| 摘要 |
A method of manufacturing an optical device involves forming patterns on a dielectric substrate. The patterns include a waveguide pattern having a folded part, a conductor pattern positioned on an outer peripheral side of the folded part, and a dummy pattern that connects the folded part and the conductor pattern. The method further involves performing heat diffusion processing on the dielectric substrate on which the patterns have been formed at the forming, to make the waveguide pattern into an optical waveguide.
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