Process for surface modification of an LCP film
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United States of America Patent
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Mar 23, 1999
Grant Date -
N/A
app pub date -
May 7, 1997
filing date -
May 7, 1997
priority date (Note) -
Expired
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Abstract
The surface of an aromatic liquid crystalline polyester film is modified to have improved adhesion by: (a) applying an adhesion-promoting coating to the film; (b) subsequently heating the film to a temperature above the melting point of the polyester; and, (c) applying pressure to the heated film. Preferably, the film is placed between two portions of a release film (e.g. a polyimide) prior to applying pressure.
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