Photosensitive resin composition and the adhesive sheet

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PROBLEM TO BE SOLVED : To provide a photosensitive resin composition having a sufficient storage stability and capable of enabling hardening in a short time even with a low heating temperature, and a tacky adhesive sheet.SOLUTION : The photosensitive resin composition includes a base generator for generating a base by electromagnetic wave irradiation or by heating after electromagnetic wave irradiation, a curable compound having at least two or more epoxy groups in a molecule, and a compound having a mercapto group in the molecule. The base generator is represented by formula (I) (wherein Rand Rare each independently a hydrocarbon group, which may include a hydrogen or a substituent, or an unsaturated bond, and they may be the same or different).