Selective chemical sensitive field effect transistor transducers

Details Selective chemical sensitive field effect transistor transducers Selective chemical sensitive field effect transistor transducers

1978-05-19

1981-06-16

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

128635, 357 25, 435817, G01N 2730, G01N 2740

Patent

active

042736366

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.

REFERENCES:
patent: 3719576 (1973-03-01), Macur
patent: 4020830 (1977-05-01), Johnson et al.
patent: 4053381 (1977-10-01), Hamblen et al.
Jiri Janata et al., Biomedical Engineering, pp. 241-245, Jul. 1976.
Masayoshi Esashi et al., J. Japan Soc. of Applied Physics, vol. 44, pp. 339-343, (1975).
Stanley D. Moss et al., Anal. Chem., vol. 47, No. 2, pp. 2238-2243, Nov. 1975.

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