Class / Patent application number | Description | Number of patent applications / Date published |
264642000 | Shaping or treating of multilayered, impregnated, or composite-structured article | 30 |
20080230963 | Method of manufacturing low temperatue co-firing substrate - There is provided a method of manufacturing an LTCC substrate, capable of enhancing coatability of an external electrode pad, yield of the LTCC substrate as a package and product reliability and ensuring compactness of a product utilizing the LTCC substrate package. The method includes: forming a cavity on external electrode pad forming layers, respectively and filling the cavity with an external electrode pad material; depositing the external electrode pad forming layers on a ceramic stack with a printed circuit pattern formed therein; and sintering the ceramic stack having the external electrode pad forming layers deposited thereon at a low temperature. | 09-25-2008 |
20080308976 | CERAMIC SUBSTRATE PRODUCTION PROCESS AND CERAMIC SUBSTRATE PRODUCED USING THE PROCESS - A process for producing a multilayered ceramic substrate having a step portion of a desired shape does not require complicated process steps and equipment. An auxiliary-layer-lined unfired ceramic body, which has a step portion in a principal surface thereof, has an unfired ceramic body and an auxiliary layer which is adhered to one principal surface of the unfired ceramic body and which is made of a material that is substantially unsinterable at a temperature at which the unfired ceramic body is fired. The auxiliary-layer-lined unfired ceramic body is fired at a temperature at which the unfired ceramic body is sinterable but the auxiliary layer is substantially unsinterable, while the auxiliary layer remains adhered to the unfired ceramic body. A pressing operation is performed by using a die having a projection placed on the side of the auxiliary-layer-lined unfired ceramic body retaining the auxiliary layer, so that the step portion, having a shape corresponding to the outer shape of the die projection, is formed in the side of the auxiliary-layer-lined unfired ceramic body retaining the auxiliary layer. | 12-18-2008 |
20090230596 | Method of manufacturing multi-layered ceramic substrate - An un-sintered multi-layered body includes a first ceramic layer having a surface, a conductor provided on the surface of the first ceramic layer, an insulator provided on the surface of the first ceramic layer and covering an end of the conductor, and a second ceramic layer provided on the conductor and the insulator. The un-sintered multi-layered body is baked at a temperature at which the first ceramic layer can be sintered but the second ceramic layer cannot be sintered. After the un-sintered multi-layered body is baked, the second ceramic layer is removed, thereby providing a multi-layered ceramic substrate. The insulator has a thickness not smaller than 10 μm and not larger than 40 μm. This method makes the insulator dense and allows the conductor to be formed easily. | 09-17-2009 |
20100032875 | Processing method for solid core ceramic matrix composite airfoil - A method of processing solid core ceramic matrix composite articles. The method improves the physical characteristics of the article by forming the airfoil using a co-processing method wherein a refractory ceramic is cast against a preformed ceramic matrix composite (CMC) shell. In one aspect, the shell is continuous to help prevent delaminations. In another aspect, the shell is open. In one embodiment, the article includes a split line. The split line helps the article to be less susceptible to damage caused from internal strain. | 02-11-2010 |
20100052225 | METHOD OF MANUFACTURING SLABS OF CERAMIC MATERIAL - In the method for manufacturing slabs of ceramic material which envisages preparation of an initial mix comprising ceramic sands with a grain size of less than 2 mm, preferably less than 1.2 mm, a binder and the so-called filler namely mineral powders chosen from feldspars, nephelines, sienites, mixed with clays and/or kaolinites, which powders after firing form a continuous ceramic matrix, deposition of the initial mix on a temporary support for the compaction step by means of vacuum vibrocompression, drying and firing, a binder consisting of an aqueous dispersion of colloidal silica called silicasol is used. | 03-04-2010 |
20100213645 | Heat Shield Element, Method and Mold for the Production Thereof, Hot-Gas Lining and Combustion Chamber - There is described a heat shield element comprising a hot side which is turned towards the hot medium, a cold side which is turned away from the hot medium, peripheral sides which connect the hot side to the cold side and a material volume which is defined by the hot side, the cold side and the peripheral sides, wherein the material volume comprises at least two material areas which are made of different materials. The materials are different from each other at least in respect of their resistance and/or thermal expansion coefficient. | 08-26-2010 |
