Laminate and process for its production
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United States of America Patent
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Feb 16, 1999
Grant Date -
N/A
app pub date -
Mar 26, 1997
filing date -
Mar 27, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A laminate comprising a substrate and at least one layer formed on the substrate, in which the outermost layer as a surface layer has a plurality of micropores therein and, at its surface, a flat portion and fine craters, said flat portion having a surface roughness R.sub.a of at most 3 nm and an area ratio of at least 20%.
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