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. 19, 2013
Filed:
Oct. 30, 2009
Electrostatic discharge protection device comprising a plurality of highly doped areas within a well
Applicants:
Ming-song Sheu, Hsin-Chu, TW;
Jian-hsing Lee, Hsin-Chu, TW;
Yao-wu Feng, Miao-Li Hsien, TW;
Inventors:
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/62 (2006.01); H01L 29/72 (2006.01); H01L 29/74 (2006.01); H01L 31/111 (2006.01);
U.S. Cl.
CPC ...
Abstract
Embodiments of the invention relate to an electrostatic discharge (ESD) device and method for forming an ESD device. An embodiment is an ESD protection device comprising a p well disposed in a substrate, an n well disposed in the substrate, a high voltage n well (HVNW) disposed between the p well and the n well in the substrate, a source n+ region disposed in the p well, and a plurality of drain n+ regions disposed in the n well.