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7641970 Dielectric particle aggregate comprising a surface layer of zinc titanate, low temperature sinterable dielectric ceramic composition using same  
A low temperature sinterable dielectric ceramic composition is obtained by bending 2.5-20 parts by weight of a glass component per 100 parts by weight of an aggregate of dielectric particles which...
7605103 Translucent ceramic and method for manufacturing the same, and optical component and optical device  
A translucent ceramic containing a main component represented by Ba{M x B1 y B2 z } v O w (wherein B1 is a trivalent metallic element, B2 is a quintavalent metallic element, M is at least one...
7567428 Dielectric ceramic composition for low-temperature sintering and hot insulation resistance and multilayer ceramic capacitor using the same  
A dielectric ceramic composition for low-temperature sintering and hot insulation resistance (hot IR) is capable of carrying out low-temperature sintering, improving a hot IR characteristic, and...
7556792 Method for preparing perovskite complex oxide powder of formula ABO3  
Ba(OH) 2 .8H 2 O is fused by heating. The fused Ba(OH) 2 is allowed to react with TiO 2 powder having a specific surface area of 250 m 2 /g or more to prepare a cubic crystalline BaTiO 3 having...
7557055 Tunable low loss material composition  
An embodiment of the present invention provides an electronically tunable dielectric material, comprising at least one electronically tunable dielectric phase and at least one compound of low loss...
7544629 Non-lead glass for forming dielectric, glass ceramic composition for forming dielectric, dielectric, and process for producing laminated dielectric  
A non-lead glass for forming a dielectric, which consists essentially of, as represented by mol %, from 20 to 39% of SiO 2 , from 5 to 35% of B 2 O 3 , from 2 to 15% of Al 2 O 3 , from 1 to 25% of...
7528088 Electronic device  
A multilayer ceramic capacitor 1 having dielectric layers 2 having barium titanate or barium calcium titanate as a main ingredient. When the dielectric layers are barium titanate, the ratio of...
7505249 Electronic component  
The present invention aims to provide an electronic component capable of reducing the occurrence of cracks at the joining portion to a board etc. A capacitor 1 (laminated ceramic capacitor) being...
7498082 Dielectric ceramic composition having specific dispersion of diffusion depth, electronic device, and multilayer ceramic capacitor  
A dielectric ceramic composition including dielectric particles comprising a main ingredient phase having barium titanate as its main ingredient and a diffusion phase present at the periphery of...
7498285 Nonreducing dielectric ceramic, and manufacturing method and monolithic ceramic capacitor of the same  
A nonreducing dielectric ceramic comprising a (Sr, Ca)(Ti, Zr)O 3 -based perovskite principal crystal phase containing 55 mole percent or more of SrTiO 3 and whose powder CuKα X-ray diffraction...
7446068 Composition of dielectric material  
A dielectric material is provided. The dielectric material includes a main composition including a Ba 2 Ti 9 O 20 having a weight ranged from 50 to 94.9 wt %; a first sub-composition including a...
7431911 Barium titanate and production and process thereof  
The present invention provides a barium titanate having a small particle size, containing small amounts of unwanted impurities, and exhibiting excellent electric characteristics, which can be...
7431908 Coated spherical tetragonal barium titanate particles and process for producing the same  
Spherical tetragonal barium titanate particles of the present invention have a perovskite crystal structure, an average particle diameter of 0.05 to 0.5 μm, a particle size distribution σg of not...
7396790 Translucent ceramic, method for manufacturing the same, optical component, and optical device  
A translucent ceramic having a high light transmittance is provided. It contains a perovskite compound having a composition represented by a general formula: (Ba 1-s-t Sr s Ca t )(M x B1 y B2 z ) v...
7351674 Insulating ceramic composition, insulating ceramic sintered body, and mulitlayer ceramic electronic component  
An insulating ceramic composition forming insulating ceramic layers ( 3 ) stacked in a multilayer ceramic substrate ( 2 ) used in a monolithic ceramic electronic component, such as a multilayer...
7351676 Dielectric porcelain composition, multilayer ceramic capacitor, and electronic component  
A dielectric ceramic composition of the present invention includes 100 parts by mole of BaTiO 3 , x 1 parts by mole of MnO, x 2 parts by mole of Cr 2 O 3 , x 3 parts by mole of Y 2 O 3 and/or...
