Barium neodymium titanate dielectric ceramic composition incorpo

Details Barium neodymium titanate dielectric ceramic composition incorpo Barium neodymium titanate dielectric ceramic composition incorpo

1998-08-03

2000-08-22

Group, Karl

Compositions: ceramic

Ceramic compositions

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

501139, 264614, 264615, C04B 35468

Patent

active

061072273

ABSTRACT:
A high purity dielectric ceramic composition is disclosed. This composition provides improved electrical properties in the form of ultra-high electrical Q, a low (T.sub.f) property and a high dielectric constant (K). This composition is also amenable to large scale manufacturing processes and operations. The composition provides a multi-oxide dielectric with BaO--Nd.sub.2 O--Sm.sub.2 O.sub.3 --TiO.sub.2 --La.sub.2 O.sub.3 Bi.sub.2 O.sub.3 and ZnO as constituents. The composition materials effectively provide these desirable properties in a custom composition of various oxide materials advantageously including samarium oxide (Sm.sub.2 O.sub.3).

REFERENCES:
patent: 5612268 (1997-03-01), Iwamoto et al.
patent: 5635435 (1997-06-01), Shibata

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