Process and device for the surface treatment of a substrate by an electrical discharge between two electrodes in a gas mixture
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United States of America Patent
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Nov 6, 2001
Grant Date -
May 31, 2001
app pub date -
Nov 5, 1998
filing date -
Nov 5, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for the surface treatment of a running substrate by an electrical discharge created between two roller electrodes, comprising a first roller electrode and a second roller electrode, in a gas mixture comprising the steps of passing the substrate in between the two roller electrodes by applying it against the first roller electrode; injecting the gas mixture between the rollers to apply a first surface treatment to the substrate; passing the substrate in between the two roller electrodes by applying it against a second roller electrode; and injecting the gas mixture between the rollers to apply a second surface treatment to the substrate.
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