Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Easy-to-sinter high-Q-value Li3Mg2SbO6-based microwave dielectric ceramic material and preparation method thereof
The invention discloses an easy-to-sinter high-Q-value Li3Mg2SbO6-based microwave dielectric ceramic material and a preparation method thereof, the chemical formula is Li3(Mg1-xZnx)2SbO6, and x is greater than or equal to 0.02 and less than or equal to 0.08. The preparation method comprises the following steps: 1, mixing Sb2O3 and Li2CO3 according to a chemical ratio, carrying out ball milling, drying, and presintering to obtain a Li3SbO4 phase, and 2, mixing MgO, ZnO and Li3SbO4 powder according to a chemical ratio of Li3(Mg1-xZnx)2SbO6, carrying out ball milling, then drying, so as to obtainLi3SbO4 powder, adding an adhesive, granulating, sieving, pressing into a cylindrical green body, and sintering in air at the temperature of 1325 DEG C under normal pressure to obtain the ceramic with the dielectric constant of 7.2-8.5, the quality factor of 51844-9719GHz and the temperature coefficient of resonance frequency of -14 to -1 ppm/DEG C. The microwave dielectric ceramic system has a wide application prospect in the field of 5G communication microwave devices.
本发明公开一种易烧结高Q值Li3Mg2SbO6基微波介质陶瓷材料及其制备方法，化学式为Li3(Mg1‑xZnx)2SbO6，其中0.02≤x≤0.08。制备方法：第一步，将Sb2O3、Li2CO3按照化学配比混合球磨后烘干，预烧后获得Li3SbO4相；第二步，将MgO、ZnO和Li3SbO4粉体按照Li3(Mg1‑xZnx)2SbO6的化学配比进行混合球磨后烘干，然后加入粘合剂后造粒过筛并压制成圆柱状坯体，于空气中在1325℃下常压烧结成瓷，介电常数为7.2～8.5，品质因数为51844～97719GHz，谐振频率温度系数为‑14～‑1ppm/℃。该微波介质陶瓷体系在5G通信微波器件领域具有广阔的应用前景。
Easy-to-sinter high-Q-value Li3Mg2SbO6-based microwave dielectric ceramic material and preparation method thereof
The invention discloses an easy-to-sinter high-Q-value Li3Mg2SbO6-based microwave dielectric ceramic material and a preparation method thereof, the chemical formula is Li3(Mg1-xZnx)2SbO6, and x is greater than or equal to 0.02 and less than or equal to 0.08. The preparation method comprises the following steps: 1, mixing Sb2O3 and Li2CO3 according to a chemical ratio, carrying out ball milling, drying, and presintering to obtain a Li3SbO4 phase, and 2, mixing MgO, ZnO and Li3SbO4 powder according to a chemical ratio of Li3(Mg1-xZnx)2SbO6, carrying out ball milling, then drying, so as to obtainLi3SbO4 powder, adding an adhesive, granulating, sieving, pressing into a cylindrical green body, and sintering in air at the temperature of 1325 DEG C under normal pressure to obtain the ceramic with the dielectric constant of 7.2-8.5, the quality factor of 51844-9719GHz and the temperature coefficient of resonance frequency of -14 to -1 ppm/DEG C. The microwave dielectric ceramic system has a wide application prospect in the field of 5G communication microwave devices.
本发明公开一种易烧结高Q值Li3Mg2SbO6基微波介质陶瓷材料及其制备方法，化学式为Li3(Mg1‑xZnx)2SbO6，其中0.02≤x≤0.08。制备方法：第一步，将Sb2O3、Li2CO3按照化学配比混合球磨后烘干，预烧后获得Li3SbO4相；第二步，将MgO、ZnO和Li3SbO4粉体按照Li3(Mg1‑xZnx)2SbO6的化学配比进行混合球磨后烘干，然后加入粘合剂后造粒过筛并压制成圆柱状坯体，于空气中在1325℃下常压烧结成瓷，介电常数为7.2～8.5，品质因数为51844～97719GHz，谐振频率温度系数为‑14～‑1ppm/℃。该微波介质陶瓷体系在5G通信微波器件领域具有广阔的应用前景。
Easy-to-sinter high-Q-value Li3Mg2SbO6-based microwave dielectric ceramic material and preparation method thereof
易烧结高Q值Li3Mg2SbO6基微波介质陶瓷材料及其制备方法
LIU CHENG (Autor:in) / ZHANG HONGYANG (Autor:in) / YANG QINGHUI (Autor:in) / JIN LICHUAN (Autor:in) / LI YUANXUN (Autor:in) / ZHANG HUAIWU (Autor:in)
30.10.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2021