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Low-dielectric high-Q temperature-stable type perovskite structure LTCC microwave dielectric material and preparation method thereof
The invention discloses a low-dielectric high-Q temperature-stable type perovskite structure LTCC microwave dielectric material and a preparation method thereof. The material comprises ceramic main powder and an additive, the ceramic main powder comprises the following components in percentage by weight: 0.2%-5.5% of Li2CO3, 0%-5% of MgO, 0%-32% of H3BO3, 56%-68% of CaCO3, 30%-56% of SiO2 and 2%-10% of additives, wherein the additive component is a composite sintering aid Li2CO3-B2O3-TiO2, and the LTCC microwave dielectric material is prepared from the ingredients. According to microwave dielectric ceramic prepared by the invention, the sintering temperature is 850-900 DEG C, the dielectric constant is high (5.6-8.2), the Q*f value is moderate (15764-23065 GHz), the temperature coefficient(tau f) of resonance frequency is small, and the material has the advantages of simple preparation process, low preparation cost, and high practicability.
本发明公开了一种低介高Q温度稳定型钙钛矿结构LTCC微波介质材料及其制备方法，该材料包含陶瓷主粉以及添加剂，陶瓷主粉包含按重量百分比的如下成分：0.2%~5.5% LiCO、0%~5% MgO、0%~32% HBO、56%~68% CaCO、30%~56% SiO、添加剂重量百分比2%~10%，添加剂成分为复合助烧剂LiCO‑BO‑TiO，通过上述配料制得LTCC微波介质材料。本发明制备的微波介质陶瓷，其烧结温度处于850~900℃，介电常数高（5.6‑8.2），值适中（15764‑23065 GHz），谐振频率温度系数（τ）小，本发明具有制备工艺简单、制备成本低的优点，具有强的实用性。
Low-dielectric high-Q temperature-stable type perovskite structure LTCC microwave dielectric material and preparation method thereof
The invention discloses a low-dielectric high-Q temperature-stable type perovskite structure LTCC microwave dielectric material and a preparation method thereof. The material comprises ceramic main powder and an additive, the ceramic main powder comprises the following components in percentage by weight: 0.2%-5.5% of Li2CO3, 0%-5% of MgO, 0%-32% of H3BO3, 56%-68% of CaCO3, 30%-56% of SiO2 and 2%-10% of additives, wherein the additive component is a composite sintering aid Li2CO3-B2O3-TiO2, and the LTCC microwave dielectric material is prepared from the ingredients. According to microwave dielectric ceramic prepared by the invention, the sintering temperature is 850-900 DEG C, the dielectric constant is high (5.6-8.2), the Q*f value is moderate (15764-23065 GHz), the temperature coefficient(tau f) of resonance frequency is small, and the material has the advantages of simple preparation process, low preparation cost, and high practicability.
本发明公开了一种低介高Q温度稳定型钙钛矿结构LTCC微波介质材料及其制备方法，该材料包含陶瓷主粉以及添加剂，陶瓷主粉包含按重量百分比的如下成分：0.2%~5.5% LiCO、0%~5% MgO、0%~32% HBO、56%~68% CaCO、30%~56% SiO、添加剂重量百分比2%~10%，添加剂成分为复合助烧剂LiCO‑BO‑TiO，通过上述配料制得LTCC微波介质材料。本发明制备的微波介质陶瓷，其烧结温度处于850~900℃，介电常数高（5.6‑8.2），值适中（15764‑23065 GHz），谐振频率温度系数（τ）小，本发明具有制备工艺简单、制备成本低的优点，具有强的实用性。
Low-dielectric high-Q temperature-stable type perovskite structure LTCC microwave dielectric material and preparation method thereof
一种低介高Q温度稳定型钙钛矿结构LTCC微波介质材料及其制备方法
MA DANDAN (author) / NIE MIN (author) / ZHU XIAOBIN (author) / DAI ZHENGLI (author) / LI QING (author)
2020-04-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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