Waterborne photoresists having binders with sulfonic acid functionality
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United States of America Patent
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May 2, 1995
Issued Date -
N/A
app pub date -
May 12, 1994
filing date -
Jan 25, 1994
priority date (Note) -
Expired
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Abstract
A waterborne photoimageable composition or photoresist comprises a latex binder polymer having acid acid functionality to render it developable in alkaline aqueous solution, at least about 50 mole percent of the acid functionality being sulfonic acid moieties, a photopolymerizeable monomer fraction, and a photoinitiator chemical system.
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