Class / Patent application number | Description | Number of patent applications / Date published |
501136000 | Titanate containing | 89 |
20080227622 | Dielectric Porcelain Composition for Use in Electronic Devices - The invention intends to provide a dielectric porcelain composition for use in electronic devices, which has the dielectric characteristics such that the Qf value is high, the temperature coefficient τf of a resonant frequency is small and a value thereof can be controlled in a wide range in positive and negative directions in the vicinity where the relative dielectric constant εr is 39. According to the invention, when, in La—Pr—Al—Ga—Sr—Ti-based oxide dielectric porcelain, contents of the respective elements are limited to be within particular ranges and Sr is partially substituted by Ca, a structure having a (1-x)(La | 09-18-2008 |
20080269043 | Ceramic Insulating Material and Sensor Element Containing a Ceramic Insulating Material - A ceramic insulating material, in particular for sensor elements for determining the concentration of gas components in gas mixtures, is based on an alkaline earth-containing ceramic. The insulating material contains a hexaaluminate of the alkaline earth metal and at least one mixed compound of the alkaline earth metal with an acid oxide, the molar ratio of hexaaluminate to the sum of mixed compounds in the insulating material being 1.3 to 4.0. | 10-30-2008 |
20090048090 | SINGLE CRYSTAL MATERIAL AND PROCESS FOR PRODUCING THE SAME - The invention intends to provide a single crystal material that can be used as a dielectric material for use in electronic devices, which has a high Qf value; and a process for producing the same. According to the invention, a single crystal of a composite oxide is obtained from a composition in which a slight amount of SrTiO | 02-19-2009 |
20090088314 | Dielectric ceramic composition - A dielectric ceramic composition comprising forsterite in an amount of 93.0 to 99.0 mol % when calculating in terms of 2MgO—SiO | 04-02-2009 |
20090124483 | METAL COMPOUND DOTS DIELECTRIC PIECE - A dielectric piece includes an energy barrier layer and a plurality of crystalline metal compound dots distributed in the energy barrier layer. The material of the crystalline metal compound dots is different from that of the energy barrier layer. Due to its capability of retaining charges, the dielectric piece of the present invention meets the requirements of semiconductor devices in this and the next generation so as to be applied to complementary metal oxide semiconductors (CMOS), non-volatile memory devices, or capacitors as inter-gate dielectric layers, charge storage layers, or dielectric layers of capacitors. | 05-14-2009 |
20100009841 | LEAD-FREE FERROELECTRIC/ELECTROSTRICTIVE CERAMIC MATERIAL - A ceramic composition comprising a binary system solid solution represented by the formulae: (1-x)(Sr | 01-14-2010 |
20100167908 | DIELECTRIC PORCELAIN COMPOSITION FOR USE IN ELECTRONIC DEVICES - The invention intends to provide a dielectric porcelain composition for use in electronic devices, in which the relative dielectric constant εr is high, the Qf value is high and, the temperature coefficient τf can be controlled while maintaining the temperature coefficient τf at the resonant frequency small and the Qf value high. According to the invention, when, in an LnAlO | 07-01-2010 |
20100298114 | PROCESS FOR PRODUCING ALUMINUM TITANATE-BASED CERAMICS - The invention is for obtaining aluminium titanate-based ceramics having a small BET specific surface area and having, when ground into powder, a small pore volume, by effective utilization of particulate aluminium titanate-based ceramics. A pre-mixture prepared by mixing a particulate aluminium titanate-based ceramics with a titania source and an alumina source and optionally further with a magnesia source and a silica source, or particulates of aluminium titanate-based ceramics is, as such or preferably after shaped, fired as the powder or as the molded body to produce an aluminium titanate-based ceramics. | 11-25-2010 |
20100317508 | PROCESS FOR PRODUCING ALUMINUM TITANATE CERAMICS - The invention is to provide a process for producing an aluminium titanate ceramic by firing a pre-mixture of a titania source powder, an alumina source powder and a magnesia source powder, for a short period of time. The production process of the invention comprises mixing a titania source powder and an alumina source powder followed by dry process grinding in the presence of grinding media under a grinding condition of an acceleration of at least 2G to give a pre-mixture, and firing the resulting pre-mixture. The titania source powder and the alumina source powder may be mixed together with a magnesia source powder and a silica source powder. Preferably, a vibration mill is used for the grinding. Grinding the aluminium titanate ceramic produced according to the production process of the invention gives an aluminium titanate ceramic powder. | 12-16-2010 |
