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. 06, 2008
Filed:
Mar. 08, 2007
Applicants:
Tai-hsiang Lai, Miaoli County, TW;
Wei-jen Chang, Miaoli County, TW;
Ming-dou Ker, Hsinchu, TW;
Tien-hao Tang, Taipei Hsien, TW;
Inventors:
Tai-Hsiang Lai, Miaoli County, TW;
Wei-Jen Chang, Miaoli County, TW;
Ming-Dou Ker, Hsinchu, TW;
Tien-Hao Tang, Taipei Hsien, TW;
Assignee:
United Microelectronics Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/111 (2006.01); H01L 21/328 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrostatic discharge (ESD) protection device and a fabrication method thereof are provided. The ESD protection device with an embedded high-voltage P type SCR (EHVPSCR) structure of the present invention is employed to guide the ESD current/voltage to a system voltage trace VDD via a pad.