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:
Mar. 18, 2014
Filed:
Jan. 17, 2011
Applicants:
Chien-jung Wang, Hsin-Chu, TW;
Jian-hong Lin, Yunlin, TW;
Inventors:
Chien-Jung Wang, Hsin-Chu, TW;
Jian-Hong Lin, Yunlin, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01); H01L 23/52 (2006.01); H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor chip includes a seal ring adjacent to edges of the semiconductor chip; an opening extending from a top surface to a bottom surface of the seal ring, wherein the opening has a first end on an outer side of the seal ring and a second end on an inner side of the seal ring; and a moisture barrier having a sidewall parallel to a nearest side of the seal ring, wherein the moisture barrier is adjacent the seal ring and has a portion facing the opening.