摘要:
There are provided a reduction-resistant dielectric composition and a ceramic electronic component including the same. The reduction-resistant dielectric composition may include a BaTiO3-based matrix powder, 0.1 to 1.0 moles of a transition metal oxide or transition metal carbonates, based on 100 moles of the matrix powder, and 0.1 to 3.0 moles of a sintering aid including silicon oxide (SiO2). The ceramic electronic component including the reduction-resistant dielectric composition may have a high capacitance and superior reliability.
摘要:
There is provided a dielectric ceramic composition including a base powder expressed by a composition formula of Bam(Ti1-xZrx)O3, where 0.995≦m≦1.010 and 0
摘要:
Provided are a dielectric composition and a ceramic electronic component including the same. The dielectric composition includes (a) barium titanate having a specific surface area of 2.5 m2/g to 6.0 m2/g; (b) a mixture containing at least one or more materials selected from the group consisting of any one oxide of Mg, Ca, Sr, Ba and Zr, and any one carbonate thereof; (c) oxide containing at least one or more materials selected from the group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; (d) oxide containing at least one or more material selected from the group consisting of Cr, Mn, Fe, Co, and Ni; (e) oxide containing at least one or more material selected from the group consisting of V, Nb, and Ta; and (f) oxide containing at least one or more material selected from the group consisting of Si and Al. The dielectric composition can satisfy X8R characteristic, can be sintered at a low temperature, and can obtain high reliability.
摘要:
The invention provides an embedded multilayer chip capacitor, and a printed circuit board having the same. The embedded multilayer chip capacitor has a capacitor body having a plurality of dielectric layers stacked one on another; a plurality of first and second internal electrodes formed inside the capacitor body, separated by the dielectric layers; and first and second vias extended vertically inside the capacitor body. The first via is connected to the first internal electrodes and the second via is connected to the second internal electrodes. The first via is led to a bottom of the capacitor body and the second via is led to a top of the capacitor body.
摘要:
There are provided a reduction-resistant dielectric composition and a ceramic electronic component including the same. The reduction-resistant dielectric composition may include a BaTiO3-based matrix powder, 0.1 to 1.0 moles of a transition metal oxide or transition metal carbonates, based on 100 moles of the matrix powder, and 0.1 to 3.0 moles of a sintering aid including silicon oxide (SiO2). The ceramic electronic component including the reduction-resistant dielectric composition may have a high capacitance and superior reliability.
摘要:
There is provided a dielectric composition, including: a basic powder including BamTiO3(0.995≦m≦1.010); a first subcomponent including 0.1 to 0.6 mole of zirconium (Zr) oxide or carbide, based on 100 moles of the basic powder; a second subcomponent including 0.8 to 6.0 moles of oxide or carbide including at least one of magnesium (Mg), strontium (Sr), and barium (Ba); a third subcomponent including 0.2 to 1.8 moles of oxide including at least one rare earth element; a fourth subcomponent including 0.05 to 0.30 mole of oxide including at least one transition metal; a fifth subcomponent including 0.05 to 0.35 mole of oxide including at least one of vanadium (V), niobium (Nb), and tantalum (Ta); and a sixth subcomponent including 0.5 to 4.0 moles of oxide including at least one of silicon (Si) and aluminum (Al).
摘要:
Provided are a dielectric composition and a ceramic electronic component including the same. The dielectric composition includes (a) barium titanate having a specific surface area of 2.5 m2/g to 6.0 m2/g; (b) a mixture containing at least one or more materials selected from the group consisting of any one oxide of Mg, Ca, Sr, Ba and Zr, and any one carbide thereof; (c) oxide containing at least one or more materials selected from the group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; (d) oxide containing at least one or more material selected from the group consisting of Cr, Mn, Fe, Co, and Ni; (e) oxide containing at least one or more material selected from the group consisting of V, Nb, and Ta; and (f) oxide containing at least one or more material selected from the group consisting of Si and Al. The dielectric composition can satisfy X8R characteristic, can be sintered at a low temperature, and can obtain high reliability.
摘要:
Disclosed herein is a method of deagglomerating ceramic powder to inhibit agglomeration and provide a uniform particle size, a deagglomeration mill used for the above method, and a method of preparing uniformly mixed ceramic slurry using the deagglomerated ceramic powder. The deagglomeration method of the ceramic powder includes loading a mixture of ceramic powder and solvent into the deagglomeration mill which includes a hollow cylindrical mill cover having a diameter larger than a length and having a plurality of beads therein; rotating an impeller of a main shaft disposed longitudinally at an internal center portion of the mill cover at a peripheral velocity of 6–10 m/s, using a driving means; deagglomerating the ceramic powder by the action of beads which are moved by a rotational force of the impeller; and discharging the mixture of ceramic powder and solvent from the deagglomeration mill.
摘要:
There is provided a dielectric composition, including: a basic powder including BamTiO3(0.995≦m≦1.010); a first subcomponent including 0.1 to 0.6 mole of zirconium (Zr) oxide or carbide, based on 100 moles of the basic powder; a second subcomponent including 0.8 to 6.0 moles of oxide or carbide including at least one of magnesium (Mg), strontium (Sr), and barium (Ba); a third subcomponent including 0.2 to 1.8 moles of oxide including at least one rare earth element; a fourth subcomponent including 0.05 to 0.30 mole of oxide including at least one transition metal; a fifth subcomponent including 0.05 to 0.35 mole of oxide including at least one of vanadium (V), niobium (Nb), and tantalum (Ta); and a sixth subcomponent including 0.5 to 4.0 moles of oxide including at least one of silicon (Si) and aluminum (Al).
摘要:
A dielectric composition having a high dielectric constant, multi layered ceramic condensers comprising the same, and a method of preparing for multi layered ceramic condensers. The dielectric composition includes: a compound represented by general formula (Ba1-XCax)m(Ti1-yZry)O3 (0.995≦m≦1.010, 0.001≦x≦0.10, 0.001, 0.001≦y≦0.20) as a main component; an Al oxide as a first sub-component; at least one metal selected from a group consisting of Mg, Sr, Ba, Ca, and Zr and the salt thereof, as a second sub-component; at least one metal selected from a group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu and the salt thereof, as a third sub-component; at least one metal selected from a group consisting of Cr, Mo, W, Mn, Fe, Co, and Ni and the salt thereof, as a fourth sub-component; and a fifth sub-component selected from Si containing glass forming compounds.