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WO/2003/025238A1 |
The sputter target (10) includes a tantalum body (12) having tantalum grains formed from consolidating tantalum powder and a sputter face (16). The sputter face (16) has an atom transport direction (D) for transporting tantalum atoms awa...
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WO/2003/016585A1 |
A sintered tungsten target for sputtering, characterized in that it exhibits a relative density of 99 % or more, an average crystal grain diameter of 100 μm or less, an oxygen content of 20 ppm or less and a deflection force of 500 MPa ...
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WO2001068246A9 |
An inexpensive, highly catalytic material preferably formed by a leaching process. The catalyst comprises a finely divided metal particulate and a support. The active material may be a nickel and/or nickel alloy particulate having a part...
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WO/2003/009367A1 |
A hafnium silicide target for forming a gate oxide film which comprises HfSi1.02−2.00&semi and a method for preparing the hafnium silicide target. The hafnium silicide target has good resistane to embrittlement and is sutable for the f...
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WO/2003/006702A1 |
A hafnium silicide target for forming a gate oxide film made of HfSi0.05−0.37. An HfSiO film usable as a high−dielectric gate insulating film having a characteristic alternative to that of an SiO2 film, a hafnium silicide target pref...
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WO2002094499B1 |
This invention relates to a high temperature melting composition and method of using the composition for brazing high temperature niobium-based substrates, such as niobium-based refractory metal-intermetallic compositions (RMIC), includi...
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WO2001064374A9 |
Nitrided valve metals are described, such as nitrided tantalum and nitrided niobium. The nitrided valve metals preferably have improved flow properties, higher Scott Densities, and/or improved pore size distribution which leads to improv...
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WO/2002/090022A1 |
This invention relates to powders of substantially spherical particles that consist essentially of at least about 10% by weight rhenium optionally alloyed with up to about 90% by weight tungsten or up to about 60% by weight molybdenum. I...
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WO/2002/088412A2 |
Extruded tantalum billets and niobium billets are described having a substantially uniform grain size and preferably an average grain size of about 150 microns or less and more preferably an average grain size of about 100 microns or les...
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WO/2002/088405A1 |
A method for preparing a Cr-Ti-V type hydrogen occlusion alloy utilizing the thermite process, which comprises a step (A) of providing a raw material (1) for the alloy including a Cr oxide, a V oxide and Al as a reducing agent and a raw ...
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WO/2002/081192A1 |
A Nb3Al superconducting wire and method for fabricating the same wherein Nb and Al powders in combination, or Nb-Al alloy powders are encapsulated in a metal tube, preferably copper or copper-alloy (e.g., CuNi), and the resultant composi...
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WO/2002/079546A1 |
The invention includes a method of forming a material which comprises at least two elements. More specifically, the method comprises providing an electrolytic cell (10) comprising a cathode (12), an anode (14), and an electrolytic soluti...
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WO/2002/075758A1 |
1. A niobium powder for capacity, wherein the chromium content is 50 ppm by mass or less, granulated product and sintered body thereof, and producing method of those; 2. a capacitor constructed by one part electrode formed of the niobium...
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WO/2002/070765A1 |
A method (10) of forming sputtering target from ingots of tantalum or niobium of requisite purity by the process of cutting the ingot to short lengths (12) and pressure working (14, 22, 30, 34) the ingot along alternating essentially ort...
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WO/2002/066695A1 |
A hydrogen occlusion alloy, characterized in that it has a composition: MgX¿a?V¿b?, wherein 0.2 &< a < 5 and 0,2
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WO/2002/064858A1 |
The allows: Ta-Si, Nb-Si, TaN-Si, NbN-Si and variants are used as enhanced powder anode substrates for electrolytic capacitor anodes (sintered powder masses) with dielectric oxide formation at walls of the internal pores.
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WO/2002/063060A2 |
A niobium-based superconductor is manufactured by establishing multiple niobium components (4) in a billet of a ductile metal, working the composite billet through a series of reduction steps to form the niobium components into elongated...
