Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1987-09-28
1988-09-06
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
501139, C04B 3546, C04B 3549
Patent
active
047693541
ABSTRACT:
A type I dielectric composition based on neodymium titanate is formed of a mixture comprising 58% to 78% by weight of neodymium titanate (Nd.sub.2 O.sub.3 -3TiO.sub.2), 10 to 21% by weight of lead titanate (PbTiO.sub.3), 5% to 14% by weight of barium titanate (BaTiO.sub.3), 4% to 15% by weight of barium zirconate (BaZrO.sub.3) and 0.2% to 1.2% by weight of yttrium oxide (Y.sub.2 O.sub.3).
REFERENCES:
patent: 4394456 (1983-07-01), Sakabe et al.
patent: 4704657 (1987-11-01), Yokoe et al.
Beauger Alain
Rossello Alain
Schneider Claude J.
Bell Mark L.
Compagnie Europeene de Composants Electroniques LCC
Knab Ann M.
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