Oxygen sensor and method of making such sensor

Details Oxygen sensor and method of making such sensor Oxygen sensor and method of making such sensor

1987-12-18

1989-02-28

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

4271265, G01N 2758

Patent

active

048082937

ABSTRACT:
An oxygen conductive solid electrolyte plate has first and second opposite surfaces, First and second electrodes fixedly extend on the first and second surfaces of the electrolyte plate respectively. A spacing frame hermetically secured to the first surface of the electrolyte plate surrounds the first electrode. The spacing frame has an opening. A sealing plate hermetically secured to the spacing frame defines a chamber in conjunction with the electrolyte plate and the spacing frame. The chamber accommodates the first electrode and opens into an environment only via a window defined by the opening in the spacing frame. The window allows oxygen molecules to flow from the environment into the chamber by diffusion.

REFERENCES:
patent: 3411073 (1968-11-01), Marr
patent: 3691023 (1972-09-01), Ruka et al.
patent: 3787308 (1974-01-01), Malaspina et al.
patent: 3820015 (1974-06-01), Jeunehomme
patent: 4158166 (1979-06-01), Isenberg
patent: 4272331 (1981-06-01), Hetrick
patent: 4505806 (1985-03-01), Yamada
patent: 4728411 (1988-03-01), Mase et al.
Nippon Electrical Glass, Ref. No. 8509-02, Oct., 1985.
Iwaki Glass, Nov. 1984.

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