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:
May. 23, 2017
Filed:
Mar. 10, 2015
Applicant:
Excelliance Mos Corporation, Hsinchu County, TW;
Inventors:
Yi-Chi Chang, Hsinchu County, TW;
Ming-Chuan Chen, Hsinchu County, TW;
Assignee:
Excelliance MOS Corporation, Hsinchu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/02 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0251 (2013.01);
Abstract
A power switch device includes a transistor and an ESD protection circuit. The transistor includes a source, a drain, and a gate, wherein a well region is disposed between the source and the drain. One end of the ESD protection circuit is coupled to the gate and another end thereof is coupled to the well region so as to form a protection circuit between the gate and the source and between the gate and the drain simultaneously.