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:
Feb. 15, 2005
Filed:
Jan. 29, 2003
Applicants:
Masaru Kato, Saitama, JP;
Ryota Iwai, Saitama, JP;
Inventors:
Masaru Kato, Saitama, JP;
Ryota Iwai, Saitama, JP;
Assignee:
Kanto Kagaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C018/52 ; B22F007/00 ;
U.S. Cl.
CPC ...
Abstract
An electroless gold plating solution is provided in which an amount of gold deposited by a displacement reaction is at least 15 μg/cm, and the electroless gold plating solution includes a reducing agent that is oxidized by gold, and a reducing agent that is of the same type as or is a different type from the above reducing agent and is oxidized by a substrate metal. The solution can form a uniform gold coating having good adhesion and low porosity in one step.