20100323876 | NONCRYSTALLINE COMPOSITE ALKALI METAL TITANATE COMPOSITION AND FRICTION MATERIAL - A noncrystalline composite alkali metal titanate composition which is chemically stable, outstanding in resistance to hygroscopicity and suited as base materials for friction materials. The said composition comprises at least 60 wt. % of an alkali metal titanate represented by the general formula M | 12-23-2010 |
20110053759 | HIGH DIELECTRIC CONSTANT PASTE COMPOSITION AND DIELECTRIC COMPOSITION USING THE SAME - The present invention relates to a high dielectric constant paste composition comprising (A) inorganic particles having a perovskite crystal structure or a complex perovskite crystal structure, (B) a compound represented by any one of the general formulas (1) to (4) shown below, and (C) an organic solvent. The present invention provides a high dielectric constant paste composition for producing a high dielectric constant dielectric composition which has high insulation reliability and exhibits satisfactory resistance in a high-temperature high-humidity bias test. | 03-03-2011 |
20110077143 | PROCESS FOR PRODUCING ALUMINUM MAGNESIUM TITANATE - The invention is to provide a process capable of producing aluminium magnesium titanate having a small coefficient of thermal expansion at a firing temperature lower than 1500° C. The production process of the invention comprises maintaining a pre-mixture containing a titania source powder, an alumina source powder, a magnesia source powder and a silica source powder within a temperature range of from 1100° C. to 1350° C. for at least 3 hours, followed by heating up to a temperature not lower than 1400° C. and firing at the temperature. The silica source powder is preferably a powder of alkali feldspar. Aluminium magnesium titanate is prepared according to the production process of the invention, and the resulting aluminium magnesium titanate is ground to give an aluminium magnesium titanate powder. | 03-31-2011 |
20110130267 | Process to Produce Fine Ceramic Powder through a Chemical Reactor with Powder Collection Device - The present invention is related to producing fine nano or submicron-scale precision ceramic powder by applying an innovative chemical reactor with powder collection to the glycine-nitrate combustion process (GNC-P). The unique feature lies in the utilization of a simple-operating process to massively produce nano or submicron-scale ceramic oxide powder with multiple metal components. The present invention not only provides very high powder collection efficiency and production yield as well as safety but also satisfies requirements of industrial safety and environmental safety, and lowers production cost. | 06-02-2011 |
20120094824 | ALUMINUM TITANATE-BASED CERAMICS - The invention is to provide an aluminum titanate-based ceramics showing a good mechanical strength. The invention is an aluminum titanate-based ceramics obtained by firing a starting material mixture which contains a titanium element and an aluminum element, and further contains a chromium element and/or a tungsten element. Preferably, a content of a chromium source which contains the chromium element is from 0.001 to 5 parts by mass, and a content of a tungsten source which contains the tungsten element is from 0.001 to 1.0 part by mass relative to 100 parts by mass of the starting material mixture. | 04-19-2012 |
20120329634 | COLUMNAR ALUMINUM TITANATE AND METHOD FOR PRODUCING SAME - Provided are aluminum titanate capable of providing a sintered body having a low coefficient of thermal expansion, a high porosity, and high mechanical strength, a production method of the same, and a sintered body of the columnar aluminum titanate. The columnar aluminum titanate has an average aspect ratio (=(number average major-axis length)/(number average minor-axis length)) of 1.5 or more and its magnesium content is preferably within the range of 0.5% to 2.0% by weight relative to the total amount of titanium and aluminum in terms of their respective oxides. | 12-27-2012 |
20130210608 | CORDIERITE ALUMINUM MAGNESIUM TITANATE COMPOSITIONS AND CERAMIC ARTICLES COMPRISING SAME - Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same. | 08-15-2013 |
20140309100 | PROCESS FOR PREPARING CERAMIC POWDERS IN THE PRESENCE OF A SOURCE OF CARBON, POWDERS THUS OBTAINED AND THEIR USE - A method for preparing ceramic powders in the presence of a carbon powder including a step which consists in homogenizing a mixture of particles capable of resulting in a ceramic by heat treatment. Said method can be carried out in the presence of an accelerated solvent and provides, at reduced energy consumption, carbon-coated ceramic powders and then ceramics. | 10-16-2014 |
