Batch plating of a long lead frame strip

Details Batch plating of a long lead frame strip Batch plating of a long lead frame strip

1975-08-15

1976-10-26

Kendall, Ralph S.

Coating processes

Immersion or partial immersion

Metal base

427438, 427178, 427300, 204 27, 204206, B05D 118

Patent

active

039885186

ABSTRACT:
A long metal lead frame strip is wound onto a reel with a plastic ribbon interleaved therein to separate adjacent turns of the strip on the reel. The reel is subsequently submersed in an immersion plating solution. Metal ions of the plating solution displace metal atoms at the surface of the strip to form a uniformly thick plating thereon, even in areas that are contacted by the spacing ribbon.

REFERENCES:
patent: 1312716 (1919-08-01), Wise
patent: 2873214 (1959-02-01), Schnable
patent: 3072499 (1963-01-01), Cole et al.
patent: 3184824 (1965-05-01), Fairbairn
patent: 3266929 (1966-08-01), Lareau et al.
patent: 3394441 (1968-07-01), Weiss
patent: 3472665 (1969-10-01), Prueter et al.

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