20110037206 | METHOD OF PRODUCTION OF CEMENT BONDED AGGLOMERATED ORE - A method of production of cement bonded agglomerated ore not depending on yard curing which can improve the environment, save labor, and improve yield is provided, that is, a method of production of cement bonded agglomerated ore which adds Portland cement as a binder to dust produced from an iron works and/or fine powder ore, treats the same by mixing, moisture adjustment, and kneading steps, then pelletizes it by a pan pelletizer and suitably thereafter cures it to produce blast furnace-use cold pellets or sintering-use minipellets having the required crushing strength, which method charges the raw pellets from the top of a vertical type container and discharges them from the bottom end to form a moving bed and cures the raw pellets in the period from charging to discharging. | 02-17-2011 |
20110198785 | Methods and Appartus for Casting Ceramic Sheets - A method for making a thin, free-standing ceramic sheet may include drawing a carrier film proximate a casting head and across a casting bed of a tape caster at a rate from about 2 cm/min to about 500 cm/min. Depositing a thin film of ceramic slip less than about 150 μm on the carrier film with the casting head. The ceramic slip may comprises a ceramic powder with an ultimate crystallite size of less than about 10 μm dispersed in a fluid vehicle such that the ceramic slip has a ceramic solids fraction of greater than about 20% by volume. The deposited ceramic slip may be dried on the carrier film thereby forming a green ceramic sheet on the carrier film. After the green ceramic sheet is dried, the green ceramic sheet may be sintered. | 08-18-2011 |
20110233830 | METHOD OF MAKING CUTTING TOOLS - The present invention relates to a method of reducing dimensional deviations of sintered cemented carbide or cermet cutting tool inserts. According to the method the inserts are heat treated for at least 5 minutes at a temperature higher than the liquidus temperature in a protective atmosphere or vacuum with a controlled maximum temperature gradient over the insert. | 09-29-2011 |
20110241266 | Production method of fine grain polycrystalline diamond compact - [Problem] This invention aims to provide a production method of a fine grain polycrystalline diamond compact which is suitable for finishing cutting tool materials and/or ultra-precision machining tool materials. In the method, a freeze-drying process for preventing the growth of secondary particle formation is unnecessary, and an aid does not need to be mixed in advance. | 10-06-2011 |
20120056360 | Process for producing metal composite material - Producing a metal composite material by mixing hydrated ceramic particles, having water of crystallization that is bound within fine pores which have an average pore diameter of 1 nm or more and 80 nm or less, with a reinforcing material, the resulting mixture being sintered to form a preform which is then impregnated with a melt of an aluminum alloy and subjected to surface polishing. The ceramic particles, from which water of crystallization has been removed while the average pore diameter of the pores thereof is maintained, are dispersed uniformly, it is possible to obtain the metal composite material in which the ceramic particles that have fine pores are exposed on surfaces evenly in a stable manner by surface polishing that is conducted after the melt impregnation. The metal composite material can permit infiltration of a lubricating oil into the fine pores. | 03-08-2012 |
20120248663 | Forming a Polycrystalline Cermanic in Multiple Sintering Phases - In one aspect of the invention, a method of forming polycrystalline diamond comprises providing a can assembly comprising a preform of diamond powder with a first catalyst, the preform being adjacent a solid substrate with a second catalyst. The pressure and/or temperature on the can assembly increases until the first catalyst and carbon from the diamond powder begin to form a melting composition within the preform. The pressure and temperature may be held substantially constant on the can assembly until the melting composition has catalyzed crystalline growth in at least a portion of the preform. The pressure and/or temperature are then increased on the assembly until the second catalyst within the substrate is released into the preform. | 10-04-2012 |
20130009348 | POWDER MATERIAL IMPREGNATION METHOD AND METHOD FOR PRODUCING FIBER-REINFORCED COMPOSITE MATERIAL - When a molded fabric body (X) is impregnated with a powder (K) of a predetermined material, there are performed a first step of dispersing the powder (K) in a liquid to prepare a slurry, and a second step of burying the molded fabric body (X) made of fiber bundles in the slurry and vibrating the slurry by use of a predetermined vibrator (M). Furthermore, in the second step, the vibrator (M) is moved along a surface of the molded fabric body (X). As a result, it is possible to improve the rate of impregnation of the powder (K) more than that in the conventional cases, irrespective of the shape of the molded fabric body (X). | 01-10-2013 |
20130093131 | SINTERED COMPOSITE SLIDING PART AND PRODUCTION METHOD THEREFOR - A process for producing a sintered composite sliding part having an outer member made of an Fe-based wear resistant sintered member in which a hard phase is dispersed in a matrix at 15 to 70% by volume and an inner member made of a stainless ingot steel. The matrix is made of an Fe-based alloy including 11 to 35% by mass of Cr, and the hard phase is formed by precipitating and dispersing at least one selected from the group consisting of intermetallic compounds, metallic silicides, metallic carbides, metallic borides, and metallic nitrides in an alloy matrix made of at least one selected from the group consisting of Fe, Ni, Cr, and Co. The outer member is formed with a hole, the inner member is closely fitted into the hole, and the outer member and the inner member are diffusion bonded together. | 04-18-2013 |
