Selective chemical sensitive field effect transistor transducers
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United States of America Patent
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-
Jun 16, 1981
Grant Date -
N/A
app pub date -
May 19, 1978
filing date -
May 26, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chemical sensitive field effect transistor transducer is provided having a semipermeable membrane on the surface of a chemical selective system overlying an insulated gate field effect transistor. Such a field effect transistor transducer is effective for the measurement of chemical constituents of factory waste water containing micro-particles, saliva or blood containing proteins, etc., where conventional devices give unreliable results.
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