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US 4,067,695 AGranted
Gas sensing element
AssigneeNittan Company, Limited
InventorYoichiro Miyaguchi
Life of this patent
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Abstract
A gas sensing element which varies its resistivity upon the adsorption of gas and which has a sintered body including an oxyacid salt semiconductor and which may also contain carbon.
Claims7
A gas sensing element comprising a semiconductor body having a pair of electrodes and changing its electric resistivity with ambient gas concentration, wherein said semiconductor body consists of a sintered body of a composition containing an oxyacid salt compound semiconductor material.
Dependencies are inferred from the claim text.