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Microwave dielectric ceramic material for filter and preparation method thereof
The invention discloses a microwave dielectric ceramic material for a filter. The microwave dielectric ceramic material is prepared from the following raw material components in mole percent: 10 mol%-20 mol% of BaCO3, 75 mol%-80 mol% of TiO2, 2 mol%-4 mol% of ZnO, 2 mol%-4 mol% of Li2CO3 and 1 mol%-2 mol% of ZrO2. The invention also discloses a preparation method of the microwave dielectric ceramic material for the filter. The microwave dielectric ceramic material can maintain the following microwave properties under the condition of low-temperature sintering (1100-1200 DEG C): Er = 35 +/-2, Qfgt; and tau f is adjustable, meets the requirement within +/-5ppm/DEG C, can meet the technical requirements of signal filter devices, and has important industrial application value.
本发明公开了一种滤波器用微波介质陶瓷材料，由以下摩尔百分比的原料组分制成：BaCO3 10mol％～20mol％、TiO2 75mol％～80mol％、ZnO2mol％～4mol％、Li2CO3 2mol％～4mol％、ZrO2 1mol％～2mol％。本发明还公开了该滤波器用微波介质陶瓷材料的制备方法。该微波介质陶瓷材料可以在低温烧结(1100～1200℃)的条件下保持以下的微波性能：Er＝35±2，Qf>45000GHz，τf可调并且符合±5ppm/℃以内的要求，可满足信号滤波器器件的技术需求，具有重要的工业应用价值。
Microwave dielectric ceramic material for filter and preparation method thereof
The invention discloses a microwave dielectric ceramic material for a filter. The microwave dielectric ceramic material is prepared from the following raw material components in mole percent: 10 mol%-20 mol% of BaCO3, 75 mol%-80 mol% of TiO2, 2 mol%-4 mol% of ZnO, 2 mol%-4 mol% of Li2CO3 and 1 mol%-2 mol% of ZrO2. The invention also discloses a preparation method of the microwave dielectric ceramic material for the filter. The microwave dielectric ceramic material can maintain the following microwave properties under the condition of low-temperature sintering (1100-1200 DEG C): Er = 35 +/-2, Qfgt; and tau f is adjustable, meets the requirement within +/-5ppm/DEG C, can meet the technical requirements of signal filter devices, and has important industrial application value.
本发明公开了一种滤波器用微波介质陶瓷材料，由以下摩尔百分比的原料组分制成：BaCO3 10mol％～20mol％、TiO2 75mol％～80mol％、ZnO2mol％～4mol％、Li2CO3 2mol％～4mol％、ZrO2 1mol％～2mol％。本发明还公开了该滤波器用微波介质陶瓷材料的制备方法。该微波介质陶瓷材料可以在低温烧结(1100～1200℃)的条件下保持以下的微波性能：Er＝35±2，Qf>45000GHz，τf可调并且符合±5ppm/℃以内的要求，可满足信号滤波器器件的技术需求，具有重要的工业应用价值。
Microwave dielectric ceramic material for filter and preparation method thereof
一种滤波器用微波介质陶瓷材料及其制备方法
YOSHIGISHI (author) / KIM JIN YONG (author) / ZHANG BIN (author)
2024-02-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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