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| Number | Title | Issue Date |
| 7604771 | Thermal method for fabricating a hydrogen separation membrane on a porous substrate A thermal method of making a hydrogen permeable composition is disclosed. A mixture of metal oxide powder and ceramic oxide powder and optionally a pore former is formed and pressed to form an article. The article is dried at elevated temperatures and then sintered ... | 10/20/2009 |
| 7314593 | Process for preparing improved silicon carbide powder Improved silicon carbide powder is prepared by carbothermal reduction of silica by introducing β-SiC powder simultaneously with iron in the starting composition resulting into a precursor powder which after complete reduction contains at least 90% SiC preferably ri... | 01/01/2008 |
| 7294164 | Narrow pore size distribution aluminum titanate body and method for making same This invention relates to an aluminum titanate body having a narrow pore size distribution as characterized by the relation (d50−d10)/d50 being less than 0.50 corresponding to a high degree of interconnected porosity. The body also... | 11/13/2007 |
| 7276130 | Production method of multilayer ceramic electronic device A method of producing a multilayer ceramic electronic device, having a firing step for firing a pre-firing element body wherein a plurality of dielectric layers and internal electrode layers containing a base metal are alternately arranged, characterized in that the... | 10/02/2007 |
| 7259120 | Aluminum titanate ceramic articles and methods of making same An aluminum titanate ceramic article having a predominant crystal phase of aluminum titanate and a material composition including aluminum, titanium, silica, an alkaline earth metal (e.g., at least one selected from the group of strontium, calcium, barium, or combin... | 08/21/2007 |
| 7253129 | Rare earth garmet sintered compact A rare earth garnet sintered compact which is produced by subjecting a rare earth garnet powder such as YAG to a pre-sintering, sintering the pre-sintered product by HIP, and annealing the sintered product at 1100° C. to 1600° C. in a whole oxygen atmosphere under... | 08/07/2007 |
| 7166552 | Method for producing aluminum magnesium titanate sintered product The present invention provides a process for preparing a sintered body comprising as a basic component aluminum magnesium titanate represented by the composition formula: MgxAl2(1−x)Ti(1+x)O5 wherein the value of x is 0.... | 01/23/2007 |
| 7148168 | Method for producing aluminum titanate sintered compact The present invention provides a raw material composition for preparing a sintered body of aluminum titanate, the composition comprising (i) 100 parts by weight of a mixture comprising 40 to 50 mol % of TiO2 and 60 to 50 mol % of Al2O3 | 12/12/2006 |
| 7063813 | Stacked ceramic body and production method thereof This invention provides a stacked ceramic body that prevents reaction between components of dielectric layers and components of electrode layers of an unsintered stacked body during sintering and in which both components do not easily form a liquid phase, and a prod... | 06/20/2006 |
| 7018583 | Method for producing a component by means of powdery starting material and extractor suitable therefore According to a known method for producing a component by means of a powdery starting material, powder is mixed with auxiliaries comprising binding agents, whereby a free-flowing mass is produced. A green body is produced from the mass by means of powder injection mo... | 03/28/2006 |
| 7011788 | Method for producing aluminum titanate sintered object The present invention provides a process for preparing an aluminum-titanate-based sintered body comprising the step of firing, at 1250 to 1700° C., a formed product prepared from a raw material mixture containing 100 parts by weight of a mixture of TiO2 ... | 03/14/2006 |
| 7001861 | Aluminum titanate-based ceramic article An aluminum titanate-based ceramic article having a composition comprising u (Al2O3—TiO2)+v (R)+w (3Al2O3—2SiO2)+x (Al2O3)+y (SiO2)+z (1.1SrO-1.5Al2O | 02/21/2006 |
| 6979421 | Method of making a ceramic arc tube A ceramic arc tube assembly and a method for making a ceramic arc tube are described which simplify the manufacture of ceramic arc tubes by reducing the number of handling and heat treatments required to assemble arc tubes prior to the final sintering operation. In ... | 12/27/2005 |
