Porous metal films

Details Porous metal films Porous metal films

1980-07-22

1982-01-12

Morgenstern, Norman

Metal working

Method of mechanical manufacture

Assembling or joining

427 80, 427 81, 427124, 427245, 427250, 4272552, 4272553, 204 56R, 204 58, H01G 900, B05D 512, C23C 1100

Patent

active

043098100

ABSTRACT:
A process for preparing porous high surface over metal films for electrolytic capacitor manufacture. An anodizable metal is evaporated in a vacuum chamber to form a metal vapor, the metal vapor being directed towards a foil substrate. The deposition angle is chosen such that the evaporated metal condenses as a porous surface layer.
The coated foil may be used in the manufacture of electrolytic capacitors by anodizing the coating, applying contacts, and winding up the foil.

REFERENCES:
patent: 2914643 (1959-11-01), Fields et al.
patent: 3303550 (1967-02-01), Banzhof
patent: 3326718 (1967-01-01), Dill
patent: 3357867 (1965-05-01), Villani
patent: 3969545 (1976-07-01), Slocum
patent: 4091138 (1978-05-01), Takagi et al.
Powell et al., Vapor Deposition, pp. 194-195, 223, 224, Wiley & Son, Inc. NY 1966.

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