Method for the manufacture of stampers

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

1981-01-08

1981-12-15

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 5, C25D 110

Patent

active

043057950

ABSTRACT:
It has been found that metal stampers, and more particularly nickel stampers, can be simultaneously hardened and passivated by cathodically treating the stampers in an aqueous bath of a passivation agent.

REFERENCES:
patent: 2530842 (1950-11-01), Ruggieri
patent: 3998601 (1976-12-01), Yates

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