Thermosetting adhesive for optical use, optical isolator...

Details Thermosetting adhesive for optical use, optical isolator... Thermosetting adhesive for optical use, optical isolator...

2007-01-09

2007-01-09

Kim, Ellen E. (Department: 2874)

Optical waveguides

Polarization without modulation

C528S034000

Reexamination Certificate

active

10519831

ABSTRACT:
The thermoset optical-purpose adhesive according to the present invention, having a superior resistance to heat and moisture and a high transparency is a mixed adhesive which is mainly composed of a primary agent and a curing agent, and is characterized by having a visible-ray transmittance of 90% or more after heat curing under conditions of a layer thickness that is enough for the adhesive to function as an adhesive. It is also characterized in that the primary agent is constituted of a silane modified epoxy resin whose active-radical moieties other than epoxy radicals have been inactivated in part or in entirety by the aid of a metallic soap and to at least one epoxy radical of which a silane coupling agent has been attached, and the curing agent is constituted of an amine type compound or an amide type compound.

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