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. 05, 2013
Filed:
Apr. 09, 2010
Applicants:
Liping Ren, Los Angeles, CA (US);
Hsiao-chin Tuan, Judong County, TW;
Dah-chuen Ho, Zhubei, TW;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrostatic discharge (ESD) protection circuit includes at least one bipolar transistor. At least one isolation structure is disposed in a substrate. The at least one isolation structure is configured to electrically isolate two terminals of the at least one bipolar transistor. At least one diode is electrically coupled with the at least one bipolar transistor, wherein a junction interface of the at least one diode is disposed adjacent the at least one isolation structure.