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. 07, 1978
Filed:
Feb. 23, 1976
Applicant:
Inventor:
Maurice Bonis, Herouville, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 46 ; 357 49 ; 357 48 ; 357 50 ; 357 55 ;
Abstract
A semiconductor device having two transistors which have a common collector. The device is characterized in that the distance between the two base zones is such that during operation of the device the depletion zones of the base-collector junctions merge into each other. Application to the manufacture of photo-Darlington devices.