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:
Oct. 07, 1997
Filed:
Jan. 19, 1996
Applicant:
Inventors:
Toshinori Hirataka, Ome, JP;
Satoru Kikuchi, Kokubunji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 88 ; 385 91 ; 385 92 ;
Abstract
In order to position an optical semiconductor chip with high accuracy and without adjustment, a recess for controlling the displacement of the optical semiconductor chip is formed in a position in which the optical semiconductor chip on an optical element mounting substrate having an optical waveguide formed in the surface thereof is fixed.