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Microwave dielectric ceramic material, microwave dielectric ceramic device and preparation method of microwave dielectric ceramic material
The invention discloses a microwave dielectric ceramic material, a microwave dielectric ceramic device and a preparation method thereof, and belongs to the technical field of communication. The microwave dielectric ceramic material comprises a ceramic main material and a modified additive accounting for 0-3wt% of the ceramic main material, wherein the composition expression of the ceramic main material is xAl2O3-(1-x) TiO2, and x is more than or equal to 0.86 and less than or equal to 0.94; and the modified additive is prepared from at least two of SiO2, Y2O3, MgO, Ga2O3, ZnO and Nb2O5. By adding the modified additive, the microwave dielectric ceramic material obtained by sintering at 1400 DEG C and annealing at 1120 DEG C meets the condition that the dielectric constant is about 11.0 and is continuously adjustable, and the microwave dielectric ceramic material has an extremely high Q*f value and a near-zero adjustable temperature coefficient of resonance frequency.
本申请公开了一种微波介质陶瓷材料、微波介质陶瓷器件及其制备方法，属于通信技术领域。所述微波介质陶瓷材料包括陶瓷主料和占陶瓷主料量0‑3wt％的改性添加剂；陶瓷主料的组成表达式为xAl2O3—（1‑x）TiO2，且0.86≤x≤0.94；改性添加剂包括SiO2、Y2O3、MgO、Ga2O3、ZnO及Nb2O5中的至少两种。添加改性添加剂后，经过1400℃烧结和1120℃退火处理所得的微波介质陶瓷材料满足介电常数在11.0附近且连续可调，并且具有极高的Q*f值，近零可调的谐振频率温度系数。
Microwave dielectric ceramic material, microwave dielectric ceramic device and preparation method of microwave dielectric ceramic material
The invention discloses a microwave dielectric ceramic material, a microwave dielectric ceramic device and a preparation method thereof, and belongs to the technical field of communication. The microwave dielectric ceramic material comprises a ceramic main material and a modified additive accounting for 0-3wt% of the ceramic main material, wherein the composition expression of the ceramic main material is xAl2O3-(1-x) TiO2, and x is more than or equal to 0.86 and less than or equal to 0.94; and the modified additive is prepared from at least two of SiO2, Y2O3, MgO, Ga2O3, ZnO and Nb2O5. By adding the modified additive, the microwave dielectric ceramic material obtained by sintering at 1400 DEG C and annealing at 1120 DEG C meets the condition that the dielectric constant is about 11.0 and is continuously adjustable, and the microwave dielectric ceramic material has an extremely high Q*f value and a near-zero adjustable temperature coefficient of resonance frequency.
本申请公开了一种微波介质陶瓷材料、微波介质陶瓷器件及其制备方法，属于通信技术领域。所述微波介质陶瓷材料包括陶瓷主料和占陶瓷主料量0‑3wt％的改性添加剂；陶瓷主料的组成表达式为xAl2O3—（1‑x）TiO2，且0.86≤x≤0.94；改性添加剂包括SiO2、Y2O3、MgO、Ga2O3、ZnO及Nb2O5中的至少两种。添加改性添加剂后，经过1400℃烧结和1120℃退火处理所得的微波介质陶瓷材料满足介电常数在11.0附近且连续可调，并且具有极高的Q*f值，近零可调的谐振频率温度系数。
Microwave dielectric ceramic material, microwave dielectric ceramic device and preparation method of microwave dielectric ceramic material
微波介质陶瓷材料、微波介质陶瓷器件及其制备方法
TANG XIAONENG (author) / TAN ZHENG (author) / WANG FEI (author) / DU YUEDE (author)
2022-02-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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