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:
Oct. 01, 1996
Filed:
Aug. 14, 1995
Applicant:
Inventors:
Hiroshi Wachi, Koza-gun, JP;
Yutaka Otani, Hiratsuka, JP;
Assignee:
Electroplating Engineers of Japan, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
106123 ; 106-126 ;
Abstract
The present invention provides an electroless gold plating solution which offers deposition layers exactly onto predetermined areas on the surface of the workpiece, without undesirable spread of prated areas. The electroless gold plating solution according to the invention contains 2-20 g/l of dimethylamine as amine group.