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Medium-dielectric-constant low-temperature co-fired microwave dielectric ceramic substrate material and preparation method thereof
The invention discloses a medium-dielectric-constant low-temperature co-fired microwave dielectric ceramic substrate material and a preparation method thereof, and the ceramic substrate material comprises the following components in percentage by mass: 90-95% of BaTi5O11 ceramic and ceramic dopant, and the balance of low-melting-point sintering aid, wherein the ceramic dopant is one or more of CuO, ZnO, CeO2 and V2O5, and the mass of the ceramic dopant is 0.5%-2% of the mass of the BaTi5O11 ceramic; the sintering aid is one or more of glass of ZnO-B2O3-SiO2-BaO-Li2O, glass of CaO-B2O3-SiO2-Al2O3-Na2CO3, glass of MgO-SrO-B2O3-SiO2, glass of Li2O-SiO2-CaO-Al2O3, and the sintering aid is one or more of glass of ZnO-B2O3-SiO2-BaO-Li2O, glass of CaO-B2O3-SiO2-Al2O3-Na2CO3 The doping agent is introduced into the BaTi5O11 ceramic, so that the defects in the BaTi5O11 ceramic are reduced, and the microwave dielectric property of the ceramic is improved; according to the present invention, the BaTi5O11 ceramic is subjected to low-temperature co-firing, the sintering aid is added, the sintering temperature of the BaTi5O11 ceramic is reduced from 1100 DEG C to 870-925 DEG C, the BaTi5O11 ceramic particles are infiltrated by the glass liquid phase, the rearrangement and the viscous flow of the ceramic particles are promoted, the low-temperature co-firing of the BaTi5O11 ceramic is further achieved, and the bending strength of the material is improved on the premise of ensuring the microwave dielectric property of the material as far as possible.
本发明公开了一种中等介电常数低温共烧微波介质陶瓷基板材料及其制备方法，该陶瓷基板材料按质量百分比计，包括：90～95％的BaTi5O11陶瓷和陶瓷掺杂剂，余量为低熔点烧结助剂；其中，陶瓷掺杂剂为CuO、ZnO、CeO2、V2O5中的一种或几种，且其质量为所述BaTi5O11陶瓷质量的0.5％～2％；烧结助剂为ZnO‑B2O3‑SiO2‑BaO‑Li2O玻璃、CaO‑B2O3‑SiO2‑Al2O3‑Na2CO3玻璃、MgO‑SrO‑B2O3‑SiO2玻璃、Li2O‑SiO2‑CaO‑Al2O3玻璃中的一种或几种。本发明在BaTi5O11陶瓷中引入掺杂剂，减少BaTi5O11陶瓷中的缺陷，以提高该陶瓷的微波介电性能；同时添加烧结助剂，将BaTi5O11陶瓷的烧结温度从1100℃降低至870～925℃，玻璃液相浸润BaTi5O11陶瓷颗粒，促进陶瓷颗粒重排和粘性流动，进而实现BaTi5O11陶瓷的低温共烧，在尽可能保证材料的微波介电性能的前提下，提高了材料的抗弯强度。
Medium-dielectric-constant low-temperature co-fired microwave dielectric ceramic substrate material and preparation method thereof
The invention discloses a medium-dielectric-constant low-temperature co-fired microwave dielectric ceramic substrate material and a preparation method thereof, and the ceramic substrate material comprises the following components in percentage by mass: 90-95% of BaTi5O11 ceramic and ceramic dopant, and the balance of low-melting-point sintering aid, wherein the ceramic dopant is one or more of CuO, ZnO, CeO2 and V2O5, and the mass of the ceramic dopant is 0.5%-2% of the mass of the BaTi5O11 ceramic; the sintering aid is one or more of glass of ZnO-B2O3-SiO2-BaO-Li2O, glass of CaO-B2O3-SiO2-Al2O3-Na2CO3, glass of MgO-SrO-B2O3-SiO2, glass of Li2O-SiO2-CaO-Al2O3, and the sintering aid is one or more of glass of ZnO-B2O3-SiO2-BaO-Li2O, glass of CaO-B2O3-SiO2-Al2O3-Na2CO3 The doping agent is introduced into the BaTi5O11 ceramic, so that the defects in the BaTi5O11 ceramic are reduced, and the microwave dielectric property of the ceramic is improved; according to the present invention, the BaTi5O11 ceramic is subjected to low-temperature co-firing, the sintering aid is added, the sintering temperature of the BaTi5O11 ceramic is reduced from 1100 DEG C to 870-925 DEG C, the BaTi5O11 ceramic particles are infiltrated by the glass liquid phase, the rearrangement and the viscous flow of the ceramic particles are promoted, the low-temperature co-firing of the BaTi5O11 ceramic is further achieved, and the bending strength of the material is improved on the premise of ensuring the microwave dielectric property of the material as far as possible.
本发明公开了一种中等介电常数低温共烧微波介质陶瓷基板材料及其制备方法，该陶瓷基板材料按质量百分比计，包括：90～95％的BaTi5O11陶瓷和陶瓷掺杂剂，余量为低熔点烧结助剂；其中，陶瓷掺杂剂为CuO、ZnO、CeO2、V2O5中的一种或几种，且其质量为所述BaTi5O11陶瓷质量的0.5％～2％；烧结助剂为ZnO‑B2O3‑SiO2‑BaO‑Li2O玻璃、CaO‑B2O3‑SiO2‑Al2O3‑Na2CO3玻璃、MgO‑SrO‑B2O3‑SiO2玻璃、Li2O‑SiO2‑CaO‑Al2O3玻璃中的一种或几种。本发明在BaTi5O11陶瓷中引入掺杂剂，减少BaTi5O11陶瓷中的缺陷，以提高该陶瓷的微波介电性能；同时添加烧结助剂，将BaTi5O11陶瓷的烧结温度从1100℃降低至870～925℃，玻璃液相浸润BaTi5O11陶瓷颗粒，促进陶瓷颗粒重排和粘性流动，进而实现BaTi5O11陶瓷的低温共烧，在尽可能保证材料的微波介电性能的前提下，提高了材料的抗弯强度。
Medium-dielectric-constant low-temperature co-fired microwave dielectric ceramic substrate material and preparation method thereof
一种中等介电常数低温共烧微波介质陶瓷基板材料及其制备方法
SHANGGUAN DUANDAN (author) / LAN KAIDONG (author) / LI ZIHAO (author)
2023-11-17
Patent
Electronic Resource
Chinese
Medium dielectric constant microwave dielectric ceramic material and preparation method thereof
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