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WO/2002/055747A1 |
The invention relates to a powder metallurgical method for producing high-density shaped parts from an alloy consisting of, apart from at least 20 wt. % chromium, iron and of one or more additional alloy proportions whose sum does not ex...
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WO/2002/048433A1 |
A chemical conversion film of a valve action metal, which comprises a portion having intermediate compositions between those of the metal and the metal oxide, wherein the intermediate composition portion has a thickness of 40 nm or more;...
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WO/2002/045109A1 |
A pellet for use in electrolytic capacitor is comprised of a powder selected from one of Tantalum and Niobium. The pellet is porous, free from oxygen, annealed by heat, and diffused with nitrogen with all these attributes being achieved ...
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WO/2002/044437A2 |
The alloys are comprised of a multiplicity of alternate, microcrystalline or nanocrystalline films of tungsten metal and tungsten compound. The tungsten compound film may be comprised of a tungsten carbide or a tungsten boride. The tungs...
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WO/2002/045107A1 |
A nobium powder for capacitors, which contains from 0.05 to 20% by mass of niobium monoxide crystal and from 0.05 to 20% by mass of hexaniobium monoxide crystal; a sintered body thereof; and a capacitor fabricated from the sintered body ...
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WO/2002/042507A1 |
A hydrogen-occluding alloy which is represented by the empirical formula: Cr¿a?Ti¿b?V¿c?Fe¿d?M¿e?X¿f?, wherein M is Al or the like, X is La or the like, 30 $m(F) a $m(F) 70, 20 $m(F) b $m(F) 50, 5 $m(F) c $m(F) 20, 0 $m(F) d $m(F) ...
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WO/2002/043440A1 |
A method of increasing the useful life of heating elements that consist essentially of molybdenum silicide and alloys of this basic material, said elements operating at high temperatures in heat treatment processes and resting against th...
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WO/2002/034436A1 |
A process for producing sintered pellets made from blends of refractory metal and refractory metal nitride powders were found to have a higher fraction of intra-agglomerate pores than those made from the refractory metal or refractory me...
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WO/2002/028767A1 |
A method of absorption-desorption of a hydrogen storage alloy, characterized in that the temperature (T2) of the hydrogen storage alloy in the last stage of a hydrogen desorbing step is a temperature higher than the temperature (T0) of t...
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WO/2002/028768A1 |
A method of absorption-desorption of a hydrogen storage alloy, characterized in that the temperature (T2) of a hydrogen storage alloy in the last stage of a hydrogen desorbing step is a temperature higher than the temperature (T1) of the...
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WO/2002/029125A1 |
A high purity zirconium or hafnium which is extremely reduced in the contents of an alkali metal such as Na or K, a radioactive element such as U or Th, a transition metal or heavy metal or high melting point metal such as Fe, Ni, Co, Cr...
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WO/2002/005863A1 |
A tubular stent formed from a binary alloy whose primary constituent elements are either tantalum-tungsten or tantalum-niobium. The stent providing optimum radiopacity for real time visualization of the stent during a stent placement pro...
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WO/2001/098561A2 |
Method for forming on a superalloy or other metallic substrate a platinum graded, outward single phase diffusion aluminide coating (100) on a surface of the substrate by depositing a layer comprising Pt on the substrate and then gas phas...
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WO/2001/099130A1 |
The invention relates to capacitors, which contain vanadium, are based on niobium, and which comprise a BIAS-independent capacitance.
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WO/2001/096623A1 |
The present invention relates to Ti-Zr-Mn-Cr based Laves Phase hydrogen storage alloy having high hydrogen storage capacity, and excellent slopping and hysterisis characteristics. In the Ti-Zr-Mn-Cr based Laves Phase hydrogen storage all...
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WO/2001/096620A2 |
High purity niobium metals and alloys containing the same are described. The niobium metal preferably has a purity of at least 99.99 % and more preferably at least 99.999 %. In addition, niobium metal and alloys thereof are described, wh...
