Low dielectric loss ceramic ferroelectric composite material

Details Low dielectric loss ceramic ferroelectric composite material Low dielectric loss ceramic ferroelectric composite material

2007-11-26

2011-11-29

Group, Karl (Department: 1731)

Compositions: ceramic

Ceramic compositions

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

C501S137000

Reexamination Certificate

active

08067324

ABSTRACT:
The ceramic ferroelectric composite material ensures the achievement of the technical result, consisting in a decrease in the level of the dielectric losses in the radio and microwave frequencies for the materials with the dielectric constant from 152 to 796 together with an increase in the tunability of the dielectric constant by the electric field. The ceramic ferroelectric composite material is produced from the composition including BaTiO3and SrTiO3, which additionally includes the magnesium-containing mixture of magnesium orthotitanate Mg2TiO4and magnesia MgO, with the following content of components, mass%: BaTiO3- 27.0 - 48.8; SrTiO3- 25.0 - 39.5; magnesium-containing mixture of Mg2TiO4and MgO - the remainder, where the components in the magnesium-containing mixture have the following content, mass%: Mg2TiO4- 6.2 - 92.4: MgO - the remainder.

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