Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1995-03-28
1996-05-21
Weisstuch, Aaron
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
20429841, 427580, C23C 1432
Patent
active
055185975
ABSTRACT:
A cathodic arc coating apparatus for applying a coating to an object is provided. The apparatus includes: an enclosure; means for evacuating the enclosure; an anode within the enclosure, wherein the anode comprises an open array of a metal defining a central axis and a deposition space for positioning the object; a cathode assembly positioned within the deposition space, wherein the cathode assembly comprises a first consumable cathode having a central axis and an evaporation surface; means for generating a plasma stream comprising charged particles, wherein the plasma stream is projected from the evaporation surface of the first consumable cathode toward the anode array; and a magnetic system for diverting the charged particles of the plasma stream away from the anode array and toward the object being coated; wherein the diverted charged particles are deposited on the object to form a coating thereon.
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Benson Martin H.
Kieschke Robert R.
Storer Jonathan G.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Schultz Leland D.
Weisstuch Aaron
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