Apparatus for continuous masking for selective electroplating an

Details Apparatus for continuous masking for selective electroplating an Apparatus for continuous masking for selective electroplating an

1998-10-01

2000-11-07

Gorgos, Kathryn

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C25D 1702

Patent

active

061431451

ABSTRACT:
An apparatus for continuously electroplating metal webs by coating a masking ink thereto in a fashion resembling flexographic printing, then electroplating the uncoated areas of the web and finally removing the ink, is described. The masking ink is applied continuously from a reservoir to an "anilox" roller which synchronously and rotatingly contacts either a plate roller or an intermediate roller. Contact between the rollers transfers the masking ink from one roller to the other. The plate roller has "proud" or raised areas in which the ink is drawn and contacts a guided metal web that is coated with the ink in a pattern matching that of the plate roller. Electroplating is effected after cleaning the inked web in an aqueous acid media. Finally, the masking ink is removed in an alkali medium.

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