Coating method and apparatus

Details Coating method and apparatus Coating method and apparatus

2005-08-30

2005-08-30

McDonald, Rodney G. (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Vacuum arc discharge coating

C204S192380

Reexamination Certificate

active

06936145

ABSTRACT:
A method and apparatus used for the application of plating/coating in a cathodic arc process to improve coating uniformity, deposition rates, quality, cost, packaging, arc triggering, target wear and other improvements is described in the patent. The process improvements utilize a cathode with external current switching to two or more electrical cathode contacts, employment of magnets on the backside of the cathode, a non-mechanical arc initiation trigger, patterned target surfaces, adjustable cathode insulation, current modulation, and new packaging schemes.

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New International Search Report replacing earlier one.
International Preliminary Examination Report dated Mar. 14, 2005 for International Application No.: PCT/US03/06164.
Written Opinion dated Dec. 27, 2004 for International Application No.: PCT/US03/06164.
Copy of International Search Report.

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