Abstract: An elongated superconducting body has a core of superconducting oxide grains, and a constraining nonsuperconducting boundary substantially superscribing the superconducting core. The core has thin dimension that is less than or equal to ten times the average length of the grains and the grains are oriented with their a-b crystallographic planes coplanar with a line extending in the longitudinally-extending direction of the core.

Abstract: An electromagnetic interference suppressing body is provided for suppressing electromagnetic interference by undesirable electromagnetic waves. The body includes a conductive support element and a non-conductive soft magnetic layer provided on at least one surface. The electromagnetic interference suppressing body may be used in an electronic equipment comprising a circuit board and an active element mounted on the circuit board, and is interposed between the circuit board and the active element so as to suppress the interference by an induction noise generated from the active element. The electromagnetic interference suppressing body may also be used in a hybrid integrated circuit element having an active element and a passive element mounted on a circuit board. The hybrid integrated circuit element is covered with and sealed by a non-conductive layer and the electromagnetic interference suppressing body overlying an outer surface of the non-conductive layer.

Abstract: Provided is an ultrafine nickel powder suitable for a laminated ceramic capacitor electrode material. According to the ultrafine nickel powder, cracks and/or delamination are not liable to generate in the process for producing a ceramic capacitor, and its internal electrode can be made into a thinner layer, and the electric risistivity of the capacitor can be made low. The ultrafine nickel powder has an average particle size of 0.1-1.0 &mgr;m, having the sulfur content of 0.02-1.0% by weight, and particles thereof being spherical, thereby exhibiting excellent properties. They can be produced by vapor phase hydrogen-reducing process using nickel chloride vapor.

Abstract: By utilizing the sequential synthesis afforded reverse micelles, nanocomposite materials can be synthesized which have a diamagnetic core surrounded by a thin shell of ferromagnetic material passivated with a second shell of a diamagnet. Using gold as the diamagnetic material and iron as the ferromagnetic material, nanocomposites can be synthesized where there is a thin layer of the magnetic material, which is passivated and protected from oxidation. In this case, all of the spins of the magnetic layer lie within the surface of the particle.

Abstract: A method for preparing an aluminum alloy-containing coating composition is described. A slurry containing a selected amount of aluminum is combined with at least one additional slurry containing a selected amount of a second metal which forms an alloy with aluminum. The resulting slurry mixture is applied to a metal substrate, and then heated to form a substantially devolatilized coating. The coating then receives a secondary heat treatment. Related compositions and articles are also described, as are processes for repairing a damaged or worn coating, utilizing the slurry.

Abstract: High areal storage density, patterned magnetic media comprising a patterned plurality of at least partially crystalline, ferromagnetic particles or grains are provided by means of a simple, economical process wherein a non-magnetic substrate is provided with a layer of an amorphous, paramagnetic or anti-paramagnetic material comprising at least one component, e.g., a metal element, which is ferromagnetic when in at least partially crystalline form, and at least partially crystallizing the at least one component at selected areas of the amorphous layer to form a spaced-apart pattern of at least partially crystallized, ferromagnetic particles or grains of the at least one component, the particles or grains being spaced apart and surrounded by a matrix of the amorphous material. Embodiments include utilizing a focussed or scanned laser source and an amorphous Ni—P layer for forming ferromagnetic Ni particles or grains.

Abstract: A surface-treated sheet for fuel tanks includes a cold-rolled steel sheet with a low carbon content, a zinc or zinc-based alloy plating layer formed on the steel sheet, and a chromate film coated on the zinc or zinc-based alloy plating layer. The chromate film is formed from a chromate solution. The chromate solution includes a subject solution and an aqueous silane solution in an amount ranging from 5 to 50% by weight of the subject solution. The subject solution contains a chrome aqueous solution where the concentration of chrome is in the range of 5-50 g/l and the ratio of trivalent chrome to the chrome content is in the range of 0.4 to 0.8.

