Title:
PHOTOSENSITIVE RESIN COMPOSITION
Document Type and Number:
Japanese Patent JP3969999
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a photosensitive resin composition excellent in sensitivity in exposure and resolution of a resist pattern after development, less liable to scum in a developing step, having good plating resistance and useful as alkali-developable DFR (dry film resist) for manufacturing substrates for a printed wiring board, for a lead frame and for a semiconductor package.
SOLUTION: The photosensitive resin composition comprises (a) 20-90 mass% binder resin comprising a linear polymer having a carboxyl content of 100-600 (expressed in terms of acid equivalent) and a weight average molecular weight of 20,000-500,000, (b) 3-70 mass% photopolymerizable unsaturated compound and (c) 0.01-30 mass% photopolymerization initiator of formula (V).
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Inventors:
Tsutomu Igarashi
Toru Mori
Toru Mori
Application Number:
JP2001343407A
Publication Date:
September 05, 2007
Filing Date:
November 08, 2001
Export Citation:
Assignee:
Asahi Kasei Electronics Co., Ltd.
International Classes:
G03F7/029; C08F2/44; C08F2/50; C08F290/06; C08F291/00; C08F299/02; G03F7/004; G03F7/027; G03F7/033; H05K3/00; H05K3/06; H05K3/18; (IPC1-7): G03F7/029; C08F2/44; C08F2/50; C08F290/06; C08F291/00; C08F299/02; G03F7/004; G03F7/027; G03F7/033; H05K3/00; H05K3/06; H05K3/18
Domestic Patent References:
JP2000206691A | ||||
JP7319154A | ||||
JP2000321767A | ||||
JP2001175000A |
Attorney, Agent or Firm:
Yoshio Narui
Takeshi Shimizu
Joi Ito
Hideo Takei
Takeshi Shimizu
Joi Ito
Hideo Takei