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:
May. 20, 2025

Filed:

Dec. 01, 2022
Applicant:

Senju Metal Industry Co., Ltd., Tokyo, JP;

Inventors:

Yasuhisa Sukawa, Tokyo, JP;

Hiroyuki Yamasaki, Tokyo, JP;

Haruya Sakuma, Tokyo, JP;

Masato Shiratori, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/36 (2006.01); H05K 3/34 (2006.01);
U.S. Cl.
CPC ...
B23K 35/3612 (2013.01); H05K 3/3489 (2013.01);
Abstract

A flux containing a rosin (P), a compound (SA), an activator (provided that a compound corresponding to the compound (SA) is excluded), and a solvent (provided that a compound corresponding to the compound (SA) is excluded) is adopted. The compound (SA) is a compound represented by General Formula (sa). In Formula (sa), R11 represents a hydrocarbon group which may have a hydroxy group; R12 and R13 each independently represent a hydrocarbon group having 5 or less carbon atoms, which may have a substituent, a hydroxy group, or a hydrogen atom; and m represents a positive integer.


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