20160002114 | DIELECTRIC CERAMIC COMPOSITION AND COMPOSITE CERAMIC STRUCTURE - Strontium titanate (SrTiO | 01-07-2016 |
20180022650 | Low-K And Mid-K LTCC Dielectric Compositions And Devices | 01-25-2018 |
501137000 | Barium titanate | 70 |
20080200327 | BARIUM TITANATE SINGLE CRYSTAL AND PREPARATION METHOD THEREOF - The present invention provides a method of producing the barium titanate solid solution single crystals. The crystalline phase of the single crystal is hexagonal. The method of the present invention, a small quantity of metal oxide is added and dissolved into the barium titanate to form a solid solution. The metal oxides are used as single crystal growth aid; and the barium titanate single crystal can be prepared by using a pressureless sintering process composing of one or two stages of heat treatments that require no special expensive equipments, and thus the method can be used for the mass production of the single crystals. | 08-21-2008 |
20080220964 | Ceramic material powder, method of production thereof, dielectric ceramic composition, electronic device, and multilayer ceramic capacitor - A ceramic material powder comprised of main ingredient particles formed by barium titanate having on their surfaces a covering layer comprised of a secondary ingredient additive, wherein when an average radius of the main ingredient particles is “r” and an average radius of the covering layer is “Δr”, the Δr is controlled to a range of 0.015 r to 0.055 r, thereby enabling acquisition of a multilayer ceramic capacitor or other electronic device satisfying both the X7R characteristic prescribed in the EIAJ standard and B characteristic prescribed in the Japan Industrial Standard (JIS), that is, excellent in temperature stability of the electrostatic capacity, having a good insulation resistance value, relative dielectric constant, or other characteristics, and having a long accelerated life of the insulation resistance. | 09-11-2008 |
20080227623 | BaTiO3 - PbTiO3 SERIES SINGLE CRYSTAL AND METHOD OF MANUFACTURING THE SAME, PIEZOELECTRIC TYPE ACTUATOR AND LIQUID DISCHARGE HEAD USING SUCH PIEZOELECTRIC TYPE ACTUATOR | 09-18-2008 |
20080254968 | Dielectric ceramic composition, complex electronic device and multilayer ceramic capacitor - The present invention relates to a dielectric ceramic composition comprising a main component including at least one selected from barium titanate, strontium titanate and calcium titanate, and as a subcomponent, a glass component including an oxide of B, wherein a content of said glass component is 2 to 7 wt % with respect to 100 wt % of said main component. According to the present invention, there are provided a dielectric ceramic composition wherein a layer can be made thinner by relatively decreasing a content of the glass component, etc., as well as having good properties (specific permittivity, loss Q value and insulation resistance), and a complex electronic device such as a multilayer filter or a multilayer ceramic capacitor, which has a dielectric layer composed of the dielectric ceramic composition. | 10-16-2008 |
20080293560 | Ceramic electronic device and the production method - A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of Ba | 11-27-2008 |
20080305944 | DIELECTRIC CERAMICS AND MANUFACTURING METHOD THEREOF, AS WELL AS MULTILAYER CERAMIC CAPACITOR - Dielectric ceramics capable of decreasing the displacement causing ringing and a multi-layer ceramic capacitor capable of decreasing occurrence of ringing in which the dielectric ceramics comprise a solid solution represented by: | 12-11-2008 |
20090011922 | CERAMIC ANTENNA MODULE AND METHODS OF MANUFACTURE THEREOF - Circuit modules and methods of construction thereof that contain composite meta-material dielectric bodies that have high effective values of real permittivity but which minimize reflective losses, through the use of host dielectric (organic or ceramic), materials having relative permittivities substantially less than ceramic dielectric inclusions embedded therein. The composite meta-material bodies permit reductions in physical lengths of electrically conducting elements such as antenna element(s) without adversely impacting radiation efficiency. The meta-material structure may additionally provide frequency band filtering functions that would normally be provided by other components typically found in an RF front-end. | 01-08-2009 |
20090036293 | SEMICONDUCTOR CERAMIC COMPOSITION - It is intended to provide a semiconductor ceramic composition containing no Pb, which is capable of shifting the Curie temperate to a positive direction as well as of controlling room temperature resistivity and having an excellent jump characteristic. Since the semiconductor ceramic composition in which a portion of Ba of BaTiO | 02-05-2009 |
20090149312 | Dielectric ceramic composition and electric device - A dielectric ceramic composition of the present invention comprises; Ba | 06-11-2009 |
