Chemical sensor device with field effect transistor

Details Chemical sensor device with field effect transistor Chemical sensor device with field effect transistor

1987-08-20

1989-10-31

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

435291, 436806, G01N 2700

Patent

active

048775827

ABSTRACT:
A chemical sensor having a field-effect transistor as an electronic transducer and used for the analysis of specific constituents in a liquid, the chemical sensor comprising means which permits an externally supplied sample solution to reach a chemical receptor of said chemical sensor but substantially prevents external light from reaching said field effect transistor.

REFERENCES:
patent: 1806232 (1931-05-01), Abe
patent: 2577440 (1951-12-01), Wolff
patent: 3595158 (1971-07-01), Long
patent: 3831432 (1974-08-01), Cox
patent: 4005463 (1977-01-01), Kowalski
patent: 4020830 (1977-05-01), Johnson et al.
patent: 4062750 (1977-12-01), Butler
patent: 4144306 (1979-03-01), Figueras
patent: 4323536 (1982-04-01), Columbus
patent: 4390343 (1983-06-01), Walter
patent: 4512870 (1985-04-01), Kohara et al.
patent: 4582684 (1986-04-01), Vogel et al.

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