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:
May. 10, 2011
Filed:
Sep. 03, 2009
Kiyotaka Tsuji, Kobe, JP;
Tetsuji Nishikawa, Kobe, JP;
Takao Takeuchi, Akashi, JP;
Keigo Obata, Akashi, JP;
Hidemi Nawafune, Takatsuki, JP;
Kiyotaka Tsuji, Kobe, JP;
Tetsuji Nishikawa, Kobe, JP;
Takao Takeuchi, Akashi, JP;
Keigo Obata, Akashi, JP;
Hidemi Nawafune, Takatsuki, JP;
Ishihara Chemical Co., Ltd., Kobe, JP;
Daiwa Fine Chemicals Co., Ltd., Akashi, JP;
Abstract
To develop stable, non-cyanide silver and silver alloy plating baths. The present invention is a silver and silver alloy plating bath, comprises: (A) a soluble salt, comprising a silver salt or a mixture of a silver salt and a salt of a metal selected from the group consisting of tin, bismuth, cobalt, antimony, iridium, indium, lead, copper, iron, zinc, nickel, palladium, platinum, and gold; and (B) at least one aliphatic sulfide compound comprising a functionality selected from the group consisting of an ether oxygen atom, a 3-hydroxypropyl group, and a hydroxypropylene group, with the proviso that the aliphatic sulfide compound does not comprise a basic nitrogen atom.