Ambient sensing devices

Details Ambient sensing devices Ambient sensing devices

1984-01-19

1986-09-23

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204416, 204418, G01N 2730

Patent

active

046134220

ABSTRACT:
A device for the measurement of ionic and gas species at high temperatures. Platinum metal oxides are used for the electrical signal paths between electrical elements on the device to make the device particularly adaptable to high temperature measurement applications. Chemically sensitive composite structures may be hardened for high temperature applications by mixing polyimide with the materials normally used in the outer layer of such structure.

REFERENCES:
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patent: 3926766 (1975-12-01), Niedrack et al.
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patent: 4133735 (1979-01-01), Afromowitz et al.
patent: 4273636 (1981-06-01), Shimada et al.
patent: 4456522 (1984-06-01), Blackburn
G. Rechnitz, C & EN, pp. 29-35, Jan. 27, 1975.
Schiavone et al., "Improved Electrochromic Behavior of Reactively Sputtered Iridium Oxide Films", Journal of Elect. Soc., vol. 128, p. 1339 (1981).
Katsuke et al., "PH-Sensitive Sputtered Iridium Oxide Film", Sensors and Actuators, vol. 2, No. 4, p. 399 (1982).
Danielson et al., "Development of Electrical and Electrochem Probes for Down Hole and In-Line Chemical Analysis of High Pressure, High Temperature Geothermal Fluids", Nov. 1977.

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