Abstract: The present invention relates to a magnetic device and method for making it, wherein the magnetic device is specifically constructed of grains in a matrix. The matrix may be cement or plaster. The grains have an average diameter that is greater than their magnetic domains. The device may be applied to shielding applications for frequencies ranging from 100 kHz to 10 GHz. The shielding may be applied to walls of a building, consumer products such as magnetic disks, and the like. The grains may be any ferromagnetic material, including ferrite.

Abstract: A thermal spray material includes a mixture of 5-30 weight % of an AlSi alloy powder with 95-70 weight percent of a cast iron powder to provide abrasion resistance for aluminum alloy parts. The AlSi alloy powder contains 12-30 weight % Si, at least one element selected from a group consisting of 0.5-5.0 weight % Cu and 0.2-3.0 weight % Mg, 1-15% of at least one element selected from the group consisting of Fe, Mn, and Ni, and a mass balance of Al. The cast iron powder contains 2-4 weight % C, no more than 0.3 weight % Si, and 0.5-3.0 weight % P. A sliding surface of a sliding member is thermal sprayed with a coating of this thermal spray material to provide a sliding member having excellent abrasion resistance.

Abstract: In a high-speed fabrication process for producing highly uniform ultra-small metallic micro-spheres, a molten metal is passed through a small orifice, producing a stream of molten metal therefrom. A series of molten metal droplets forms from the break up of the capillary stream. Applied harmonic disturbances are used to control and generate satellite and parent droplets. Significantly, the satellite droplets formed are smaller than the orifice, allowing for the production of smaller metal balls with larger orifices. The satellite droplets are separated from the parent droplets by electrostatic charging and deflection or by aerodynamic or acoustic sorting. Preferably, the satellite droplets are cooled before being collected to avoid defects and achieve high uniformity of the resulting metal balls.

Abstract: Abradable coatings for turbine engine shrouds are formed from biscuits formed of silicon-diffused powdered alloy compositions which are processed with an HF precursor to strip oxides from the coating during processing, the alloy blends comprising MCrAl(Y)n alloys in which n is 0, 1 or more.

Abstract: To produce a conductive epoxy resin composition with improvement in the characteristics of rapid-curability, heat resistance and moisture resistance, adhesion reliability, storage properties and low-temperature curability that can be used effectively for production of conductive adhesive films. The conductive epoxy resin composition comprises an alicyclic epoxy resin, optional diols, a styrenic thermoplastic elastomer with an epoxy group in the molecule, an ultraviolet activated cationic polymerization catalyst, an optional tackifier having an aromatic ring in the molecule, and conductive particles.

Abstract: An aluminum alloy composition having an unusually high iron and silicon content, which is particularly improved by manganese additions contains preferably 0.5 to 1.1% wt Fe, preferably 0.3 to 0.7% wt Si, between 0.005 to 0.03% wt Ti, with the iron to silicon ratio maintained between 1.8 and 2.2:1. Most preferably, the alloy contains 0.10 to 0.8% wt manganese. A nominal alloy composition is as follows: 0.8% Fe, 0.4% Si, 0.015% Ti, and 0.4% Mn. The alloy is cast between a pair of cooling molds to produce a cast ingot, the ingot is hot rolled and subsequently cold rolled to thickness reductions of at least 25% and at most 70%, blanks are punched from the cold rolled sheet and the blanks are annealed at temperatures exceeding 350° C. but less than 525° C. and are subsequently deformed by impact extrusion to form long-necked cans which are stoved at temperatures as high as 275° C.

Abstract: A process for inexpensively producing an insulating substrate suitable for use in image displays fabricated through a high-temperature production step, such as plasma displays and field emission displays (FED). A multilayered insulating film of one member selected from SiO2, a silicon oxynitride, and a silicon nitride is coated on a surface of a glass plate by reactive sputtering using one or more silicon targets in oxygen or/and nitrogen. The interface between layers in the multilayered insulating film functions to trap sodium ions thermally diffusing from the glass, whereby the amount of sodium ions which dissolve in the insulating film and reach the surface thereof is considerably reduced.

