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. 19, 2013
Filed:
Jul. 31, 2006
Mou-shiung Lin, Hsin-Chu, TW;
Hsin-jung Lo, Yonghe, TW;
Chiu-ming Chou, Kaohsiung, TW;
Chien-kang Chou, Tainan Hsien, TW;
Ke-hung Chen, Kao-Hsiung, TW;
Mou-Shiung Lin, Hsin-Chu, TW;
Hsin-Jung Lo, Yonghe, TW;
Chiu-Ming Chou, Kaohsiung, TW;
Chien-Kang Chou, Tainan Hsien, TW;
Ke-Hung Chen, Kao-Hsiung, TW;
Megica Corporation, Hsinchu, TW;
Abstract
A circuitry component comprising a semiconductor substrate, a pad over said semiconductor substrate, a tantalum-containing layer on a side wall and a bottom surface of said pad, a passivation layer over said semiconductor substrate, an opening in said passivation layer exposing said pad, a titanium-containing layer over said pad exposed by said opening, and a gold layer over said titanium-containing layer.