Ceramic compositions for a reduction-reoxidation type semiconduc

Details Ceramic compositions for a reduction-reoxidation type semiconduc Ceramic compositions for a reduction-reoxidation type semiconduc

1984-05-24

1985-08-13

Williams, Howard S.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501139, 252520, 252521, C04B 3546

Patent

active

045350647

ABSTRACT:
Ceramic compositions having (1) a mixture comprised of barium titanate, zirconium oxide and one or more of cerium oxide, neodymium oxide, lanthanum oxide and an oxide of at least one of lanthanides having atomic numbers 59 to 66 in specific ratios and (2) 0.01 to 0.4% by weight (calculated as Mn based on the weight of the mixture) manganese oxide. Such compositions form reduction-reoxidation type semiconducting capacitors of reduced size and increased capacitance per unit area.

REFERENCES:
patent: 4014707 (1977-03-01), Tonaka et al.

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