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:
Dec. 23, 2008
Filed:
Aug. 25, 2005
Applicants:
Sheng-yow Chen, Taichung, TW;
Dichi Tsai, Cingshuei Township, Taichung County, TW;
Inventors:
Sheng-Yow Chen, Taichung, TW;
Dichi Tsai, Cingshuei Township, Taichung County, TW;
Assignee:
Airoha Technology Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01); H01L 23/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device. The device includes a substrate of the first semiconductor type comprising a pad region and a noise prevention structure in the substrate, on least one side of the pad region. The device further includes the substrate structure, a pad, and a dielectric layer therebetween.