Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1985-12-04
1987-02-24
Barr, Josephine L.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
429 12, 429224, 501152, H01B 106
Patent
active
046456228
ABSTRACT:
Electrically conductive ceramic having the composition La.sub.x Ca.sub.y MnO.sub.3+.DELTA. characterized by x= 0.44 to 0.48, Y= 0.42 to 0.50 and the sum of the mol numbers of La and Ca is between 1 to 15% (preferably about 10%) smaller than the mol number of Mn.
REFERENCES:
patent: 4197362 (1980-04-01), Schmidberger et al.
patent: 4305848 (1981-12-01), Hikita
patent: 4535064 (1985-08-01), Yoneda
patent: 4562124 (1985-12-01), Ruka
Barr Josephine L.
Dornier System GmbH
Siegemund Ralf H.
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