Magnetic disk write precompensation

Details Magnetic disk write precompensation Magnetic disk write precompensation

G - Physics

11

B

352/19.2

G11B 20/10 (2006.01) G11B 5/09 (2006.01)

Patent

CA 1322404

- 17 - ABSTRACT OF DISCLOSURE Write precompensation data is recorded on a disk of a magnetic disk drive indicating the write compensation to be provided for each of a plurality of head/media combinations which may have relatively wide variations in performance characteristics. Apparatus is provided for transferring and storing this write precompensation data in the disk controller at start-up and for accessing this stored data during each write operation to provide a "tailored" write precompensation for the particular head/media combination to be employed for the writing operation.

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