Method of flattening surfaces of sheet material, and method of manufacturing sheet material on the basis of same
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United States of America Patent
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-
May 23, 2000
Grant Date -
N/A
app pub date -
Sep 28, 1998
filing date -
Dec 6, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of flattening projections on a sheet material having fine projections on a surface thereof, which protrude from a flat portion of the sheet material, said method comprising partially immersing a rod member, which has a surface having a polishing capability, into a liquid, rotating the rod member so as to form a film of the liquid on the surface of the portion of the rod member, which is exposed above the surface of the liquid, and conveying the sheet material in one direction while contacting a surface of the sheet material with the film, thus polishing the projections.
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