ADHESIVE SHEET AND METHOD FOR MANUFACTURING ADHESIVE SHEETS

A method for manufacturing an adhesive sheet according to the present invention is a method for manufacturing an adhesive sheet including a long peeling base material 1 and an adhesive layer 2 provided on the peeling base material 1 in the form of an island, the method including a peeling step of, a...

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Bibliographische Detailangaben
Hauptverfasser: FURUTANI RYOJI, TOKUYASU TAKAHIRO, YUASA TOMOHITO, KATOU SHINYA, KOMORIDA KOUJI, KATOU RIE, SAKUTA TATSUYA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for manufacturing an adhesive sheet according to the present invention is a method for manufacturing an adhesive sheet including a long peeling base material 1 and an adhesive layer 2 provided on the peeling base material 1 in the form of an island, the method including a peeling step of, after laminating a long adhesive layer 2 on the peeling base material 1, peeling off an unnecessary portion 6 of the adhesive layer 2 so that a predetermined portion of the adhesive layer is left on the peeling base material 1 in the form of an island, wherein, in the peeling step, the width W of a narrow portion 8, which is the narrowest in width in a short direction of the unnecessary portion 6 of the adhesive layer 2, is adjusted so that the breaking strength in the narrow portion 8 is 200 g or more.