Patent ID: 8737794
Filing Date: 2014-05-27
Classification: B29D,G02B

Abstract:
1. A two-layer optical waveguide, comprising: a core layer having a first surface and a second surface opposite to the first surface; a cladding layer laminated on the first surface of the core layer; and a mirror structure provided at a plurality of positions at the first surface of the core layer, each mirror structure directing a light signal which travels in the core layer, toward the second surface of the core layer, the mirror structure including an inclined plane of a concave part formed at the first surface of the core layer, and a metal film formed on the inclined plane, wherein the concave part of the mirror structure having the inclined plane is filled with the cladding layer, and wherein the cladding layer is formed to surround the first surface and a side surface of the core layer, and the second surface of the core layer is exposed and is on a level with a face of the cladding layer located to the second surface side of the core layer.