本文研究了复合钙钛矿PFN-PFW系统的介电性能.采用控制最佳预烧温度和添加稳定剂以及传统的陶瓷工艺一步合成法,制备出的MLC**瓷料,钙钛矿相含量接近100%,介电性能完全符合Y5V特性,制成圆片电容器烧结温度≤950±20℃.ε=20000±2000,tgδ≤1.0×10-2,△C/C≤60%(-30℃～+85℃),IR≥1010Ω;在Polamar线上制成MLC,其烧结温度为940±10℃,ε=25000±1000,tgδ≤1.5×10-2,△C/C≤60%(-30℃～+85℃),IR≥1010Ω.按新国标进行例验,产品全部合格.
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