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:
Nov. 24, 2020
Filed:
Aug. 24, 2018
Applicant:
Senju Metal Industry Co., Ltd., Tokyo, JP;
Inventors:
Hiroyoshi Kawasaki, Tokyo, JP;
Masato Shiratori, Tokyo, JP;
Takahiro Nishizaki, Tokyo, JP;
Tomohisa Kawanago, Tokyo, JP;
Assignee:
SENJU METAL INDUSTRY CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/362 (2006.01); B23K 35/36 (2006.01); B23K 35/02 (2006.01);
U.S. Cl.
CPC ...
B23K 35/362 (2013.01); B23K 35/025 (2013.01); B23K 35/3613 (2013.01); B23K 35/3615 (2013.01); B23K 35/3616 (2013.01);
Abstract
An object of the present invention is to provide a flux which does not precipitate a crystal and can improve solder wettability. A flux comprising 0.4 to 10.0 mass % of ditolylguanidine and 1.0 to 10.0 mass % of an organic acid, and not comprising diphenylguanidine as an amine compound.