(Ca,Sr)(Zr,Ti)O_3系抗还原高频介质瓷料的研究  

Study on(Ca, Sr)(Zr, Ti)O_3 system anti-reduction high frequency dielectric ceramics

作　　者：张火光 付振晓 宋永生 莫方策 

机构地区：[1]广东风华高新科技股份有限公司,广东肇庆526020

出　　处：《电子元件与材料》2015年第1期15-17,21,共4页Electronic Components And Materials

摘　　要：采用固相合成法制备了(Ca,Sr)(Zr,Ti)O3(简称CSZT)系电容器陶瓷材料,研究了主晶相组分对所制材料介电性能的影响。结果表明:通过调整主晶相CSZT中各组分的配比,再加入适量的烧结助剂,能得到一种可在还原气氛中烧结的高频介质瓷料,该瓷料可与镍内电极共烧,其相对介电常数约为89,介质损耗(tanδ)小于5×10–4,绝缘电阻达到1012Ω,介电常数温度系数为–1 037×10–6/℃。（Ca,Sr）（Zr, Ti）O3（CSZT）dielectric ceramics were prepared by solid state method and the influences of the composition of the main crystal phase on the dielectric properties of prepared CSZT ceramics were studied. The results show that the reduction-resistant ceramics can be gotten by changing the composition of CSZT and adding appropriate amount of sintering additives. The obtained high-frequency dielectric materials can be co-fired with nickel electrode at reducing atmosphere. The dielectric properties are as follows： relative permittivity is about 89, dielectric loss （tanδ） is less than 5×10–4, insulation resistance is up to 1012Ω, temperature coefficient of dielectric constant is about –1037×10–6/℃.

关 键 词：瓷料 高频 还原气氛 多层陶瓷电容器 镍内电极 温度系数 

分 类 号：TM53[电气工程—电器]