FILM TYPE OPTICAL WAVEGUIDE

FILM TYPE OPTICAL WAVEGUIDE

PROBLEM TO BE SOLVED: To provide a film type optical waveguide in which the distortion under a high temperature is suppressed. SOLUTION: The film type optical waveguide 1 includes a lower clad layer 2, a core part 3 and an upper clad layer 4. The outer face of at least one of the lower clad layer 2...

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Hauptverfasser: ERIYAMA YUUICHI, KOUHO TAKASHI, TATARA AKITSUGU
Format: Patent
Sprache:eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator ERIYAMA YUUICHI
KOUHO TAKASHI
TATARA AKITSUGU
description PROBLEM TO BE SOLVED: To provide a film type optical waveguide in which the distortion under a high temperature is suppressed. SOLUTION: The film type optical waveguide 1 includes a lower clad layer 2, a core part 3 and an upper clad layer 4. The outer face of at least one of the lower clad layer 2 and the upper clad layer 4 has polyimide film layers 7 and 8 via hardened films 5 and 6 of a radiation curing adhesive composition composed of (A) polyfunctional epoxy monomer having 2 or more functions (except one containing (meth)acryloyl group), (B) polyfunctional oxetane monomer having two or more functions, (C) compound having at least one or more (meth)acryloyl group and at least one or more epoxy group in one molecule, and (D) a cationic photopolymerization initiator. COPYRIGHT: (C)2009,JPO&INPIT
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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title FILM TYPE OPTICAL WAVEGUIDE
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