Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2006-12-20
2009-10-13
Chu, John S (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S326000, C430S330000, C430S905000, C430S910000, C430S919000, C562S113000, C564S082000
Reexamination Certificate
active
07601480
ABSTRACT:
The present application relates to a compound of formulawhere X is selected from the group CF3SO3, C4F9SO3, N(SO2C2F5)2, N(SO2CF3SO2C4F9), N(SO2C3F7)2, N(SO2C4F9)2, CF3CHFO(CF2)2SO3, and CH3CH2CH2O(CF2)4SO3. A photoresist composition comprising a polymer containing an acid labile group, the above compounds, and one or more additional photoacid generators is also provided for.
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Kudo Takanori
Rahman M. Dalil
AZ Electronic Materials USA Corp.
Chu John S
Jain Sangya
Kass Alan P.
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