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Cordierite microwave dielectric ceramic material and preparation method thereof
The invention discloses a cordierite microwave dielectric ceramic material and a preparation method thereof, and belongs to the technical field of electronic ceramic materials. The ceramic material comprises the components in percentage by mass: 13 to 18 wt% of MgO, 28 to 37 wt% of Al2O3, 45 to 55 wt% of SiO2, 0 to 10 wt% of TiO2 and 0 to 5 wt% of ZrO2. The method is simple in process and low in raw material cost; the obtained microwave dielectric ceramic material has excellent properties of low dielectric constant and high quality factor, the dielectric constant is 4-6, the quality factor Q*fvalue is 60000-90000 GHz, the loss is reduced, and the signal transmission speed is increased; and the frequency temperature coefficient is less than +/-15 ppm/DEG C, so that the temperature stability is improved.
一种堇青石微波介质陶瓷材料及其制备方法，属于电子陶瓷材料技术领域。所述陶瓷材料各组分的质量百分比为：MgO为13～18wt％，AlO为28～37wt％，SiO为45～55wt％，TiO为0～10wt％，ZrO为0～5wt％。本发明工艺简单，原材料成本低；得到的微波介质陶瓷材料兼具低介电常数、高品质因数的优异性能，介电常数为4～6，品质因数Q×f值为60000～90000GHz，降低了损耗，提高了信号传输速度；频率温度系数小于±15ppm/℃，提高了温度稳定性。
Cordierite microwave dielectric ceramic material and preparation method thereof
The invention discloses a cordierite microwave dielectric ceramic material and a preparation method thereof, and belongs to the technical field of electronic ceramic materials. The ceramic material comprises the components in percentage by mass: 13 to 18 wt% of MgO, 28 to 37 wt% of Al2O3, 45 to 55 wt% of SiO2, 0 to 10 wt% of TiO2 and 0 to 5 wt% of ZrO2. The method is simple in process and low in raw material cost; the obtained microwave dielectric ceramic material has excellent properties of low dielectric constant and high quality factor, the dielectric constant is 4-6, the quality factor Q*fvalue is 60000-90000 GHz, the loss is reduced, and the signal transmission speed is increased; and the frequency temperature coefficient is less than +/-15 ppm/DEG C, so that the temperature stability is improved.
一种堇青石微波介质陶瓷材料及其制备方法，属于电子陶瓷材料技术领域。所述陶瓷材料各组分的质量百分比为：MgO为13～18wt％，AlO为28～37wt％，SiO为45～55wt％，TiO为0～10wt％，ZrO为0～5wt％。本发明工艺简单，原材料成本低；得到的微波介质陶瓷材料兼具低介电常数、高品质因数的优异性能，介电常数为4～6，品质因数Q×f值为60000～90000GHz，降低了损耗，提高了信号传输速度；频率温度系数小于±15ppm/℃，提高了温度稳定性。
Cordierite microwave dielectric ceramic material and preparation method thereof
一种堇青石微波介质陶瓷材料及其制备方法
ZHOU XIAOHUA (Autor:in) / PENG CHANG (Autor:in) / TANG BIN (Autor:in)
17.07.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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