LAMINATE, ITS MANUFACTURING METHOD AND FLEXIBLE PRINTED BOARD USING LAMINATE

PROBLEM TO BE SOLVED: To provide a laminate reduced in water absorption and achieving high-degree flame retardancy, and its manufacturing method. SOLUTION: The laminate is constituted by laminating polyimide resin layers on both sides of a film comprising a cycloolefinic polymer and manufactured by...

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Hauptverfasser:	YAMAGOSHI TSUTOMU, SAWADA KATSUTOSHI, REIBA TSUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PRINTED CIRCUITS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a laminate reduced in water absorption and achieving high-degree flame retardancy, and its manufacturing method. SOLUTION: The laminate is constituted by laminating polyimide resin layers on both sides of a film comprising a cycloolefinic polymer and manufactured by performing operation, which subjects the surface of the film comprising the cycloolefinic polymer to oxidation treatment and applies polyamic acid or soluble polyimide to the treated surface of the film to heat the coated film, with respect to both sides of the film comprising the cycloolefinic polymer. COPYRIGHT: (C)2006,JPO&NCIPI