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| Number | Title | Issue Date |
| 8128765 | Large grain cavities from pure niobium ingot Niobium cavities are fabricated by the drawing and ironing of as cast niobium ingot slices rather than from cold rolled niobium sheet. This method results in the production of niobium cavities having a minimum of grain boundaries at a significantly reduced cost as c... | 03/06/2012 |
| 8062440 | Hafnium alloy target and process for producing the same A hafnium alloy target containing either or both of Zr and Ti in a gross amount of 100 wtppm-10 wt % in Hf, wherein the average crystal grain size is 1-100 μm, the impurities of Fe, Cr and Ni are respectively 1 wtppm or less, and the habit plane ratio of the plane ... | 11/22/2011 |
| 7927435 | Zirconium strip material and process for making same Methods for producing zirconium strips that demonstrate improved formability are disclosed. The zirconium strips of the present disclosure have a purity and crystalline microstructure suitable for improved formability, for example, in the manufacture of certain arti... | 04/19/2011 |
| 7699948 | Ta sputtering target and method for preparation thereof A manufacturing method of a Ta sputtering target in which a Ta ingot or billet formed by melting and casting is subject to forging, annealing, rolling processing and the like to prepare a sputtering target, wherein the ingot or billet is forged and thereafter subjec... | 04/20/2010 |
| 7468110 | Hollow cathode target and methods of making same Sputtering targets and methods of making sputtering targets are described. The method includes the steps of: providing a sputtering metal workpiece made of a valve metal; transverse cold-rolling the sputtering metal workpiece to obtain a rolled workpiece; and cold-w... | 12/23/2008 |
| 7431782 | High purity tantalum, products containing the same, and methods of making the same High purity tantalum metals and alloys containing the same are described. The tantalum metal preferably has a purity of at least 99.995% and more preferably at least 99.999%. In addition, tantalum metal and alloys thereof are described, which either have a grain siz... | 10/07/2008 |
| 7332123 | Method for manufacturing composite articles and the articles obtained therefrom A method of molding an article comprises inserting a mandrel into the cavity of the mold; placing a niobium based refractory metal intermetallic composite powder into a cavity of a mold; consolidating the niobium based refractory metal intermetallic composite around... | 02/19/2008 |
| 7228722 | Method of forming sputtering articles by multidirectional deformation A method of producing a valve metal mill form having dimensions sufficient to be divided to form a plurality of sputter targets is described. The method includes multidirectional deformation of an ingot to form a mill form having a preferred average grain size of ab... | 06/12/2007 |
| 7175721 | Method for preparing Cr-Ti-V type hydrogen occlusion alloy The invention relates to a method for producing high-performance Cr—Ti—V hydrogen storage alloys utilizing a thermit process, whereby residence of adversely affecting impurities is inhibited, addition of not less than 10 at % of Ti as an alloy component is reali... | 02/13/2007 |
| 7156963 | Tantalum sputtering target and method for preparation thereof Provided is a tantalum sputtering target having a crystal structure in which the (222) orientation is preferential from a position of 10% of the target thickness toward the center face of the target, and a manufacturing method of a tantalum sputtering target, includ... | 01/02/2007 |
| 7101447 | Tantalum sputtering target with fine grains and uniform texture and method of manufacture A method for producing a tantalum sputtering component includes a minimum of three stages each of which include a deformation step followed by an inert atmosphere high-temperature anneal. Temperatures of each of the anneal steps can be different from one another. A ... | 09/05/2006 |
| 7081148 | Textured-grain-powder metallurgy tantalum sputter target The sputter target includes a tantalum body having tantalum grains formed from consolidating tantalum powder and a sputter face. The sputter face has an atom transport direction for transporting tantalum atoms away from the sputter face for coating a substrate. The ... | 07/25/2006 |
| 7067197 | Powder metallurgy sputtering targets and methods of producing same A method of forming a sputtering target and other metal articles having controlled oxygen and nitrogen content levels and the articles so formed are described. The method includes surface-nitriding a deoxidized metal powder and further includes consolidating the pow... | 06/27/2006 |