20100004116 | WATER-BASED RARE EARTH METAL COMPOUND SOL, MANUFACTURING METHOD THEREOF, AND METHOD FOR MANUFACTURING CERAMIC POWDER USING THE SAME - A particulate subcomponent for a barium titanate dielectric is obtained from a sol in which a rare earth metal compound is dispersed in water. The rare earth metal compound includes a carboxylic acid having at least three carbonyl groups and at least one rare earth metal which can be Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu so that the molar ratio (carbonyl group/rare earth metal) is in the range of 1.2 to 3. A method of making the sol and a method of using the sol to make a ceramic powder is described. | 01-07-2010 |
20100035748 | Dielectric ceramic composition and an electronic component - A dielectric ceramic composition of the invention comprises a main component expressed in a compositional formula of (Ba | 02-11-2010 |
20100081559 | FERROELECTRIC CERAMIC MATERIAL - Provided is a ferroelectric ceramic material containing BaTiO | 04-01-2010 |
20100216627 | METHOD OF MAKING MIXED METAL OXIDE CERAMICS - A method of making dielectric ceramics containing mixed metal oxides is provided. The method comprises the steps of at least partially coating a metal oxide powder with a metal hydroxide or metal oxide, compacting the coated powder with one or more additional metal compounds or metal compound precursors, and directly sintering the compact in a single step. The method of the invention may be used to avoid occurrence of significant quantities of one or more undesired but thermodynamically or kinetically favored side products. The method of the invention may also be used to synthesize perovskites, in particular lead-magnesium-niobium (PMN), lead-magnesium-niobium-lead-titanium (PMN-PT) perovskites, or lead zirconate titanate (PZT). | 08-26-2010 |
20100267546 | HYDROTHERMAL PROCESSING IN THE WET-CHEMICAL PREPARATION OF MIXED METAL OXIDE CERAMIC POWDERS - A method of forming at least partially crystalline ceramic powder includes providing mixed metal oxide particles in an aqueous suspension in a hydrothermal treatment vessel, heating the aqueous suspension at a temperature of at least 150° C. at a treatment pressure of at least 200 psi, and adding an aqueous solution having a temperature of not greater than 100° C. to the hydrothermal treatment vessel while heating and while releasing steam from the hydrothermal treatment vessel. | 10-21-2010 |
20100279847 | SEMICONDUCTOR CERAMIC COMPOSITION - There is provided a semiconductor ceramic composition in which a part of Ba of BaTiO | 11-04-2010 |
20110015054 | METHOD FOR PRODUCING CERAMIC NANOPARTICLES - The invention provides a method for producing ceramic nanoparticles, which comprises hydrolyzing a ceramic material in a thin film fluid formed between processing surfaces arranged to be opposite to each other so as to be able to approach to and separate from each other, at least one of which rotates relative to the other. | 01-20-2011 |
20110059838 | DIELECTRIC CERAMIC COMPOSITION - Dielectric ceramic composition comprising a barium titanate including barium titanate having hexagonal structure as a main component, and an element “M”, an effective ionic radius of the “M” is within ±20% with respect to an effective ionic radius of 12-coordinated Ba | 03-10-2011 |
20110111947 | DIELECTRIC CERAMIC COMPOSITION AND ELECTRONIC COMPONENT - The disclosed is a dielectric ceramic composition in which dielectric particles | 05-12-2011 |
20110143911 | SPINEL OPTOCERAMICS - A transparent, polycrystalline ceramic is described. The ceramic comprises crystallites of the formula A | 06-16-2011 |
20110143912 | COLORED SPINEL OPTOCERAMICS - A transparent, polycrystalline ceramic is described. The ceramic comprises crystallites of the formula A | 06-16-2011 |
20110263411 | DIELECTRIC CERAMIC MATERIALS AND ASSOCIATED METHODS - Ceramic dielectric materials that can be utilized as electronic components, such as dielectric resonators are disclosed. The material can have a formula Ba | 10-27-2011 |
20110281717 | DIELECTRIC MATERIALS - A dielectric material is provided. The material includes Ca | 11-17-2011 |
20110287925 | METHOD OF PREPARING CERAMIC POWDERS USING AMMONIUM OXALATE - Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and an ammonium oxalate precipitant can be used in a coprecipitation procedure for the preparation of ceramic powders. Both the precursor solution and the ammonium oxalate precipitant solution are at neutral or near-neutral pH. A composition-modified barium titanate is one of the ceramic powders that can be produced. Certain metal-ion chelates can be prepared from 2-hydroxypropanoic acid and ammonium hydroxide. | 11-24-2011 |
