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Medium material for MLCC and preparation method and application thereof
The invention discloses a dielectric material for an MLCC and a preparation method and application thereof, and the dielectric material for the MLCC is characterized in that the raw materials of the dielectric material for the MLCC comprise main components and a dopant; the main component is barium titanate; the doping agent is a mixture of M1, M2 and M3, M1 is Y2O3 and ZrO2 in a molar ratio of (0.5-3): 1, M2 contains at least one of Mg, Ni, Mn, Co, Fe, Cr, Cu, Mo, W and V, and M3 contains at least one of Si, Al, B and Li; the molar percentage of the dopant in the barium titanate is as follows: M1 is 0.3-9 mol%, M2 is 0.1-10 mol%, and M3 is 0.1-10 mol%. The dielectric constant, the service life and the temperature stability of the dielectric material for the MLCC are improved by controlling the dosage of each component, especially the molar ratio of Y2O3 to ZrO2.
本发明公开了一种MLCC用介质材料及其制备方法和应用，该MLCC用介质材料，其特征在于，其原料包括主要成分和掺杂剂；所述主要成分为钛酸钡；所述掺杂剂为M1、M2和M3的混合物，M1为摩尔比(0.5‑3):1的Y2O3和ZrO2，M2含有Mg、Ni、Mn、Co、Fe、Cr、Cu、Mo、W、V元素中的至少一种，M3含有Si、Al、B、Li元素中的至少一种；所述掺杂剂占所述钛酸钡的摩尔百分比分别为：M1 0.3‑9mol％，M2 0.1‑10mol％，M3 0.1‑10mol％。本发明通过控制各成分的用量，特别是Y2O3和ZrO2的摩尔比来提高MLCC用介质材料的介电常数、使用寿命和温度稳定性。
Medium material for MLCC and preparation method and application thereof
The invention discloses a dielectric material for an MLCC and a preparation method and application thereof, and the dielectric material for the MLCC is characterized in that the raw materials of the dielectric material for the MLCC comprise main components and a dopant; the main component is barium titanate; the doping agent is a mixture of M1, M2 and M3, M1 is Y2O3 and ZrO2 in a molar ratio of (0.5-3): 1, M2 contains at least one of Mg, Ni, Mn, Co, Fe, Cr, Cu, Mo, W and V, and M3 contains at least one of Si, Al, B and Li; the molar percentage of the dopant in the barium titanate is as follows: M1 is 0.3-9 mol%, M2 is 0.1-10 mol%, and M3 is 0.1-10 mol%. The dielectric constant, the service life and the temperature stability of the dielectric material for the MLCC are improved by controlling the dosage of each component, especially the molar ratio of Y2O3 to ZrO2.
本发明公开了一种MLCC用介质材料及其制备方法和应用，该MLCC用介质材料，其特征在于，其原料包括主要成分和掺杂剂；所述主要成分为钛酸钡；所述掺杂剂为M1、M2和M3的混合物，M1为摩尔比(0.5‑3):1的Y2O3和ZrO2，M2含有Mg、Ni、Mn、Co、Fe、Cr、Cu、Mo、W、V元素中的至少一种，M3含有Si、Al、B、Li元素中的至少一种；所述掺杂剂占所述钛酸钡的摩尔百分比分别为：M1 0.3‑9mol％，M2 0.1‑10mol％，M3 0.1‑10mol％。本发明通过控制各成分的用量，特别是Y2O3和ZrO2的摩尔比来提高MLCC用介质材料的介电常数、使用寿命和温度稳定性。
Medium material for MLCC and preparation method and application thereof
一种MLCC用介质材料及其制备方法和应用
LIU YANG (author) / FENG XIAOPENG (author)
2024-09-17
Patent
Electronic Resource
Chinese
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