Photosensitive resin composition for optical waveguide...

Details Photosensitive resin composition for optical waveguide... Photosensitive resin composition for optical waveguide...

2008-05-20

2008-05-20

Berman, Susan W (Department: 1796)

Optical waveguides

Having particular optical characteristic modifying chemical...

Of waveguide core

C385S145000, C522S103000, C522S167000

Reexamination Certificate

active

07376328

ABSTRACT:
A photosensitive resin composition for optical waveguide formation, comprising:(A) a di(meth)acrylate having the structure represented by the following general formula (1):(wherein R1is —(OCH2CH2)m—, —(OCH(CH3)CH2)m—, or —OCH2CH(OH)CH2—; X is —C(CH3)2—, —CH2—, —O—, or —SO2—; Y is a hydrogen atom or a halogen atom; m is an integer of 0 to 4);(B) a mono(meth)acrylate having the structure represented by the following general formula (2):(wherein R2is —(OCH2CH2)p—, —(OCH(CH3)CH2)p—, or —OCH2CH(OH)CH2—; Y is a hydrogen atom, a halogen atom, Ph-C(CH3)2—, Ph-, or an alkyl group having 1 to 20 carbon atoms; p is an integer of 0 to 4; Ph is a phenyl group); and(C) a photoradical polymerization initiator. The composition has excellent patterning ability, refractive index, heat resistance, and transmission characteristic.

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