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1. (WO2018142827) DRY FILM, CURED PRODUCT, PRINTED WIRING BOARD, AND METHOD FOR MANUFACTURING CURED PRODUCT

Pub. No.:    WO/2018/142827    International Application No.:    PCT/JP2017/047140
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Thu Dec 28 00:59:59 CET 2017
IPC: H05K 3/28
B32B 27/36
B32B 27/42
C08G 59/40
Applicants: TAIYO INK MFG. CO., LTD.
太陽インキ製造株式会社
Inventors: CHUJO Takayuki
中条 貴幸
OKITSU Satoshi
興津 諭
AOYAMA Yoshitomo
青山 良朋
ENDO Arata
遠藤 新
HAN Wootack
韓 友澤
Title: DRY FILM, CURED PRODUCT, PRINTED WIRING BOARD, AND METHOD FOR MANUFACTURING CURED PRODUCT
Abstract:
The purpose of the present invention is to provide a dry film with which it is possible to form a cured product in which there is less unevenness on the surface even when heat curing is performed without peeling the film, a cured product of a resin layer of the dry film, a printed wiring board provided with the cured product, and a method for manufacturing a cured product. A dry film in which a resin layer is laminated on a film, wherein the dry film is characterized in that: the resin layer is a heat-curable resin layer containing a heat-curable resin and a curing agent; the difference in the thermal change rate (%) between the longitudinal direction and the lateral direction of the film is 2.7% or less; and the curing agent includes two or more resins selected from phenol resins, cyanate ester resins, and active ester resins.