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:
Feb. 16, 2016
Filed:
Feb. 11, 2014
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Assignee:
UNITED MICROELECTRONICS CORP., Science-Based Industrial Park, Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/62 (2006.01); H01L 29/74 (2006.01); H01L 27/02 (2006.01); H01L 29/08 (2006.01); H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7432 (2013.01); H01L 27/0262 (2013.01); H01L 29/0649 (2013.01); H01L 29/0804 (2013.01); H01L 29/0821 (2013.01);
Abstract
An electrostatic discharge protection structure includes a first well, a second well disposed in the first well, a first and a second doped region disposed in the first well, a third and a fourth doped region disposed in the second well, a first electrode electrically connected to the first doped region and the second doped region, and a second electrode electrically connected to the fourth doped region.