| abstract |
An object of the present invention is to provide a nonionic photoacid generator having high sensitivity to i-rays, excellent heat resistance stability, excellent solubility in a hydrophobic material, and excellent alkali developability. The present invention is a non-ionic photoacid generator (A), which is characterized by the following general formula (1). [Chemical 1] [In the formula (1), X is a divalent organic group, Y is a functional group having active hydrogen, and R is a hydrocarbon group having 1 to 18 carbons (a part or all of hydrogen may be substituted with fluorine)] |