20130161880 | METHOD FOR CREATING CERAMIC PHOTOS - A method for providing a three dimensional photographic scenic image, such as a portrait or other scene, on a ceramic substrate from an actual colored photographic image of the scene. The photographic image is transferred to the ceramic substrate, such as by a heat transfer process, after which it can be hand colored, or automatically by use of an ink jet printer, with the image being colorized using ceramic paints, such as water based or acrylic ceramic paints, in colors corresponding to the actual color photographic image, and the ceramic painted color image is then fired, such as in a home type oven, to create the finished decorative product. The fired workpiece may then be sealed, or, alternatively, it may be glazed in a kiln, if desired. A frame may also be provided around the ceramic photographic image containing ceramic substrate. | 06-27-2013 |
20130307201 | CERAMIC ARTICLE AND ADDITIVE PROCESSING METHOD THEREFOR - An additive manufacturing process includes providing a powder mixture having a ceramic constituent and a reactive metal constituent, and reacting and fusing the powder mixture with a directed energy source to form a geometry. | 11-21-2013 |
20140183798 | MANUFACTURE OF CUTTING ELEMENTS HAVING LOBES - An apparatus for forming a cutting insert. The apparatus may include compression device having a first sleeve with a bore therein. The first sleeve may receive a substantially hollow can. A plurality of solid particulates may be positioned within the can, and a substrate material or other punch may also be positioned in the can. A forming device of the compression device may be located adjacent an end of the can in which the solid particulates are located. The forming device may include at least one protrusion extending from an inner surface thereof into the bore. The protrusion may be adapted to deform the can while also forming the plurality of solid particulates into a solid mass having one or more reliefs and one or more lobes therein. | 07-03-2014 |
20140183799 | Light-Curing Ceramic Slips For The Stereolithographic Preparation Of High-Strength Ceramics - A process for the preparation of a ceramic or glass ceramic shaped article using stereolithography and using a slip based on a radically polymerizable binder, polymerization initiator and filler, which comprises (A) at least one acidic monomer of general formula I | 07-03-2014 |
20140265062 | VARIABLE-DENSITY IMPLANTS AND RELATED METHODS AND SYSTEMS - Ceramic orthopedic implants may have one or more dense inner layers and one or more porous outer layers. Methods for manufacturing the implants may include one or more stages during which the dense inner layer(s) are partially compressed. At least one porous outer layer may include coating particles that are present at a surface of one or more inner layer(s) while pressure is applied to attach the coating particles to the inner layer(s) and to further compress one or more of the inner layer(s). Various layers may be formed until an implant, or other device, is formed having the desired density gradient and/or other properties, as disclosed herein. | 09-18-2014 |
20150069675 | MANUFACTURING METHODS FOR A POROUS FLUORORESIN COMPOSITE - There are provided a fluororesin thin film which is composed of a fluororesin, which has a thickness of 20 μm or less and a Gurley's number of 300 seconds or more, and which includes no defects, such as voids and/or cracks; a method for manufacturing the fluororesin thin film in which after a fluororesin dispersion including a dispersing medium and a fluororesin powder dispersed therein is applied on a flat and smooth foil, the dispersing medium is dried, and the fluororesin powder is sintered; the fluororesin dispersion; a fluororesin composite including a porous base material and the fluororesin thin film; a manufacturing method thereof, a porous fluororesin composite formed by stretching the fluororesin composite; and a separation membrane element using the porous fluororesin composite. | 03-12-2015 |
20150084245 | METHOD FOR PRODUCING MEANS WITH THERMAL RESIST FOR APPLYING AT A SURFACE OF A HEAT EXPOSED COMPONENT - The invention refers to a method for producing means with thermal resist for applying at a surface of a heat exposed component. The method includes
| 03-26-2015 |
20150328835 | STABILIZED METALLIC NANOPARTICLES FOR 3D PRINTING - A material for use in a 3D printer. The material may include a plurality of metallic particles and a stabilizing material. The metallic particles may have an average cross-sectional length that is less than or equal to about 100 nm. The stabilizing material may include an organoamine, carboxylic acid, thiol and derivatives thereof, xanthic acid, polyethylene glycols, polyvinylpyridine, polyninylpyrolidone, or a combination thereof. | 11-19-2015 |
20150353424 | METHOD FOR PRODUCING AN AL/TIC NANOCOMPOSITE MATERIAL - The invention relates to a process for preparing an Al/TiC nanocomposite material comprising an aluminum matrix in which particles comprising nano-sized TiC are dispersed. It comprises:
