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. 04, 2003
Filed:
Jun. 22, 2000
Applicant:
Inventor:
Yoshiyuki Tsuru, Shimodate, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 ;
U.S. Cl.
CPC ...
G02B 6/12 ;
Abstract
An optical circuit substrate having optical fiber placed and fixed in the form of a circuit on one side or on both sides of a substrate can be prepared with good efficiency by providing thereto an optical interconnection portion which makes an area for optical connection smaller and registration between an optical element and optical fiber easy.