摘要:
A glass frit for dielectrics, a dielectric ceramic composition, a multilayer ceramic capacitor, and a method for manufacturing the same are disclosed. The glass frit has a composition represented by the formula aSiO2-bB2O3-cLi2O-dK2O-eCaO-fAl2O3-gTiO2-hZrO2, wherein the ratio of components satisfies the conditions of 20≦a≦35, 20≦b≦35, 20≦c≦30, 3≦d≦5, 2≦e≦12, 2≦f≦10, 1≦g≦12 and 1≦h≦7 in terms of mol % where a+b+c+d+e+f+g+h=100. The dielectric ceramic composition comprises 100 parts by weight of (Ca1-xRx)(Zr1-yTiy)O3, 0.5˜2.5 parts by weight of the glass frit, and 1.0˜5.0 parts by weight of a Mn compound. Additionally, the multilayer ceramic capacitor, and the method for manufacturing the same also use the glass frit having the above composition. The ratio of tetracoordinate boron to tricoordinate boron is increased in a lithium borosilicate glass, thereby enhancing structural property, and the components of Al2O3, TiO2 and ZrO2, enhance acid resistance.
摘要翻译:公开了一种电介质玻璃料,介电陶瓷组合物,多层陶瓷电容器及其制造方法。 所述玻璃料具有式aSiO 2-b B 2 O 3 -cLi 2 O 2 O- dK 2 O-eCaO-fAl 2 O 3 -gTiO 2 -hZrO 2 SUB >,其中组分的比例满足20≤a≤35,20≤b≤35,20,20≤c≤30,3≤d≤5,2=e≤12的条件 其中a + b + c + d + e + f + g + h = 100,以摩尔%表示,2 <= f <= 10,1 <= g <= 12和1 <= h <= 7。 电介质陶瓷组合物包含100重量份的(Ca 1-x N R x x)(Zr 1-y)Ti y / 3> O 3,0.5〜2.5重量份的玻璃料和1.0〜5.0重量份的Mn化合物。 此外,多层陶瓷电容器及其制造方法也使用具有上述组成的玻璃料。 在硼硅酸锂玻璃中四配位硼与三配位硼的比例增加,从而提高结构性能,并且将Al 2 N 3 O 3,TiO 2, / SUB和ZrO 2,提高耐酸性。
摘要:
There is provided a layered inductor and a manufacturing method of the layered inductor. There is provided a layered inductor, comprising: a main body in which a plurality of non-magnetic layers are stacked; coil parts ha-ving a plurality of conductor patterns and a plurality of via electrodes formed on the plurality of non-magnetic layers; a plurality of magnetic paths formed in the inner central portion of the coil parts and passing the magnetic flux induced from the coil parts therethrough; and first and second external electrodes formed on the external surface of the main body to be connected to both ends of the coil part, respectively.
摘要:
There are provided a composition for a ceramic electronic component having excellent sinterability and magnetic characteristics (Q), a manufacturing method thereof, and an electronic component using the same. The magnetic material composition for the ceramic electronic component is composed of ferric oxide (Fe2O3) of 47.0 to 49.0 parts by mole, nickel oxide (NiO) of 16.0 to 24.0 parts by mole, zinc oxide (ZnO) of 18.0 to 25.0 parts by mole, and copper oxide (CuO) of 7.0 to 13.0 parts by mole, wherein a portion of ferric oxide may be substituted with boron oxide (B2O3). The ceramic electronic component manufactured by using the magnetic material composition for the ceramic electronic component has an excellent Q.
摘要翻译:提供了具有优异的可烧结性和磁特性(Q)的陶瓷电子部件的组合物,其制造方法和使用该组合物的电子部件。 用于陶瓷电子部件的磁性材料组合物由47.0至49.0份摩尔的氧化铁(Fe 2 O 3),16.0至24.0份摩尔的氧化镍(NiO),18.0至25.0份摩尔的氧化锌(ZnO) ,氧化铜(CuO)为7.0〜13.0份(摩尔),其中一部分氧化铁可以被氧化硼(B 2 O 3)代替。 通过使用陶瓷电子部件用磁性材料组合物制造的陶瓷电子部件具有优异的Q值。
摘要:
There is provided is a laminated inductor, including: a ceramic main body in which a plurality of ceramic layers are stacked; a plurality of inner electrodes formed on the plurality of ceramic layers and having a contact area with the ceramic layer that is 10% or less than that of the entire area of the ceramic layer; and via electrodes having a coil structure by connecting the plurality of inner electrodes.
摘要:
There are provided a nano glass powder for a sintering additive and a method for fabricating the same. The method for fabricating the nano glass powder for the sintering additive includes fabricating a mixed solution by dissolving a raw material of boron (B), a raw material of silicon (Si), and a raw material of a metal oxide in a non-aqueous solvent; controlling a sol-gel reaction by adding an alkali catalyst to the mixed solution, drying a sol-gel material obtained by the sol-gel reaction, and heat treating the sol-gel material.
