Method of manufacturing optical waveguide
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United States of America Patent
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Jan 12, 1999
Grant Date -
N/A
app pub date -
May 8, 1996
filing date -
May 8, 1995
priority date (Note) -
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Abstract
A method of manufacturing an optical waveguide comprises a first step of laminating, on one major surface of a first glass material, a second glass material to a desired thickness, the second glass material having optical characteristics different from those of the first glass material, a second step of forming the second glass material to have a desired circuit pattern, and a third step of laminating a third glass material having optical characteristics similar to those of the first glass material on an entire surface of the first glass material on which the circuit pattern is formed by the second glass material. In at least one of the first and third steps, the glass material to be laminated is laminated by coupling.
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