Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1987-03-18
1989-08-15
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
73 27R, 338 34, 422 94, 422 95, 422 96, 422 97, 427343, 427344, 436152, G01N 2722
Patent
active
048572756
ABSTRACT:
A laminar gas-sensitive thick film consisting of ceramic semiconductor and metallic catalyzer is formed across a pair of electrodes carried by a ceramic substrate, and the nature of metallic catalyzer on an outer surface layer of the thick film is different from that of metallic catalyzer in that portion of the thick film which is in the proximity of the electrodes.
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Furusaki Keizo
Matsuura Toshitaka
Nasu Mineji
Okawa Teppei
Takami Akio
McMahon Timothy M.
NGK Spark Plug Co. Ltd.
Richman Barry S.
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