Method and apparatus for treating surfaces with a plasma generated by electron cyclotron resonance
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United States of America Patent
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Issued Date -
Nov 21, 2002
app pub date -
May 4, 2001
filing date -
May 4, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides methods and apparatus for plasma treatment of tubing surfaces. In one aspect, the invention provides a method for treating a tubing surface which calls for generating a gaseous plasma within a spatially localized region of space by electron cyclotron resonance (ECR), and exposing the surface to this plasma for a selected time period to treat the surface. Subsequent to the plasma treatment, the treated surface can be optionally coated with a selected compound, such as a bioactive material, e.g., anti-biotic or anti-coagulants.
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