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Layered medium-high dielectric constant low-loss microwave dielectric ceramic and preparation method thereof
The invention discloses a layered medium-high dielectric constant low-loss microwave dielectric ceramic and a preparation method thereof, and belongs to the technical field of electronic functional materials and devices. The ceramic material is formed by bonding a substrate A and a substrate B in a layered mode, the substrate A is composed of, by mass in percentage, 16%-17% of BaO, 6.5%-45% of Sm2O3, 8.5%-37% of Nd2O3, 36%-40% of TiO2 and 0.0%-3.0% of Al2O3, and the substrate B is composed of, by mass in percentage, 21%-22% of CaO, 29%-30% of Sm2O3, 30%-50% of TiO2 and 0.0%-18% of Al2O3; the dielectric constant of the microwave dielectric ceramic material is 60-80, the Q * f value is 13000-22000 GHz, and the temperature coefficient of resonance frequency is -5-+5 ppm/DEG C. The comprehensive performance of the prepared layered structure microwave dielectric ceramic material is superior to that of the existing medium-high dielectric constant microwave dielectric ceramic material, the preparation method avoids the possible chemical reaction of two substrate materials at high temperature, and the layered structure microwave dielectric ceramic material has good application prospects in the field of manufacturing of microwave devices such as dielectric resonators and filters.
本发明公开了属于电子功能材料与器件技术领域的一种层状中高介电常数低损耗微波介质陶瓷及其制备方法。该陶瓷材料由A基片和B基片层状粘合而成，其中A基片由质量百分比为16％～17％的BaO、6.5％～45％的Sm2O3、8.5％～37％的Nd2O3、36％～40％的TiO2和0.0％～3.0％的Al2O3构成，B基片由质量百分比为21％～22％的CaO、29％～30％的Sm2O3、30％～50％的TiO2和0.0％～18％的Al2O3构成；这种微波介质陶瓷材料的介电常数为60～80，Q×f值为13000～22000GHz，谐振频率温度系数为‑5～+5ppm/℃。本发明制备的层状结构微波介质陶瓷材料的综合性能优于现有的中高介电常数微波介质陶瓷材料，制备方法避免了两种基片材料在高温下可能发生的化学反应，在介质谐振器、滤波器等微波器件制作领域有良好的应用前景。
Layered medium-high dielectric constant low-loss microwave dielectric ceramic and preparation method thereof
The invention discloses a layered medium-high dielectric constant low-loss microwave dielectric ceramic and a preparation method thereof, and belongs to the technical field of electronic functional materials and devices. The ceramic material is formed by bonding a substrate A and a substrate B in a layered mode, the substrate A is composed of, by mass in percentage, 16%-17% of BaO, 6.5%-45% of Sm2O3, 8.5%-37% of Nd2O3, 36%-40% of TiO2 and 0.0%-3.0% of Al2O3, and the substrate B is composed of, by mass in percentage, 21%-22% of CaO, 29%-30% of Sm2O3, 30%-50% of TiO2 and 0.0%-18% of Al2O3; the dielectric constant of the microwave dielectric ceramic material is 60-80, the Q * f value is 13000-22000 GHz, and the temperature coefficient of resonance frequency is -5-+5 ppm/DEG C. The comprehensive performance of the prepared layered structure microwave dielectric ceramic material is superior to that of the existing medium-high dielectric constant microwave dielectric ceramic material, the preparation method avoids the possible chemical reaction of two substrate materials at high temperature, and the layered structure microwave dielectric ceramic material has good application prospects in the field of manufacturing of microwave devices such as dielectric resonators and filters.
本发明公开了属于电子功能材料与器件技术领域的一种层状中高介电常数低损耗微波介质陶瓷及其制备方法。该陶瓷材料由A基片和B基片层状粘合而成，其中A基片由质量百分比为16％～17％的BaO、6.5％～45％的Sm2O3、8.5％～37％的Nd2O3、36％～40％的TiO2和0.0％～3.0％的Al2O3构成，B基片由质量百分比为21％～22％的CaO、29％～30％的Sm2O3、30％～50％的TiO2和0.0％～18％的Al2O3构成；这种微波介质陶瓷材料的介电常数为60～80，Q×f值为13000～22000GHz，谐振频率温度系数为‑5～+5ppm/℃。本发明制备的层状结构微波介质陶瓷材料的综合性能优于现有的中高介电常数微波介质陶瓷材料，制备方法避免了两种基片材料在高温下可能发生的化学反应，在介质谐振器、滤波器等微波器件制作领域有良好的应用前景。
Layered medium-high dielectric constant low-loss microwave dielectric ceramic and preparation method thereof
一种层状中高介电常数低损耗微波介质陶瓷及其制备方法
YUE ZHENXING (Autor:in) / GUO WEIJIA (Autor:in) / MA ZHIYU (Autor:in) / LUO YU (Autor:in) / CHEN YUGU (Autor:in)
07.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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