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Patent Searching and Data


Title:
RESIST COMPOSITION FOR IMMERSION EXPOSURE, AND METHOD FOR FORMATION OF RESIST PATTERN
Document Type and Number:
WIPO Patent Application WO/2007/138873
Kind Code:
A1
Abstract:
Disclosed is a resist composition for immersion exposure, comprising: a resin component (A) whose alkali solubility can be changed by the action of an acid; and an acid-generator component (B) which can generate an acid upon being exposed to light, wherein the acid-generator component (B) comprises an acid-generator (B1) having a cationic moiety represented by the general formula (b1-1). (b1-1) wherein R42 and R43 independently represent an alkyl group, an alkoxy group or a hydroxyl group; and n2 and n3 independently represent an integer ranging from 0 to 2.

Inventors:
UTSUMI YOSHIYUKI (JP)
Application Number:
PCT/JP2007/060134
Publication Date:
December 06, 2007
Filing Date:
May 17, 2007
Export Citation:
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Assignee:
TOKYO OHKA KOGYO CO LTD (JP)
UTSUMI YOSHIYUKI (JP)
International Classes:
G03F7/004; C07C381/12; C08F220/28; G03F7/039; H01L21/027
Domestic Patent References:
WO2005003858A22005-01-13
WO2006008914A12006-01-26
Attorney, Agent or Firm:
TANAI, Sumio et al. (YaesuChuo-ku, Tokyo 53, JP)
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