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Alkaline earth or magnesium containing

Subclass of:

501 - Compositions: ceramic

501001000 - CERAMIC COMPOSITIONS

501134000 - Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
501136000 Titanate containing 71
Entries
DocumentTitleDate
20100105538Microwave Dielectric Ceramics And Method For Manufacturing The Same - A method for manufacturing microwave dielectric ceramics has the steps of: mixing multiple A-metal compounds and sintering multiple A-metal compounds between 1350˜1450° C. for 2˜4 hr to make a first component Ba04-29-2010
20130072373ALUMINA-BASED OPAQUE CERAMIC - The invention relates to an alumina-based opaque ceramic, similar to ruby and having a high toughness. This ceramic comprises, by weight: 0.4% to 5% of at least from one oxide of a metal chosen from chromium, cobalt, nickel, manganese, vanadium, titanium and iron; 0.00080 to 0.5% of magnesium oxide; and 0.05 to 6% of at least one oxide of an element of the group of rare earths. The ceramic is applicable in particular in jewellery, fine jewellery and watch making. The invention also relates to methods of preparing such a ceramic.03-21-2013
20090270244Low-Loss Microwave Dielectric Ceramic - There is provided a low-loss microwave dielectric ceramic having a composition represented by xCaO.yLn10-29-2009
20130165313FERROELECTRIC FILM, SOL-GEL SOLUTION, FILM FORMING METHOD AND METHOD FOR MANUFACTURING FERROELECTRIC FILM - To produce a ferroelectric film including a non-lead material. An embodiment of the present invention is a ferroelectric film characterized by being represented by (Ba06-27-2013
20090011921Dielectric Porcelain Composition and Method for Production Thereof - A dielectric porcelain composition here contains as main components BaO, Nd01-08-2009
20100120605CERAMIC MATERIAL - A material composed of a large fraction of aluminum oxide, zirconium oxide and strontium aluminate.05-13-2010
20100081558Ceramic powders and thermal barrier coatings made therefrom - This invention relates to ceramic powders comprising a zirconia-based component, e.g., yttria-stabilized zirconia, and an (alumina+silica)-based component, e.g., mullite. The ceramic powders are useful for forming thermal shock resistant coatings having the same composition, through deposition by thermal spray devices. This invention also relates to thermal barrier coating systems suitable for protecting components exposed to high temperature environments, such as the thermal environment of a gas turbine engine. This invention further relates to forming free-standing solid ceramic articles.04-01-2010
20090170686CRYSTALLOGRAPHICALLY-ORIENTED CERAMIC - A crystallographically-oriented ceramic containing Pb and in which piezoelectric/electrostrictive properties can be enhanced. Using a raw material having Pb(Zr07-02-2009
20090264275Materials 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.10-22-2009
20090181844Ceramic Material - Conventionally, in order to improve health problems, there have been technologies using ceramic materials, which are considered to have effects of far-infrared radiation, for accessories and films etc. These accessories and films etc. have effects of improving blood circulation or metabolism by far-infrared radiation etc. However, in the conventional technologies, the far-infrared radiation is insufficient, so that health problems cannot be sufficiently improved.07-16-2009
20120071314ENERGY STORAGE CERAMIC DIELECTRIC COMPONENT AND METHOD THEREOF - The present invention is a new composition of matter and can be used as components of a capacitor. The dielectric properties possess in this material has improved tremendously as compared to the existing component. The finding of high dielectric permittivity in the present invention ceramic according to its formulation and processing technique that can operate or use at wide range frequencies and temperatures are very useful in electronic and electrical devices. The present invention is best for applications at the range of temperatures. The permittivity is recorded at 1 kHz are between ˜20,000 to ˜54,000 and almost constant over three decade of frequency. Thus, the dielectric permittivity obtained can be used as energy storage, sensor, electric filter, etc., besides minimizing the devices size.03-22-2012
20090186753MATERIALS 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.07-23-2009