| 6972060 | Method for producing stacked ceramic body This invention provides a method for producing a stacked ceramic body that does not require strict control of an oxygen partial pressure in a sintering gas. To produce a stacked ceramic body by alternately stacking dielectric layer and electrode layers, an unsintere... | 12/06/2005 |
| 6924038 | Stop-off for diffusion coating A mask suitable for protecting a portion of a substrate surface against diffusion coating of the substrate with a metal, which mask comprises a ceramic material comprising silica and an inert refractory diluent and a metal or metal alloy, wherein the metal or metal ... | 08/02/2005 |
| 6841119 | Method to obtain a refractory composite material based on carbide A method to obtain a refractory carbide-based composite material, in particular as an article of a predetermined shape includes the following steps: molding of a porous blank from a mixture of powders of at least one carbide-forming metal and/or non-metal and at lea... | 01/11/2005 |
| 6808656 | Method of producing a nuclear fuel sintered body A nuclear fuel sintered body is produced from a powder which contains at least one fissile heavy metal oxide. During the further treatment of the powder over the course of the process preceding the sintering operation, a dopant that contains at least 100 ppm of an i... | 10/26/2004 |
| 6758927 | Method for making monolithic piezoelectric ceramic element A method for making a monolithic piezoelectric ceramic element having high mechanical strength, excellent piezoelectricity, and high reliability is disclosed. The method includes the steps of applying a conductive paste including a conductor containing Ag as a princ... | 07/06/2004 |
| 6749706 | Method of manufacturing monolithic piezoelectric ceramic device A method of manufacturing a piezoelectric ceramic device having excellent piezoelectric characteristics and high reliability is described. The method includes the steps of coating conductive paste containing Ag as a main component on each of a plurality of ceramic g... | 06/15/2004 |
| 6669893 | Method for making neutron absorber material A neutron absorbent material and a process for manufacturing said material, the neutron absorbent material having great resistance to mechanical damage and more particularly great resistance to crack propagation, which material contains boron carbide and ... | 12/30/2003 |
| 6592798 | Method for preparing eutectic ceramics A method for advantageously producing sintered eutectic ceramics having a homogenous and dense structure, in particular, a eutectic containing a rare earth aluminate compound. The method allows eutectic powder of alumina and a rare earth aluminate compoun... | 07/15/2003 |
| 6579467 | Ferroelectric composition, ferroelectric vapor deposition target and method of making a ferroelectric vapor deposition target The invention comprises ferroelectric vapor deposition targets and to methods of making ferroelectric vapor deposition targets. In one implementation, a ferroelectric physical vapor deposition target has a predominate grain size of less than or equal to 1... | 06/17/2003 |
| 6551954 | WC-base composite ceramic sintered compact A WC-based composite ceramics sintered body consisting of 40 volume % to 90 volume % of WC including solid-solved oxygen represented by a chemical formula of WCx Oy (where 0.005 | 04/22/2003 |
| 6548011 | Method for manufacturing surface-modified alumina-based ceramics A method of manufacturing an alumina-based ceramic includes sintering a powder compact of an iron-containing alumina powder in an atmosphere (N2, 95 N2 -5 H2, H2) of a relatively low oxygen partial pressure, and... | 04/15/2003 |
| 6471734 | Ceramic and process for the continuous sintering thereof A continuous process for the manufacture of a ceramic sintered compact wherein the process comprises the steps of: forming a green compact from a powder mixture comprising a first component comprising compounds which contain elements of silicon, aluminum,... | 10/29/2002 |
| 6451244 | Ceramics with excellent piezoelectric property and their manufacturing method The present invention is intended to provide piezoelectric ceramic materials having far better strain characteristics than that of conventional piezoelectric ceramics, as well as a novel method for producing such piezoelectric ceramics, and the present in... | 09/17/2002 |
| 6451222 | Ferroelectric composition, ferroelectric vapor deposition target and method of making a ferroelectric vapor deposition target The invention comprises ferroelectric vapor deposition targets and to methods of making ferroelectric vapor deposition targets. In one implementation, a ferroelectric physical vapor deposition target has a predominate grain size of less than or equal to 1... | 09/17/2002 |
