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. 14, 2012
Filed:
Dec. 31, 2009
Applicants:
Tien-chang Chang, Hsinchu, TW;
Shi-bai Chen, Hsinchu County, TW;
Tao Cheng, Hsinchu, TW;
Yu-hua Huang, Hsinchu, TW;
Inventors:
Tien-Chang Chang, Hsinchu, TW;
Shi-Bai Chen, Hsinchu County, TW;
Tao Cheng, Hsinchu, TW;
Yu-Hua Huang, Hsinchu, TW;
Assignee:
Mediatek Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/552 (2006.01);
U.S. Cl.
CPC ...
Abstract
An integrated circuit chip includes an analog and/or RF circuit block and a seal ring structure surrounding the analog and/or RF circuit block. The seal ring structure comprises a continuous outer seal ring and an inner seal ring, wherein the inner seal ring comprises a gap that is situated in front of the analog and/or RF circuit block.