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Temperature coefficient-adjustable low-loss dielectric constant microwave dielectric ceramic and preparation method thereof
The invention relates to a temperature coefficient-adjustable low-loss dielectric constant microwave dielectric ceramic and a preparation method thereof. (CakSm(2-2k)/3)TiO3 and MgTiO3 are used as main components, and a trace amount of CeO is added. The invention aims to meet the requirements of miniaturization and high frequency of microwave frequency for mobile communication, and aims to providea microwave dielectric ceramic formula with a dielectric constant of 20.5 and an adjustable temperature coefficient in a certain range (-25PPm to +20PPm) and a preparation method of the microwave dielectric ceramic formula. An MgTiO3-(CakSm(2-2k)/3)TiO3 system is used as a research object, a trace amount of CeO is added to improve the microwave dielectric ceramic Q value, and the microwave dielectric property of the material is comprehensively regulated and controlled.
本发明涉及一种温度系数可调低损耗介电常数微波介质陶瓷及其制备方法。以(CakSm(2‑2k)/3)TiO3、MgTiO3为成主分，添加微量CeO。本发明的目的迎合移动通信用微波频率小型化、髙频化需要，旨在提供一种介电常数为20.5，同时具有温度系数在一定范围可调（‑25PPm~+20 PPm）微波介质陶瓷配方及其制备方法，以MgTiO3‑(CakSm(2‑2k)/3)TiO3系为研究对象，采用微量添加CeO为提高微波介质陶瓷Q值，综合调控材料的微波介电性能。
Temperature coefficient-adjustable low-loss dielectric constant microwave dielectric ceramic and preparation method thereof
The invention relates to a temperature coefficient-adjustable low-loss dielectric constant microwave dielectric ceramic and a preparation method thereof. (CakSm(2-2k)/3)TiO3 and MgTiO3 are used as main components, and a trace amount of CeO is added. The invention aims to meet the requirements of miniaturization and high frequency of microwave frequency for mobile communication, and aims to providea microwave dielectric ceramic formula with a dielectric constant of 20.5 and an adjustable temperature coefficient in a certain range (-25PPm to +20PPm) and a preparation method of the microwave dielectric ceramic formula. An MgTiO3-(CakSm(2-2k)/3)TiO3 system is used as a research object, a trace amount of CeO is added to improve the microwave dielectric ceramic Q value, and the microwave dielectric property of the material is comprehensively regulated and controlled.
本发明涉及一种温度系数可调低损耗介电常数微波介质陶瓷及其制备方法。以(CakSm(2‑2k)/3)TiO3、MgTiO3为成主分，添加微量CeO。本发明的目的迎合移动通信用微波频率小型化、髙频化需要，旨在提供一种介电常数为20.5，同时具有温度系数在一定范围可调（‑25PPm~+20 PPm）微波介质陶瓷配方及其制备方法，以MgTiO3‑(CakSm(2‑2k)/3)TiO3系为研究对象，采用微量添加CeO为提高微波介质陶瓷Q值，综合调控材料的微波介电性能。
Temperature coefficient-adjustable low-loss dielectric constant microwave dielectric ceramic and preparation method thereof
一种温度系数可调低损耗介电常数微波介质陶瓷及其制备方法
YAN SHENGXI (Autor:in) / ZHANG YIYONG (Autor:in) / LI FEI (Autor:in) / WANG WEIXI (Autor:in) / LI YONGXIANG (Autor:in) / PAN JIN (Autor:in)
16.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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