RELEASE FILM
PROBLEM TO BE SOLVED: To provide a release film satisfactory in dimensional stability. SOLUTION: The release film includes a belt-shaped base material film, a first resin layer which is formed on one surface side of the base material film and composed mainly of a resin material, and a second resin l...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a release film satisfactory in dimensional stability. SOLUTION: The release film includes a belt-shaped base material film, a first resin layer which is formed on one surface side of the base material film and composed mainly of a resin material, and a second resin layer which is formed on the other surface side of the base material film and composed mainly of a resin material. The dimensional change ratio of the release film measured before and after the film is heat-treated at 130°C for 10 min. is below 1.0% in the length direction and below 1.0% in the width direction. COPYRIGHT: (C)2011,JPO&INPIT |
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