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Microwave dielectric ceramic material with high dielectric constant and preparation method thereof
The invention discloses a microwave dielectric ceramic material with a high dielectric constant and a preparation method thereof, the composition expression of the microwave dielectric ceramic material is aLi2CO3-bNd2O3-cCaCO3-dBi2O3-eTiO2, and a, b, c, d and e respectively and independently represent molar percentages and meet the following conditions: a is greater than or equal to 9 mol% and less than or equal to 12 mol%, b is greater than or equal to 6 mol% and less than or equal to 9 mol%, c is greater than or equal to 18 mol% and less than or equal to 19 mol%, d is greater than or equal to 3 mol% and less than or equal to 5 mol%, e is greater than or equal to 57 mol% and less than or equal to 64 mol%, and a + b + c + d + e is equal to 100 mol%. According to the invention, excellent microwave performance can be maintained under low and medium temperature sintering conditions, the technical requirements in the fields of signal receiving, signal conversion, signal isolation and the like in microwave mobile communication can be met, and the microwave dielectric ceramic has important industrial application value.
本发明公开了一种高介电常数的微波介质陶瓷材料及其制备方法，所述微波介质陶瓷材料的组成表达式为aLi2CO3‑bNd2O3‑cCaCO3‑dBi2O3‑eTiO2，其中，a、b、c、d和e分别独立表示摩尔百分比，并满足以下条件：9mol％≤a≤12mol％，6mol％≤b≤9mol％，18mol％≤c≤19mol％，3mol％≤d≤5mol％，57mol％≤e≤64mol％，a+b+c+d+e＝100mol％。本发明在低中温烧结条件能能够保持优越的微波性能，可满足微波移动通信中信号接收、转换、信号隔离等领域的技术需求，具有重要的工业应用价值。
Microwave dielectric ceramic material with high dielectric constant and preparation method thereof
The invention discloses a microwave dielectric ceramic material with a high dielectric constant and a preparation method thereof, the composition expression of the microwave dielectric ceramic material is aLi2CO3-bNd2O3-cCaCO3-dBi2O3-eTiO2, and a, b, c, d and e respectively and independently represent molar percentages and meet the following conditions: a is greater than or equal to 9 mol% and less than or equal to 12 mol%, b is greater than or equal to 6 mol% and less than or equal to 9 mol%, c is greater than or equal to 18 mol% and less than or equal to 19 mol%, d is greater than or equal to 3 mol% and less than or equal to 5 mol%, e is greater than or equal to 57 mol% and less than or equal to 64 mol%, and a + b + c + d + e is equal to 100 mol%. According to the invention, excellent microwave performance can be maintained under low and medium temperature sintering conditions, the technical requirements in the fields of signal receiving, signal conversion, signal isolation and the like in microwave mobile communication can be met, and the microwave dielectric ceramic has important industrial application value.
本发明公开了一种高介电常数的微波介质陶瓷材料及其制备方法，所述微波介质陶瓷材料的组成表达式为aLi2CO3‑bNd2O3‑cCaCO3‑dBi2O3‑eTiO2，其中，a、b、c、d和e分别独立表示摩尔百分比，并满足以下条件：9mol％≤a≤12mol％，6mol％≤b≤9mol％，18mol％≤c≤19mol％，3mol％≤d≤5mol％，57mol％≤e≤64mol％，a+b+c+d+e＝100mol％。本发明在低中温烧结条件能能够保持优越的微波性能，可满足微波移动通信中信号接收、转换、信号隔离等领域的技术需求，具有重要的工业应用价值。
Microwave dielectric ceramic material with high dielectric constant and preparation method thereof
一种高介电常数的微波介质陶瓷材料及其制备方法
YOSHIGISHI (Autor:in) / WANG XIAOHUI (Autor:in) / KIM JIN-YONG (Autor:in) / ZHANG BIN (Autor:in)
28.04.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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