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:
Aug. 28, 2007
Filed:
Sep. 15, 2003
Applicants:
Miwa Abe, Nagano, JP;
Kei Imafuji, Nagano, JP;
Inventors:
Miwa Abe, Nagano, JP;
Kei Imafuji, Nagano, JP;
Assignee:
Shinko Electric Industries Co., Ltd., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-cyanogen type electrolytic solution, for plating gold, contains a gold salt as a supply source of gold and is added with a non-cyanogen type compound wherein the electrolytic plating solution is added with one selected from a group of thiouracil; 2-aminoethanethiol; N-methylthiourea, 3-amino-5-mercapto-1,2,4-triazole; 4,6-dihydroxy-2-mercaptopyrimidine; and mercapto-nicotinate; as a compound forming a complexing compound with gold. Chloroaurate or gold sulfite is preferably used as a gold salt.