Abstract: A highly reliable sintered compact which can be readily and safely produced, and a method for producing such sintered compact are provided. The sintered compact is preferably formed into a heat sink 1 which comprises a heat sink main body 2. The heat sink main body 2 comprises a substrate 3, a plurality of projections 4 integrally formed with the substrate 3 on its heat dissipation surface, and a molded frame 5 integrally formed with the substrate 3 to surround the projections 4. On each corner of the substrate 3 is formed a circular molded hole 6. The opposite surface of the substrate 3 is formed into a contacting surface which is adapted to be in contact with the heat generating semiconductor chip, and this contacting surface is surface treated, for example, by plating. The sintered compact is produced from metal powders, and it comprises at least one metal selected from tungsten and molybdenum and 2 to 50% by weight of silver.

Abstract: A low friction, low contact resistance coating for electrical terminal members, especially members made of copper base alloys and low carbon steel alloys and plastics, is formed of a coarse electroplate of tin or silver characterized by grains having an average dimension in the range of about 0.5 to 10 micrometers where such grains carry very small particles of polytetrafluoroethylene or the like having average diameters in the range up to about 0.30 micrometers.

Abstract: This invention concerns a composite material which is characterized by comprising a large number of composite material cells, as structural units of the composite material, each comprising a first phase composed of a base material and a second phase composed of a dispersion material surrounding the first phase discontinuously; and comprising a matrix comprising the base material and the dispersion material dispersed in the matrix, the dispersion material being dispersed discontinuously in the form of a three-dimensional network in the composite material; wherein the dispersion materials of the composite material cells are combined to form a composite material skeletal part, thereby exhibiting properties of the dispersion material without reducing the strength of the matrix owing to the skeletal part, and improving strength characteristics thereof owing to the skeletal part serving as a resistance to external stress.

Abstract: A nickel, chromium, iron alloy for use in producing weld deposits. The alloy comprises, in weight percent, about 27 to 31.5 chromium; about 7 to 11 iron; about 0.005 to 0.05 carbon; less than about 1.0 manganese, preferably 0.30 to 0.95 manganese; about 0.60 to 0.95 niobium; less than 0.50 silicon, preferably 0.10 to 0.30 silicon; 0.01 to 0.35 titanium; 0.01 to 0.25 aluminum; less than 0.20 copper; less than 1.0 tungsten; less than 1.0 molybdenum; less than 0.12 cobalt; less than 0.10 tantalum; less than about 0.10 zirconium, preferably 0.002 to 0.10 zirconium; less than about 0.01 sulfur; less than about 0.01 boron, preferably 0.001 to 0.01 boron; less than about 0.02 phosphorous; and balance nickel and incidental impurities.

Abstract: A highly corrosion resistant steel sheet for fuel tank comprising a lowermost layer of Zn or Zn-based plating layer deposited on each side of the steel sheet; a chemical conversion film deposited on each of the Zn or Zn-based plating layer; a metal powder-containing organic resin film deposited on one of the chemical conversion film, said metal powder-containing organic resin film containing Al and Ni metal powders and an amine modified epoxy resin; and a silica-containing organic resin film deposited on the other chemical conversion film, said silica-containing organic resin film containing at least one resin having at least one functional group selected from hydroxyl group, isocyanate group, carboxyl group, glycidyl group, and amino group; silica; and a lubricant.

Abstract: A composition for transparent coloration of a glass surface. The composition has fine gold (Au) particles; fine silver (Ag) particles; a fixing agent including an organic Ti compound, an organic Fe compound, and an organic Si compound; a binder resin; and an organic solvent. The relationship between the amount of gold and silver particles to the fixing agent as a ratio of the number of metal atoms is as follows: (Au+Ag)/(Ti+Fe+Si)<½.

