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. 19, 1980
Filed:
Jun. 22, 1977
Applicant:
Inventor:
Hendrikus G Kock, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
156656 ; 29578 ; 29580 ; 156649 ; 156657 ; 156662 ;
Abstract
A microwave semiconductor device, for example, Gunn effect devices, avalanche diodes and varactors, having a mesa-like semiconductor body which is provided on both sides with respective grown metal contact layers. The upper side of the semiconductor body is provided with a beam lead which projects from the upper side. The metal contact layer of lower side of the semiconductor body is a grown heat sink or, as in the varactors, a beam lead.
Quick Actions:
Kock, Hendrikus. (1980). Semiconductor device comprising projecting contact layers (U.S. Patent No. 4189342). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4189342
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile