Multilayer protective coating for a substrate, process for protecting a substrate by a plasma deposition of such a coating, coatings obtained and applications thereof
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United States of America Patent
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May 26, 1992
Grant Date -
N/A
app pub date -
May 11, 1989
filing date -
May 11, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a multilayer protective coating for a substrate and a process for protecting a substrate by the deposition of a continuous, transparent, amorphous, inorganic coating essentially comprising silicon, carbon, nitrogen, oxygen and hydrogen by means of a plasma. The invention also concerns the application of the coatings according to the invention in the protection of substrates and in particular against electrostatic charges.
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