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High-dielectric-constant temperature-stable composite dielectric substrate material and preparation method thereof
The invention relates to the technical field of composite materials, and particularly discloses a high-dielectric-constant temperature-stable composite dielectric substrate material and a preparation method thereof.The preparation method comprises the following steps that 1, Sr3. 85Ca0. 15Bi4Ti7O24 ceramic powder is subjected to surface modification treatment through a silane coupling agent; (2) carrying out ball milling and mixing on the modified Sr3. 85Ca0. 15Bi4Ti7O24 ceramic powder in the step (1), a curing agent, hydrocarbon resin and a curing agent diluting solvent for 4-6 hours to obtain slurry; (3) carrying out vacuum defoaming on the slurry obtained in the step (2), and carrying out tape casting to prepare a raw ceramic tape; and (4) copper is coated on the two surfaces of the green tape obtained in the step (3), laminated sintering is carried out, the high-dielectric-constant temperature-stable composite dielectric substrate material is obtained, and the composite dielectric substrate material with the high dielectric constant, the low dielectric constant temperature coefficient and the high thermal stability can be obtained by means of the preparation method of the high-dielectric-constant temperature-stable composite dielectric substrate material and the preparation method of the high-dielectric-constant temperature-stable composite dielectric substrate material with the high dielectric constant and the low dielectric-constant temperature-stable composite dielectric substrate material.
本发明涉及复合材料技术领域，具体公开了一种高介电常数温度稳定型复合介质基板材料及其制备方法，制备方法如下：(1)：将Sr3.85Ca0.15Bi4Ti7O24陶瓷粉末使用硅烷偶联剂进行表面改性处理；(2)：将步骤(1)中改性好的Sr3.85Ca0.15Bi4Ti7O24陶瓷粉末与固化剂、碳氢树脂以及固化剂稀释溶剂进行球磨混料4h～6h得到浆料；(3)：将步骤(2)得到的浆料进行真空脱泡后，经过流延成型制备出生瓷带；(4)：将步骤(3)得到的生瓷带双面覆铜后进行层压烧结，得到高介电常数温度稳定型复合介质基板材料，利用本发明的制备方法可以得到具有较高的介电常数、较低的介电常数温度系数且热稳定性高的复合介质基板材料。
High-dielectric-constant temperature-stable composite dielectric substrate material and preparation method thereof
The invention relates to the technical field of composite materials, and particularly discloses a high-dielectric-constant temperature-stable composite dielectric substrate material and a preparation method thereof.The preparation method comprises the following steps that 1, Sr3. 85Ca0. 15Bi4Ti7O24 ceramic powder is subjected to surface modification treatment through a silane coupling agent; (2) carrying out ball milling and mixing on the modified Sr3. 85Ca0. 15Bi4Ti7O24 ceramic powder in the step (1), a curing agent, hydrocarbon resin and a curing agent diluting solvent for 4-6 hours to obtain slurry; (3) carrying out vacuum defoaming on the slurry obtained in the step (2), and carrying out tape casting to prepare a raw ceramic tape; and (4) copper is coated on the two surfaces of the green tape obtained in the step (3), laminated sintering is carried out, the high-dielectric-constant temperature-stable composite dielectric substrate material is obtained, and the composite dielectric substrate material with the high dielectric constant, the low dielectric constant temperature coefficient and the high thermal stability can be obtained by means of the preparation method of the high-dielectric-constant temperature-stable composite dielectric substrate material and the preparation method of the high-dielectric-constant temperature-stable composite dielectric substrate material with the high dielectric constant and the low dielectric-constant temperature-stable composite dielectric substrate material.
本发明涉及复合材料技术领域，具体公开了一种高介电常数温度稳定型复合介质基板材料及其制备方法，制备方法如下：(1)：将Sr3.85Ca0.15Bi4Ti7O24陶瓷粉末使用硅烷偶联剂进行表面改性处理；(2)：将步骤(1)中改性好的Sr3.85Ca0.15Bi4Ti7O24陶瓷粉末与固化剂、碳氢树脂以及固化剂稀释溶剂进行球磨混料4h～6h得到浆料；(3)：将步骤(2)得到的浆料进行真空脱泡后，经过流延成型制备出生瓷带；(4)：将步骤(3)得到的生瓷带双面覆铜后进行层压烧结，得到高介电常数温度稳定型复合介质基板材料，利用本发明的制备方法可以得到具有较高的介电常数、较低的介电常数温度系数且热稳定性高的复合介质基板材料。
High-dielectric-constant temperature-stable composite dielectric substrate material and preparation method thereof
一种高介电常数温度稳定型复合介质基板材料及其制备方法
AO LAIYUAN (author) / YANG JUN (author) / HE CHUANGCHUANG (author) / CHEN CHUANQING (author) / ZHANG XIU (author) / BAN XIUFENG (author) / SHANG YONG (author)
2023-08-11
Patent
Electronic Resource
Chinese
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High-dielectric-constant ceramic dielectric material and preparation method thereof
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