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HIGH-FREQUENCY DIELECTRIC CERAMIC COMPOSITION, DIELECTRIC RESONATOR, DIELECTRIC FILTER, DIELECTRIC DUPLEXER, AND COMMUNICATION APPARATUS
HIGH-FREQUENCY DIELECTRIC CERAMIC COMPOSITION, DIELECTRIC RESONATOR, DIELECTRIC FILTER, DIELECTRIC DUPLEXER, AND COMMUNICATION APPARATUS
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机译:高频介电陶瓷成分,介电共振器,介电滤波器,介电双工器和通信设备
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摘要
A high-frequency dielectric ceramic composition that has excellent dielectric properties, such as a large εr, a large Q-value, and a small absolute value of τf, even in a high-frequency region, such as a microwave region or a millimeter wave region, and that can be fired at 1400° C. or less, which is much lower than before, is provided. ;The high-frequency dielectric ceramic composition contains 100 parts by weight of main component and 0.005-0.300 parts by weight (on a B2O3 basis) of accessory boron compound. The main component has a composition formula of (1−y)xCaTiaO1+2a−(1−y)(1−x)Ca(M1z/3M22/3)bO1+2b-yLnAlcO(3+3c)/2, wherein x and y denote moles , and x, y, z, a, b, c, and a (wherein α=(1−y)x) satisfy the following relationships: 0.56≦x≦0.8, 0.08≦y≦0.18, 0.980≦z1.000, α≦0.65, 0.985≦a≦1.05, 0.9≦b≦1.02, and 0.9≦c≦1.05.
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机译:高频介电陶瓷组合物具有优异的介电性能,例如大的ε r Sub>,大的Q值和小的τ f Sub>的绝对值,甚至提供了在诸如微波区域或毫米波区域之类的高频区域中的,并且能够在1400℃或更低的温度下烧成的,比以前低得多的烧成。 ;高频介电陶瓷组合物包含100重量份的主要成分和0.005-0.300重量份(以B 2 Sub> O 3 Sub>为基础)的辅助硼化合物。主要成分的组成公式为(1-y)xCaTi a Sub> O 1 + 2a Sub>-( 1 B> -y)( 1 B> -x)Ca(M1 z / 3 Sub> M2 2/3 Sub>) b Sub> O 1 + 2b Sub> -yLnAl c Sub> O (3 + 3c)/ 2 Sub>,其中x和y表示摩尔,x,y,z,a,b,c和a (其中,α=(1-y)x)满足以下关系:0.56≤x≤0.8,0.08≤y≤0.18,0.980≤z<1.000,α≤0.65,0.985≤a≤1.05,0.9≤b≤1.02, 0.9≤c≤1.05。
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