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:
Jun. 25, 2019

Filed:

Oct. 04, 2017
Applicant:

Indium Corporation, Utica, NY (US);

Inventors:

Hongwen Zhang, New Hartford, NY (US);

Ning-Cheng Lee, New Hartford, NY (US);

Assignee:

INDIUM CORPORATION, Utica, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/00 (2006.01); B23K 35/26 (2006.01); B23K 35/02 (2006.01); C22C 12/00 (2006.01);
U.S. Cl.
CPC ...
B23K 35/264 (2013.01); B23K 35/0227 (2013.01); C22C 12/00 (2013.01);
Abstract

A braided solder wire rope includes a first alloy including Bi—Ag, Bi—Cu, Bi—Ag—Cu, or Bi—Sb; and the second alloy including Sn, In Sn—Ag, Sn—Cu, Sn—Ag—Cu, Sn—Zn, Bi—Sn, Sn—In, Sn—Sb or Bi—In, such that the second alloy controls an interface reaction chemistry with various metallization surface finish materials without interfering with a high temperature performance of the first alloy. The first alloy may have a solidus temperature around 258° C. and at least the first alloy of the first wire and the second alloy of the second wire may be braided together.


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