Patent ID: 9244224
Filing Date: 2016-01-26
CPC Classification: G02B

Claim Text:
1. An optical waveguide device, comprising: a wiring substrate including an insulating layer and a wiring layer formed on the insulating layer; an optical waveguide formed on the insulating layer and the wiring layer, the optical waveguide including a first cladding layer, a core layer, and a second cladding layer in this order from below, wherein the first cladding layer contacts an upper face and side faces of the wiring layer, and the wiring layer is buried in the first cladding layer; a groove portion formed on an edge side of the optical waveguide, the groove portion including an inclined face; a light path conversion mirror formed on the inclined face; and an opening portion formed in the wiring layer under the optical waveguide, wherein the wiring layer is not formed under the groove portion.