| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing an insulating material film useful as a material for electronic equipment, which uniformly thins the thickness of an insulating material layer. SOLUTION: In the method for producing an insulating material film comprising coating a substrate with a varnish by a microgravure method and then drying the varnish to form an insulating material layer, the ratio G/S of the rotational speed G (m/minute) of a gravure roll to the traveling speed S (m/minute) of the substrate is≥0.75. COPYRIGHT: (C)2008,JPO&INPIT
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