| abstract |
The present invention relates to an environment-friendly microwave dielectric ceramic material for small navigation antenna, which is applied to the microwave components such as dielectric resonator, filter, oscillator, cellphone antenna and GPS of small navigation antenna transceiving satellite communication system. The main powder ingredients of the raw material of the present invention include: CaCO 3 , TiO 2 , MgO, ZnO, Al 2 O 3 and a micro amount of additives: SiO 2 and V 2 O 5 . The present invention has low sintering temperature resulting in low power consumption, low dielectric constant, high quality factor and stable resonance frequency temperature characteristic. |