Cover layer for optical ion sensors
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United States of America Patent
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-
Feb 25, 1992
Grant Date -
N/A
app pub date -
Jul 8, 1988
filing date -
Jul 20, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In order to eliminate interferences of an optical or chemical nature, preferably in optical sensors, a cover layer is provided which comprises a hydrophilic, ion-permeable polymer membrane containing precious metal pigments deposited by a reduction or reduction/cementation technique for the purpose of suppressing straylight.
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