PATTERN FORMING MATERIAL AND PATTERN FORMING METHOD USING SAME

PROBLEM TO BE SOLVED: To form a high resolution pattern by incorporating an alkali-soluble polymer, an acid precursor forming halogen acid when irradiated with active chemical rays and a specified onium compd. SOLUTION: This pattern forming material contains an alkali-soluble polymer, an acid precur...

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Hauptverfasser: UTAKA SONOKO, UCHINO MASAICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To form a high resolution pattern by incorporating an alkali-soluble polymer, an acid precursor forming halogen acid when irradiated with active chemical rays and a specified onium compd. SOLUTION: This pattern forming material contains an alkali-soluble polymer, an acid precursor forming halogen acid when irradiated with active chemical rays and one of onium compds. represented by formulae I, II, etc., preferably by 100 pts.wt., 1-30 pts.wt. and 1-30 pts.wt., respectively. In the formulae I, II, each of R1 -R3 is H,