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:
Apr. 25, 1978
Filed:
Dec. 08, 1976
Applicant:
Inventors:
Jean-Pierre Henri Biet, Caen, FR;
Sio Dhat Laou, Herouville St-Clair, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 54 ; 357 49 ; 357 50 ; 357 55 ; 357 59 ;
Abstract
A semiconductor device in which at least a part of the active surface is covered by a passivating combined layer. According to the invention the passivating combined layer comprises two layers of the same semiconductor material lying one on top of the other, the lowermost layer having a resistivity of at least 10.sup.10 ohm.cm, and the layer present thereon having a resistivity of at most 10.sup.8 ohm.cm.
Biet, Jean-Pierre. (1978). Semiconductor device having a passivated surface and method of (U.S. Patent No. 4086613). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4086613
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile