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Low-dielectric-constant ceramic material and preparation method thereof
The invention provides a low-dielectric-constant ceramic material, and relates to the field of information function materials. The ceramic material comprises a main material and a modification additive, wherein the chemical formula of the main material is ZnxSiO4.y(Al2O3.0.05TiO2), x is larger than 1.2 and smaller than 2.5, y is larger than 0 and smaller than 0.25, the mass fraction of the main material in the low dielectric constant ceramic material is 97-99 wt%, the mass fraction of the modification additive in the low dielectric constant ceramic material is 1-3 wt%, and the modified additive is selected from one or more of BaCO3, SrCO3, Nb2O5, Ce2O3, NiO, Mg(OH)2, CaCO3, ZrO2 and TiO2. According to the invention, the ceramic material is a lead-free environment-friendly material, the main material component is synthesized by adopting a solid-phase synthesis method, the modification additive is doped, the powder with the average particle size of 0.5 to 1.0 [mu]m is prepared through reasonably designed formula and optimized synthesis process, the electronic ceramic device prepared from the powder can be sintered into the ceramic within a temperature range of 1240-1320 DEG C, the room-temperature dielectric constant epsilon is 4.5-7, the quality factor Qf value is greater than or equal to 40000 GHz, and the temperature coefficient tau f is (-40-85 DEG C):+/-20 ppm/DEG C.
本发明提供一种低介电常数陶瓷材料，涉及信息功能材料领域。该陶瓷材料包括主材与改性添加物。主材的化学式为ZnSiO·y(AlO·0.05TiO)，其中1.2
Low-dielectric-constant ceramic material and preparation method thereof
The invention provides a low-dielectric-constant ceramic material, and relates to the field of information function materials. The ceramic material comprises a main material and a modification additive, wherein the chemical formula of the main material is ZnxSiO4.y(Al2O3.0.05TiO2), x is larger than 1.2 and smaller than 2.5, y is larger than 0 and smaller than 0.25, the mass fraction of the main material in the low dielectric constant ceramic material is 97-99 wt%, the mass fraction of the modification additive in the low dielectric constant ceramic material is 1-3 wt%, and the modified additive is selected from one or more of BaCO3, SrCO3, Nb2O5, Ce2O3, NiO, Mg(OH)2, CaCO3, ZrO2 and TiO2. According to the invention, the ceramic material is a lead-free environment-friendly material, the main material component is synthesized by adopting a solid-phase synthesis method, the modification additive is doped, the powder with the average particle size of 0.5 to 1.0 [mu]m is prepared through reasonably designed formula and optimized synthesis process, the electronic ceramic device prepared from the powder can be sintered into the ceramic within a temperature range of 1240-1320 DEG C, the room-temperature dielectric constant epsilon is 4.5-7, the quality factor Qf value is greater than or equal to 40000 GHz, and the temperature coefficient tau f is (-40-85 DEG C):+/-20 ppm/DEG C.
本发明提供一种低介电常数陶瓷材料，涉及信息功能材料领域。该陶瓷材料包括主材与改性添加物。主材的化学式为ZnSiO·y(AlO·0.05TiO)，其中1.2
Low-dielectric-constant ceramic material and preparation method thereof
一种低介电常数陶瓷材料及其制备方法
ZHANG JUNZHI (author) / YANG HECHENG (author) / LUO CHANGCHEN (author)
2020-09-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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