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:
Oct. 22, 2013
Filed:
Apr. 02, 2010
Applicants:
Bor-wen Chan, Hsinchu, TW;
Hsueh Wen Tsau, Zhunan Township, TW;
Inventors:
Bor-Wen Chan, Hsinchu, TW;
Hsueh Wen Tsau, Zhunan Township, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a blocking structure between a metal layer and at least one underlying layer. The blocking structure has a first layer configured for preventing diffusion of metal from the metal layer into the at least one underlying layer, and a second layer configured for enhancing electrical performance of the semiconductor device.