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. 02, 2021
Filed:
Oct. 23, 2018
Applicant:
Mitsubishi Materials Corporation, Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/32 (2006.01); C25D 7/00 (2006.01); H05K 3/18 (2006.01);
U.S. Cl.
CPC ...
C25D 3/32 (2013.01); C25D 7/00 (2013.01); H05K 3/181 (2013.01); H05K 3/188 (2013.01); H05K 2203/0338 (2013.01);
Abstract
A tin or tin alloy plating solution includes: (A) a soluble salt containing at least a stannous salt; (B) an acid selected from an organic acid and an inorganic acid or a salt thereof; (C) a phenyl-based surfactant formed of polyoxyethylene bisphenol ether represented by the General Formula (1); and (D) a leveling agent, here, in the Formula (1), X is CH(a is 1 or 3) and m is 2 to 12.