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:
Jan. 27, 2015
Filed:
Jun. 13, 2012
Applicants:
Jun-der Lee, Taichung, TW;
Hsing-hua Tsai, Taichung, TW;
Tung-han Chuang, Taichung, TW;
Inventors:
Assignee:
Wire Technology Co., Ltd., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/02 (2006.01); B32B 15/01 (2006.01); C22F 1/14 (2006.01); C22C 5/06 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
B32B 15/018 (2013.01); H01L 24/45 (2013.01); C22C 5/06 (2013.01); C22F 1/14 (2013.01); H01L 24/43 (2013.01);
Abstract
An alloy wire made of a material selected from one of a group consisting of a silver-gold alloy, a silver-palladium alloy and a silver-gold-palladium alloy is provided. The alloy wire is with a polycrystalline structure of a face-centered cubic lattice and includes a plurality of grains. A central part of the alloy wire includes slender grains or equi-axial grains, and the other parts of the alloy wire consist of equi-axial grains. A quantity of the grains having annealing twins was 20 percent or more of the total quantity of the grains of the alloy wire.