20090137381Dielectric ceramic composition and method of production thereof - The object of the present invention is to provide a method of production of dielectric ceramic composition which can lower the firing temperature without compensating the dielectric characteristics. The method of production according to the present invention is characterized by comprising steps of;05-28-2009
20090124482High-Frequency Dielectric Material - There is provided a high-frequency dielectric material that has a high relative permittivity, a high Q value, and a TCF property value close to zero (0) and can realize co-firing of the dielectric material with silver (Ag) and copper (Cu). The high-frequency dielectric material is characterized by comprising a composition of main constituent materials having a formulation of CaO: 1 mole, Nb05-14-2009
20090048088Fire resistant glass fiber - A glass fiber composition comprises about 52-65 weight % SiO02-19-2009
20090111680DIELECTRIC PORCELAIN COMPOSITION FOR USE IN ELECTRONIC DEVICES - ABSTRACT The invention intends to provide a dielectric porcelain composition for use in electronic devices which can be controlled in the temperature coefficient πf in particular in a negative direction and can shorten a sintering period while maintaining a high Qf value and a high dielectric constant. According to the invention, in conventional composition having a composition formula represented by XBa(Mg04-30-2009
20110039684FUSED CERAMIC PRODUCT, METHOD OF FABRICATION AND USES - A molten product in the form of a particle having a sphericity higher than or equal to 0.6, having the following chemical composition, in weight percent based on the oxides and for a total of 100%: 02-17-2011
20090062107TRANSLUCENT CERAMIC AND ELECTRO-OPTICAL COMPONENT - A translucent ceramic contains a main component composed of a tungsten-bronze-type compound represented by a general formula {(Sr, Ba)Nb03-05-2009
20110245065NONLINEAR RESISTOR CERAMIC COMPOSITION AND ELECTRONIC COMPONENT - A nonlinear resistor ceramic composition includes zinc oxide as main component, and, as subcomponents, with respect to 100 mol of zinc oxide in terms of respective elements, more than 0.05 to less than 30 at. % of oxide of Co, more than 0.05 to less than 20 at. % of oxide of Sr, more than 0.01 to less than 20 at. % of oxides of rare earth except for Sc and Pm, more than 0.01 to less than 10 at. % of oxide of Si and does not include Al, Ga and In. Alternatively, a nonlinear resistor ceramic composition includes zinc oxide as main component, and, as subcomponents, with respect to 100 mol of zinc oxide in terms of respective elements, more than 0.05 at. % and less than 30 at. % of an oxide of Co, more than 0.05 to less than 20 at. % of oxide of Sr, more than 0.01 to less than 20 at. % of oxides of rare earth except for Sc and Pm, more than 0.01 to less than 10 at. % of oxide of Si and more than 0.01 to less than 10 at. % of calcium zirconate in terms of CaZrO10-06-2011
20090118115USE OF TIO2 RESIDUES FROM THE SULFATE PROCESS05-07-2009
20120035046Al2O3-RARE EARTH OXIDE-ZrO2/HfO2 MATERIALS, AND METHODS OF MAKING AND USING THE SAME02-09-2012
20120202678Thermal spray coating of porous nanostructured ceramic feedstock - By engineering thermal spray parameters, such as temperature and velocity, and engineering feedstock powder size and morphology, ceramic coatings may be produced having desired mechanical and thermal properties. The ceramic thermal spray coating may have a microstructure having about 10-80% by cross-sectional area of a particulate phase based on, surface area of the coating, and the particulate phase is uniformly distributed throughout the coating. The particulate phase is an unmelted portion of the thermal sprayed feedstock, which is highly porous and may be produced by agglomerating nanoparticles of the ceramic. Such coatings can be applied as TBCs or as abradable coatings.08-09-2012
20110105296FUSED CERAMIC PARTICLE - The present invention provides a fused ceramic particle, having the following chemical composition, in percentages by weight based on the oxides and for a total of 100%:05-05-2011
20090048089Process for production of ceramic porcelains, ceramic porcelains and electronic components - 0.5 to 30 parts by weight of a hexagonal celsian powder is added to 100 parts by weight of a ceramic raw material powder to give a mixture. The mixture is sintered to give a ceramic porcelain so as to precipitate monoclinic celsian in the ceramic porcelain.02-19-2009
