| 摘要 |
There is provided a gas sensor for measuring the concentration of a specific gas component in a gas under measurement, including a gas diffusion rate limiting portion (27), a measurement chamber (21) communicating with an atmosphere of the gas under measurement through the gas diffusion rate limiting portion (27), a sensor element (7) having an ion-conductive layer (13) with first and second surfaces, a first electrode (15) disposed in contact with the first surface of the ion-conductive layer (13) within the measurement chamber (21) and a second electrode (17) disposed in contact with the second surface of the ion-conductive layer (13) and communicating exclusively with the atmosphere of the gas under measurement and a cylindrical support member (3) installing therein the sensor element (7) with the first and second surfaces of the ion-conductive layer (13) directed toward front and base end sides of the support member (3), respectively. <IMAGE>
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