Disc device, disk formatting method, and disk formatting apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 8, 2008
Grant Date -
Aug 9, 2007
app pub date -
May 25, 2006
filing date -
Feb 8, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disk device includes a plurality of recording surfaces each of which having a recording area for recording data. An area or a width in a radial direction of an effective area set to be capable of recording the data in the recording area on at least one of the recording surfaces is different from that in the recording area on other of the recording surfaces.
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