LAMINATION-TYPE GAS SENSOR ELEMENT AND GAS SENSOR

PROBLEM TO BE SOLVED: To provide a lamination-type gas sensor element and a gas sensor equipped with the gas sensor element capable of urging the detection part with early activation, the defects of which are less likely to take place by becoming wet. SOLUTION: The lamination-type gas sensor 20 comp...

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Bibliographic Details
Main Authors MAKINO KEISUKE, KOJIMA TAKAO, AWANO SHINYA, ANDO MASAFUMI, KUROKI YOSHIAKI
Format Patent
LanguageEnglish
Published 21.12.2006
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:PROBLEM TO BE SOLVED: To provide a lamination-type gas sensor element and a gas sensor equipped with the gas sensor element capable of urging the detection part with early activation, the defects of which are less likely to take place by becoming wet. SOLUTION: The lamination-type gas sensor 20 comprises the ceramic heater 12, including ceramic bases 122 and 123, in which heating resistors are embedded and the plate-like element main body including the solid-state electrolyte layer 111 overlying this ceramic heater 12 and provided with a pair of electrodes at the tip, extending in the longitudinal direction. The width size of the tip part 101 including the detection part is formed smaller than the remaining parts 103 and 105. Both the side surfaces along the lamination direction of the tip part 101 and the tip surface are coated with porus protective layers 13. Thereby, the heat generated by the ceramic heater 12 can be transmitted quickly, and the direct adhesion of water drops to the element main body can be inhibited. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050171754