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WO/2001/091953A1 |
A niobium or tantalum powder characterized in that it comprises aggregates of primary particles of niobium or tantalum and has a pore distribution having a peak in the range of 1 to 20 $g(m)m as measured by the mercury porosimetry. The n...
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WO/2001/087521A2 |
The thermal conductivity of a sintered copper/refractory metal composite having a maximum porosity of about 1 % is greatly improved when the composite contains phosphor and sintering aid in a specified weight ratio, 'phosphor/sintering a...
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WO/2001/085381A1 |
The invention relates to a method of operating a welding machine as well as to a welding machine comprising a frame, a first electrode (33) having a fixed position in the frame and a second electrode (35) which is mounted in the frame so...
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WO/2001/081029A1 |
A niobium powder for use in a capacitor, characterized in that it comprises a niobium powder being partially oxydized and partially nitrized which has a mass ratio of the amount of nitrogen to that of oxygen of 1/45 or more; a sintered c...
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WO/2001/080313A1 |
A material of a heat-dissipating plate on which a semiconductor is mounted is a copper-molybdenum composite rolled sheet produced by rolling a copper-molybdenum composite body prepared by filling/impregnating the voids among the particle...
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WO/2001/078109A2 |
The present invention provides a plurality of layered substrates for semiconductor packages. The substrates include, for example, a metal matrix composite layer and at least one carrier layer (142, 144) having a coefficient of thermal ex...
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WO/2001/068557A1 |
The invention concerns a method for assembling at least two parts made of materials based on silicon carbide by non-reactive refractory brazing, which consists in contacting said parts with a non-reactive brazing composition and heating ...
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WO/2001/066809A1 |
A metal having a high chromium content, characterized in that it is produced in an arc melting furnace and contains Cr in an amount of 85 % or more and has an Al content of 0.005 % or less, an Si content of 0.1 % or less and an S content...
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WO/2001/061421A2 |
The invention relates to the production of materials intended to be used in an oxidizing medium at high temperatures in order to manufacture high temperature electrical heaters, parts, transducers and instruments working at the temperatu...
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WO/2001/059168A1 |
The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has good room temperature ductility, excellent high temperature oxidation resistance and ductility. The ...
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WO/2001/057280A1 |
The present invention relates to a method for grain refining of steel. A grain refining alloy having a composition FeXY where X is one or more elements selected from the group consisting of Cr, Mn, Si, Ni, and Mo and where Y is one or mo...
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WO/2001/051677A1 |
Methods for producing medium-density articles from recovered high-density tungsten alloy (WHA) material (16), and especially from recovered WHA scrap. In one embodiment of the invention, the method includes forming a medium-density alloy...
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WO/2001/044528A1 |
A hydrogen storage alloy having body-centered cubic structure phase being capable of absorbing and releasing hydrogen as a main phase, characterized in that it has a composition represented by a general empirical formula: Ti¿(100-a-0.4b...
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WO/2001/044526A1 |
A hydrogen storage alloy having body-centered cubic structure phase being capable of absorbing and releasing hydrogen as a main phase, characterized in that it has a composition represented by a general empirical formula: Ti¿(100-a-0.4b...
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WO/2001/044527A1 |
A method for preparing a hydrogen storage alloy having body-centered cubic structure phase being capable of absorbing and releasing hydrogen, characterized in that it comprises a melting step of melting raw materials for the alloy having...
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WO/2001/044525A1 |
A hydrogen storage alloy comprising, as a main phase, a body-centered lattice structure being capable of storing and releasing hydrogen, characterized as having a composition represented by the general empirical formula: Ti(100-a-0.4b)Cr...
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WO/2001/018276A1 |
A high melting point metal based alloy material which is producedby a method wherein a metal element for forming a nitride contained as a component of a solid solution in an alloy-forming material having one metal of Mo, W and Cr as a ma...
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