Method for the manufacture of record stampers

Details Method for the manufacture of record stampers Method for the manufacture of record stampers

1984-03-29

1984-10-30

Tufariello, Thomas

Chemistry: electrical and wave energy

Processes and products

204281, C25D 120

Patent

active

044798539

ABSTRACT:
An improved method for the manufacture of stampers having formed inner and outer edges is provided in which the inner and outer edges are electroformed in the required configuration by using electroforming guides at the inner edge, the outer edge and preferably both edges.

REFERENCES:
patent: 2905614 (1959-09-01), Porrata et al.
patent: 3801476 (1974-04-01), Roschmann et al.
patent: 3956075 (1976-05-01), Rohwer et al.
patent: 4394341 (1983-07-01), Wierschke

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