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:
Aug. 15, 2023

Filed:

Sep. 16, 2020
Applicant:

Tamura Corporation, Tokyo, JP;

Inventors:

Yurika Munekawa, Iruma, JP;

Takeshi Nakano, Iruma, JP;

Masaya Arai, Iruma, JP;

Takanori Shimazaki, Iruma, JP;

Tsukasa Katsuyama, Iruma, JP;

Assignee:

TAMURA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/26 (2006.01); H05K 3/34 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
B23K 35/262 (2013.01); H01L 24/13 (2013.01); H05K 3/3485 (2020.08); H01L 2924/014 (2013.01);
Abstract

A lead-free solder alloy includes 2.0% by mass or more and 4.0% by mass or less of Ag, 0.3% by mass or more and 0.7% by mass or less of Cu, 1.2% by mass or more and 2.0% by mass or less of Bi, 0.5% by mass or more and 2.1% by mass or less of In, 3.0% by mass or more and 4.0% by mass or less of Sb, 0.001% by mass or more and 0.05% by mass or less of Ni, 0.001% by mass or more and 0.01% by mass or less of Co, and the balance being Sn.


Find Patent Forward Citations

Munekawa, Yurika. (2023). Lead-free solder alloy, solder joining material, electronic circuit mounting substrate, and electronic control device (U.S. Patent No. 11724341). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11724341

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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