Oxygen sensor device

G - Physics – 01 – N

Patent

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G01N 27/41 (2006.01) G01N 27/406 (2006.01) G01N 27/417 (2006.01)

Patent

CA 1308781

ABSTRACT OF THE DISCLOSURE An oxygen sensor device is disclosed having a glass dome fluid-tightly connected at its circumferential base edge to one surface of an oxygen conductive solid electro- lyte plate to form a diffusion chamber defined by the glass dome and the solid electrolyte plate. The diffusion chamber may be vacant, or may have a porous inorganic material packing layer fixedly disposed in the entire space thereof. Alternatively, the diffusion chamber may have a porous inorganic material semi-packing layer fixedly disposed in an upper portion thereof remote from the elec- trolyte plate, while leaving vacant the remainder of the chamber. The oxygen sensor device is advantageous from the viewpoints of miniaturization, power consumption saving and reliability.

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