20120172194 | DIELECTRIC CERAMIC AND METHOD OF MANUFACTURING THE SAME - A method for manufacturing a dielectric ceramic, the method including: combining a ferroelectric compound having a perovskite structure and a halide to provide a mixture; heat treating the mixture; and removing the halide from the heat treated mixture to manufacture the dielectric ceramic. | 07-05-2012 |
20120245016 | HIGH DIELECTRIC CONSTANT COMPOSITE MATERIALS AND METHODS OF MANUFACTURE - The present invention relates to composite materials with a high dielectric constant and high dielectric strength and to methods of producing the composite materials. The composite materials have high dielectric constants at a range of high frequencies and possess robust mechanical properties and strengths, such that they may be machined to a variety of configurations. The composite materials also have high dielectric strengths for operation in high power and high energy density systems. In one embodiment, the composite material is composed of a trimodal distribution of ceramic particles, including barium titanate, barium strontium titanate (BST), or combinations thereof and a polymer binder. | 09-27-2012 |
20120329635 | NOVEL ENHANCED HIGH Q MATERIAL COMPOSITIONS AND METHODS OF PREPARING SAME - A framework for developing high quality factor (Q) material for electronic applications in the radio frequency range is provided. In one implementation, ceramic materials having a tungsten bronze crystal structure is modified by substituting one or more elements at one or more lattice sites on the crystal structure. The substitute elements are selected based on the ionic radius and other factors. In other implementations, the modified ceramic material is prepared in combination with compositions such as rutile or a perovskite to form a orthorhombic hybrid of perovskite and tetragonal tungsten bronze. | 12-27-2012 |
20140135203 | DIELECTRIC COMPOSITION AND PREPARATION METHOD THEREOF - There are provided a dielectric composition and a preparation method thereof, the dielectric composition including: a first perovskite powder for a core represented by ABO | 05-15-2014 |
20140378295 | AMORPHOUS DIELECTRIC FILM AND ELECTRONIC COMPONENT - The present invention aims to provide an amorphous dielectric film and an electronic component in which the relative permittivity and the temperature coefficient of electrostatic capacitance can be maintained and the withstand voltage can be increased even if the dielectric film is further thinned. The amorphous dielectric film of the present invention is characterized in that it is a dielectric film composed of an amorphous composition with A-B—O as the main component, wherein A contains at least two elements selected from the group consisting of Ba, Ca and Sr, and B contains Zr. When the main component of the dielectric film is represented by (Ba | 12-25-2014 |
20150094199 | MULTI-METAL OXIDE CERAMIC NANOMATERIAL - A convenient and versatile method for preparing complex metal oxides is disclosed. The method uses a low temperature, environmentally friendly gel-collection method to form a single phase nanomaterial. In one embodiment, the nanomaterial consists of Ba | 04-02-2015 |
20150111719 | DIELECTRIC CERAMIC MATERIAL - A dielectric ceramic material includes the composite ceramic powder of BaTiO | 04-23-2015 |
20160023954 | METHOD OF PREPARING CERAMIC POWDERS - A method of forming composition-modified barium titanate ceramic particulate includes mixing a plurality of precursor materials and a precipitant solution to form an aqueous suspension. The plurality of precursors include barium nitrate, titanium chelate, and a metal or oxometal chelate. The precipitant solution includes tetraalkylammonium hydroxide and tetraalkylammonium oxalate. The method further includes treating the aqueous suspension at a temperature of at least 150° C. and a pressure of at least 200 psi, and separating particulate from the aqueous suspension after treating. | 01-28-2016 |
20160053039 | BINDER FOR MANUFACTURING INORGANIC SINTERED BODY - The present invention provides a binder for manufacturing an inorganic sintered body that has excellent adhesiveness upon heat pressing and thermal decomposability and, especially when used as a binder for a ceramic green sheet, provides a ceramic green sheet having sufficient mechanical strength and flexibility. The present invention also provides a paste for manufacturing an inorganic sintered body, a ceramic green sheet, and a ceramic laminate individually manufactured using the binder for manufacturing an inorganic sintered body. The present invention provides a binder for manufacturing an inorganic sintered body containing a graft copolymer having a unit including polyvinyl butyral and a unit including a poly(meth)acrylic compound, the polyvinyl butyral having a polymerization degree of 800 to 5000, a hydroxy group content of 20 to 40 mol %, and a butyralization degree of 60 to 80 mol %, the unit including a poly(meth)acrylic compound having a glass transition temperature of 0 to 110° C. | 02-25-2016 |