摘要:
Disclosed herein are a ferrite composition for a high frequency bead in that a part of Fe in M-type hexagonal ferrite represented by BaFe12O19 is substituted with at least one metal selected from a group consisting of 2-valence, 3-valence and 4-valence metals, as well as a chip bead material using the same.According to embodiments of the present invention, the dielectric composition is characterized in that a part of Fe as a constituent of M-type hexagonal barium ferrite is substituted by other metals, to thus decrease a sintering temperature to 920° C. or less without using any additive for low temperature sintering. Moreover, because of high SRF properties, the inventive composition is applicable to a multilayer type chip bead used at a high frequency of more than several hundreds MHz and a magnetic antenna.
摘要翻译:本发明公开了一种用于高频珠粒的铁氧体组合物,其中由BaFe 12 O 19表示的M型六方晶系铁氧体中的Fe的一部分被选自2-价,3-价和4-价的至少一种金属所取代 金属,以及使用其的芯片珠材料。 根据本发明的实施方案,电介质组合物的特征在于,作为M型六角钡铁氧体的组成部分的Fe的一部分被其它金属取代,从而将烧结温度降低至920℃以下,而不使用 任何低温烧结添加剂。 此外,由于高SRF性能,本发明的组合物可应用于在高于几百MHz的高频下使用的多层型芯片珠和磁性天线。
摘要:
Disclosed herein are a nickel-zinc-copper (NiZnCu) based ferrite composition containing 0.001 to 0.3 parts by weight of bivalent metal, 0.001 to 0.3 parts by weight of trivalent metal, and 0.001 to 0.5 parts by weight of tetravalent metal based on 100 parts by weight of main component containing 47.0 to 50.0 mol % of Fe2O3, 15.0 to 27.0 mol % of NiO, 18.0 to 25.0 mol % of ZnO, and 7.0 to 13.0 mol % of CuO, and a multilayered chip device and a toroidal core using the same. According to exemplary embodiments of the present invention, a bivalent metal, a trivalent metal, and a tetravalent are contained in a NiZuCu ferrite, thereby making it possible to provide a ferrite composition having excellent quality factor (Q) characteristics. Moreover, it is possible to provide a toroidal core and a multilayered chip device having excellent sinterability, permittivity, and quality factor (Q) characteristics using the ferrite composition.
摘要:
Disclosed herein is a multilayer type power inductor including: a plurality of body layers including internal electrodes and having magnetic material layers stacked therein; and a plurality of gap layers, wherein the gap layer has an asymmetrical structure. In the multilayer type power inductor, portions that are in contact with the body layers have, a non-porous structure, which is a dense structure, and portions that are not in contact with the body layers have a porous structure, such that the gap layer has the asymmetrical structure. Therefore, a magnetic flux propagation path in a coil is dispersed to suppress magnetization at a high current, thereby making it possible to improve a change in inductance (L) value according to the application of current.
摘要:
A magnetic material composition for ceramic electronic components that is excellent in sintering properties and magnetic properties (in particular, a Q-factor) and a manufacturing method thereof, and a ceramic electronic component using the magnetic material composition are provided. The magnetic material composition includes Ni—Zn—Cu ferrite powder formed of 47.0 to 49.5 parts by mole of a mixture of iron oxide (Fe2O3), cobalt oxide (CoO), and titanium oxide (TiO2), 16.0 to 24.0 parts by mole of nickel oxide (NiO), 18.0 to 25.0 parts by mole of zinc oxide (ZnO), and 7.0 to 13.0 parts by mole of copper oxide (CuO). A ceramic electronic component manufactured using the magnetic material composition has an excellent Q-factor.
摘要翻译:提供了烧结性和磁特性(特别是Q因子)及其制造方法优异的陶瓷电子部件用磁性材料组合物和使用该磁性材料组合物的陶瓷电子部件。 磁性材料组合物包括由氧化铁(Fe 2 O 3),氧化钴(CoO)和氧化钛(TiO 2)的混合物47.0至49.5摩尔份形成的Ni-Zn-Cu铁氧体粉末,16.0至24.0摩尔% 氧化镍(NiO),氧化锌(ZnO)为18.0〜25.0份摩尔,氧化铜(CuO)为7.0〜13.0质量份。 使用磁性材料组合物制造的陶瓷电子部件具有优异的Q因子。
摘要:
Disclosed herein are a ferrite composition for a high frequency bead in that a part of Fe in M-type hexagonal ferrite represented by BaFe12O19 is substituted with at least one metal selected from a group consisting of 2-valence, 3-valence and 4-valence metals, as well as a chip bead material using the same.According to embodiments of the present invention, the dielectric composition is characterized in that a part of Fe as a constituent of M-type hexagonal barium ferrite is substituted by other metals, to thus decrease a sintering temperature to 920° C. or less without using any additive for low temperature sintering. Moreover, because of high SRF properties, the inventive composition is applicable to a multilayer type chip bead used at a high frequency of more than several hundreds MHz and a magnetic antenna.
摘要翻译:本发明公开了一种用于高频珠粒的铁氧体组合物,其中由BaFe 12 O 19表示的M型六方晶系铁氧体中的Fe的一部分被选自2-价,3-价和4-价的至少一种金属所取代 金属,以及使用其的芯片珠材料。 根据本发明的实施方案,电介质组合物的特征在于,作为M型六角钡铁氧体的组成部分的Fe的一部分被其它金属取代,从而将烧结温度降低至920℃以下,而不使用 任何低温烧结添加剂。 此外,由于高SRF性能,本发明的组合物可应用于在高于几百MHz的高频下使用的多层型芯片珠和磁性天线。