Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Reexamination Certificate
2006-11-07
2006-11-07
Chu, John S. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
C430S191000, C430S192000, C430S193000, C430S326000
Reexamination Certificate
active
07132213
ABSTRACT:
A positive photoresist composition comprising an alkali-soluble novolak resin (A) containing a structural unit (a1) represented by a general formula (I) shown below, and a structural unit (a2) represented by a general formula (II) shown below, and a photosensitizer (B)
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Organic Compounds Structural Index, pp. 362-401, Dec. 20, 1977; Maruzen (Ltd.).
Masuda Yasuo
Okui Toshiki
Chu John S.
Knobbe Martens Olson & Bear LLP
Tokyo Ohka Kogyo Co. Ltd.
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