20160251266 | DIELECTRIC CERAMIC MATERIAL | 09-01-2016 |
20220135488 | CERAMIC GREEN SHEET LAMINATION AID AND CERAMIC GREEN SHEET COMPOSITION - (Object) An object is to suppress the peeling and lamination misalignment of ceramic green sheets without deteriorating the sheet strength. | 05-05-2022 |
501138000 | And divalent metal oxide other than alkaline earth oxide or magnesium oxide | 23 |
20080242532 | DIELECTRIC CERAMICS AND MULTI-LAYER CERAMIC CAPACITOR - A multi-layer ceramic capacitor having temperature characteristics capable of satisfying X8R characteristics and having a high specific resistance in a high temperature environment and dielectric ceramics used in the capacitor, the dielectric ceramics containing, as a main ingredient, a compound represented by: | 10-02-2008 |
20090011923 | DIELECTRIC PORCELAIN COMPOSITION AND ELECTRONIC COMPONENT - The present invention provides a dielectric porcelain composition comprising 100 parts by weight of a barium titanate-based dielectric material and 4 to 10 parts by weight in total of Bi | 01-08-2009 |
20090082192 | Dielectric ceramic composition, electronic device, and multilayer ceramic capacitor - A dielectric ceramic composition comprised of at least dielectric particles having barium titanate as its main ingredient, wherein the ratio of dielectric particles having a surface diffusion structure comprised of a main ingredient phase comprised of the main ingredient and a diffusion phase present around the main ingredient phase with respect to said dielectric particles is 60% or more and the ratio of dielectric particles having a domain in the main ingredient phase with respect to the dielectric particles having the surface diffusion structure is 20% or less. According to the present invention, a dielectric ceramic composition and electronic device realizing good high temperature accelerated life can be provided. | 03-26-2009 |
20090105064 | SEMICONDUCTOR CERAMIC COMPOSITION AND METHOD FOR PRODUCING THE SAME - To provide a semiconductor ceramic composition containing no Pb in which a part of Ba in BaTiO | 04-23-2009 |
20090253571 | Composite oxide particles and production method thereof - The invention intends to provide a precursor material for manufacturing dielectric fine particles, typically barium titanate particles, having uniform particle diameter and particle characteristics, and manufacturing method thereof. The composite oxide particles according to the present invention, which is the precursor material for barium titanate particles, substantially consists of 75 to 25 mol % barium titanate phase and 25 to 75 mol % titanium dioxide phase, and is produced by heat treating a mixed powder consisting of 100 mol % titanium dioxide particles and 25 to 75 mol % barium compound particles at 500° C. or more and less than 900° C. | 10-08-2009 |
20090264276 | Production method of dielectric particles - A method of producing fine and uniform barium titanate particles having high crystallinity by performing a heat treatment on titanium dioxide and barium carbonate having a specific surface area of at least 20 m | 10-22-2009 |
20100022382 | DIELECTRIC COMPOSITION AND CERAMIC ELECTRONIC COMPONENT MANUFACTURED THEREFROM - 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. | 01-28-2010 |
20100035749 | Dielectric Thin Film Composition Showing Linear Dielectric Properties - The present invention relates to a dielectric thin film composition showing linear dielectric properties, in which tin oxides (SnO | 02-11-2010 |
20100120606 | LOW DIELECTRIC LOSS CERAMIC FERROELECTRIC COMPOSITE MATERIAL - The invention relates to the technology of the production of ceramic ferroelectric composite materials, and it can be used in the electronics industry for the production of the broad class of elements and instruments of electronic engineering controlled by an applied electric field. | 05-13-2010 |
20100120607 | Glass-Free Microwave Dielectric Ceramics and the Manufacturing Method Thereof - A glass-free microwave dielectric ceramic that can be sintered at low temperature, and a manufacturing method thereof are provided. The glass-free microwave dielectric ceramic composition includes a composition represented by a formula, M | 05-13-2010 |
20100204034 | DIELECTRIC CERAMIC COMPOSITION AND ELECTRONIC COMPONENT - The dielectric ceramic composition comprising a main component including a compound satisfying a compositional formula of (Sr | 08-12-2010 |
