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Patent Searching and Data


Title:
NEGATIVE PHOTOSENSITIVE RESIN COMPOSITION, AND POLYIMIDE AND CURED RELIEF PATTERN PRODUCTION METHOD BASED ON THE SAME
Document Type and Number:
Japanese Patent JP2021120698
Kind Code:
A
Abstract:
To provide a photosensitive resin composition which is excellent in adhesion to an encapsulant such as a mold resin, and can form a multilayer excellent in in-plane homogeneity and crack resistance and superior in elongation after a reliability test.SOLUTION: A negative photosensitive resin composition comprises (A) a polyimide precursor with a structural unit represented by the general formula (1), (B) a compound including at least one selected from a urethane bond and a urea bond, (C) a photoinitiator, and (D) at least one solvent selected from 3-methoxy-N,N-dimethylpropionamide and 3-butoxy-N,N-dimethylpropionamide.SELECTED DRAWING: None

Inventors:
HIRATA TATSUYA
FUJIOKA TAKANOBU
SHIMIZU KENJU
Application Number:
JP2020013784A
Publication Date:
August 19, 2021
Filing Date:
January 30, 2020
Export Citation:
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Assignee:
ASAHI KASEI CORP
International Classes:
G03F7/027; C08F290/14; C08G73/10; G03F7/004; G03F7/075; G03F7/20
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Kazuhiro Nakamura
Toko Saito
Shunsuke Mima