摘要:
The object of the present invention is to provide a method of production of dielectric ceramic composition which can lower the firing temperature without compensating the dielectric characteristics. The method of production according to the present invention is characterized by comprising steps of; preparing a dielectric oxide expressed by composition formula of [(CaxSr1-x)O]m[(TiyZr1-y-zHfz)O2] (x, y, z, and m in the formula are; 0.5≦x≦1.0, 0.01≦y≦0.10, 0
摘要翻译:本发明的目的是提供一种能够降低烧制温度而不补偿介电特性的电介质陶瓷组合物的制造方法。 根据本发明的生产方法的特征在于包括以下步骤: 制备由[(CaxSr1-x)O] m [(TiyZr1-y-zHfz)O2](x,y,z和m)的组成式表示的电介质氧化物,式中,x为0≤x≤1.0,0.0,0.01 相对于100重量份的电介质陶瓷组合物,混合1〜10重量份的烧结助剂和0.1〜1.5重量份的烧结助剂,其中,n为0〜10重量份, 以Na 2 O计的氧化钠,碳酸钠或其混合物的重量份,并焙烧得到的混合物; 其中所述烧结助剂包含相对于100重量%的所述烧结助剂,以MnO换算为30至69重量%的锰化合物,以Al 2 O 3换算为1至20重量%的氧化铝和30至50重量%的 氧化硅换算成SiO 2。
摘要:
A production method of a dielectric ceramic composition at least including a main component including a dielectric oxide having perovskite-type crystal structure expressed by a formula ABO3 (note that in the formula, “A” indicates one or more elements selected from Ba, Ca, Sr and Mg, and that “B” indicates one or more elements selected from Ti, Zr and Hf) comprises steps of preparing a main component material including said dielectric oxide expressed by ABO3; preparing a subcomponent material including a composite oxide expressed by M4R6O(SiO4)6 (note that “M” indicates at least one selected from Ca and Sr, and that “R” indicates at least one selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu); mixing said main component material and subcomponent material to obtain a dielectric ceramic composition material; and firing said dielectric ceramic composition material.
摘要:
A production method of a dielectric ceramic composition at least including a main component including a dielectric oxide having perovskite-type crystal structure expressed by a formula ABO3 (note that in the formula, “A” indicates one or more elements selected from Ba, Ca, Sr and Mg, and that “B” indicates one or more elements selected from Ti, Zr and Hf) comprises steps of preparing a main component material including said dielectric oxide expressed by ABO3; preparing a subcomponent material including a composite oxide expressed by M4R6O(SiO4)6 (note that “M” indicates at least one selected from Ca and Sr, and that “R” indicates at least one selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu); mixing said main component material and subcomponent material to obtain a dielectric ceramic composition material; and firing said dielectric ceramic composition material.
摘要:
The object of the present invention is to provide a method of production of dielectric ceramic composition which can lower the firing temperature without compensating the dielectric characteristics. The method of production according to the present invention is characterized by comprising steps of;preparing a dielectric oxide expressed by composition formula of [(CaxSr1-x)O]m[(TiyZr1-y-zHfz)O2] (x, y, z, and m in the formula are; 0.5≦x≦1.0, 0.01≦y≦0.10
摘要翻译:本发明的目的是提供一种能够降低烧制温度而不补偿介电特性的电介质陶瓷组合物的制造方法。 根据本发明的生产方法的特征在于包括以下步骤: 通过[(CaxSr1-x)O] m [(TiyZr1-y-zHfz)O2](x,y,z和m)的组成式表示的电介质氧化物是:0.5≤x≤1.0, 相对于100重量份的电介质陶瓷组合物,混合1〜10重量份的烧结助剂和0.1重量份的烧结助剂,0.1重量% 至1.5重量份的氧化钠,碳酸钠或其混合物,以Na 2 O计,并焙烧得到的混合物; 其中所述烧结助剂相对于100重量%的所述烧结助剂包含30至69重量%的锰化合物,以MnO换算,1至20重量%的氧化铝以Al 2 O 3计,和30至50重量%的 氧化硅换算成SiO 2。
摘要:
A dielectric ceramic composition comprising 100 moles of barium titanate as the main component, and furthermore comprising with respect to 100 moles of the main component 0.1 to 3 moles of a first subcomponent including a magnesium oxide, 0.01 to 0.5 mole (note that 0.5 is not included) of a second subcomponent including a yttrium oxide, 0.01 to 0.2 mole of a third subcomponent including a vanadium oxide, and 0.5 to 10 moles of a glass component including a silicon oxide as the main component; wherein a manganese oxide and a chrome oxide are substantially not included, and an average particle diameter of dielectric particles is 0.35 μm or smaller.
摘要:
A production method of a dielectric ceramic composition having a main component containing a compound having a perovskite crystal structure of the general formula ABO3 (where, A is at least one type of element selected from Ba, Ca, Sr, and Mg, and B is at least one type of element selected from Ti, Zr, and Hf), having a step of synthesizing an ABO3 powder by a liquid phase method or solid phase method, a step of heat treating said synthesized ABO3 powder to remove gas ingredients contained in said ABO3 powder, and a step of firing a dielectric ceramic composition material including said ABO3 powder from which the gas ingredient has been removed.
摘要:
A dielectric ceramic composition comprising 100 moles of barium titanate as the main component, and furthermore comprising with respect to 100 moles of the main component 0.1 to 3 moles of a first subcomponent including a magnesium oxide, 0.01 to 0.5 mole (note that 0.5 is not included) of a second subcomponent including a yttrium oxide, 0.01 to 0.2 mole of a third subcomponent including a vanadium oxide, and 0.5 to 10 moles of a glass component including a silicon oxide as the main component; wherein a manganese oxide and a chrome oxide are substantially not included, and an average particle diameter of dielectric particles is 0.35 μm or smaller.