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:
Dec. 20, 1988
Filed:
Oct. 24, 1986
Applicant:
Inventors:
Masahiro Saito, Osaka, JP;
Hideyuki Takami, Osaka, JP;
Makoto Sato, Hirakata, JP;
Masayuki Kiso, Nagareyama, JP;
Assignee:
C. Uyemura & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B22F / ;
U.S. Cl.
CPC ...
4274431 ; 427437 ; 106-123 ; 106-126 ;
Abstract
An amine, such as a triethanol amine or ethylenediamine is added to an alkaline electroless gold plating solution comprising a gold salt and a boron-based reducing agent to deposit a gold film having good appearance and high throwing power on a workpiece at a high deposition rate.