Abstract: A method by which a conventional circuit trace (14) is modified with a layer (16) of high-conductivity solder alloy to yield a high-current circuit trace (12) for high-current routing on a substrate (10). The method generally entails the use of a solder composition that contains a dispersion of metal particles (18) in a solder alloy (20). The metal particles (18) are selected on the basis of having a higher electrical conductivity than the solder alloy (20), and are present in sufficient amounts so that the electrical conductivity of the solder composition is significantly higher than that of the solder alloy (20). The solder composition is deposited on a conductor (14), and then reflowed to form a conductive layer (16) on the conductor (14). The metal particles (18) remain as a discrete dispersion within the conductive layer (16) in order to suitably promote the conductivity of the layer (16).

Abstract: A family of aluminoborate glasses that are compatible with aluminum at elevated temperatures, and an article comprising such a glass with either an aluminum coating, or with aluminum particles dispersed within the glass, whereby the glass may be rendered polarizing. The base glass consists essentially of, 15-85% B2O3, 5-45% Al2O3 and 10-75% Li2O+RO, where RO represents the alkaline earth metal oxides MgO, CaO, SrO and BaO, and is free of oxides reacting with aluminum at elevated temperatures.

Abstract: The contact material of the present invention comprises: an anti-arcing constituent consisting of at least one TiC, V and VC of which the content is 30˜70 volume % and whose mean particle (grain) size is 0.1˜9 &mgr;m; C whose content is 0.005˜0.5 weight % with respect to the anti-arcing constituent, whose diameter is 0.01˜5 &mgr;m when its shape is calculated as spherical, and which is in non-solid solution condition or condition in which it does not form a chemical compound; and a conductive constituent consisting of Cu and constituting the balance.

Abstract: There is disclosed a high temperature sliding alloy consisting of, by weight, 2 to 8% Cr, 2 to 10% Fe, 0.1 to 1.5% Si, 2 to 22% Co, 1.4 to 11% Mo, and the balance Ni, wherein 1 to 35% by weight of Co—Mo—Cr—Si base hard particles are dispersed in a matrix of the sliding alloy, and each of the hard particles has an oxide phase formed on a surface thereof. With this construction, the sliding alloy exhibits excellent sliding properties and particularly a low friction coefficient and excellent wear resistance in the temperature range of from a room temperature to 900° C.

Abstract: A technique of forming a metallurgical bond between pads on two surfaces is provided. A metal coating placed on each surface includes a first metal base layer and a second metal surface layer. The first and second metals include a low melting point constituent. A first ratio of the two metals forms a liquid phase with a second ratio of the two metals forming a solid phase. The volume of the base layer metal exceeds the volume necessary to form the solid phase between the base metal and the surface metal. Conductive metal particles are provided having a core metal and a coating metal dispersed in an uncured polymer material, at a volume fraction above the percolation threshold. The core metal and the coating metal together include a low melting point constituent. At a first ratio the components form a liquid phase and at a second ratio the two components form a solid phase.

Abstract: A tip cap hole is loaded with a first composition comprising particles of a first alloy having a solidus temperature above the brazing temperature. The first composition is covered with a second composition comprising particles of a second alloy having a liquidus temperature below the brazing temperature. The second composition is heated to the brazing temperature to cause particles of the second alloy to melt to form a liquid of the second alloy which is carried into spaces between the particles of the first alloy by capillarity. The liquid of the second alloy is cooled to form a solid securely bonding the particles of the first alloy. By weight, the second alloy has no more than 1% B and from 3% to 11% Si. The first alloy has Cr and at least about 5% Al, at least about 0.5% Hf, no more than 0.5% Ti.

Abstract: A method for installing an electroconductive flooring and an electroconductive welding rod for use in this method are disclosed. The electroconductive welding rod is composed of a joint material including as the main component a thermoplastic resin composition of a ribbon-shape or a rod-shape, with the peripheral surface thereof being coated with an electroconductive coating material. The method for installing the electroconductive flooring is composed of the steps of laying flooring sheets in mutual contact and cutting joint-forming grooves, or laying the flooring sheets with spaces therebetween for the formation of the joints of the adjacent flooring sheets, softening the electroconductive welding rod, filling the softened electroconductive welding rod into the grooves or the spaces between the flooring sheets, and welding the adjacent flooring sheets to form joints, whereby the flooring sheets are electrically integrated.

