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:
Aug. 05, 2014
Filed:
Aug. 26, 2011
Applicants:
Chung-ying Yang, Taoyuan, TW;
Hsien-wei Chen, Sinying, TW;
Inventors:
Chung-Ying Yang, Taoyuan, TW;
Hsien-Wei Chen, Sinying, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
An integrated circuit includes a seal ring structure disposed around a circuit that is disposed over a substrate. A first pad is electrically coupled with the seal ring structure. A leakage current test structure is disposed adjacent to the seal ring structure. A second pad electrically coupled with the leakage current test structure, wherein the leakage current test structure is configured to provide a leakage current test between the seal ring structure and the leakage current test structure.