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:
Dec. 02, 2003
Filed:
Dec. 18, 2001
Applicant:
Inventors:
Qing He, Gilbert, AZ (US);
DC Sessions, Phoenix, AZ (US);
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 9/00 ;
U.S. Cl.
CPC ...
H02H 9/00 ;
Abstract
An ESD protection circuit is provided which offers full protection for sub micron CMOS technology integrated circuits that does not have a latchup problem as in silicon controller rectifier circuits. The primary ESD protection transistor within the circuit channeling deleterious ESD currents away from the electrical circuit using snapback conduction while additionally enabling bipolar operation of the electrical circuit.