Back to results
US 12,769,205 B2Granted
Negative photosensitive composition and method for producing hollow structure
AssigneeTokyo Ohka Kogyo Co., Ltd.
InventorsKenichi Yamagata, Ryosuke Nakamura, Hirofumi Imai
Life of this patent
Estimating the term…
Abstract
A negative photosensitive composition for forming a top plate portion of a hollow structure which contains an epoxy group-containing compound, a cationic polymerization initiator, a polyfunctional (meth)acrylate compound, and a photoradical polymerization initiator.
Claims4
A negative photosensitive composition for forming a top plate portion of a hollow structure, the negative photosensitive composition comprising:
- an epoxy group-containing compound;
- a cationic polymerization initiator;
- a polyfunctional (meth)acrylate compound;
- and
- a photoradical polymerization initiator,
- wherein the epoxy group-containing compound is selected from the group consisting of an epoxy resin represented by General Formula (anv0), a resin having a constitutional unit represented by General Formula (anv1) and a compound represented by Chemical Formula (A3-1),
- wherein a content of the epoxy group-containing compound is 50 parts by mass or more with respect to 100 parts by mass of a total content of the epoxy group-containing compound and the polyfunctional (meth)acrylate compound,
- wherein Rp1 and Rp2 are each independently a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, a plurality of Rp1's may be the same or different from each other, a plurality of Rp2's may be the same or different from each other, n1 is an integer of 1 to 5, REP is an epoxy group-containing group, and a plurality of REP's may be the same or different from each other
- wherein REP is an epoxy group-containing group, and Ra22 and Ra23 are each independently a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or a halogen atom,
6 more elements
Dependencies are inferred from the claim text.