Disk apparatus using coincidence detection to generate variable

Disk drive apparatus and method for compensating for error...

Disk drive apparatus and method for generating servo sector...

Disk drive clock writer

Disk drive comprising asynchronous/synchronous gain control...

Disk drive comprising index spiral track identified by...

Disk drive data synchronizer with window shift synthesis

Disk drive employing method of writing a data block to a data se

Disk drive employing multiple index marks

Disk drive employing read channel IC with common port for...

Disk drive employing read error tolerant sync mark detection

Disk drive employing vector addition of primary phase write...

Disk drive estimating a sinusoidal error in a wedge time...

Disk drive having a sector clock that is synchronized to the...

Disk drive having adaptively-sized sectors to compensate for...

Disk drive including a recording surface employing servo...

Disk drive including a recording surface employing servo...

Disk drive including perpendicular magnetic recording system...

Disk drive pulse detection method and circuit

Disk drive seeking with a fixed rate clock when crossing...