Patent Number: 7,133,592

Title: Polymer optical waveguide and method of making the same

Abstract: A polymer optical waveguide has a substrate, a buffer layer formed on the substrate, and a polymer waveguide main body formed on the buffer layer. The buffer layer is made of a polymer material that can absorb a difference in thermal expansion coefficient between the substrate and the polymer optical waveguide.

Inventors: Yasuda; Hiroki (Tokyo, JP), Hirano; Kouki (Tokyo, JP), Abe; Tomiya (Tokyo, JP), Ito; Yuzo (Tokyo, JP)

Assignee: Hitachi Cable, Ltd.

International Classification: G02B 6/10 (20060101)

Expiration Date: 2019-11-07 0:00:00