SENSOR ELEMENT AND GAS SENSOR

Abstract: a sensor element configured to detect a concentration of a specific gas in a measurement-object gas, the sensor element includes an element body having a columnar shape elongate in a longitudinal direction, the element body having a front end and a rear end that are opposite ends in the longitudinal direction and further having a peripheral face that is a surface extending in the longitudinal direction, an inner electrode disposed inside the element body; and a conducting section including an inner conducting section and an outer conducting section, the outer conducting section being electrically continuous with the inner conducting section, wherein a part of the outer conducting section that covers the inner conducting section and/or at least a part of the inner conducting section is a dense segment that has a dense composition with precious metal, alumina, and silica.

Inventor(s): Yuki KAJITA, Takamasa MATSUBARA

CPC Classification: G01N27/4071 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms , ))

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