Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1991-01-24
1992-04-28
Barr, Josephine
Compositions
Electrically conductive or emissive compositions
Metal compound containing
252521, H01B 106
Patent
active
051086581
ABSTRACT:
The invention relates to a light metal oxide-based amorphous electrical conductor which comprises an amorphous ternary composition consisting of alumina, boria, and an oxide of a light metal selected from Group IA and IIA of the Periodic Table of Elements. Amorphous conductors of the present invention can be produced by forming an aqueous composition comprising a source of light metal ions, a source of alumina and a source of boria to form a homogeneous gel, drying the gel to form a superifically dry solid, and calcining the dry solid at a sufficiently high temperature to form an amorphous ternary composition as described above. The conductor is used as an element of a moisture and/or a high temperature sensor.
REFERENCES:
patent: 5051204 (1991-09-01), Ohsawa et al.
patent: 5057244 (1991-10-01), Nitta et al.
DeSimone Richard E.
Kaminsky Mark P.
Satek Larry C.
Amoco Corporation
Barr Josephine
Jerome Frederick S.
Magidson William H.
Medhurst Ralph C.
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