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Borosilicate glass fired X9R type MLCC dielectric material and preparation method thereof
The invention discloses a borosilicate glass fired X9R type MLCC dielectric material and a preparation method thereof, the main component of the material is (1-x) BaTi1-yCeyO3-x (Bi0. 5Na0. 5) TiO3 solid solution, x is more than 0 and less than or equal to 0.20, y is more than or equal to 0.002 and less than or equal to 0.04, and the molar percentage is 92-96%; the auxiliary component is a composite dopant composed of Nb2O5, MnO2, ZnO and MgO, and the molar percentage of the auxiliary component is 4-8%; the sintering aid is borosilicate glass composed of SiO2, B2O3, CaO, Al2O3, ZrO2 and X2O, X is one or more of Li, Na and K, and the addition amount of X is 1-5% of the total mass of the solid solution and the composite dopant. According to the MLCC dielectric material provided by the invention, the dielectric temperature characteristic meets the EIA X9R standard requirement, the sintering temperature is not higher than 1100 DEG C, the room temperature dielectric constant is 1650-1850, the dielectric loss is low, the low dielectric loss temperature range is wide, and the resistivity is high; the used preparation method is simple in process flow and low in preparation cost, and has a good industrialization prospect.
本发明公开了一种硼硅酸盐玻璃助烧的X9R型MLCC介质材料及其制备方法，该材料的主要成分为(1‑x)BaTi1‑yCeyO3‑x(Bi0.5Na0.5)TiO3固溶体，其中0＜x≤0.20，0.002≤y≤0.04，其摩尔百分比为92～96％；辅助成分为由Nb2O5、MnO2、ZnO和MgO构成的复合掺杂剂，其摩尔百分比为4～8％；烧结助剂为由SiO2、B2O3、CaO、Al2O3、ZrO2与X2O组成的硼硅酸盐玻璃，其中X为Li、Na和K中的一种或多种，其添加量为固溶体和复合掺杂剂总质量的1～5％。本发明提供的MLCC介质材料，介温特性满足EIA X9R标准要求，烧结温度不高于1100℃，室温介电常数1650～1850，介电损耗低，低介电损耗温度范围宽，电阻率高；所使用的制备方法工艺流程简单，制备成本低，具有良好的产业化前景。
Borosilicate glass fired X9R type MLCC dielectric material and preparation method thereof
The invention discloses a borosilicate glass fired X9R type MLCC dielectric material and a preparation method thereof, the main component of the material is (1-x) BaTi1-yCeyO3-x (Bi0. 5Na0. 5) TiO3 solid solution, x is more than 0 and less than or equal to 0.20, y is more than or equal to 0.002 and less than or equal to 0.04, and the molar percentage is 92-96%; the auxiliary component is a composite dopant composed of Nb2O5, MnO2, ZnO and MgO, and the molar percentage of the auxiliary component is 4-8%; the sintering aid is borosilicate glass composed of SiO2, B2O3, CaO, Al2O3, ZrO2 and X2O, X is one or more of Li, Na and K, and the addition amount of X is 1-5% of the total mass of the solid solution and the composite dopant. According to the MLCC dielectric material provided by the invention, the dielectric temperature characteristic meets the EIA X9R standard requirement, the sintering temperature is not higher than 1100 DEG C, the room temperature dielectric constant is 1650-1850, the dielectric loss is low, the low dielectric loss temperature range is wide, and the resistivity is high; the used preparation method is simple in process flow and low in preparation cost, and has a good industrialization prospect.
本发明公开了一种硼硅酸盐玻璃助烧的X9R型MLCC介质材料及其制备方法，该材料的主要成分为(1‑x)BaTi1‑yCeyO3‑x(Bi0.5Na0.5)TiO3固溶体，其中0＜x≤0.20，0.002≤y≤0.04，其摩尔百分比为92～96％；辅助成分为由Nb2O5、MnO2、ZnO和MgO构成的复合掺杂剂，其摩尔百分比为4～8％；烧结助剂为由SiO2、B2O3、CaO、Al2O3、ZrO2与X2O组成的硼硅酸盐玻璃，其中X为Li、Na和K中的一种或多种，其添加量为固溶体和复合掺杂剂总质量的1～5％。本发明提供的MLCC介质材料，介温特性满足EIA X9R标准要求，烧结温度不高于1100℃，室温介电常数1650～1850，介电损耗低，低介电损耗温度范围宽，电阻率高；所使用的制备方法工艺流程简单，制备成本低，具有良好的产业化前景。
Borosilicate glass fired X9R type MLCC dielectric material and preparation method thereof
一种硼硅酸盐玻璃助烧的X9R型MLCC介质材料及其制备方法
ZHANG WEIJUN (Autor:in) / WANG FENGLIN (Autor:in) / MAO HAIJUN (Autor:in) / CHEN XINGYU (Autor:in) / LIU ZHUOFENG (Autor:in) / LI WEI (Autor:in)
07.05.2024
Patent
Elektronische Ressource
Chinesisch
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