Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
厚膜用ホトレジスト組成物及びレジストパターンの形成方法
Document Type and Number:
Japanese Patent JP4384570
Kind Code:
B2
Abstract:
A negative thick film photoresist composition with improved alkali developability is provided. The composition comprises: (A) a resin component containing (a) from 61 to 90% by weight of a structural unit derived from a cyclic alkyl (meth)acrylate ester, and (b) a structural unit derived from a radical polymerizable compound containing a hydroxyl group, (B) a polymerizable compound containing at least one ethylenic unsaturated double bond, (C) a photopolymerization initiator, and (D) an organic solvent.

Inventors:
Yasushi Washio
Koji Saito
Application Number:
JP2004265693A
Publication Date:
December 16, 2009
Filing Date:
September 13, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Tokyo Ohka Kogyo Co., Ltd.
International Classes:
G03F7/033; G03F7/40
Domestic Patent References:
JP8078318A
JP8029979A
JP2097516A
JP8301911A
JP2000039709A
Attorney, Agent or Firm:
Sumio Tanai
Masatake Shiga
Masakazu Aoyama
Suzuki Mitsuyoshi
Noriko Yanai