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    • 7. 发明授权
    • Acetal protected polymers and photoresists compositions thereof
    • 乙缩醛保护的聚合物及其光致抗蚀剂组合物
    • US06830870B2
    • 2004-12-14
    • US10446540
    • 2003-05-28
    • Sanjay MalikStephanie J. DilockerBinod B. De
    • Sanjay MalikStephanie J. DilockerBinod B. De
    • G03F7004
    • G03F7/0046C08F8/00C08F8/12C08F8/18C08F8/42C08F2800/20G03F7/0392G03F7/0395G03F7/0758Y10S430/106Y10S430/111C08F212/14
    • A polymer comprises an acetal-containing monomer unit having the general structure I and at least one of the fluorine-containing monomer units having the general structures II and III: wherein R1, R4, R5 and R6 are each independently H, lower alkyl, CH2CO2R10, cyano, CH2CN, or halogen, wherein R10 is any alkyl, cycloalkyl, aryl, arylalkyl, alkylenecycloalkyl, silyl or siloxy or linear or cyclic polysiloxane group; R2 is CHR11R12 where R11 and R12 are each independently H, lower alkyl, cycloalkyl or aryl; A is a substituted or unsubstituted alkylene, cycloalkylene, alkylenecycloalkylene, or alkylenearylene; and R3 is linear, branched or cyclic fluoroalkyl group or SiR13R14R15 where R13, R14, and R15 are each independently alkyl, cycloalkyl, aryl, arylalkyl, alkylenecycloalkyl, silyl, siloxy, linear or cyclic polysiloxane or silsesquioxane alkyl group; B is an aryl, C(═O)—O—(CH2)x where x=0-4, lower alkyl, cycloalkyl, alkene cycloalkyl, silyl, siloxyl, or linear or cyclic polysiloxane group. R7 is H or an acid sensitive group; R8 and R9 are each independently H or —CN group; and y=0-4 and the use of these polymers in radiation sensitive compositions for exposure to actinic radiation, especially radiation of 157 nm.
    • 聚合物包括具有通式结构I的含缩醛单体单元和至少一种具有通式结构II和III的含氟单体单元:其中R 1,R 4,R 5和R 5 其中R 10是任何烷基,环烷基,芳基,芳烷基,亚烷基环烷基,甲硅烷基或甲硅烷氧基或直链或环状的聚硅氧烷基团;其中R 10独立地为H,低级烷基,CH 2 CO 2 R 10,氰基,CH 2 CN或卤素。 R 2是CHR 11 R 12,其中R 11和R 12各自独立地为H,低级烷基,环烷基或芳基; A是取代或未取代的亚烷基,亚环烷基,亚烷基亚环烷基或亚烷基亚芳基; 并且R 3是直链,支链或环状氟代烷基或SiR 13 R 14 R 15,其中R 13,R 14和R 15各自独立地为烷基,环烷基,芳基 芳基烷基,亚烷基环烷基,甲硅烷基,甲硅烷氧基,直链或环状聚硅氧烷或倍半硅氧烷烷基; B是芳基,C(= O)-O-(CH 2)x,其中x = 0-4,低级烷基,环烷基,烯烃环烷基,甲硅烷基,硅氧烷基或直链或环状聚硅氧烷基团。 R 7是H或酸敏感基团; R 8和R 9各自独立地为H或-CN基; 和y = 0-4,以及这些聚合物在辐射敏感组合物中用于暴露于光化辐射,特别是157nm辐射的用途。