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:
Sep. 25, 2007
Filed:
Jan. 10, 2005
Cornelius Christian Russ, Diedorf, DE;
Markus Paul Josef Mergens, Ravensburg, DE;
John Armer, Middlesex, NJ (US);
Koen Gerard Maria Verhaege, Gistel, BE;
Cornelius Christian Russ, Diedorf, DE;
Markus Paul Josef Mergens, Ravensburg, DE;
John Armer, Middlesex, NJ (US);
Koen Gerard Maria Verhaege, Gistel, BE;
Sarnoff Corporation, Princeton, NJ (US);
Sarnoff Europe BVBA, Gistel, BE;
Abstract
An electrostatic discharge (ESD) protection circuit in a semiconductor integrated circuit (IC) having protected circuitry. The ESD protection circuit includes a silicon controlled rectifier (SCR) having at least one first type high dopant region coupled to a first reference potential of the protected circuitry, and at least one second type high dopant region coupled to a second reference potential of the IC. The SCR is triggered by an external on-chip trigger device, which is adapted for injecting a trigger current into at least one gate of the SCR.