7297650 Method for producing low-loss tunable ceramic composites with improved breakdown strengths  
The production of low-loss, tunable composite ceramic materials with improved breakdown strengths is disclosed. The composite materials comprise ferroelectric perovskites such as barium strontium...
7294597 Translucent ceramics, process for producing the same, optical part and optical apparatus  
A translucent ceramic principally contains a composition represented by the formula Ba{Ti x1 M x2 (Mg 1-t Zn t ) y (Ta 1-u Nb u ) z } v O w , wherein M is at least one selected from the group...
7291321 Preparation of catalyst and use for high yield conversion of methane to ethylene  
A perovskite catalyst is prepared using a ceramic sol-sol methodology comprising preparing slurry in water of an alkaline earth metal salt, a powdered metal salt and a powdered transition metal...
7247590 Composite dielectric, composite dielectric sheet, composite dielectric paste, metal-layered composite dielectric, wiring board and multilayer wiring board  
The composite dielectric of the present invention contains an aromatic liquid crystal polyester and a dielectric ceramic powder arranged in the aromatic liquid crystal polyester, wherein the...
7241712 Low-temperature sintered barium titanate microwave dielectric ceramic material  
The present invention relates to a low-temperature sintered barium titanate microwave dielectric ceramic material. The host matrix thereof can be represented by Ba x Ti y M z O x+2y+k , where x is...
7223378 Preparation of barium titanate or strontium titanate having a mean diameter of less than 10 nanometers  
Process for preparing barium titanate or strontium titanate by reacting titanium alkoxides with barium hydroxide hydrate or strontium hydroxide hydrate in a C 1 –C 8 -alcohol or a glycol ether at...
7182930 Methods of fabricating barium titanate powders  
A method of fabricating barium titanate powders uses titanium tetrachloride and barium hydroxide as reactants in a reaction solution. The pH value of the reaction solution is adjusted to strongly...
7179441 Method for preparing barium-titanate based powder  
The present invention relates to a method for preparing barium titanate based powder. More particularly, the present invention provides a method for preparing barium titanate powder comprising the...
7157396 Dielectric ceramic composition and method of production and electronic device of the same  
A method of production of a reduction resistant dielectric ceramic composition having a superior low frequency dielectric characteristic and further improved in accelerated lifetime of insulation...
7151067 Porcelain composition, composite material comprising catalyst and ceramic, film reactor, method for producing synthetic gas, apparatus for producing synthetic gas and method for activating catalyst  
A porous catalyst layer containing mixed conducting oxide having substantially a perovskite structure and containing a first element selected from Co and Fe, and a second element selected from In,...
7147835 Oxide powder for dielectrics, method of manufacturing oxide powder for dielectrics, and multi-layer ceramic capacitor using the same  
Disclosed herein is a small particle oxide powder for dielectrics. The oxide powder has a perovskite structure, an average particle diameter [D50(μm)] of 0.3 μm or less, a particle size...
7149073 Electroceramic component  
An electroceramic component includes a base body, contact layers on the base body, a dielectric layer in the base body that includes a single-phase perovskite ceramic having a composition of Ag(Nb...
7105145 Method of producing ferroelectric metal oxide crystalline particles  
Ferroelectric metal oxide crystalline particles are produced by first producing nanoparticles of a ferroelectric metal oxide and dispersing the nanoparticles in a gas phase. Then, the nanoparticles...
7090785 Electromechanical actuators  
A perovskite compound of the formula, (Na 1/2 Bi 1/2 ) 1-x M x (Ti 1-y M′ y )O 3±z , where M is one or more of Ca, Sr, Ba, Pb, Y, La, Pr, Nd, Sm, Eu, Gd, Th, Dy, Ho, Er, Tm, Yb and Lu; and M′...
7091154 Perovskite titanium-type composite oxide particle and production process thereof  
A perovskite titanium-containing composite oxide particle having a composition represented by general formula (I), where the specific surface area is about 10 to about 200 m 2 /g, the specific...
