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:
Sep. 22, 1987
Filed:
Aug. 26, 1983
Applicant:
Inventors:
Yoshiaki Tsunoda, Yokohama, JP;
Hideo Matsuda, Yokohama, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 74 ;
Abstract
A light-triggered semiconductor device comprising a light-triggered semiconductor chip housed in an airtight package and a light guide connected to a light-sensitive area of the semiconductor chip, wherein that end face of the light guide which faces the semiconductor chip is chosen to have a larger diameter than the light-sensitive area formed on the main surface of the semiconductor chip, and is connected to the light-sensitive area through an elastic transparent material preliminarily fixed to the light-sensitive area.