| 6992261 | Sputtering target assemblies using resistance welding A method of forming a sputtering target assembly and other metal articles is described. Sputtering target assemblies and metal articles are also described. The method includes bonding a sputter target to a backing plate using resistance heating or welding to bond as... | 01/31/2006 |
| 6935774 | Timepiece external part and method of manufacturing the part A wristwatch case (11) and a method of manufacturing the case, the wristwatch case comprising a wristwatch case body (1) made of titanium or stainless steel and a crown pipe (3) fixed to each other, wherein a stem hole (2) corresponding t... | 08/30/2005 |
| 6921470 | Method of forming metal blanks for sputtering targets The present invention relates to an improvement in the manufacture of metal blanks, discs, and sputtering targets by flattening only one of the two surfaces of a metal plate. The elimination of flattening the metal plate's second surface results in a significant cos... | 07/26/2005 |
| 6918974 | Processing of alpha-beta titanium alloy workpieces for good ultrasonic inspectability An alpha-beta titanium alloy workpiece, preferably furnished in the form of a cast ingot, is processed by mechanically working in the beta phase field and in the alpha-beta phase field, and thereafter quenching from the beta phase field. The workpiece is thereafter ... | 07/19/2005 |
| 6911100 | Method for controlling residual stress in prosthetics A method for producing predetermined internal stresses in a prosthetic device for implantation. The method includes first determining internal stresses which are preferred in prosthetics to instill a particular strength and longevity to the prosthetic. In particular... | 06/28/2005 |
| 6909766 | Production method for a nuclear fuel assembly support grid and a nuclear fuel assembly support grid produced by the same One object of the present invention is to provide a production method for a nuclear fuel assembly support grid that improves the corrosion resistance of welded parts without impairing the characteristics of the support grid so as to be able adequately withstand high... | 06/21/2005 |
| 6902634 | Method for manufacturing zirconium-based alloys containing niobium for use in nuclear fuel rod cladding The present invention relates to a method for manufacturing zirconium-based alloys containing niobium with superior corrosion resistance for use in nuclear fuel rod claddings. The method of this invention comprises melting of the alloy, β-forging, β-quenching, hot... | 06/07/2005 |
| 6863750 | High purity niobium and products containing the same, and methods of making the same 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, which either have a grain size of... | 03/08/2005 |
| 6861030 | Method of manufacturing high purity zirconium and hafnium The present invention relates to high-purity zirconium or hafnium with minimal impurities, particularly where the content of alkali metal elements such as Na, K; radioactive elements such as U, Th; transitional metals or heavy metals or high melting point metal elem... | 03/01/2005 |
| 6797080 | Method for producing spraying material When a chromium-iron-based alloy, preferably a chromium-iron-based alloy having a chromium content of about 60 to about 95 mass % is subjected to heat treatment at about 500 to about 1,300° C., and subsequently to grinding treatment by use of an impact mill, grinda... | 09/28/2004 |
| 6723183 | Silicide target for depositing less embrittling gate oxide and method of manufacturing silicide target The present invention relates to a non-brittle silicide target for forming a gate oxide film made of MSi0.8-1.2 (M: Zr, Hf), and provides a non-brittle silicide target suitable for forming a ZrO2.SiO2 film or HfO2.SiO... | 04/20/2004 |
| 6616779 | Workpiece made from a chromium alloy In a process for producing a workpiece from a chromium alloy, consisting of:... | 09/09/2003 |
| 6605165 | Method of manufacturing discharge wire A discharge wire usable in an electrification device includes a tungsten wire subjected to mirror finish processing and an oxidized layer formed by heating the surface of the tungsten wire at a temperature in the range 400 to 600° C., wherein the film ha... | 08/12/2003 |
| 6602445 | Method for the prevention of high temperatures corrosion due to alkali sulfates and chlorides using molybdenum An additive to a flame reaction forms noncorrosive deposits on cooler metal surfaces, which deposits are more stable than Na2 SO4 or K2 SO4. By adding molybdenum salts to the flame, an alkali polymolybdate is pr... | 08/05/2003 |
