Method of controlling excessive electroforming portion of an osc

Details Method of controlling excessive electroforming portion of an osc Method of controlling excessive electroforming portion of an osc

1998-11-02

2000-08-08

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electroforming or composition therefor

205170, C25D 100

Patent

active

060997109

ABSTRACT:
A method of controlling excessive electroforming portion of an oscillating plate for an ink-jet printer includes steps of supplying a direct current power to electroform a first layer for a first time period, supplying an alternating current power to electroform a second layer on the first layer for a second time period to form an oscillating layer, coating the second layer with a photoresistive agent at positions where no projection is to be formed and supplying the alternating current power to electroform for a third time period so as to form desired projections on the second layer, whereby no excessive electroforming portion will be formed on the projections.

REFERENCES:
patent: 5326454 (1994-07-01), Engelhaupt
patent: 5622611 (1997-04-01), Marks et al.

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