20090118114Bioactive graded zirconia-based structures - The present invention provides a functionally graded bioactive glass/ceramic composite structure or bioactive glass/ceramic/bioactive glass sandwich structure for use in such applications as damage resistant, ceramic dental implants, immediate tooth replacement, endodontic posts, orthopedic prostheses, orthopedic stems, bone substitutes, bone screws, plates, and anchors, nonunion fractures repair, alveolar ridge augmentation, missing small bone parts (e.g. fingers, toes, etc), maxilla facial reconstruction, spinal fusion, and scaffolds for bone regeneration, comprising a residual bioactive glass or glass-ceramic layer at all accessible surfaces, followed by an underlying graded glass-ceramic layer, and then an dense interior ceramic. The residual bioactive glass or glass-ceramic layer can be further transformed to a carbonate apatite (CHA) layer by immersing in calcifying solution or simulated body fluid (SBF) with electrolyte composition similar to that of serum. The interior ceramic preferably contains yttria-tetragonal zirconia polycrystal (Y-TZP) or ceria stabilized tetragonal zirconia polycrystal (Ce-TZP) or magnesia stabilized zirconia (Mg-PSZ) or calcia stabilized zirconia (Ca-PSZ) or alumina or zirconia-alumina composites. Further, the invention provides methods for making the same functionally graded bioactive glass/ceramic composite structure or graded bioactive glass/ceramic/bioactive glass sandwich structure.05-07-2009
20120252656CERAMIC COMPOSITE MATERIAL CONSISTING OF ALUMINIUM OXIDE AND ZIRCONIUM OXIDE AS THE MAIN CONSTITUENTS, AND A DISPERSOID PHASE - A composite material consisting of aluminium oxide as a ceramic matrix and zirconium oxide dispersed therein. A method for the production thereof, components containing the composite and methods of using the same are also provided.10-04-2012
20120252655CERAMIC COMPOSITE MATERIAL CONSISTING OF ALUMINIUM OXIDE AND ZIRCONIUM OXIDE AS MAIN CONSTITUTENTS - A composite material consisting of aluminium oxide as a ceramic matrix and zirconium oxide dispersed therein. The invention also relates to a method for the production thereof and components containing same.10-04-2012
20090023578CERAMIC POWDER AND METHOD FOR PRODUCING CERAMIC POWDER - A ceramic powder contains a principal component that is a perovskite-type complex oxide represented by the formula ANbO01-22-2009
20080300129CERAMIC MATERIAL, COMPOSITIONS AND METHODS FOR MANUFACTURE THEREOF - The present invention relates to a method of producing a ceramic material comprising the steps of: a) mixing a first clay composition comprising silica and a silicate mineral with a second clay composition; and b) firing the mixed clay composition from step a) to form a ceramic product. The present invention also relates to an engobe clay composition, sanitary ware and methods of productions thereof.12-04-2008
20100204033ZIRCONIUM DIOXIDE POWDER AND ZIRCONIUM DIOXIDE DISPERSION - Zirconium dioxide powder in the form of aggregated primary particles, having a BET surface area of 30 to 150 m2/g and a Berger whiteness of at least 88%. It is prepared by atomizing a solution which comprises an organic zirconium compound and mixing it with a combustion gas and air and allowing the mixture to burn in a flame into a reaction chamber surrounded by a casing, where the temperature in the reaction chamber and along the side of the wall of the casing facing the reaction chamber is at least 500° C. Dispersion comprising the zirconium dioxide powder. Use of the zirconium dioxide powder and of the dispersion for producing ceramics.08-12-2010
20120329633CERAMIC SINTERED BODY AND METHOD FOR PRODUCING CERAMIC SINTERED BODY - Provided is a mono- or multilayer ceramic substrate which exhibits a high flexural strength. The substrate contains a sintered ceramic which includes respective crystal phases of quartz, alumina, fresnoite, sanbornite, and celsian, in which the relationship between the diffraction peak intensity A in the (201) plane of the fresnoite and the diffraction peak intensity B in the (110) plane of the quartz, measured by a powder X-ray diffractometry in the range of the diffraction peak angle 2θ=10 to 40°, is A/B≧2.5. The fresnoite crystal phase preferably has an average crystal grain size of 5 μm or less. In firing to obtain this ceramic sintered body, the maximum temperature falls within the range of 980 to 1000° C.12-27-2012
20080227621Glass capable of emitting infrared rays - A glass includes SiO09-18-2008

Patent applications in class Alkaline earth or magnesium containing

Patent applications in all subclasses Alkaline earth or magnesium containing