An FePt-based sintered sputtering target containing C and/or BN, wherein an area ratio of AgCu alloy grains on a polished surface of a cross section that is perpendicular to a sputtered surface of the sputtering target is 0.5% or more and 15% or less. An object of this invention is to provide a sputtering target capable of reducing particles generation during sputtering and efficiently depositing a magnetic thin film of a magnetic recording medium.

A thick film paste comprising at least one particulate platinum (alloy), at least one metal compound, and an organic vehicle, wherein the at least one metal compound is selected from the group consisting of in each case particulate NiO, SiO.sub.2, RuO.sub.2, Rh.sub.2O.sub.3, IrO.sub.2, Cu.sub.2O, CuO, TiO.sub.2, ZrO.sub.2, PbO, SnO.sub.2, CeO.sub.2, Al.sub.2O.sub.3, MgO, MnO.sub.2 and MoO.sub.2, and metal compounds capable of forming a metal oxide on firing, the metal oxide being selected from the group consisting of NiO, SiO.sub.2, RuO.sub.2, Rh.sub.2O.sub.3, IrO.sub.2, Cu.sub.2O, CuO, TiO.sub.2, ZrO.sub.2, PbO, SnO.sub.2, CeO.sub.2, Al.sub.2O.sub.3, MgO, MnO.sub.2 and MoO.sub.2.

A thick film paste comprising at least one particulate platinum (alloy), at least one metal compound, and an organic vehicle, wherein the at least one metal compound is selected from the group consisting of in each case particulate NiO, SiO.sub.2, RuO.sub.2, Rh.sub.2O.sub.3, IrO.sub.2, Cu.sub.2O, CuO, TiO.sub.2, ZrO.sub.2, PbO, SnO.sub.2, CeO.sub.2, Al.sub.2O.sub.3, MgO, MnO.sub.2 and MoO.sub.2, and metal compounds capable of forming a metal oxide on firing, the metal oxide being selected from the group consisting of NiO, SiO.sub.2, RuO.sub.2, Rh.sub.2O.sub.3, IrO.sub.2, Cu.sub.2O, CuO, TiO.sub.2, ZrO.sub.2, PbO, SnO.sub.2, CeO.sub.2, Al.sub.2O.sub.3, MgO, MnO.sub.2 and MoO.sub.2.

To provide a brazing material for maintaining bonding strength between ceramic substrate and metal plate at a conventionally attainable level, while addition amount of In is reduced, and a brazing material paste using the same. A mixture powder provided by mixing alloy powder composed of Ag, In, and Cu, Ag powder, and active metal hydride powder, the mixture powder containing active metal hydride powder with a 10-to-25-μm equivalent circle average particle diameter by 0.5 to 5.0 mass %, the equivalent circle average particle diameters for the alloy powder, Ag powder, and active metal hydride powder having a relationship: alloy powder≧active metal hydride powder>Ag powder, and the powder mixture having a particle size distribution of d10 of 3 to 10 μm, d50 of 10 to 35 μm, and d90 of 30 to 50 μm, and in the frequency distribution, a peak of the distribution existing between d50 and d90.

A method for producing microparticles and/or nanoparticles based on zero-valent metals directly inside a filtering media and/or for creating covering layers based on the zero-valent metals for covering. The filleting media includes the steps of introducing at least one solution containing metal salts in the filtering medium, introducing at least one solution containing inorganic reducing agents into the filtering medium. The steps of introducing the at least one solution containing metal salts and the at least one solution containing inorganic reducing agents inside the filtering medium is carried out in a way separated in time and/or in space to realize, in the filtering medium, a mixture of metal ions with the inorganic reducing agents as well as a chemical reduction of the zero-valent metals to form the microparticles and/or the nanoparticles and/or coverings based on the zero-valent metals inside of the filtering medium.

The invention relates to a production method of the powders composed of spherical heavy metal particles utilizing an ultrasonic atomization, where these powders can be applied in industrial applications, like additive manufacturing and several other. The method for production of heavy metal powders by ultrasonic atomization comprises providing a heavy metal raw material (5) in the vicinity of a heat source (13) being an electric arc (13), heating the heavy raw material (5) by the electric arc (13), so as to create a molten metal pool (21) on a sonotrode (3), the molten metal pool (21) having a temperature equal to or greater than the melting temperature of the heavy metal raw material (5), but below the vaporization temperature of the heavy metal raw material (5), providing ultrasonic mechanic vibrations by the sonotrode (3) to the molten metal pool (21), so as to cause the heavy metals droplets (11) being ejected from the molten metal pool (21), directing the ejected heavy metal droplets (11) away from the molten metal pool (21), so as the heavy metal droplets (11) freely cool down within a predetermined distance at least by radiation and transform to a heavy metal powder (11), collecting the heavy metal powder (11), so as to collect at least 75% of the heavy metal raw material (5) in the form of the heavy metal powder (11′).

The invention relates to a production method of the powders composed of spherical heavy metal particles utilizing an ultrasonic atomization, where these powders can be applied in industrial applications, like additive manufacturing and several other. The method for production of heavy metal powders by ultrasonic atomization comprises providing a heavy metal raw material (5) in the vicinity of a heat source (13) being an electric arc (13), heating the heavy raw material (5) by the electric arc (13), so as to create a molten metal pool (21) on a sonotrode (3), the molten metal pool (21) having a temperature equal to or greater than the melting temperature of the heavy metal raw material (5), but below the vaporization temperature of the heavy metal raw material (5), providing ultrasonic mechanic vibrations by the sonotrode (3) to the molten metal pool (21), so as to cause the heavy metals droplets (11) being ejected from the molten metal pool (21), directing the ejected heavy metal droplets (11) away from the molten metal pool (21), so as the heavy metal droplets (11) freely cool down within a predetermined distance at least by radiation and transform to a heavy metal powder (11), collecting the heavy metal powder (11), so as to collect at least 75% of the heavy metal raw material (5) in the form of the heavy metal powder (11′).

The present invention relates to silver particles capable of having a uniform particle distribution, preventing agglomeration of a powder, and significantly improving dispersibility, the silver particles each having pores therein, and to a manufacturing method therefor and, more specifically, to a manufacturing method for silver particles, the method comprising a silver-complex forming step, a silver slurry preparing step, and a silver particle obtaining step, and to silver particles manufactured therefrom.

A method includes disposing a braze material adjacent a first body and a second body; heating the braze material and forming a transient liquid phase; and transforming the transient liquid phase to a solid phase and forming a bond between the first body and the second body. The braze material includes copper, silver, zinc, magnesium, and at least one material selected from the group consisting of nickel, tin, cobalt, iron, phosphorous, indium, lead, antimony, cadmium, and bismuth.

Embodiments disclosed herein relate to production of amorphous alloys having compositions of iron, chromium, molybdenum, carbon and boron for usage in additive manufacturing, such as in layer-by-layer deposition to produce multi-functional parts. Such parts demonstrate ultra-high strength without sacrificing toughness and also maintain the amorphous structure of the materials during and after manufacturing processes. An Amorphous alloy composition has a formula Fe.sub.100-(a+b+c+d)Cr.sub.aMo.sub.bC.sub.cB.sub.d, wherein a, b, c and d represent an atomic percentage, wherein: a is in the range of 10 at. % to 35 at. %; b is in the range of 10 at. % to 20 at. %; c is in the range of 2 at. % to 5 at. %; and d is in the range of 0.5% at. % to 3.5 at. %.