CO GAS DETECTING SENSOR

A sensor for detecting CO gas consists of (A) gold electrodes (2) (2') on the outside of ceramic tube (1) formed by screen printing; (B) Au/Pa lead wires (3) (3') from the electrodes; (C) paste-coat [composed of SnO2 pd as detecting material (4), Al2O3 and binder on the whole outface of th...

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Bibliographic Details
Main Authors HAN SANG-DO, MYUNG KWANG-SHIK, PARK JOO-SUK, SON YONG-MOK, LEE SANG-HO, PARK SUNOL
Format Patent
LanguageEnglish
Published 04.05.1990
Edition5
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A sensor for detecting CO gas consists of (A) gold electrodes (2) (2') on the outside of ceramic tube (1) formed by screen printing; (B) Au/Pa lead wires (3) (3') from the electrodes; (C) paste-coat [composed of SnO2 pd as detecting material (4), Al2O3 and binder on the whole outface of the tube, and that is heat treated at 500-700 deg. C; and (D) inserted heat element (5) . The SnO2 Pd is prepd. by reacting SnCl4 and PdCl2 with ammonia at PH 12 to form ppte. and subsequently heat-oxidizing.
Bibliography:Application Number: KR19870000645