Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Wide temperature stable MLCC dielectric material and preparation method thereof
The invention discloses a wide temperature stable MLCC (multilayer ceramic capacitor) dielectric material and a preparation method thereof, the MLCC dielectric material is composed of Ba (1-x) CexTi (1-y) CeyO3 ceramic, x is more than 0 and less than or equal to 0.005, and y is more than or equal to 0.1 and less than or equal to 0.3. The preparation method comprises the following steps: burdening, ball-milling, drying, pre-sintering after sieving, secondary ball-milling, drying, pressing a green body after granulating, and sintering to obtain the MLCC dielectric material. The dielectric temperature characteristic of the MLCC dielectric material provided by the invention meets the EIA X7R standard, the dielectric constant epsilon r is higher than 1800 in the temperature range of-55 to 125 DEG C, the dielectric loss is low, and the insulating property is excellent; the preparation method provided by the invention is simple in process, short in preparation period and low in cost, and the prepared MLCC dielectric material is excellent in performance.
本发明公开了一种宽温度稳定型MLCC介质材料及其制备方法，该MLCC介质材料的组成为Ba1‑xCexTi1‑yCeyO3陶瓷，其中0＜x≤0.005，0.1≤y≤0.3。该制备方法包括：配料、球磨、烘干、过筛后预烧，二次球磨，烘干，造粒后压制生坯，然后烧结制得MLCC介质材料。本发明提供的MLCC介质材料的介温特性符合EIA X7R标准，在‑55～125℃温度范围内具有较高介电常数εr＞1800，介电损耗低，绝缘性能优异；本发明提供的制备方法工艺简单，制备周期短，成本低，制备得到的MLCC介质材料性能优异。
Wide temperature stable MLCC dielectric material and preparation method thereof
The invention discloses a wide temperature stable MLCC (multilayer ceramic capacitor) dielectric material and a preparation method thereof, the MLCC dielectric material is composed of Ba (1-x) CexTi (1-y) CeyO3 ceramic, x is more than 0 and less than or equal to 0.005, and y is more than or equal to 0.1 and less than or equal to 0.3. The preparation method comprises the following steps: burdening, ball-milling, drying, pre-sintering after sieving, secondary ball-milling, drying, pressing a green body after granulating, and sintering to obtain the MLCC dielectric material. The dielectric temperature characteristic of the MLCC dielectric material provided by the invention meets the EIA X7R standard, the dielectric constant epsilon r is higher than 1800 in the temperature range of-55 to 125 DEG C, the dielectric loss is low, and the insulating property is excellent; the preparation method provided by the invention is simple in process, short in preparation period and low in cost, and the prepared MLCC dielectric material is excellent in performance.
本发明公开了一种宽温度稳定型MLCC介质材料及其制备方法，该MLCC介质材料的组成为Ba1‑xCexTi1‑yCeyO3陶瓷，其中0＜x≤0.005，0.1≤y≤0.3。该制备方法包括：配料、球磨、烘干、过筛后预烧，二次球磨，烘干，造粒后压制生坯，然后烧结制得MLCC介质材料。本发明提供的MLCC介质材料的介温特性符合EIA X7R标准，在‑55～125℃温度范围内具有较高介电常数εr＞1800，介电损耗低，绝缘性能优异；本发明提供的制备方法工艺简单，制备周期短，成本低，制备得到的MLCC介质材料性能优异。
Wide temperature stable MLCC dielectric material and preparation method thereof
一种宽温度稳定型MLCC介质材料及其制备方法
WANG FENGLIN (Autor:in) / ZHANG WEIJUN (Autor:in) / MAO HAIJUN (Autor:in) / CHEN XINGYU (Autor:in) / LIU ZHUOFENG (Autor:in) / LI WEI (Autor:in)
08.03.2024
Patent
Elektronische Ressource
Chinesisch
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