Method for forming zinc oxide-containing ceramics by hot pressin

Details Method for forming zinc oxide-containing ceramics by hot pressin Method for forming zinc oxide-containing ceramics by hot pressin

1977-12-21

1979-12-25

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252519, 252520, 252521, 264235, 264332, H01B 108

Patent

active

041804830

ABSTRACT:
Zinc oxide powder and a single phase mixed oxide glass powder including bismuth oxide are mixed and then simultaneously heated and pressed to form a consolidated ceramic body of linear electrical characteristics. Subsequent annealing transforms the body to one of non-linear characteristics.

REFERENCES:
patent: 3764566 (1973-10-01), Matsuoka et al.
patent: 3886097 (1975-05-01), Hossenlopp
patent: 3925261 (1975-12-01), Lauterbach-Dammler
patent: 3950274 (1976-04-01), May
patent: 4041123 (1977-08-01), Lange et al.
Hirschhorn, Joel S., Introduction to Powder Metallurgy, American Powder Metallurgy Institute, (1969), pp. 155-156.

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