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.

Date of Patent:
Mar. 07, 2017

Filed:

Nov. 30, 2012
Applicant:

Heraeus Materials Technology Gmbh & Co. KG, Hanau, DE;

Inventors:

Murali Sarangapani, Singapore, SG;

Ping Ha Yeung, Singapore, SG;

Eugen Milke, Frankfurt, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 9/00 (2006.01); H01B 1/02 (2006.01); C22C 9/06 (2006.01); H01R 4/02 (2006.01); B23K 35/30 (2006.01); C22C 1/02 (2006.01); C22F 1/08 (2006.01); H01L 23/00 (2006.01); C22F 1/00 (2006.01); B23K 20/10 (2006.01);
U.S. Cl.
CPC ...
H01B 1/026 (2013.01); B23K 20/10 (2013.01); B23K 35/302 (2013.01); C22C 1/02 (2013.01); C22C 9/00 (2013.01); C22C 9/06 (2013.01); C22F 1/00 (2013.01); C22F 1/08 (2013.01); H01L 24/43 (2013.01); H01L 24/45 (2013.01); H01R 4/029 (2013.01); B23K 2201/42 (2013.01); H01L 24/48 (2013.01); H01L 24/49 (2013.01); H01L 2224/43 (2013.01); H01L 2224/43848 (2013.01); H01L 2224/45015 (2013.01); H01L 2224/45124 (2013.01); H01L 2224/45139 (2013.01); H01L 2224/45144 (2013.01); H01L 2224/45147 (2013.01); H01L 2224/4847 (2013.01); H01L 2224/48465 (2013.01); H01L 2224/48511 (2013.01); H01L 2224/49171 (2013.01); H01L 2224/73265 (2013.01); H01L 2924/01006 (2013.01); H01L 2924/01015 (2013.01); H01L 2924/01047 (2013.01);
Abstract

An alloyed 2N copper wire for bonding in microelectronics contains 2N copper and one or more corrosion resistance alloying materials selected from Ag, Ni, Pd, Au, Pt, and Cr. A total concentration of the corrosion resistance alloying materials is between about 0.009 wt % and about 0.99 wt %.


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