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Li2.12MgTi3O8-based microwave dielectric ceramic material for LTCC (Low Temperature Co-Fired Ceramic) and preparation method thereof
The invention belongs to the field of electronic information functional materials and microelectronic devices, particularly provides a Li2.12MgTi3O8-based microwave dielectric ceramic material for LTCC (Low Temperature Co-Fired Ceramic) and a preparation method of the Li2.12MgTi3O8-based microwave dielectric ceramic material, and aims to solve the problem that LTCC application cannot be realized due to relatively high sintering temperature of Li2.12MgTi3O8 microwave dielectric ceramic. According to the invention, it is proposed for the first time that LiF with a low sintering temperature is added into the Li2. 12MgTi3O8-based microwave dielectric ceramic material as a sintering aid, and the addition amount of the LiF is scientifically defined as x wt%, 0.75 lt; x is smaller than or equal to 1.50, the sintering temperature of the Li2.12MgTi3O8 microwave dielectric ceramic is reduced to be lower than the melting point of a silver electrode, and sintering at 850-950 DEG C is realized, so that the application of LTCC (Low Temperature Co-Fired Ceramic) is met; meanwhile, the quality factor Q * f is improved to 81000 GHz-98000 GHz, the relative dielectric constant epsilon r is 22.5-26.5, the temperature coefficient of resonance frequency tau f is 3.0-6.5 ppm/DEG C, and the microwave dielectric ceramic can be used as a substrate material of electronic devices such as antennas, dielectric resonators, filters and microstrip lines and has important application prospects in the fields of microwave communication, radar systems, satellite communication and the like.
本发明属于电子信息功能材料及微电子器件领域，具体提供一种LTCC用Li2.12MgTi3O8基微波介质陶瓷材料及其制备方法，用以解决Li2.12MgTi3O8微波介质陶瓷因较高的烧结温度导致无法实现LTCC应用的问题。本发明首次提出在Li2.12MgTi3O8基微波介质陶瓷材料中添加具有低烧结温度的LiF作为烧结助剂，并科学界定其添加量为x wt％、0.75
Li2.12MgTi3O8-based microwave dielectric ceramic material for LTCC (Low Temperature Co-Fired Ceramic) and preparation method thereof
The invention belongs to the field of electronic information functional materials and microelectronic devices, particularly provides a Li2.12MgTi3O8-based microwave dielectric ceramic material for LTCC (Low Temperature Co-Fired Ceramic) and a preparation method of the Li2.12MgTi3O8-based microwave dielectric ceramic material, and aims to solve the problem that LTCC application cannot be realized due to relatively high sintering temperature of Li2.12MgTi3O8 microwave dielectric ceramic. According to the invention, it is proposed for the first time that LiF with a low sintering temperature is added into the Li2. 12MgTi3O8-based microwave dielectric ceramic material as a sintering aid, and the addition amount of the LiF is scientifically defined as x wt%, 0.75 lt; x is smaller than or equal to 1.50, the sintering temperature of the Li2.12MgTi3O8 microwave dielectric ceramic is reduced to be lower than the melting point of a silver electrode, and sintering at 850-950 DEG C is realized, so that the application of LTCC (Low Temperature Co-Fired Ceramic) is met; meanwhile, the quality factor Q * f is improved to 81000 GHz-98000 GHz, the relative dielectric constant epsilon r is 22.5-26.5, the temperature coefficient of resonance frequency tau f is 3.0-6.5 ppm/DEG C, and the microwave dielectric ceramic can be used as a substrate material of electronic devices such as antennas, dielectric resonators, filters and microstrip lines and has important application prospects in the fields of microwave communication, radar systems, satellite communication and the like.
本发明属于电子信息功能材料及微电子器件领域，具体提供一种LTCC用Li2.12MgTi3O8基微波介质陶瓷材料及其制备方法，用以解决Li2.12MgTi3O8微波介质陶瓷因较高的烧结温度导致无法实现LTCC应用的问题。本发明首次提出在Li2.12MgTi3O8基微波介质陶瓷材料中添加具有低烧结温度的LiF作为烧结助剂，并科学界定其添加量为x wt％、0.75
Li2.12MgTi3O8-based microwave dielectric ceramic material for LTCC (Low Temperature Co-Fired Ceramic) and preparation method thereof
一种LTCC用Li2.12MgTi3O8基微波介质陶瓷材料及其制备方法
LIU KUI (author) / ZHANG DAINAN (author) / LEI YIDA (author) / LI JIE (author) / LIU CHENG (author) / ZHANG HUAIWU (author)
2024-07-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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