MANUFACTURE OF LAMINATED SHEET

PURPOSE:To facilitate the suction of extraneous matter by putting sheets of cut coated cloth into a container and taking out said sheets one by one therefrom with sucking and exhausting the air from said container to stack said sheets. CONSTITUTION:In manufacturing copper-clad epoxy resin laminated...

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Bibliographische Detailangaben
Hauptverfasser:	NOMURA TATSUJI, YAMAKAWA MASAE, SUNAMI SHOJIRO, SUZUKI HIROSHI
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 SUBCLASS B29C, RELATING TO PARTICULARARTICLES 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 MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PRINTED CIRCUITS 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 facilitate the suction of extraneous matter by putting sheets of cut coated cloth into a container and taking out said sheets one by one therefrom with sucking and exhausting the air from said container to stack said sheets. CONSTITUTION:In manufacturing copper-clad epoxy resin laminated sheets, sheets of coated cloth 1 are put into a container 2, said sheets 1 are taken out in the state of sucking the air from said container 2, eight sheets are laid one on top of another, further copper foils are laid on both surface thereof, and it is heated, pressed and molded to manufacture 240 sheets of copper-clad epoxy resin laminate of one meter square. In this case, the ratio of rugged flaw occurrence is 1.25%. Otherwise, said sheets of coated cloth 1 are put into said container 2, said sheets 1 are taken out without sucking the air from said container 2, and it is heated, pressed and molded to manufacture 240 sheets of copper-clad epoxy resin laminate. In this case, the ratio of rugged flaw occurrence is 3.33%. Therefore, it is possible to decrease the ratio of rugged flaw occurrence and perform the suction of extraneous matters only by a simple modification of equipment.