Method of fabricating orifice plates with reusable mandrel
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United States of America Patent
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-
Nov 20, 1990
Grant Date -
N/A
app pub date -
Dec 18, 1989
filing date -
Dec 18, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of fabricating an orifice plate for ink jet printing includes the steps of: (i) providing a reusable mandrel having an electrically conductive bottom surface of an oxidizable metal such as aluminum and integral raised relief portions comprising an oxide of the metal (e.g. aluminum oxide) and (ii) electroforming metal onto said mandrel conductive surfaces to form an orifice plate.
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