| 12-10-2015 |
264643000 | Shaping followed by article coating or impregnating | 7 |
20080315469 | METHOD OF PROVIDING A MOISTURE VAPOR BARRIER LAYER TO A CORE OF A GOLF BALL - A method of forming a water vapor barrier layer to a core of a golf ball is provided. The method includes placing the core of the golf ball into a vapor barrier composition, withdrawing the lifting device, and spinning and optionally oscillating the core within the composition for a time sufficient for the composition to form a layer on the core. The present invention also provides an apparatus that can be used to form a water vapor barrier layer on the core. | 12-25-2008 |
20090033006 | Processing method for graphite piece - A processing method for graphite piece, and comprising the steps of: using a pair of male and female dies to sandwich a graphite material in between the pair of dies and cut the graphite material to become the graphite piece with the specific figure. The male die and the female die continuously applying a force onto the graphite piece in order to form a predetermined second thickness by a backform disposed between the pair of male and female dies. It makes the density of graphite piece increase and promote the efficiency of conducting. Furthermore, bending the bent portion of graphite piece continuously can solve the problems of bent graphite piece with low density resulted in inefficiency. Moreover, after the radiator embedding in the surface of the graphite piece, bending the graphite piece continuously can make the radiator firmly connected to the graphite piece. | 02-05-2009 |
20100019418 | METHOD FOR MANUFACTURING A REVOLVING SHAFT ASSEMBLY - A method for manufacturing a revolving shaft assembly includes the steps of: 1) offering a plurality of first nonmetallic powder; 2) offering a plurality of second nonmetallic powder; 3) offering a mold cavity and filling the first and second nonmetallic powder in the mold cavity to form a green piece, wherein a plurality of pores is defined in the green piece; 4) heating the green piece at a temperature between 1100° C. and 1550° C. to sinter the nonmetallic powder to obtain a sintered product; 5) dipping the sintered product in lubricant oil to make the lubricant oil enter the pores of the sintered product to thereby obtain a final desired product. | 01-28-2010 |
20100320652 | Methods of Making Particulates for Use in Subterranean Applications - Among the methods described herein are methods of making a low-specific gravity particulate including the steps of: (a) providing combustion products of carbonaceous materials comprising silica and an aluminum oxide, (b) mixing the combustion products with a binder to create a pelletizable mixture; (c) pelletizing the combustion products of carbonaceous materials to create a pellet, and (d) sintering the combustion products of carbonaceous materials to create a particulate comprising silica and an aluminum oxide in an amount of about 0.1% to about 25% by weight and having at least one void, a specific gravity of less than about 2.2, a particle size of 8 U.S. Mesh or smaller, and a substantially spherical shape. | 12-23-2010 |
20110109020 | HIGH STRENGTH HARD ALLOY AND METHOD OF PREPARING THE SAME - A method for producing a cemented carbide material includes producing an M | 05-12-2011 |
20120153548 | NOVEL CERMETS FROM MOLTEN METAL INFILTRATION PROCESSING - New cermets with improved properties and applications are provided. These new cermets have lower density and/or higher hardness than B4C cermet. By incorporating other new ceramics into B4C powders or as a substitute for B4C, lower densities and/or higher hardness cermets result. The ceramic powders have much finer particle size than those previously used which significantly reduces grain size of the cermet microstructure and improves the cermet properties. | 06-21-2012 |
20130168905 | BORON-SILICON-CARBON CERAMIC MATERIALS AND METHOD OF MAKING - A reaction bonded ceramic body that has 50% to 60%, by weight, boron carbide, and 20% to 30%, by weight, silicon carbide. The reaction bonded ceramic body has least a portion of the boron carbide reacted with silicon to become siliconized boron carbide. Also, a method of making a reaction bonded ceramic material. The method may include the steps of forming a green body from a mixture of boron carbide, carbon, and an organic binder, and contacting the green body with a liquid infiltrant comprising silicon. The infiltrant has a temperature of about 1625° C. to about 1700° C. Furthermore, a method of making a reaction bonded boron carbide ceramic body. The method includes the steps of forming a green body from a mixture of boron carbide, carbon, and an organic binder. The weight ratio of boron carbide to carbon in the green body may be about 5:5 to 1 or more. The method also includes siliconizing a first portion of the boron carbide to siliconized boron carbide by contacting the green body with a molten silicon infiltrant, where the infiltrant has a temperature of about 1625° C. to about 1700° C. The method may further include dissolving a second portion of the boron carbide in the silicon infiltrant, where at least some of the dissolved boron carbide is reprecipated as smooth particulates. | 07-04-2013 |