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Microwave dielectric ceramic with low dielectric constant and preparation method thereof
The invention discloses a garnet-structure microwave dielectric ceramic with a low dielectric constant and a preparation method of the garnet structure microwave dielectric ceramic, the dielectric constant epsilon of the garnet structure microwave dielectric ceramic is 9, the product (Q * f) of a quality factor and resonant frequency is 15895 GHz, and the temperature coefficient (tau f) of the resonant frequency is -53.7 ppm/DEG C. The invention belongs to the technical field of microwave dielectric ceramic preparation, and the chemical composition of the microwave dielectric ceramic is Ca3Sb2Ga2ZnO12. The microwave dielectric ceramic disclosed by the invention is low in raw material cost and simple in chemical composition and preparation process, and can be applied to manufacturing of microwave devices such as microwave integrated circuit substrates, resonators and electronic product packages.
本发明公开一种介电常数ε为9，品质因子与谐振频率乘积(Q×f)为15895GHz，谐振频率温度系数(τf)为‑53.7ppm/℃的低介电常数石榴石结构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Ca3Sb2Ga2ZnO12。本发明公开的低介电常数微波介质陶瓷所用原料成本低、化学组成及制备工艺简单，可应用于微波集成电路基片、谐振器与电子产品封装等微波器件的制造。
Microwave dielectric ceramic with low dielectric constant and preparation method thereof
The invention discloses a garnet-structure microwave dielectric ceramic with a low dielectric constant and a preparation method of the garnet structure microwave dielectric ceramic, the dielectric constant epsilon of the garnet structure microwave dielectric ceramic is 9, the product (Q * f) of a quality factor and resonant frequency is 15895 GHz, and the temperature coefficient (tau f) of the resonant frequency is -53.7 ppm/DEG C. The invention belongs to the technical field of microwave dielectric ceramic preparation, and the chemical composition of the microwave dielectric ceramic is Ca3Sb2Ga2ZnO12. The microwave dielectric ceramic disclosed by the invention is low in raw material cost and simple in chemical composition and preparation process, and can be applied to manufacturing of microwave devices such as microwave integrated circuit substrates, resonators and electronic product packages.
本发明公开一种介电常数ε为9，品质因子与谐振频率乘积(Q×f)为15895GHz，谐振频率温度系数(τf)为‑53.7ppm/℃的低介电常数石榴石结构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Ca3Sb2Ga2ZnO12。本发明公开的低介电常数微波介质陶瓷所用原料成本低、化学组成及制备工艺简单，可应用于微波集成电路基片、谐振器与电子产品封装等微波器件的制造。
Microwave dielectric ceramic with low dielectric constant and preparation method thereof
一种低介电常数微波介质陶瓷及其制备方法
YANG LI (Autor:in) / YANG XIAOYAN (Autor:in) / KUANG XIAOJUN (Autor:in)
23.11.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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