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. 02, 1984
Filed:
Dec. 01, 1982
Applicant:
Inventors:
Alan A Halecky, Bayonne, NJ (US);
Mohamed F El-Shazly, Bloomfield, NJ (US);
Assignee:
OMI International Corporation, Warren, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427436 ; 106-123 ; 427 98 ; 427437 ; 4274431 ;
Abstract
Electroless gold plating baths for plating metallized ceramics wherein the bath comprises (a) alkali metal gold cyanide, (b) alkali metal fluoride, and (c) alkali metal hydroxide. The baths may optionally contain a buffering agent and/or ammonium hydroxide and/or an organic chelating agent. The metallized ceramics contain tungsten, molybdenum, electroless nickel, copper and the like. The gold constituent in the alkali metal gold cyanide may be monovalent, trivalent or mixtures thereof. The method of utilizing such electroless or autocatalytic plating baths is also described and claimed.