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. 10, 2009
Filed:
Jul. 19, 2005
Applicant:
Chi-long Tsai, Kaohsiung, TW;
Inventor:
Chi-Long Tsai, Kaohsiung, TW;
Assignee:
Advanced Semiconductor Engineering, Inc., Kaohsiung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wafer fabricating method at least includes the steps of providing a wafer having an active surface with a plurality of pads, forming a plurality of bumps on the pad, and forming an organic protective layer on the bump and the active surface. Besides improving the quality of the wafer, the wafer structure according to the invention is oxidation-resistant, thus avoiding the cold-joint problem when soldered to the substrate.