Patent ID: 8318402

Claim:
A photosensitive compound composed of a naphthoquinonediazide sulfonic ester compound having at least one naphthoquinonediazide sulfoxy group, and having either at least one carboxy group with 1 to 8 carbon atoms or at least one alkoxy group with 1 to 8 carbon atoms, in one molecule, wherein the naphthoquinonediazide sulfonic ester compound is represented by where R 1 , R 2 and R 3 separately represent any one of a hydrogen atom, a halogen atom, an alkyl group with 1 to 8 carbon atoms, an ether group with 1 to 8 carbon atoms, an ester group with 1 to 8 carbon atoms, an alkoxy group with 1 to 8 carbon atoms, a carboxy group with 1 to 8 carbon atoms, a thioether group with 1 to 8 carbon atoms, and a naphthoquinonediazide sulfoxy group (-ODNQ), and R comprises