Abstract: A technique of forming a metallurgical bond between pads on two surfaces is provided. A metal coating placed on each surface includes a first metal base layer and a second metal surface layer. The first and second metals include a low melting point constituent. A first ratio of the two metals forms a liquid phase with a second ratio of the two metals forming a solid phase. The volume of the base layer metal exceeds the volume necessary to form the solid phase between the base metal and the surface metal. Conductive metal particles are provided having a core metal and a coating metal dispersed in an uncured polymer material, at a volume fraction above the percolation threshold. The core metal and the coating metal together include a low melting point constituent. At a first ratio the components form a liquid phase and at a second ratio the two components form a solid phase.

Abstract: Copper alloys containing between 0.01 and 10 weight percent of at least one alloying element selected from carbon, indium and tin for improved electromigration resistance, low resistivity and good corrosion resistance that can be used in chip and package interconnections and a method of making such interconnections and conductors by first forming the copper alloy and then annealing it to cause the diffusion of the alloying element toward the grain boundaries between the grains in the alloy are disclosed.

Abstract: A powder-metallurgy produced high-speed steel article having a combination of high hardness and wear resistance, particularly at elevated temperatures. This combination of properties is achieved by the combination of W, Mo, V, and Co. The article is particularly suitable for use in the manufacture of gear cutting tools, such as hobs, and surface coatings.

Abstract: The present invention is related to a family of materials that may act as a replacement for lead in applications where the high density of lead is important, but where the toxicity of lead is undesirable. The present invention more particularly provides a high density material comprising tungsten, fiber and binder. Methods and compositions of such materials and applications thereof are disclosed herein.

Abstract: In a process for producing powder metallurgy objects containing two or more individually formed pieces, the individual formed pieces or powder compacts which are comprised of powder and a binder are joined together. A polymer compatible with the binder is sandwiched between two such powder compacts. A lamination joint is formed. The polymer is then softened, and a resultant aggregate body is thermally processed to remove the binder and polymer. The resulting object has no residual interface between the original individually formed pieces. There is no discernable boundary at the lamination joint. The final part is homogeneous and uniform with no foreign material or structural imperfections at the joint.

Abstract: A contact material for a vacuum interrupter including, a conductive component including at least Cu, and an arc-proof component including at least one selected from the group consisting of carbides of W, Zr, Hf, V and Ti. An amount of the conductive component in the contact material is 40-50 vol %, an amount of the arc-proof component in the contact material is 50-60 vol %, and a grain size of the arc-proof component is 3 .mu.m or less. A total amount of a sintering activator including at least one selected from the group consisting of Co, Fe and Ni melted in the conductive component is 0.1% or less of the amount of the conductive component.

Abstract: A process for producing a metal-base sinter, comprising sintering coated metal particles wherein the particles are prepared for sintering by the steps of: dispersing a powder of metal core particles in a gaseous atmosphere to form a mixture of a gas and particles in a powder of highly dispersed core particles; charging a precursor for the coat forming substance that has been formed via the vapor phase and/or a precursor for the coat forming substance in a vapor-phase state and the mixture of the gas and the powder of highly dispersed core particles that have a predetermined dispersity according to the average diameter of the core particles in a coating start region of a coating space; coating the surfaces of the core particles with the coat forming substance by allowing the precursor to contact and/or impinge against the core particles; shaping and sintering the thus coated metal core particles or a mixture containing them under appropriate sintering conditions.

