Patent classifications
C04B2235/3213
LTCC Dielectric Compositions And Devices Having High Q Factors
LTCC devices are produced from dielectric compositions Include a mixture of precursor materials that, upon firing, forms a dielectric material having a zinc-lithium-titanium oxide or silicon-strontium-copper oxide host.
MEMBRANE MADE OF A POLYCRYSTALLINE LLZO PRODUCT
A fused solid-state electrolyte e membrane having a thickness less than 5 mm and intended for a lithium-ion battery. The membrane includes a polycrystalline product including at least 3.0% amorphous phase and including, for more than 95% of its mass, of the elements Li, La, Zr, M and O, M being a dopant chosen from the group formed by Al, P, Sb, Sc, Ti, V, Y, Nb, Hf, Ta, the lanthanides with the exception of La, Se, W, Bi, Si, Ge, Ga, Sn, Cr, Fe, Zn, Na, K, Rb, Cs, Fr, Mg, Ca, Sr, Ba and the mixtures thereof. The contents of these elements, measured after a decarbonatation operation without loss of lithium, being defined by the formula Li.sub.aLa.sub.bZr.sub.cM.sub.dO.sub.12, wherein the atomic indices are such that: 2.500<a<8,500, and 1,000<b<3.500, and 0.600<c<2.000, and 0<d<2.000.
DIELECTRIC COMPOSITION AND ELECTRONIC COMPONENT
Provided is a dielectric composition containing: a main component expressed by {Ba.sub.xSr.sub.(1-x)}.sub.mTa.sub.4O.sub.12; and a first subcomponent, m satisfying a relationship of 1.95≤m≤2.40. The first subcomponent includes silicon and magnesium. When the amount of the main component contained in the dielectric composition is set to 100 parts by mole, the amount of silicon contained in the dielectric composition is 7.5 to 15.0 parts by mole in terms of SiO.sub.2, and the amount of magnesium contained in the dielectric composition is 5.0 to 22.5 parts by mole in terms of MgO.
DIELECTRIC MATERIAL, MULTILAYER CERAMIC ELECTRONIC DEVICE, MANUFACTURING METHOD OF DIELECTRIC MATERIAL, AND MANUFACTURING METHOD OF MULTILAYER CERAMIC ELECTRONIC DEVICE
A dielectric material includes a main component including barium titanate, a first additive containing zirconium in an amount of 2 at % or more and 10 at % or less with respect to titanium of the barium titanate, a second additive containing 0.2 at % or more and 3.5 at % or less of europium with respect to titanium of the barium titanate, rare earth elements other than europium being less than europium, a third additive containing 0.5 at % or more and 4.5 at % or less of manganese with respect to titanium of the barium titanate, and a fourth additive containing at least one of strontium and calcium in an amount of 0.1 at % or more and 3 at % or less with respect to titanium in the barium titanate.
Particles of magnetoplumbite-type hexagonal ferrite, method for manufacturing the same, and radio wave absorber
To provide magnetoplumbite-type hexagonal ferrite particles represented by Formula (1) and having a single crystal phase, and the application. In Formula (1), A represents at least one metal element selected from the group consisting of Sr, Ba, Ca, and Pb, and x satisfies 1.5≤x≤8.0.
AFe.sub.(12−x)Al.sub.xO.sub.19 Formula (1)
Low VOC ink compositions and methods of forming fuel cell system components using the same
A fuel cell system component ink includes a fuel cell system component powder, a solvent including propylene carbonate (PC), and a binder including polypropylene carbonate (PPC).
PIEZOELECTRIC SINGLE CRYSTAL-POLYCRYSTALLINE CERAMIC COMPOSITE, PREPARATION METHOD THEREFOR, AND PIEZOELECTRIC AND DIELECTRIC APPLICATION COMPONENTS USING SAME
Provided is a piezoelectric single crystal-polycrystal ceramic composite, a method of manufacturing the same, and piezoelectric and dielectric application components using the piezoelectric single crystal-polycrystal ceramic composite. The piezoelectric single crystal-polycrystal ceramic composite shows that complexation is carried out by the optimization of a ratio between grain size distributions of a piezoelectric single crystal and polycrystal ceramic grains, and a volume ratio of the contained piezoelectric single crystal so that mass production simultaneously with excellent piezoelectric characteristics of the piezoelectric single crystal can be realized, and the cost of production can be reduced, so the piezoelectric single crystal-polycrystal ceramic composite can be applied to piezoelectric and dielectric application components, like ultrasonic transducers, piezoelectric actuators, piezoelectric sensors, dielectric capacitors, electric field-generating transducers, and electric field and vibration-generating transducers, using the piezoelectric single crystal-polycrystal ceramic composite, and the piezoelectric single crystal-polycrystal ceramic composite can enhance piezoelectric characteristics and competitiveness in prices.
High temperature superconducting material and a method for production
A process for producing a process for producing a LnM.sub.2Cu.sub.3O.sub.x high-temperature superconductive powder, the process comprising: i) providing an aqueous solution of Ln, M and Cu and at least one mineral acid; ii) adding at least one sequestrating agent and, optionally, at least one dispersant to the solution to form a precipitate; iii) recovering the precipitate from the solution; and iv) heating the precipitate in a flow of oxygen to form the LnM.sub.2Cu.sub.3O.sub.x powder, wherein Ln is a rare earth element, preferably Y, Ce, Dy, Er, Gd, La, Nd, Pr, Sm, Sc, Yb, or a mixture of two or more thereof, and wherein M is selected from Ca, Sr, and Ba.
Dielectric material, method of preparing the same, and device comprising the same
Provided are a dielectric material including a compound represented by Formula 1, a device including the same, and a method of preparing the dielectric material:
(1−x)K.sub.aNa.sub.bNbO.sub.3.xM(A.sub.cSb.sub.d)O.sub.3 [Formula 1] wherein, in Formula 1, M is a Group 2 element, A is a trivalent element, and 0<x<1, 0<a<1, 0<b<1, 0<c<1, 0<d<1, a+b=1, and c+d=1.
NTC ceramic part, electronic component for inrush current limiting, and method for manufacturing an electronic component
An NTC ceramic part, an electronic component for inrush current limiting, and a method for manufacturing an electronic component are disclosed. In an embodiment, an NTC ceramic part for use in an electronic component for inrush current limiting is disclosed, wherein the NTC ceramic part has an electrical resistance in the mΩ range at a temperature of 25° C. and/or at room temperature.