Polishing tape used in production of magnetic recording medium
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United States of America Patent
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Jun 14, 2005
Grant Date -
N/A
app pub date -
Sep 30, 1999
filing date -
Sep 30, 1998
priority date (Note) -
Expired
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Abstract
Disclosed is a tape for polishing the surface of a substrate of a magnetic recording medium, and a thin-fineness filament obtained by dissolving a dissolving component of a dissolution-decomposition type composite yarn consisting of a nylon component and the dissolving component is used as piles of a flocked cloth, warps of a fabric, and webs of a nonwoven fabric. The polishing tape of the present invention can noticeably improve the surface roughness of the polished substrate.
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