Electrolysis: processes – compositions used therein – and methods – Electroforming or composition therefor – Sheet – web – wire – or filament
Patent
1989-02-03
1992-10-20
Niebling, John F.
Electrolysis: processes, compositions used therein, and methods
Electroforming or composition therefor
Sheet, web, wire, or filament
156233, 156234, 156235, 156237, 156238, 428469, 4284721, 205 77, 205118, 205138, 205175, 205200, C25D 1126
Patent
active
051567202
ABSTRACT:
A process for producing a released film made of at least two layers, one or more of which has been formed by a vapor deposition technique. The process involves anodizing a metal substrate comprising a valve metal or valve metal alloy to form an anodic oxide layer on the substrate, the anodization being carried out in the presence of an adhesion-reducing agent (e.g. fluoride) which makes the anodic layer detachable from the valve metal, coating the anodic layer with one or more layers of desired materials by a vapor deposition technique (e.g. sputtering or vacuum evaporation, etc.) to form a film of desired structure which is releasable from the metal substrate, and then detaching the releasable film from the metal substrate. The film can, if desired, be transferred to another substrate by attaching the other substrate to the releasable film before the releasable film is detached from the metal substrate. The process makes it possible to provide free-standing vapor deposited films or heat-sensitive (or other) substrates coated with such films.
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Rosenfeld Aron M.
Smits Paul
Alcan International Limited
Leader William T.
Niebling John F.
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