A METHOD OF PROTECTING METAL FOIL SUBTRATES

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EDWARD, J. ALOIS, MARTIN, J. WILHEIM
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 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:	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.