Provided are a novel sulfonium salt having high photosensitivity to g-rays or h-rays; a novel photoacid generator containing a sulfonium salt that has high photosensitivity to g-rays or h-rays, has high solubility in solvents and cationically polymerizable compounds such as epoxy compounds, and has an excellent storage stability in compositions containing the cationically polymerizable compounds; and the like. The present invention relates to a sulfonium salt represented by the formula (1), a photoacid generator containing the sulfonium salt, and the like.
本发明提供了一种新型的
硫鎓盐,具有对g射线或h射线具有高光敏度的特点;一种新型的光酸发生剂,包含具有高对g射线或h射线具有高光敏度、在溶剂和阳离子聚合化合物(如环氧化合物)中具有高溶解度和优异的储存稳定性的
硫鎓盐;以及类似物。本发明涉及一种由式(1)表示的
硫鎓盐,包含该
硫鎓盐的光酸发生剂等。