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:
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:
Disclosed herein are a ferrite powder having a core-shell structure, the core being made of iron (Fe) or iron-based compounds comprising iron (Fe) and the shell being made of metal oxides, a ferrite material comprising the ferrite powder and the glass, and multilayered chip components including the ferrite layer using the ferrite material, inner electrodes, and outer electrodes. According to the exemplary embodiments of the present invention, it is possible to provide the ferrite material capable of improving the change in the inductance L value in response to applied current by suppressing magnetization at high current. The multilayered chip components including the ferrite material according to the exemplary embodiment of the present invention can also be used in a band of MHz.
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:
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:
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:
Provided is a multilayer inductor and a method of manufacturing the same. The multilayer inductor includes a plurality of deposited ferrite sheets, a coil part constituted by a plurality of internal electrode patterns and internal electrode vias formed on the plurality of ferrite sheets, non-magnetic vias formed at arbitrary positions of the plurality of ferrite sheets and filled with a non-magnetic material of paste so that a magnetic flux formed around the coil part can be dispersed, and a gap layer formed of a non-magnetic ferrite disposed at a center of the deposited ferrite sheets. Since a non-magnetic via is formed in the multilayer inductor, a magnetic flux propagation path in a coil can be dispersed and blocked to suppress magnetization at a high current and thus improve variation in inductance according to current application.