Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-10-21
1990-06-19
Ryan, Patrick
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428210, 428432, 428433, 428446, 428457, 156 89, 427 58, 427226, 427261, 427265, 427282, 427287, B32B 900
Patent
active
049352890
ABSTRACT:
Disclosed is a gas sensor comprises a ceramic substrate, heaters formed on the surface of the substrate, an insulating layer formed as superposed on the heaters, electrodes formed on the surface of the insulating layer and a catalyst layer made of a gas detecting substance and formed as superposed on electrodes, and further disclosed is a method for the production of a gas sensor comprises the steps of forming a substrate of a ceramic substance, forming heaters on the surface of the substrate, forming an insulating layer for the substrate as superposed on the heaters, forming an electrode parts on the surface of the insulating layer and forming a catalyst layer made of a gas-detecting substance and superposed on the electrodes.
REFERENCES:
patent: 4697165 (1987-09-01), Ishiguro et al.
Egami Harutoshi
Ichimori Eikichi
Ippommatsu Masamichi
Kikuchi Toshimi
Sakai Tadashi
Kabushiki Kaisha Toshiba
Ryan Patrick
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