Medium substrate, production method thereof and magnetic disk device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 6, 2004
Grant Date -
Mar 28, 2002
app pub date -
Mar 27, 2001
filing date -
Aug 9, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medium substrate comprising a borosilicate glass containing silica as a main component and having on the surface thereof a continuous texture derived from the porous structure, the medium substrate being used as a substrate in the production of a magnetic recording medium and other. The method for the production of the textured medium substrate is also disclosed, along with a magnetic recording medium using the medium substrate and a magnetic disk device.
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