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:
Jun. 10, 2014
Filed:
Jul. 20, 2012
Shih-yu Wang, Taipei, TW;
Chia-ling LU, Luzhou, TW;
Yan-yu Chen, Taipei, TW;
Yu-lien Liu, Hsinchu, TW;
Tao-cheng LU, Hsinchu, TW;
Shih-Yu Wang, Taipei, TW;
Chia-Ling Lu, Luzhou, TW;
Yan-Yu Chen, Taipei, TW;
Yu-Lien Liu, Hsinchu, TW;
Tao-Cheng Lu, Hsinchu, TW;
Macronix International Co., Ltd., Hsinchu, TW;
Abstract
A semiconductor device includes a first well region of a first conductivity type, a second well region of a second conductive type within the first well region. A first region of the first conductivity type and a second region of the second conductivity type are disposed within the second well region. A third region of the first conductivity type and a fourth region of the second conductivity type are disposed within the first well region, wherein the third region and the fourth region are separated by the second well region. The semiconductor device also includes a switch device coupled to the third region.