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High-dielectric-constant microwave dielectric ceramic material as well as preparation method and application thereof
The invention discloses a microwave dielectric ceramic material with a high dielectric constant, which has a composition expression of aBaCO3-bTiO2-cSm2O3-dWO3-eZrO2-fMnO2-gLi2CO3-hSiO2-iSb2O3, in which a is more than or equal to 17% and less than or equal to 19%, b is more than or equal to 78% and less than or equal to 80%, c is more than or equal to 1% and less than or equal to 2%, d is more than or equal to 0.1% and less than or equal to 0.2%, e is more than or equal to 0.1% and less than or equal to 0.2%, f is more than or equal to 0.1% and less than or equal to 0.2%, and g is more than or equal to 0.1% and less than or equal to 0.2%. 0.1% < = h < = 0.2%; 0.1% < = i < = 0.2%. The invention also discloses a preparation method and application of the microwave dielectric ceramic material. The microwave dielectric ceramic disclosed by the invention has the following microwave properties: Er is equal to 43 +/-2, Qf is greater than or equal to 20000GHz, the temperature coefficient of resonance frequency is within +/-5ppm/DEG C, and the microwave dielectric ceramic can be applied to a vehicle-mounted navigation ceramic antenna and has important industrial application value.
本发明公开了一种高介电常数微波介质陶瓷材料，其组成表达式为aBaCO3‑bTiO2‑cSm2O3‑dWO3‑eZrO2‑fMnO2‑gLi2CO3‑hSiO2‑iSb2O3，其中，17％≤a≤19％，78％≤b≤80％，1％≤c≤2％，0.1％≤d≤0.2％，0.1％≤e≤0.2％，0.1％≤f≤0.2％，0.1％≤g≤0.2％；0.1％≤h≤0.2％；0.1％≤i≤0.2％。本发明还公开了该微波介质陶瓷材料的制备方法和应用。本发明的微波介质陶瓷具有以下微波性能：Er＝43±2，Qf≥20000GHz，谐振频率温度系数在±5ppm/℃以内，可应用于车载导航陶瓷天线，具有重要的工业应用价值。
High-dielectric-constant microwave dielectric ceramic material as well as preparation method and application thereof
The invention discloses a microwave dielectric ceramic material with a high dielectric constant, which has a composition expression of aBaCO3-bTiO2-cSm2O3-dWO3-eZrO2-fMnO2-gLi2CO3-hSiO2-iSb2O3, in which a is more than or equal to 17% and less than or equal to 19%, b is more than or equal to 78% and less than or equal to 80%, c is more than or equal to 1% and less than or equal to 2%, d is more than or equal to 0.1% and less than or equal to 0.2%, e is more than or equal to 0.1% and less than or equal to 0.2%, f is more than or equal to 0.1% and less than or equal to 0.2%, and g is more than or equal to 0.1% and less than or equal to 0.2%. 0.1% < = h < = 0.2%; 0.1% < = i < = 0.2%. The invention also discloses a preparation method and application of the microwave dielectric ceramic material. The microwave dielectric ceramic disclosed by the invention has the following microwave properties: Er is equal to 43 +/-2, Qf is greater than or equal to 20000GHz, the temperature coefficient of resonance frequency is within +/-5ppm/DEG C, and the microwave dielectric ceramic can be applied to a vehicle-mounted navigation ceramic antenna and has important industrial application value.
本发明公开了一种高介电常数微波介质陶瓷材料，其组成表达式为aBaCO3‑bTiO2‑cSm2O3‑dWO3‑eZrO2‑fMnO2‑gLi2CO3‑hSiO2‑iSb2O3，其中，17％≤a≤19％，78％≤b≤80％，1％≤c≤2％，0.1％≤d≤0.2％，0.1％≤e≤0.2％，0.1％≤f≤0.2％，0.1％≤g≤0.2％；0.1％≤h≤0.2％；0.1％≤i≤0.2％。本发明还公开了该微波介质陶瓷材料的制备方法和应用。本发明的微波介质陶瓷具有以下微波性能：Er＝43±2，Qf≥20000GHz，谐振频率温度系数在±5ppm/℃以内，可应用于车载导航陶瓷天线，具有重要的工业应用价值。
High-dielectric-constant microwave dielectric ceramic material as well as preparation method and application thereof
一种高介电常数微波介质陶瓷材料及其制备方法和应用
YOSHIGISHI (author) / KIM JIN YONG (author) / ZHANG BIN (author)
2024-02-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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