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:
Mar. 07, 2000
Filed:
Feb. 10, 1998
Applicant:
Inventors:
Yasuhiro Omori, Kawasaki, JP;
Yoshinobu Kubota, Kawasaki, JP;
Toshihiro Ohtani, Sapporo, JP;
Tomoyuki Itoh, Sapporo, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 88 ; 385 94 ; 385-9 ; 385-3 ;
Abstract
An optical waveguide module including a metal package having a bottom surface formed with a chip insertion groove, and a waveguide chip inserted and fixed in the chip insertion groove. The waveguide chip has an optical waveguide formed on a substrate having an electro-optic effect. A signal electrode is formed on the optical waveguide, and a ground electrode is formed on the substrate. The ground electrode is connected to the metal package through first and second ribbons respectively located in the vicinity of first and second bent portions of the signal electrode.