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    • 10. 发明专利
    • Radiation-sensitive resin composition
    • JP5365452B2
    • 2013-12-11
    • JP2009225185
    • 2009-09-29
    • Jsr株式会社
    • 研 丸山誠 志水
    • G03F7/039C08F12/04C08F20/10C08F20/56G03F7/004H01L21/027
    • PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition for forming a resist coating film which has excellent nano edge roughness, sensitivity and resolution. SOLUTION: The radiation sensitive resin composition contains (A) a resin containing at least one kind selected from a group comprising repeating units represented by general formulae (a-1) to (a-4), and (B) an acid generator represented by a general formula (b). In the formulae (a-1) to (a-4), R 1 is a hydrogen atom or a methyl group, R 2 is a 1-12C straight-chain or branched alkyl group or a 1-12C straight-chain or branched alkoxyl group, k is an integer of 0 to 3, and l is an integer of 0 to 3 (0≤k+l≤5). R 3 is a hydrogen atom or a methyl group, and R 4 is a 1-12C straight-chain or branched alkyl group or a 1-12C straight-chain or branched alkoxyl group; n is an integer of 0 to 3; and m is an integer of 0 to 3 (0≤n+m≤5). R 5 is a hydrogen atom or a methyl group, and R 6 is a 1-12C straight-chain or branched alkyl group or a 1-12C straight-chain or branched alkoxyl group; p is an integer of 0 to 3; and q is an integer of 0 to 3 (0≤p+q≤5). COPYRIGHT: (C)2011,JPO&INPIT