Method and apparatus for electric-charge adhering of thin release-layered plastic firlms to thin copper foil substrates and the like and improved products thereby produced

An improved method of and apparatus for producing novel preferably thin plastic protective or masking film layer products for thin shiny copper foils and the like, as for PCB applications and the like, with an inner releasable film surface coating carrying a permanent electric-charge for adhering to...

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Bibliographische Detailangaben
Hauptverfasser:	WILHEIM MARTIN J, ALOIS EDWARD J
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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An improved method of and apparatus for producing novel preferably thin plastic protective or masking film layer products for thin shiny copper foils and the like, as for PCB applications and the like, with an inner releasable film surface coating carrying a permanent electric-charge for adhering to the shiny foil surface, but with the opposite outer surface of the film being maintained uncharged and electrically neutral.