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X8R type ceramic capacitor material and preparation method thereof
The invention discloses an X8R type capacitor dielectric material and a preparation method thereof, and belongs to the technical field of electronic ceramic application. The preparation method comprises the following steps: proportioning titanium dioxide, sodium carbonate, barium carbonate, calcium carbonate, hafnium oxide and bismuth trioxide according to a nominal chemical formula of 0.65 (0.94Na0.5Bi0.5TiO3-0.06BaTiO3)-0.35Ca (Ti0.8Hf0.2)O3 in a stoichiometric ratio, carrying out ball milling, refining the raw materials, pre-sintering, carrying out secondary ball milling and the like, and carrying out a solid-phase reaction and a carbonate decomposition process, thereby obtaining the product. According to the method disclosed by the invention, the dielectric ceramic material with excellent temperature stability can be obtained and meets the EIAX8R standard; and the method is simple, energy-saving, emission-reducing, low in cost and suitable for batch production.
本发明公开了一种X8R型电容器介质材料及其制备方法,属于电子陶瓷应用技术领域。将二氧化钛﹑碳酸钠﹑碳酸钡、碳酸钙、氧化铪、三氧化二铋根据名义化学式0.65(0.94Na0.5Bi0.5TiO3‑0.06BaTiO3)‑0.35Ca(Ti0.8Hf0.2)O3按化学计量比配料，进行球磨，细化原料，经预烧及二次球磨等工序利用固相反应和碳酸盐分解过程制得。本发明方法可获得优良的温度稳定性介电陶瓷材料，满足EIAX8R标准；本发明方法简单，节能减排，成本低廉，适合批量生产。
X8R type ceramic capacitor material and preparation method thereof
The invention discloses an X8R type capacitor dielectric material and a preparation method thereof, and belongs to the technical field of electronic ceramic application. The preparation method comprises the following steps: proportioning titanium dioxide, sodium carbonate, barium carbonate, calcium carbonate, hafnium oxide and bismuth trioxide according to a nominal chemical formula of 0.65 (0.94Na0.5Bi0.5TiO3-0.06BaTiO3)-0.35Ca (Ti0.8Hf0.2)O3 in a stoichiometric ratio, carrying out ball milling, refining the raw materials, pre-sintering, carrying out secondary ball milling and the like, and carrying out a solid-phase reaction and a carbonate decomposition process, thereby obtaining the product. According to the method disclosed by the invention, the dielectric ceramic material with excellent temperature stability can be obtained and meets the EIAX8R standard; and the method is simple, energy-saving, emission-reducing, low in cost and suitable for batch production.
本发明公开了一种X8R型电容器介质材料及其制备方法,属于电子陶瓷应用技术领域。将二氧化钛﹑碳酸钠﹑碳酸钡、碳酸钙、氧化铪、三氧化二铋根据名义化学式0.65(0.94Na0.5Bi0.5TiO3‑0.06BaTiO3)‑0.35Ca(Ti0.8Hf0.2)O3按化学计量比配料，进行球磨，细化原料，经预烧及二次球磨等工序利用固相反应和碳酸盐分解过程制得。本发明方法可获得优良的温度稳定性介电陶瓷材料，满足EIAX8R标准；本发明方法简单，节能减排，成本低廉，适合批量生产。
X8R type ceramic capacitor material and preparation method thereof
一种X8R型陶瓷电容器材料及其制备方法
WANG CHUNCHANG (Autor:in) / CHEN PENGFEI (Autor:in) / LI TIANYU (Autor:in)
17.08.2021
Patent
Elektronische Ressource
Chinesisch
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