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
2006-03-07
2006-03-07
Ashton, Rosemary (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
C430S283100, C430S330000, C522S034000, C522S050000
Reexamination Certificate
active
07008752
ABSTRACT:
A photosensitive resin composition which, when exposed to light through a photomask and then developed, can form a pattern comprising a polyimide film having a thickness of 20 μm or larger with high resolution; and a use of the composition, in particular, a method of forming a pattern comprising the polyimide film. The photosensitive resin composition comprises (a) a poly(amic acid), (b) a specific 1,4-dihydropyridine derivative, and (c) a specific imide acrylate compound.
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Fujii Hirofumi
Funada Yasuhito
Tanigawa Satoshi
Ashton Rosemary
Nitto Denko Corporation
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