Polymers, resist compositions and patterning process

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface

Reexamination Certificate

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C430S270100, C430S320000, C430S322000, C430S325000, C430S327000, C430S905000, C430S907000, C430S910000, C430S914000, C526S243000, C526S281000, C526S282000, C526S286000, C526S287000

Reexamination Certificate

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06872514

ABSTRACT:
A resist composition comprising a base polymer having a fluorinated sulfonate or fluorinated sulfone introduced therein is sensitive to high-energy radiation below 300 nm, has excellent transparency, contrast and adherence, and is suited for lithographic microprocessing.

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patent: WO 9733198 (1997-09-01), None

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