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. 04, 1997
Filed:
Mar. 02, 1994
Applicant:
Inventors:
Thomas R DeShazo, Frenchtown, NJ (US);
Raymond L Giordano, Flemington, NJ (US);
Donald R Preslar, Somerville, NJ (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257547 ; 257540 ; 257546 ;
Abstract
An IC is constructed with deep layers preventing current flow due to parasitic transistors formed within the IC. Reverse current in case of voltage source polarity reversal is prevented by means of the reverse bias diodes formed by the addition of a P+ ring, and N+ well, for the embodiment disclosed.
DeShazo, Thomas. (1997). Reverse current flow prevention in a diffused resistor (U.S. Patent No. 5608259). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5608259
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile