Variable bits per inch recording
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United States of America Patent
Stats
-
Dec 7, 1999
Grant Date -
N/A
app pub date -
May 16, 1997
filing date -
Jan 31, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disc drive and a method of storing data using the disc drive are disclosed. Multiple data heads are each supported adjacent a corresponding one of multiple disc surfaces of a disc stack to form multiple head/media combinations. A separate guardband or recording density capability for each of the multiple head/media combinations is determined. An actual recording density is assigned to each of the multiple head/media combinations based upon the recording density capability for the particular head/media combination. The actual recording density assigned to each of the multiple head/media combinations can be different from the actual recording densities assigned to other head/media combinations. The disc drive is controlled such that data is recorded on each of the surfaces at the actual recording density assigned thereto.
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