Nitrogen oxide sensor and method of manufacturing the sensor

Details Nitrogen oxide sensor and method of manufacturing the sensor Nitrogen oxide sensor and method of manufacturing the sensor

G - Physics

01

N

G01N 27/00 (2006.01) G01N 27/12 (2006.01) G01N 33/00 (2006.01)

Patent

CA 2203578

A nitrogen oxide sensor and a method of manufacturing the sensor are disclosed. The sensor has a gas detecting portion including sensitive material having electric property thereof subject to change in association with presence of nitrogen oxide in gas and a pair of electrodes electrically connected with the gas detecting portion. The gas detecting portion includes, as a main component thereof, metal oxide compound represented by a general formula: Bi2Sr2 (ca1 - x Yx) Cu2O8 + y (0.8~ x ~ 1; 0 ~ y ~ 1) and having the 2212 phase crystal structure and crystalline size greater than 100A.

Détecteur d'oxydes d'azote et méthode pour la fabrication de celui-ci. Le détecteur comporte une zone de captage des gaz logeant une matière sensible dont les propriétés électriques sont sujettes à changement en présence d'oxydes d'azote dans le gaz, ainsi qu'une paire d'électrodes électriquement reliées à la zone de captage des gaz. Un des principaux composants de la zone de captage des gaz est un mélange d'oxydes métalliques représenté par la formule suivante : Bi2Sr2 (cal - x Yx) Cu208 + y (0,8 x 1;0 y 1) avec une cristallographie de phase 2212 et des dimensions supérieures à 100A.

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