Device for low-temperature plasma surface treatment of a plate o

Details Device for low-temperature plasma surface treatment of a plate o Device for low-temperature plasma surface treatment of a plate o

1991-09-19

1993-07-06

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912142, 156345, 156646, B23K 900

Patent

active

052256510

ABSTRACT:
A device for low-temperature plasma surface treatment of a stationary metallic material (8) in plate or sheet form, comprising a sealed enclosure (1) into which a plasma-forming gas is introduced, and a suction device (6) for adjusting the pressure of the gas. The enclosure (1) incorporates a support (7) in contact with the material (8) and at least one fixed or movable electrode (10) having an "active" surface (13) facing the material (8) and defining a space (12) between itself and the surface (9) of the material. The electrode (10) is held at an adjustable distance between its active surface and the surface of the material. A potential difference of given sign and given absolute value is created between the material (8) and the electrode (10), and a low-temperature plasma is generated in the space (12).

REFERENCES:
patent: 4094722 (1978-06-01), Yamamoto et al.
patent: 4153527 (1979-05-01), Greenwald, Jr.
patent: 4318767 (1982-03-01), Hijikata et al.
patent: 4336438 (1982-06-01), Uehara et al.
patent: 4430547 (1984-02-01), Yoneda et al.
patent: 4963713 (1990-10-01), Horiuchi et al.

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