工艺对中温烧结高介高稳定MLC介质电性能的影响

1.天津大学电信学院,300072

2.天津大学电信学院,300072

3.天津大学电信学院,300072

4.天津大学电信学院,300072

The Effects of Process Technology on the Dielectric Properties of High-Permittivity High-Stability MLC Sintered at Intermediate Temperature

研究了工艺对BaTiO3基、中温烧结的高介高稳定MLC介质系统电性能的影响.随着BaTiO3合成温度的提高,系统介电系数先升后降,介电系数的变化率一直呈上升趋势,过烧时,瓷料系统的ε-T曲线会成单峰,采用硬度高的锆球作磨球,有助于提高瓷料的介电系数,降低介电系数的变化率.

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[2]	Bussem W R et al.Effect of Two-Dimensional Pressure on the Permittivity of Fine-and Coarse-Grained Barium Titanate[J].Journal of the American Ceramic Society,1966,49:36-39.
[3]	Cross E .Thermodynamic Phenomenology[J].Physis of Electronic Ceramics,1969,7:741.

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