Method of controlling excessive electroforming portion of an oscillating plate
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United States of America Patent
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Aug 8, 2000
Grant Date -
N/A
app pub date -
Nov 2, 1998
filing date -
Nov 2, 1998
priority date (Note) -
Expired
status (Latency Note)
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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.
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