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. 13, 1988
Filed:
Dec. 01, 1981
Applicant:
Inventor:
Kazuhiko Niwayama, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; H01J / ; H01L / ;
U.S. Cl.
CPC ...
350 9620 ; 350 9615 ; 350 9617 ; 250227 ; 357 17 ; 357 19 ;
Abstract
An optical coupling device for coupling an optical fiber to a photo-semiconductor device wherein the light emitting end of the optical fiber is disposed in spaced relation to the light sensitive area of the photo-semiconductor device includes a light transmitting transparent resin completely filling the space between the end of the optical fiber and the light sensitive area of the photo-semiconductor device and a light reflecting resin film completely covering the exposed surface of the transparent resin.