| 6432353 | Method for producing oxide type ceramic sintered body A ceramic molded body obtained by molding a raw material powder having a mean grain size of about 1 μm or less and a BET specific surface area of about 5 m2 /g or more is fired in an atmosphere of about 95% or higher oxygen concentration at a ... | 08/13/2002 |
| 6428741 | Aluminum nitride sintered body and method of preparing the same Provided is an aluminum nitride sintered body excellent in thermal shock resistance and strength and applicable to a radiating substrate for a power module or a jig for semiconductor equipment employed under a strict heat cycle. An aluminum nitride sinter... | 08/06/2002 |
| 6410160 | Porous metal-containing materials, method of manufacture and products incorporating or made from the materials Porous metal-containing materials are provided for a variety of uses including filters, electrodes for batteries and fuel cells, light weight structural materials, heat exchangers and catalysts. A method is provided for making the porous metal-containing ... | 06/25/2002 |
| 6372679 | Cr2O3-Al2O3 sintered body and processes for producing same This invention relates to processes for the production of a sintered body consisting of an intimate solid solution of Cr2 O3 and Al2 O3 by using inexpensive materials, as well as sintered bodies produced thereby... | 04/16/2002 |
| 6358464 | Method for making BaTiO3-based dielectric A method for making a BaTiO3 -based dielectric having a high dielectric constant and a low dielectric loss wherein, a BaTiO3 -based body is subjected to a pre-heat treatment in a hydrogen (H2) atmosphere or a reducing atmo... | 03/19/2002 |
| 6355587 | Quartz glass products and methods for making same The application discloses a number of unique sintered quartz glass products together with new silica compositions and processes for making and using such products. Nitrided clear and opaque nitrided quartz products are disclosed having incredible physical... | 03/12/2002 |
| 6344167 | Process for the production of superconductor containing filaments Superconductor containing filaments having embedments of superconducting material surrounded by a rayon matrix are formed by preparing a liquid suspension which contains at least 10 weight percent superconducting material; forming a multicomponent filamen... | 02/05/2002 |
| 6306788 | Translucent alumina sintered body and production thereof A method for producing a translucent alumina sintered body comprising the steps of: forming a raw material powder, and sintering the formed product under the condition of hydrogen atmosphere from atmospheric pressure to vacuum at a temperature of from 1600 to ... | 10/23/2001 |
| 6248434 | Composite body comprising a hard metal, cermet or ceramic substrate body and method of producing same The invention concerns a composite body consisting of a hard metal, cermet or ceramic substrate body and at least one layer of a mechanically resistant material, a ceramic substance, a diamond-like layer, amorphous carbon and/or hexagonal boron nitride. T... | 06/19/2001 |
| 6190582 | Controlled atmosphere sintering process for urania containing silica additive Improved method of sintering for the manufacture of nuclear fuel comprising a fissionable ceramic material including a silica containing additive. The method includes controlling the sintering atmosphere to impede loss through vaporization of the silica.... | 02/20/2001 |
| 6187256 | Method of producing a conductive silicon carbide-based sintered compact A process is described for producing a conductive sintered body based on silicon carbide, in which a) silicon carbide particles, optionally pretreated with a surface modifier, are dispersed in an aqueous and/or organic medium and positive or negative surf... | 02/13/2001 |
| 6187253 | Method of preparing indium oxide/tin oxide target for cathodic sputtering An indium oxide/tin oxide powder with 5-15 wt. % tin oxide is subjected to an annealing treatment at Tࣙ1, 000° C. and is then partially reduced and subjected to hot isostatic pressing to produce a sputtering target with a density of at least 95% of the... | 02/13/2001 |
| 6129886 | Method of preparation of piezoelectric ceramics The object of the present invention is to realize the piezoelectric ceramics which, even when used as high frequency elements utilizing third harmonics wave of thickness longitudinal vibration, are small in temperature coefficient of resonant frequency an... | 10/10/2000 |
