Electrostatic printing plate possessing a tiered surface
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United States of America Patent
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Nov 9, 2004
Grant Date -
Sep 11, 2003
app pub date -
Sep 27, 2002
filing date -
Feb 8, 2001
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Abstract
A method and apparatus for the electrostatic printing of dry or wet toners using a novel tiered printing plate allows for superior and efficient transfer of toner from the plate to the printed item. The process for producing the printing plate uses photo polymer film resist with a positive photo tool which after developing yields trenches between ridges of hardened photo polymer which hold the toner in desired pattern.
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