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. 21, 1978
Filed:
Apr. 27, 1977
Applicant:
Inventors:
Shigeru Funakawa, Itami, JA;
Masahiro Yamane, Itami, JA;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 54 ; 357 56 ; 357 59 ; 357 73 ; 428331 ; 428428 ;
Abstract
This invention is directed to a semiconductor device comprised of a body of semiconductor material having at least one p-n junction terminating at an exposed surface of the body. The p-n junction is passivated at its termination point by a first, thin glass layer and a second glass layer disposed over the first thin glass layer. The second glass layer is thicker than the first glass layer and includes a predetermined amount of a suitable filler material.