Chemistry: electrical and wave energy – Processes and products
Patent
1987-12-16
1989-05-23
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
204 29, 204 371, 21912166, 427 531, C25D 502
Patent
active
048327980
ABSTRACT:
A method and apparatus for improving the integrity of metal plated composites is disclosed. Plating improvements are achieved by first irradiating a nickel plated substrate, prior to application of a noble metal plating layer, to smooth any surface discontinuities or irregularities. Excimer laser pulses, having a duration of less than 100 nanoseconds, are employed to partially liquefy the upper surface of the nickel plating on the substrate. This invention is compatible with conventional plating processes, such as electroplating.
REFERENCES:
patent: 4348263 (1982-09-01), Draper et al.
patent: 4432855 (1984-02-01), Romankiw et al.
patent: 4674176 (1987-06-01), Tuckerman
AMP Engineering Note--AMP-Duragold Plating, pp. 1-7.
Cvijanovich George B.
Williams Richard T.
Wu Jeff C.
AMP Incorporated
Leader William T.
Niebling John F.
Noll William B.
Pitts Robert W.
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