The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 2005
Filed:
Nov. 28, 2001
Yasuyuki Miyama, Tokyo, JP;
Hirotoshi Nagata, Tokyo, JP;
Toshihiro Sakamoto, Tokyo, JP;
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Abstract
A first film () is formed between a substrate () and a signal electrode (); ground electrodes () and () which constitute an optical waveguide device (), and a second film () is formed between the substrate () and a signal electrode (); ground electrodes () and (). An optical phase modulator (A) is composed of the substrate (), an optical waveguide (), the signal electrode (), the ground electrodes () and (), and the first film (). An optical intensity modulator (B) is composed of the substrate (), the optical waveguide (), the signal electrode (), the ground electrodes () and (), and the second film (). The optical waveguide device () is composed of the optical phase modulator (A) and the optical intensity modulator (B), which are integrated monolithically.