Patent ID: 7641821
Filing Date: 2010-01-05
Classification: G02B

Abstract:
1. A process of manufacturing an optical waveguide for optically connecting a plurality of optical devices, comprising the steps of: disposing a resin composition between two or more optical devices, the resin composition comprising a resin and a 1,4-dihydropyridine derivative, wherein the resin comprises at least one member selected from the group consisting of a polyamic acid, a polyimide and a polyamide-imide, forming an optical path through the resin composition between the optical devices by allowing light having a wavelength capable of inducing a structural change in the 1,4-dihydropyridine derivative to pass through the composition for optical connection to thereby form, in the composition for optical connection, an irradiated part containing a 1,4-dihydropyridine derivative that has been exposed and undergone structural change and a non-irradiated part containing a 1,4-dihydropyridine derivative that has not exposed and not undergone structural change, wherein the optical path comprises the irradiated part, and after the optical path formation, removing the 1,4-dihydropyridine derivative that has not undergone structural change from the non-irradiated part while retaining the 1,4-dihydropyridine derivative that has undergone structural change in the irradiated part, thereby making higher a refractive index of the optical path than a refractive index of the other part of the composition for optical connection.