Photosensitive adhesive composition

A photosensitive adhesive composition comprising the following components (A), (B), (C), and (D):

• Component (A):
• a polymer having a structural unit of the following formula (1) and a structure of the following formula (2) at a terminal,
• Component (B):
• a polymer having the structural unit of formula (1), and a carboxy group or hydroxy group at a terminal,
• Component (C):
• a radical photopolymerization initiator, and
• Component (D):
• a solvent,
• wherein the content by mass of the component (B) is larger than that of the component (A),
• wherein
• X is methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, i-butyl group, s-butyl group, t-butyl group, n-pentyl group, 1-methyl-n-butyl group, 2-methyl-n-butyl group, 3-methyl-n-butyl group, 1,1-dimethyl-n-propyl group, 1,2-dimethyl-n-propyl group, 2,2-dimethyl-n-propyl group, 1-ethyl-n-propyl group, n-hexyl group, 1-methyl-n-pentyl group, 2-methyl-n-pentyl group, 3-methyl-n-pentyl group, 4-methyl-n-pentyl group, 1,1-dimethyl-n-butyl group, 1,2-dimethyl-n-butyl group, 1,3-dimethyl-n-butyl group, 2,2-dimethyl-n-butyl group, 2,3-dimethyl-n-butyl group, 3,3-dimethyl-n-butyl group, 1-ethyl-n-butyl group, 2-ethyl-n-butyl group, 1,1,2-trimethyl-n-propyl group, 1,2,2-trimethyl-n-propyl group, 1-ethyl-1-methyl-n-propyl group, 1-ethyl-2-methyl-n-propyl group, —CH═CH2, —CH2—CH═CH2, or
• m and n are each independently 0 or 1,
• Q is a divalent C1-16 hydrocarbon group,
• Z is a divalent C1-4 linking group, the divalent linking group being bonded to an —O— group in formula (1), and
• R1 is a hydrogen atom or a methyl group.