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Patent Searching and Data


Title:
MALEIMIDE COPOLYMER AND COMPOSITION FOR REGIST
Document Type and Number:
Japanese Patent JP2002220424
Kind Code:
A
Abstract:

To provide a useful maleimide copolymer as a resist resin excellent in the drying etching resistance.

The copolymer contains the units represented by the formulas (1) and (2) [R is an alkyl group which may have a substituted group; Z ring is a lactone ring; x is an integer of 0-3]. Further, it may contain at least one unit selected from (meth)acrylic acid or its ester and, maleic anhydride or its ester. The copolymer is useful as a resist composition combined with an optical acid generating agent.


Inventors:
HORAI AKIRA
FUNAKI KATSUNORI
Application Number:
JP2001015891A
Publication Date:
August 09, 2002
Filing Date:
January 24, 2001
Export Citation:
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Assignee:
DAICEL CHEM
International Classes:
G03F7/039; C08F220/06; C08F220/18; C08F220/28; C08F222/06; C08F222/10; C08F222/40; C08F232/08; C08K5/00; C08L33/02; C08L33/04; C08L35/00; C08L45/00; (IPC1-7): C08F222/40; C08F220/06; C08F220/18; C08F220/28; C08F222/06; C08F222/10; C08F232/08; C08K5/00; C08L33/02; C08L33/04; C08L35/00; C08L45/00; G03F7/039
Attorney, Agent or Firm:
Mitsuo Hokita