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
2007-08-28
2007-08-28
Gilliam, Barbara L. (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
C430S311000, C430S312000, C430S313000
Reexamination Certificate
active
10079289
ABSTRACT:
Fluorocarbinol- and/or fluoroacid-functionalized silsesquioxane polymers and copolymers are provided. The polymers are substantially transparent to ultraviolet radiation (UV), i.e., radiation of a wavelength less than 365 nm and are also substantially transparent to deep ultraviolet radiation (DUV), i.e., radiation of a wavelength less than 250 nm, including 157 nm, 193 nm and 248 nm radiation, and are thus useful in single and bilayer, positive and negative, lithographic photoresist compositions, providing improved sensitivity and resolution. A process for using the composition to generate resist images on a substrate is also provided, i.e., in the manufacture of integrated circuits or the like.
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Allen Robert David
Fenzel-Alexander Debra
Sooriyakumaran Ratnam
Gilliam Barbara L.
Mintz Levin Cohn Ferris Glovsky and Popeo P.C.
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