Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1995-10-31
1998-04-14
Padgett, Marianne
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
2042984, 427530, 427528, 427566, 427580, 118723VE, 2191372, 21913743, C23C 1400, B23K 928
Patent
active
057387680
ABSTRACT:
A process for reducing particle defects in an arc vapor deposition coating on a substrate comprises the steps of providing a metallic wire mesh, providing an arc source adapted to impart a positive charge on coating macroparticles produced during arc vapor deposition, positioning the wire mesh in between the arc source and the substrate, applying a negative bias voltage to the wire mesh and entrapping positively charged macroparticles on the negatively charged wire mesh during coating deposition.
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Dam Chuong Q.
VanLanen Laura M.
Caterpillar Inc.
Khosla Pankaj M.
Padgett Marianne
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