Low-temperature-sintered composite microwave dielectric ceramic material and preparation method thereof
A microwave dielectric ceramic and low-temperature sintering technology is applied in the field of composite microwave dielectric ceramic materials, low-temperature sintered composite microwave dielectric ceramic materials and their preparation, which can solve problems such as restricting applications and achieve the effect of low loss
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[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] The material of the present invention is composed of BaTi with a mass percentage of 92.5% to 97.5%. 5 o 11 Composition of base material and a fever reducer with a mass percentage of 1% to 7.5%, BaTi 5 o 11 The composition of the base material is BaTi 5 o 11 -nCuO, wherein: 0.005≤n≤0.020 weight ratio, fever reducer composition is 27.25%≤Ba 2 CO 3 ≤46.74%, 4.25%≤Li 2 CO 3 ≤7.47%, 8.65%≤SiO 2 ≤9.19%, 25.59%≤B 2 o 3 ≤38.29%, 20.88%≤ZnO≤32.95%, 1.58%≤Al 2 o 3 ≤9.83%, 0.29%≤MnCO 3 ≤0.95%.
[0022]Table 1 shows the data of several specific examples of the composition content of the present invention, and Table 2 shows the microwave dielectric properties of each example.
[0023] Its preparation method is:
[0024] Step 1, the BaCO 3 , CuO, TiO 2 Raw powder by BaTi 5 o 11 -nCuO composition ingredients, wherein: 0.00...
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