Electrical resistors – Resistance value responsive to a condition – Gas – vapor – or moisture absorbing or collecting
Patent
1984-10-25
1987-08-18
Goldberg, E. A.
Electrical resistors
Resistance value responsive to a condition
Gas, vapor, or moisture absorbing or collecting
338310, 338314, H01L 700
Patent
active
046880151
ABSTRACT:
A roughened surface is formed on an insulating ceramics substrate having an electrode pattern by bonding or partially thrusting ceramics particles to or in the substrate, and a gas-sensitive metal oxide thick film is firmly bonded to the roughened surface.
REFERENCES:
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patent: 4507643 (1985-03-01), Sunano et al.
patent: 4536241 (1985-08-01), Logothetis et al.
patent: 4592967 (1986-06-01), Komatsu et al.
patent: 4614669 (1986-09-01), Yannopoulos
"Homogeneous Semiconducting Gas Sensors," by G. Heiland, Sensors and Actuators, 2, 1982, pp. 343-359.
Kojima Takao
Matsuura Toshitaka
Nakano Akira
Takami Akio
Goldberg E. A.
Lateef M. M.
NGK Spark Plug Co. Ltd.
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