Composition sensitive to visible light
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United States of America Patent
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Nov 13, 2007
Grant Date -
Jan 5, 2006
app pub date -
Aug 20, 2003
filing date -
Aug 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a visible light-sensitive composition which is highly sensitive to a visible light and is useful as an electronic circuit forming material, a lithographic printing material, etc., said visible light-sensitive composition comprising (a) a polymer comprising a repeating unit represented by general formula (I): ##STR00001## wherein R.sup.1, R.sup.2, and R.sup.3 are the same or different and each represents substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, or alternatively R.sup.1 and R.sup.2 form cycloalkyl together with the adjacent carbon atom, and R.sup.4 represents lower alkyl, (b) a compound that generates an acid by visible light irradiation and (c) a sensitizing dye.
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