Abstract: Bearing materials used for rolling bearings, such as roller bearings and ball bearings, and in particular, a bearing material having an extended rolling contact fatigue life.A bearing material having an extended rolling contact fatigue life comprises: 0.95 to 1.10 mass % of C, 0.15 to 0.70 mass % of Si, 1.15 mass % or less of Mn, 0.90 to 1.60 mass % of Cr and 0.025 mass % or less of P, and further 0.025 mass % or less of S and 0.0012 mass % or less of O as elements forming nonmetal inclusions, and the balance being Fe and incidental impurities, and the bearing material further contains 0.020 mass % or less of AlN, or the number of nonmetal sulfide inclusions each having a thickness of 1 .mu.m or more is 1,200 or less in an observation area of 320 mm.sup.2 for further extending the rolling contact fatigue life.

Abstract: The present invention concerns finely divided particles of compounds that provide flame retardancy and/or smoke suppressant properties to fibers, textiles, polymeric articles, paper, paint, coating and insulation. More particularly, the present invention concerns colloidal-sized particles of hydrated salts, organic phosphates, metal borates, polyamides, solid halogenated flame retardants with a melting point greater than 250.degree. C., molybdenum compounds, metallocenes, antimony compounds, zinc compounds, bismuth compounds and other solid chemicals which act as flame retardants or smoke suppressants. The present invention also concerns various milling processes to reduce these materials to colloidal sizes and to disperse them in water, organic liquids and meltable solids.

Abstract: A Mo-W material for the formation of wirings is discloses which, as viewed integrally, comprises 20 to 95% of tungsten and the balance of molybdenum and inevitable impurities by atomic percentage. The Mo-W material for wirings is a product obtained by compounding and integrating a Mo material and a W material as by the powder metallurgy technique or the smelting technique or a product obtained by arranging these materials in amounts calculated to account for the percentage composition mentioned above. The Mo-W material containing W in a proportion in the range of from 20 to 95% manifests low resistance and, at the same time, excels in workability and tolerance for etchants. The wiring thin film which is formed of the Mo-W alloy of this percentage composition is used as address wirings and others for liquid crystal display devices.

Abstract: An electromagnetic wave absorption panel for use in building construction includes a protective tile layer, an absorber layer, a metal reflective layer, and a building support layer, such as concrete. The absorber layer utilizes novel materials including high dielectric constant materials, such as ABO.sub.3 type perovskites, layered superlattice materials, conducting oxides, and signet magnetics, ferroelectrics, such as ABO.sub.3 type perovskites and layered superlattice materials, garnets, a nickel-zinc ferrite, Ni.sub.0.4 Zn.sub.0.6 Fe.sub.2 O.sub.4, and polymer-ceramic composites of the above materials.

Abstract: A composition comprising conductive particles and polymeric material selected from the group of polymers, pre-polymers and mixtures thereof wherein at least about 5 percent by weight of the particles included in the composition have been subjected to treatment such that the particles have chloride at least on their surface prior to inclusion in the composition.

Abstract: Electroconductive composite metal powders comprising flat non-noble metal powders, each covered with a noble metal in an amount of 2 to 30% by weight in average based on the weight of the non-noble metal powders, on 50% or more in average of the whole surface area of the non-noble metal powders, interposing a layer of a mixture of the non-noble metal and noble metal between each non-noble metal powder and a noble metal covering layer, are suitable for providing an electroconductive paste after mixing with a binder, said paste showing excellent electroconductivity and prevention of migration.

Abstract: This invention relates to a method or process of forming a sintered article of powder metal, and particularly relates to a process of forming a sintered article of powder metal by blending combinations of finely ground ferro alloys (either singly or in combination with other ferro alloys) with elemental iron powder and other additives and then high temperature sintering of the article in a reducing atmosphere to produce sintered parts with oxygen contents less than 250 parts per million (ppm). More particularly the ferro alloys admixed to the base iron have a mean particle size of approximately 8 to 12 microns, having previously been ground to size in an inert atmosphere.

Abstract: A composite material is composed of a matrix and dispersed components which form a discontinuous three-dimensional network structure in the matrix. It permits the dispersed components to fully exhibit the characteristic properties without any loss of mechanical properties. A process for producing the above-mentioned composite material includes preparing a raw material powder such that granules of desired shape for the matrix are discontinuously covered with components of desired shape for the dispersed phase, molding the raw material powder into a desired shape, and heating the molded article.

