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:
Sep. 07, 2010
Filed:
Nov. 02, 2005
Tai-chun Huang, Hsin-Chu, TW;
Chih-hsiang Yao, Taipei, TW;
Kuan-shou Chi, Hsin-Chu, TW;
Wen-kai Wan, Hsin-Chu, TW;
Tai-Chun Huang, Hsin-Chu, TW;
Chih-Hsiang Yao, Taipei, TW;
Kuan-Shou Chi, Hsin-Chu, TW;
Wen-Kai Wan, Hsin-Chu, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Abstract
An outer border, and a seal ring substantially co-extensive with and spaced from the outer border is disclosed. A plurality of fault detection chains extend from adjacent the outer border to within the seal ring. At least a first one of the plurality of fault detection chains includes a contact pad, a first metal feature coupled to the contact pad by a first via in a passivation layer, a second metal feature coupled to the first metal feature by a second via, and a substrate contact coupled to the second metal feature by a third via.