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|1. (WO2018142827) DRY FILM, CURED PRODUCT, PRINTED WIRING BOARD, AND METHOD FOR MANUFACTURING CURED PRODUCT|
|Applicants:||TAIYO INK MFG. CO., LTD.
|Title:||DRY FILM, CURED PRODUCT, PRINTED WIRING BOARD, AND METHOD FOR MANUFACTURING CURED PRODUCT|
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.