| http://www.w3.org/ns/prov#value | - Other aspect of the present invention may be to provide a manufacturing method of a waveguide type optical device, including the steps of: forming a waveguide in a substrate; forming a concave part in one of a position of the substrate excluding a forming position of the waveguide and a position of a supplemental plate excluding a position facing the waveguide; providing an adhesive in the concave
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