Production of perforated metal foil

Details Production of perforated metal foil Production of perforated metal foil

1977-04-21

1978-04-04

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204206, C25F 314, C25F 302

Patent

active

040826325

ABSTRACT:
Continuous lengths of metal foil, such as 4 micron thick nickel foil stored in coils, are perforated by anodic etching through a perforated titanium mask while foil and mask are simultaneously moving together through electrolytic etching bath.

REFERENCES:
patent: 2620296 (1952-12-01), Wilsdon
patent: 2968555 (1961-01-01), Bendler et al.
patent: 3429751 (1969-02-01), Heuse
patent: 3471385 (1969-10-01), Farrell
patent: 3541083 (1970-11-01), Beemer et al.
patent: 3723269 (1973-03-01), Hofling
Development of Large-Internal-Surface-Area Nickel-Metal Plaques by J. Mc Callum, et al, NASA, Battelle Memorial Institute, Sept. 30, 1965, 120 pages.

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