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:
Feb. 24, 1987
Filed:
Jul. 27, 1983
Applicant:
Inventor:
Yoshio Takagi, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 46 ; 357 86 ; 357 71 ; 357 65 ; 357 68 ;
Abstract
A semiconductor device includes a plurality of transistors formed on a common substrate and connected in a Darlington configuration. A conductor is connected between a metallization layer on the base region of a transistor of the last stage in the Darlington connections and a metallization layer on the emitter region on a transistor of the stage preceding the last stage in the Darlington connections.