CORROSION PREVENTION FOR CAC COMPONENT

A component for use in manufacturing articles such as printed circuit boards, the component comprising:a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element;a substrate sheet of aluminum which constitutes a discardable element, anda protective coating la...

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Bibliographische Detailangaben
1. Verfasser:	STEINER, R., RICHARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONDUCTORS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INSULATORS 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 SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TRANSPORTING
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Beschreibung
Zusammenfassung:	A component for use in manufacturing articles such as printed circuit boards, the component comprising:a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element;a substrate sheet of aluminum which constitutes a discardable element, anda protective coating layer on a surface of said substrate, one surface of the copper sheet and the coating layer on said substrate aluminum sheet being essentially uncontaminated and engageable with each other at an interface, and the uncontaminated surfaces of the sheets being manufactured together to define a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.