Perpendicular magnetic discrete track recording disk
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United States of America Patent
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Oct 27, 2009
Grant Date -
Feb 22, 2007
app pub date -
Oct 27, 2006
filing date -
Nov 27, 2002
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Abstract
A method of forming a discrete track recording pattern on a soft magnetic underlayer of a perpendicular magnetic recording disk. In one embodiment, the soft magnetic underlayer is continuous throughout the discrete track recording pattern.
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