20100248937 | MATERIALS COMPRISING BARIUM ZIRCONATE AND METHODS FOR MANUFACTURING THEREOF - A method for manufacturing barium zirconate particles includes providing a mixture of materials that includes barium, zirconium and a sintering aid, wherein the sintering aid includes at least one of barium tungstate, potassium niobate, tungsten oxide, barium molybdate, molybdenum oxide, potassium tantalate, potassium oxide, sodium niobate, sodium tantalate, sodium oxide, lithium niobate, lithium tantalate, lithium oxide, copper oxide, manganese oxide, zinc oxide, calcium zirconate and strontium zirconate; and heating the mixture of materials to produce barium zirconate particles that include the sintering aid. | 09-30-2010 |
20100285947 | Method of Preparing Ceramic Powders - A method of forming composition-modified barium titanate ceramic particulate includes mixing a plurality of precursor materials and a precipitant solution to form an aqueous suspension. The plurality of precursors include barium nitrate, titanium chelate, and a metal or oxometal chelate. The precipitant solution includes tetraalkylammonium hydroxide and tetraalkylammonium oxalate. The method further includes treating the aqueous suspension at a temperature of at least 150° C. and a pressure of at least 200 psi, and separating particulate from the aqueous suspension after treating. | 11-11-2010 |
20100311564 | Dielectric Oxide Films and Method for Making Same - Dielectric oxide materials prepared by producing a sol from a mixture of a metal oxide precursor, a solvent, and an epoxide, and preparing a metal oxide material from the sol. In various versions, the mixture can also include a cosolvent, one or more additional metal oxide precursors, water, or a precursor to a glassforming oxide, or any combination thereof. The prepared dielectric oxide materials can be in the form of thin films having high κ values, low electrical leakage, and low dielectric loss tangent values. | 12-09-2010 |
20100323877 | SEMICONDUCTOR PORCELAIN COMPOSITION - The invention intends to provide, in BaTiO | 12-23-2010 |
20110118104 | DIELECTRIC CERAMIC COMPOSITION - A purpose of the present invention is to provide a dielectric ceramic composition which is available to obtain a multilayer ceramic capacitor having a high specific permittivity and a small temperature change of capacitance. | 05-19-2011 |
20110130268 | DIELECTRIC CERAMIC COMPOSITION - A dielectric ceramic composition is disclosed. The dielectric ceramic composition of the present invention comprises BaTiO | 06-02-2011 |
20110152060 | METHOD OF PREPARING CERAMIC POWDERS USING CHELATE PRECURSORS - Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and the use of a nonmetal-ion-containing strong base can be used in a coprecipitation procedure for the preparation of ceramic powders. Examples of the precipitants used include tetraalkylammonium hydroxides. A composition-modified barium titanate is one of the ceramic powders that can be produced. Certain metal-ion chelates can be prepared from 2-hydroxypropanoic acid and ammonium hydroxide. | 06-23-2011 |
20110195835 | DIELECTRIC CERAMIC COMPOSITION AND ELECTRONIC DEVICE - A dielectric ceramic composition comprising a main component expressed by a general formula (Ba | 08-11-2011 |
20110245066 | DIELECTRIC CERAMIC, METHOD FOR PRODUCING DIELECTRIC CERAMIC, AND METHOD FOR PRODUCING POWDER FOR PRODUCING DIELECTRIC CERAMIC - A dielectric ceramic includes a main component and a minor component. The main component includes a BaTi | 10-06-2011 |
20110281718 | DIELECTRIC MATERIALS - A dielectric material is provided. The material includes α[Ca | 11-17-2011 |
20120270720 | DIELECTRIC CERAMIC-FORMING COMPOSITION AND DIELECTRIC CERAMIC MATERIAL - A dielectric ceramic-forming composition comprising a perovskite (ABO | 10-25-2012 |
20140171289 | VOLTAGE NONLINEAR RESISTOR CERAMIC COMPOSITION AND ELECTRONIC COMPONENT - A voltage nonlinear resistor ceramic composition comprises zinc oxide, with respect to 100 mol of said zinc oxide, 0.30 to 10 mol of Co oxide in terms of Co, 0.10 to 10 mol of R oxide (note that R is at least one selected from a group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu) in terms of R, 0.10 to 5 mol of Cr oxide in terms of Cr, 0.10 to 5 mol of oxide of at least one selected from Ca and Sr respectively in terms of Ca or Sr, 0.0005 to 5 mol of oxide of at least one selected from Al, Ga and In respectively in terms of Al, Ga or In, and 0.10 to 5 mol of barium titanate in terms of BaTiO | 06-19-2014 |
501139000 | And trivalent metal oxide | 13 |
20090088315 | Dielectric ceramic composition and an electric device - The present invention relates to a dielectric ceramic composition comprising BaTiO | 04-02-2009 |
20100029464 | Dielectric ceramic composition and electronic device - The present invention relates to a dielectric ceramic composition comprising
| 02-04-2010 |
