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
2007-09-18
2007-09-18
Chu, John S. (Department: 1752)
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, C430S905000, C430S910000
Reexamination Certificate
active
11075544
ABSTRACT:
Cyanoadamantyl compounds, polymers that comprise polymerized units of such compounds, and photoresist compositions that comprise such polymers are provided. Preferred polymers of the invention are employed in photoresists imaged at wavelengths less than 250 nm such as 248 nm and 193 nm.
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Bae Young C.
Kavanagh Robert J.
Chu John S.
Edwards Angell Palmer & & Dodge LLP
Frickey Darryl P.
Rohm and Haas Electronic Materials LLC
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