| 6569270 | Process for producing a metal article Described is the production of a metal article with fine metallurgical structure and texture by a process that includes forging and rolling and control of the forging and rolling conditions. Also described is a metal article with a minimum of statically c... | 05/27/2003 |
| 6540851 | Tantalum-silicon alloys and products containing the same and processes of making the same An alloy comprising tantalum and silicon is described. The tantalum is the predominant metal present. The alloy also has a uniformity of tensile strength when formed into a wire, such that the maximum population standard deviation of tensile strength for ... | 04/01/2003 |
| 6514360 | Method for manufacturing a tube and a sheet of niobium-containing zirconium alloy for a high burn-up nuclear fuel Disclosed is a method for manufacturing a tube and a sheet of niobium-containing zirconium alloys for the high burn-up nuclear fuel. The method comprises melting Nb-added zirconium alloy to ingot; forging the ingot at ଲ phase range; ଲ-quenchin... | 02/04/2003 |
| 6475311 | Alloy materials An alloy having a cube textured substrate is disclosed. The alloy includes two different metals. The alloy can be used as a substrate for a superconductor. Optionally, one or more buffer layers can be disposed between the substrate and the superconductor ... | 11/05/2002 |
| 6447623 | Creep resistant Nb-silicide based two-phase composites A two-phase niobium-based silicide composite exhibits creep resistance at temperatures equal to or greater than 1150° C. The niobium-based silicide composite comprises at least silicon (Si) hafnium (Hf), titanium (Ti), and niobium (Nb). The concentration... | 09/10/2002 |
| 6406572 | Process for the production of a workpiece from a chromium alloy, and its use In a process for producing a workpiece from a chromium alloy, consisting of: 32-37 % by weight chromium, 28-36 % by weight nickel, max. 2 % by weight manganese, m... | 06/18/2002 |
| 6376099 | CU-containing NB3A1 multifilamentary superconductive wire and process for producing the same A Cu-containing Nb3 Al multifilamentary superconductive wire having a multifilamentary (superfine multi-core structure that a large number of micro-complex cores each obtained by complexing a Cu--Al alloy containing Cu in an amount of more than... | 04/23/2002 |
| 6348113 | High purity tantalum, products containing the same, and methods of making the same High purity tantalum metals and alloys containing the same are described. The tantalum metal preferably has a purity of at least 99.995% and more preferably at least 99.999%. In addition, tantalum metal and alloys thereof are described, which either have ... | 02/19/2002 |
| 6284070 | Heat treatment for improved properties of alpha-beta titanium-base alloys An alpha-beta titanium-base alloy is heat treated to improve its dwell fatigue properties while retaining a good balance of mechanical properties. The heat treatment includes first heating the alpha-beta titanium-base alloy to a first heat-treatment tempe... | 09/04/2001 |
| 6284045 | Apparatus for building unburned refractory A monolithic refractory depositing system capable of improving working environment and working efficiency and of spraying a material in a uniform thickness is provided. The monolithic refractory depositing system is capable of carrying out both a spraying... | 09/04/2001 |
| 6231697 | High-strength amorphous alloy and process for preparing the same A high-strength amorphous alloy represented by the general formula: Xa Mb Alc Td (wherein X is at least one element selected between Zr and Hf; M is at least one element selected from the group consisting of Ni,... | 05/15/2001 |
| 6225556 | Magnetic shield sheet and method for manufacturing thereof, and cable using the sheet A sheet for shielding a room, conductive cables, magnetic recording media, inside shield rooms and other objects, from the effects of a magnetic field. The sheet is used as a magnetic shield by wrapping it around the objects or areas which need shielding ... | 05/01/2001 |
| 6210499 | Method of bright annealing metals having a high affinity to oxygen To be able to satisfactorily bright-anneal metals having a high affinity to oxygen in a hood-type furnace or the like under a protective gas, a rather pure inert gas such as argon, neon or helium, which is mixed with not more than 50 vol-% of a reducing g... | 04/03/2001 |