20100331169 | FUSED QUARTZ HORIZONTAL FURNACE AND ASSEMBLY - A furnace assembly includes first and second sections. The first section includes first and seconds ends, a first joint disposed at the first end, a conical portion at a second end, a first filter disposed between the first and second ends, and a lumen extending through the first section in fluid communication with the first filter. The second section includes first and second ends, a second joint disposed at the first end, an opening disposed at the second end and to receive the conical portion of the first section, a second filter disposed between the first and second ends, and a lumen extending through the second section in fluid communication with the second filter. When engaged, the first and second sections form a chamber between the first and second filters. The chamber is in fluid communication with the respective first ends of the first and second sections. | 12-30-2010 |
20110183834 | MODIFIED PEROVSKITE TYPE COMPOSITE OXIDE, METHOD FOR PREPARING THE SAME, AND COMPOSITE DIELECTRIC MATERIAL - Provided is a modified perovskite type composite oxide in which the dielectric characteristics are equal to or better than those prior to modification, there is no substantial elution of coating components from the modifying coating components, and elution of the A-site metals is suppressed effectively, while the cracking traits are good. A modified perovskite type composite oxide in which the particle surface of a perovskite type composite oxide is firstly coated with at least one selected from a group consisting of TiO | 07-28-2011 |
20110201491 | Dielectric Ceramic, and Resonator Using the Same - Provided is a dielectric ceramic containing yttrium, manganese, and aluminum, and having a composition formula expressed by αBaO.βNd | 08-18-2011 |
20120083402 | HEXAGONAL TYPE BARIUM TITANATE POWDER, PRODUCING METHOD THEREOF, DIELECTRIC CERAMIC COMPOSITION, ELECTRONIC COMPONENT, AND PRODUCING METHOD OF THE ELECTRONIC COMPONENT - A hexagonal type barium titanate powder comprising barium titanate as a main component shown by a generic formula of (Ba | 04-05-2012 |
20120252657 | DIELECTRIC CERAMIC COMPOSITION AND CERAMIC ELECTRONIC DEVICE - A dielectric ceramic composition comprises barium titanate as a main component, and as subcomponents, 1.00 to 2.50 moles of an oxide of Mg, 0.01 to 0.20 mole of an oxide of Mn and/or Cr, 0.03 to 0.15 mole of an oxide of at least one element selected from a group consisting of V, Mo and W, 0.20 to 1.50 mole of an oxide of R1 where R1 is at least one selected from a group consisting of Y and Ho, 0.20 to 1.50 mole of an oxide of R2 where R2 is at least one selected from a group consisting of Eu, Gd and Tb and 0.30 to 1.50 mole of an oxide of Si and/or B, in terms of each oxide with respect to 100 moles of the barium titanate. | 10-04-2012 |
20140005029 | METHOD OF MANUFACTURING PEROVSKITE POWDER, PEROVSKITE POWDER MANUFACTURED BY THE SAME AND MULTILAYER CERAMIC ELECTRONIC COMPONENT | 01-02-2014 |
20140336035 | INSULATOR FOR SPARK PLUG AND SPARK PLUG - An insulator for spark plug with a main constituent of alumina and containing silicon includes a grain boundary phase positioned between alumina particles. The grain boundary phase contains: a group 2A element; a rare earth element; and at least one kind of zirconium, titanium, chrome, niobium, manganese, and iron (a first element). Assuming that a total amount of the rare earth element is X (mass %), a total amount of the group 2A element is Y (mass %), and a total amount of the first element is Z (mass %), the following are met: | 11-13-2014 |
20150065332 | METHODS OF PREPARING NOVEL ENHANCED HIGH Q MATERIAL COMPOSITIONS - A framework for developing high quality factor (Q) material for electronic applications in the radio frequency range is provided. In one implementation, ceramic materials having a tungsten bronze crystal structure is modified by substituting one or more elements at one or more lattice sites on the crystal structure. The substitute elements are selected based on the ionic radius and other factors. In other implementations, the modified ceramic material is prepared in combination with compositions such as rutile or a perovskite to form a orthorhombic hybrid of perosvkite and tetragonal tungsten bronze. | 03-05-2015 |
20150348709 | DIELECTRIC CERAMIC COMPOSITION AND DIELECTRIC DEVICE - To provide a dielectric ceramic composition having a high dielectric constant, i.e., 3,000 or more, at elevated temperatures at or above 150° C. and having a practically sufficient relative dielectric constant at an applied DC electric field of 2 V/μm, and to provide a dielectric device including such a dielectric ceramic composition, a dielectric ceramic composition is a composite oxide represented by formula (1): | 12-03-2015 |
20160002113 | DIELECTRIC CERAMIC COMPOSITION AND COMPOSITE CERAMIC STRUCTURE - Barium titanate (BaTiO | 01-07-2016 |
20160049248 | DIELECTRIC CERAMIC COMPOSITION AND DIELECTRIC ELEMENT - The present invention relates to a dielectric ceramic composition which is complex oxides represented by the following formula (1), {[(Bi | 02-18-2016 |