Method and a device for detecting changes in a surface state and for monitoring the surface state
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United States of America Patent
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Apr 10, 1990
Grant Date -
N/A
app pub date -
Oct 6, 1988
filing date -
Oct 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of detecting changes in a surface state and of monitoring said surface state, in particular for a body whose surface is at a given temperature and is in contact with a flowing liquid at a given temperature which may optionally be different from the temperature of said surface, wherein a reference metal body is placed in said liquid, said body having a surface at a temperature which is adjustable independently of the temperature of said liquid, and said body acting as an electrode which is optionally raised to an adjustable potential, and the surface state of said body is detected by measuring the intensity of light radiation reflected from at least one mirror-forming portion of the surface of the reference body.
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