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:
Jan. 07, 2003
Filed:
Jul. 24, 2000
Tien-Hao Tang, Taipei Hsien, TW;
Chen-Chung Hsu, Hsinchu Hsien, TW;
United Microelectronics Corp., Hsinchu, TW;
Abstract
An electrostatic discharge protective circuit. The electrostatic discharge protective circuit includes a gate electrode. A drain is formed at one side of the gate electrode. A source is formed at another side of the gate electrode, wherein the gate electrode, the drain and the source together form a transistor. A plurality of isolation structures penetrates through the gate electrode and respectively isolates the drain and the source into a plurality of drain regions and source regions. A plurality of contacts is respectively formed on the gate electrode, the drain regions and the source regions, wherein each drain region and each source region respectively have at least one contact.