identification data in a disk drive

Disk drive having servo sectors that store repeatable runout correction values and related error correction code data

Using an external spiral servo writer to write spiral tracks to a disk to facilitate writing product servo sectors to the disk

Disk drive having internal data structures for efficiently storing repeatable runout cancellation information

Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer

Preamplifier circuit configurable to allow simultaneous read and write operations for self-servo writing a disk drive

Self-servo writing a disk drive by propagating interleaved sets of timing clocks and servo bursts during alternate time intervals

Adjusting track density by changing slope of spiral tracks used to servo write a disk drive

System and method for processing track identifier errors to mitigate head instability in data storage devices

Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer

ESD-protected head gimbal assembly for use in a disk drive

Feed forward compensation for fly height control in a disk drive

Head stack assembly including a trace suspension assembly backing layer and a ground trace for grounding a slider

Slider with a slider ground pad electrically connected to write head poles and read head shields

Disk drive compensating for cycle slip of disk locked clock when reading mini-wedge

Selecting a track density for each disk surface of a disk drive based on head characteristic

Disk drive with improved characterization segment pattern and method of recording the same

Servo writing substantially linear servo wedges to reduce overwrite effect in perpendicular magnetic recording

WESTERN DIGITAL FREMONT LLC

Perpendicular recording head with shaped pole surfaces for higher linear data densities

CHUE JACK M

Disk drive employing pulse width modulation of head control signal