Deposition of tantalum or niobium on ceramic particles using...

Details Deposition of tantalum or niobium on ceramic particles using... Deposition of tantalum or niobium on ceramic particles using...

B - Operations, Transporting

01

J

31/121, 117/48.3

B01J 13/02 (2006.01) C23C 13/02 (1980.01) H01G 9/05 (1980.01)

Patent

CA 1158932

E.L. Bush - E.J. Workman - 21-1 COATING POWDERED MATERIAL Abstract of the disclosure A process for coating a particulate insulating material, e.g. alumina, with a uniform layer of a valve metal. The particles are exposed to a gaseous nitrogen compound, or to nitrogen gas together with hydrogen and a volatile halide of the valve metal. It is thought that nitrogen provides nucleation of the surface for subsequent metal deposition. The coated powder may be used in the fabrication of electrolytic capacitor anodes.

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