Abstract: A magnetoresistive device has an alloy film, including a ferromagnetic substance and a non-magnetic substance which is not soluble in solid phase in the ferromagnetic substance or is in a eutectic relation with the ferromagentic substance. The ferromagnetic substance forms grains in the non-magnetic substance, and the grains preferably have anisotropic shapes. The non-magnetic substance is conducting. The alloy film is composed of a plurality of alloy film stripes. Alternatively the magneto-resistive device includes a non-magnetic layer arranged between first and second magnetic layers, wherein the non-magnetic layer has 10 to 50 weight percent of grains of a magnetic substance dispersed therein.

Abstract: A conducting thick film composition, a thick film electrode made by sintering this composition, and a ceramic electronic component and a laminated ceramic capacitor in which this thick film electrode is used of which the electrical reliability are improved by the strength of the bond between the ceramic substrate and a thick film electrode being increased by the elimination of blistering and cracking of the electrode during sintering of the composition and the adherence of solder to the electrode being improved by the elimination of glass separation out onto the surface of the electrode during sintering. The conducting thick film composition comprises Cu powder, glass powder and an organic vehicle, the Cu powder comprises spherical powder and scaly powder and the glass powder comprises borosilicate zinc glass and borosilicate barium glass.

Abstract: A magnetoresistance effect element comprises a magnetic body obtained by dispersing magnetic metal particles containing at least one magnetic element selected from the group consisting of Fe, Co, and Ni in a semiconductor matrix.

Abstract: The present invention relates to a magnetic recording medium for use in an external memory device of an information processing apparatus etc., and an object thereof is to reduce noise, achieve high coercive force, and use the substance as a magnetic recording medium for detecting signals in a magnetoresistance head. In the magnetic recording medium comprising the magnetic recording layer 25 including ferromagnetic grains 22 and a nonmagnetic substance 23, the improvement in structure comprises that the ferromagnetic grains 22 are formed to have respectively an average grain diameter of 50 nm or less and not to be overlapped in the film thickness direction and to be isolated in the direction along a layer surface, and that a product of residual magnetization and a film thickness of the magnetic recording layer 25 is less than or equal to 150 Gauss.cndot..mu.m.

Abstract: The present invention provides a ceramic based composite powder and a method for applying the composite powder using a H.V.O.F. gun to form a self-lubricating coating for metal parts. The composite powder and coating are comprised of a ceramic powder, a metal powder, and a solid lubricant powder.

Abstract: This invention relates to a substrate for semiconductor apparatus loading a semiconductor chip in integrated circuit apparatus and is characterized in that a sintered compact containing copper of 2 to 30 wt. % in tungsten and/or molybdenum is used as the substrate having the heat radiation capable of efficiently radiating heat developed from the loaded semiconductor chip and thermal expansion coefficient similar to those of semiconductor chip and other enclosure material except for the substrate.

Abstract: A forming process utilizing liquid absorption by a liquid-absorbing substance, includes preparing a liquid mixture containing at least one substance dispersible or soluble in the liquid mixture, a liquid capable of dispersing or dissolving the at least one substance, and a liquid-absorbing substance capable of absorbing the liquid by itself or when modified, and placing the liquid mixture in a mold and allowing the substance to absorb the liquid to obtain a formed material. In the forming process, the moldability is not influenced by the particle shape, particle diameter or particle size distribution of the at least one substance dispersible or soluble in the liquid, and the formed material obtained by said process has no internal strain and is homogeneous and elastic.

Abstract: An aluminium flake pigment characterized in that the ratio of the average thickness of flakes to the average diameter of flakes is in the range of 0.025 to 0.3, preferably 0.028 to 0.1 and the ratio of the water covering area to the specific surface area is in the range of 0.18 to 0.4, preferably 0.19 to 0.35 is disclosed herein.The aluminium flake pigment of the invention has the improved resistance to the circulation of the metallic paint during the painting.