7087545 Low-fire high-permittivity dielecric compositions  
A dielectric composition that can be fired at a temperature of below 900° C. The dielectric composition has a dielectric constant of 25–35 and a quality factor (Qxf) of 6,000–20,000 GHz. The...
7061748 Multilayer ceramic capacitor  
A multilayer ceramic capacitor containing dielectric layers, in which each of the dielectric layers has a main component containing barium titanate, a first auxiliary component containing at least...
7056443 Piezoelectric ceramic production method and piezoelectric element production method  
A multilayer piezoelectric element 2 comprising an element body 10 wherein piezoelectric layers 8 and internal electrode layers 4 and 6 are alternately stacked. The piezoelectric layer 8...
7057876 Multilayer ceramic capacitor and manufacturing method thereof  
A multilayer ceramic capacitor comprises a dielectric layer and an internal electrode layer that are alternately laminated. Barium titanate particles containing an alkaline earth metal component...
7053019 Dielectric material compositions with high dielectric constant and low dielectric loss  
A new dielectric material composition with high dielectric constant and low dielectric loss, which includes a quaternary metallic oxide having a pervoskite structure and represented by a general...
7025824 Ceramic material and process for manufacturing  
A chemically bonded ceramic material based on calcium aluminate hydrate with additives of primarily calcium titanate, but also chemically similar compounds. The material is a biocompatible material...
7009330 Composition of plasma display panel  
A composition of a plasma display panel (PDP) is disclosed. In order to effectively reduce a jitter, the composition contains a ferroelectric transparent ceramics material.
7006345 Multilayer ceramic capacitor and its production method  
The invention aims to provide a multilayer ceramic capacitor with high dielectric constant, a high capacitance, and an excellent reliability by eliminating oxygen vacancy in dielectric layers and...
7001585 Method of making barium titanate  
The present invention provides a method of making barium titanate powder. The method includes adding barium acetate to a solution of oxalic acid and titanium oxychloride to form barium titanyl...
6995968 Dielectric ceramic compositions and electronic devices  
In order to provide dielectric ceramic composition having low IR defect rate and high relative dielectric constant even when the multilayer ceramic capacitor is made thinner, dielectric ceramic...
6960546 Dielectric composite materials including an electronically tunable dielectric phase and a calcium and oxygen-containing compound phase  
Dielectric composite materials including an electronically tunable dielectric phase and a calcium and oxygen-containing compound are disclosed. The tunable phase may comprise a material such as...
6949487 Dielectric ceramic composition  
It is an object of the invention to provide a dielectric ceramic composition which enables its firing temperature to be lowered and which has an excellent electrical properties, particularly...
6939822 Dielectric ceramic, methods for making and evaluating the same, and monolithic ceramic electronic component  
A dielectric ceramic has a ceramic structure of crystal grains and grain boundaries between the crystal grains. The crystal grains are of a main component represented by the formula ABO 3 and an...
6905995 Ceramic powder and multilayer ceramic device  
A ceramic powder including ceramic main component particles and additive component particles deposited on the surfaces of the main component particles. The mean particle size of the main component...
6905989 Tunable dielectric compositions including low loss glass  
Tunable dielectric materials including an electronically tunable dielectric ceramic and a low loss glass additive are disclosed. The tunable dielectric may comprise a ferroelectric perskovite...
6905649 High-density barium titanate of high permittivity  
A nano-sized powder of barium titanate is compacted and sintered by spark plasma sintering under conditions creating a high heating rate to achieve a densified material that demonstrates superior...
6875528 Ceramic composition, composite material, composite material production method, porous body, oxygen separator, and chemical reactor  
A ceramic composite with a mixed conducting oxide that has perovskite type crystal structure of {Ln 1−a A a }{B x B′ y B″ z }O (3−δ) where a, x, y, and z are within the range of...
6842329 Ceramic mass and a capacitor having the ceramic mass  
A ceramic mass has a phase-heterogeneous ceramic of m weight percent of a phase composed of BaNd 2 Ti 4 O 12 with negative temperature coefficient of the dielectric constant and 100-m weight...
6835684 Ceramic material and the production thereof  
A ceramic material with a sintering temperature below 1000° C. and a Perovskite Structure with the general stoichiometric composition A′ 1-x-y A″ x B′ 1-a-b B″ a B′″ b O 3 whereby...
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