Coating processes – Direct application of electrical – magnetic – wave – or... – Electrical discharge
Patent
1993-11-09
1995-03-28
King, Roy V.
Coating processes
Direct application of electrical, magnetic, wave, or...
Electrical discharge
427122, 20429841, 20419238, B05D 306
Patent
active
054015430
ABSTRACT:
The present invention provides a method for producing a diamond-like carbon coating. The method comprises the steps of providing a substrate to be coated, providing a cathode of vitreous carbon or a pyrolytic graphite cathode and initiating a cathodic arc discharge with the arc spot on the cathode surface and directing the resulting carbon plasma toward the substrate to form a coating on said substrate, said coating being substantially macroparticle free.
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O'Neill David G.
Storer Jonathan G.
Griswold Gary L.
King Roy V.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Truesdale Carole
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