Title:
感光性樹脂組成物
Document Type and Number:
Japanese Patent JP7118124
Kind Code:
B2
Abstract:
The present invention provides a photosensitive resin composition which has excellent dispersibility during storage and preservation, is capable of reducing the water absorption coefficient, and is capable of forming a cured film having excellent bendability and insulation reliability. The photosensitive resin composition comprises (A) a photosensitive resin containing carboxyl groups, (B) an epoxy compound, (C) urethane beads, (D) a photopolymerization initiator, and (E) a reactive diluent,. The urethane beads (C) are coated by silica, and at least 20 mass% of 100 mass% of the silica is hydrophobic silica.
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Inventors:
Masanobu Ishizaka
Application Number:
JP2020198850A
Publication Date:
August 15, 2022
Filing Date:
November 30, 2020
Export Citation:
Assignee:
TAMURA CORPORATION OF CHINA LIMITED
International Classes:
G03F7/004; H05K3/28
Domestic Patent References:
| JP2002293882A | ||||
| JP2020148971A | ||||
| JP2019056824A |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima class
Shuichi Sumiyoshi
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima class
Shuichi Sumiyoshi