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Gallate microwave dielectric ceramic with low dielectric constant and high quality factor and preparation method thereof
The invention discloses a novel gallate microwave dielectric ceramic with low dielectric constant and high quality factor and a preparation method thereof, wherein the dielectric constant epsilon r of the novel gallate microwave dielectric ceramic is 9.1-12.3, the product (Q * f) of the quality factor and the resonant frequency of the novel gallate microwave dielectric ceramics is 20744-90197 GHz, and the temperature coefficient (tau f) of the resonant frequency of the novel gallate microwave dielectric ceramic is -37.7--21.7 ppm/DEG C. The invention belongs to the technical field of microwave dielectric ceramics preparation, and the chemical composition of the novel gallate microwave dielectric ceramic is Ca3SnAGa3O12 (A = Nb, Sb and Ta). The novel gallate microwave dielectric ceramic disclosed by the invention is simple in chemical composition and preparation process, and can be applied to manufacturing of microwave devices such as dielectric resonators, microwave integrated circuit substrates and the like.
本发明公开一类介电常数εr在9.1～12.3之间，品质因子与谐振频率乘积(Q×f)在20,744～90,197GHz，谐振频率温度系数(τf)在‑37.7～‑21.7ppm/℃的新型低介电常数高品质因子镓酸盐微波介质陶瓷及其制备方法，属于微波介质陶瓷制备技术领域，其化学组成为Ca3SnAGa3O12(A＝Nb,Sb,Ta)。本发明公开的新型镓酸盐微波介质陶瓷化学组成及制备工艺简单，可应用于介质谐振器、微波集成电路基片等微波器件的制造。
Gallate microwave dielectric ceramic with low dielectric constant and high quality factor and preparation method thereof
The invention discloses a novel gallate microwave dielectric ceramic with low dielectric constant and high quality factor and a preparation method thereof, wherein the dielectric constant epsilon r of the novel gallate microwave dielectric ceramic is 9.1-12.3, the product (Q * f) of the quality factor and the resonant frequency of the novel gallate microwave dielectric ceramics is 20744-90197 GHz, and the temperature coefficient (tau f) of the resonant frequency of the novel gallate microwave dielectric ceramic is -37.7--21.7 ppm/DEG C. The invention belongs to the technical field of microwave dielectric ceramics preparation, and the chemical composition of the novel gallate microwave dielectric ceramic is Ca3SnAGa3O12 (A = Nb, Sb and Ta). The novel gallate microwave dielectric ceramic disclosed by the invention is simple in chemical composition and preparation process, and can be applied to manufacturing of microwave devices such as dielectric resonators, microwave integrated circuit substrates and the like.
本发明公开一类介电常数εr在9.1～12.3之间，品质因子与谐振频率乘积(Q×f)在20,744～90,197GHz，谐振频率温度系数(τf)在‑37.7～‑21.7ppm/℃的新型低介电常数高品质因子镓酸盐微波介质陶瓷及其制备方法，属于微波介质陶瓷制备技术领域，其化学组成为Ca3SnAGa3O12(A＝Nb,Sb,Ta)。本发明公开的新型镓酸盐微波介质陶瓷化学组成及制备工艺简单，可应用于介质谐振器、微波集成电路基片等微波器件的制造。
Gallate microwave dielectric ceramic with low dielectric constant and high quality factor and preparation method thereof
低介电常数高品质因子镓酸盐微波介质陶瓷及其制备方法
YANG LI (author) / YANG XIAOYAN (author) / KUANG XIAOJUN (author)
2021-11-16
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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