MANUFACTURE OF METAL FOIL CLAD LAMINATED SHEET

PURPOSE:To certainly reduce a dent by a method wherein a release film to which a metal foil is preliminarily bonded in a separate place is superposed on a prepreg so that the metal foil comes into contact with the prepreg to form a laminated material which is, in turn, held between mirror plates to...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAKAWA MASAE, WATANABE SUNAO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING GRANULES OR PREFORMS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED PRINTED CIRCUITS RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To certainly reduce a dent by a method wherein a release film to which a metal foil is preliminarily bonded in a separate place is superposed on a prepreg so that the metal foil comes into contact with the prepreg to form a laminated material which is, in turn, held between mirror plates to be molded under heating and pressure by a press. CONSTITUTION:A metal foil 2 is superposed on a set composed of superposed prepregs 1 and a release film to which other metal foil 2 is preliminarily bonded by an adhesive tape 5 is superposed on the set 1 of the prepregs so that the metal foil 2 comes into contact with the prepregs 1 to constitute a laminated material which is, in turn, held between mirror plates 4 and molded under heating and pressure by a press to obtain a metal foil clad laminated sheet. Since the release film and the metal foil are preliminarily bonded in other place, it is prevented that a resin powder and waste yarn penetrate in the gap between both of them. The dent based on the resin powder penetrating in the gap between the release film and the metal foil is not generated.