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Title:
RESIST COMPOSITION
Document Type and Number:
Japanese Patent JP2011170111
Kind Code:
A
Abstract:

To provide a resist composition which ensures excellent resolution and shape of a pattern obtained therefrom.

The resist composition comprises an aromatic compound and an acid generator, wherein the aromatic compound has an acid-labile group and a molecular weight of 300-2,000, and the acid generator is a resin having a structural unit represented by formula (I), wherein R1 represents a hydrogen atom, a halogen atom or a 1-6C alkyl group which may have a halogen atom; L represents a single bond or a divalent 1-17C saturated hydrocarbon group which may have a substituent; W represents a divalent 3-36C alicyclic hydrocarbon group which may have a substituent or a divalent 6-36C aromatic hydrocarbon group which may have a substituent; X1 represents a divalent 1-17C saturated hydrocarbon group which may have a substituent; Rd represents a hydrogen atom or a 1-6C alkyl group; Qa and Qb each independently represent a fluorine atom or a 1-6C perfluoroalkyl; Za+ represents an organic cation; and * represents a bond.


Inventors:
ICHIKAWA KOJI
ANDO NOBUO
YAMASHITA HIROKO
Application Number:
JP2010034041A
Publication Date:
September 01, 2011
Filing Date:
February 18, 2010
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
G03F7/004; C07D311/96; C08F8/36; C08F12/30; G03F7/039; H01L21/027; C07C69/712
Attorney, Agent or Firm:
Kyuichi Ueki
Tadashi Sugakawa
Hiroaki Ito
Hisahiko Ueki