Semiconductive ceramics and supporting member made of the same f

Details Semiconductive ceramics and supporting member made of the same f Semiconductive ceramics and supporting member made of the same f

1999-05-28

2000-11-14

Gupta, Yogendra

Compositions

Electrically conductive or emissive compositions

Metal compound containing

2525195, 25251954, 2525212, 2525213, 2525215, 252500, 360 9701, 360 98, 360135, H01B 106

Patent

active

061465518

ABSTRACT:
A semiconductive ceramic contains a compound of MgO and SiO.sub.2 as a main component, and an iron oxide such as FeO, Fe.sub.2 O.sub.3, and Fe.sub.3 O.sub.4 as an electric conductivity provider. According to necessity, the semiconductive ceramic further contains at least one of zinc oxide, niobium oxide, and chromium oxide as an electric conductivity provider. The semiconductive ceramic has a desired electric conductivity and a mechanical strength required for structural material, thus being usable in various applications.

REFERENCES:
patent: 5464480 (1995-11-01), Matthews
patent: 5969902 (1999-10-01), Okumura et al.

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