Invention Grant
US08729148B2 Photocurable dry film, method for preparing same, patterning method and film for protecting electric and electronic parts 有权
可光固化干膜,其制备方法,图案化方法和保护电气和电子部件的膜

Photocurable dry film, method for preparing same, patterning method and film for protecting electric and electronic parts
Abstract:
Disclosed herein is a photocurable dry film including a structure having a photocurable resin layer sandwiched between a support film and a protective film, the photocurable resin layer being formed of a photocurable resin composition including ingredients (A) to (D):(A) a silicone skeleton-containing polymer compound having the repeating units represented by the following general formula (1) wherein X and Y, respectively, a divalent organic group represented by the following general formula (2) or (3) (B) a crosslinking agent selected from formalin-modified or formalin-alcohol-modified amino condensates and phenolic compound having on average two or more methylol groups or alkoxymethylol groups in one molecule; (C) a photoacid generator capable of generating an acid by decomposition with light having a wavelength of 190 to 500 nm; and (D) a solvent.
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