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:
Jun. 18, 1991
Filed:
Mar. 20, 1989
Applicant:
Inventors:
Tsuyoshi Uematsu, Koganei, JP;
Tadashi Saitoh, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437-2 ; 136255 ; 136256 ; 136259 ; 156647 ; 156662 ;
Abstract
An opto-electric transducing element and a method for producing the same use a corrugated semiconductor substrate to produce an opto-electric transducing element. The element has a reduced effective thickness and an improved opto-electric conversion efficiency, while maintaining the mechanical strength.