Waterborne photoresists made from urethane acrylates
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United States of America Patent
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Mar 27, 2001
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N/A
app pub date -
Apr 8, 1998
filing date -
Apr 9, 1997
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Abstract
A waterborne photoimageable composition or photoresist comprises a latex binder polymer based on a waterborne dispersion of a photopolymerizable urethane acrylate oligomer having sufficient carboxylic acid functionality to render it develop able in alkaline aqueous solution and a photo initiator chemical system and other components to produce an aqueous coatable and alkali develop able photoresist composition.
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