GAS SENSOR
A gas sensor including a plate-shaped base substrate and three or more mixed-potential-type sensor elements disposed at predetermined intervals on a main face of the base substrate and electrically connected in series. A single heat generation resistor for heating the mixed-potential-type sensor ele...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A gas sensor including a plate-shaped base substrate and three or more mixed-potential-type sensor elements disposed at predetermined intervals on a main face of the base substrate and electrically connected in series. A single heat generation resistor for heating the mixed-potential-type sensor elements and a temperature sensor for measuring the temperature of the base substrate are embedded in the base substrate or disposed on a face of the base substrate opposite the main face. The heat generation resistor has a pattern which overlaps the mixed-potential-type sensor elements, and the maximum value of temperature differences among the mixed-potential-type sensor elements, produced as a result of energization and control of the mixed-potential-type sensor elements to a target temperature using the temperature sensor, falls within 5% of the target temperature. |
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