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| Number | Title | Issue Date |
| 6463125 | High performance x-ray target A brazed X-ray target includes a metallic cap and a graphite back including a nonlinear record groove attached thereto along a stepped surface. An upper corner joint of the stepped surface is distanced from a cap outer edge and a focal track where the max... | 10/08/2002 |
| 5628664 | System for manufacturing x-ray tubes A system for sealing a large diameter tube under vacuum including: a tube having a diameter greater than about 20 mm, a disk operatively positioned inside the tube and having a smaller diameter than the tube, a vacuum operatively connected to the tube, he... | 05/13/1997 |
| 5593506 | Cleaning method for foil Foil used in the manufacture of superconductor material is cleaned using a mechanical abrasive pad that produces longitudinal hills and valleys or elliptical swirls on the surface of both sides of the foil to yield high quality and uniform superconductors... | 01/14/1997 |
| 5577093 | Target/stem connection for x-ray tube anode assemblies An improved high performance x-ray system having a rotating anode therein which includes an improved target/stem connection wherein at least about 40,000 x-ray scan-seconds are accomplished prior to tube failure due to anode assembly imbalance comprising ... | 11/19/1996 |
| 5556484 | Method for reducing abnormal grain growth in Ni-base superalloys A method of forging Ni-base superalloys is described which avoids the growth of abnormally large grains in the surface region of a forged article. The method involves forging and/or annealing a Ni-base superalloy in a carburizing environment. Forging and/... | 09/17/1996 |
| 5547410 | Method of making an improved target/stem connection for x-ray tube anode assemblies Methods of making an improved high performance x-ray system having a rotating anode therein are available. The anode includes an improved target/stem connection which reduces tube failure due to anode assembly imbalance. Methods of bonding a metallic targ... | 08/20/1996 |
| 5547518 | Enhanced method for cleaning foil Foils used to manufacture superconductor materials can effectively be cleaned by heat treatment prior to anodization and further processing steps. The heat treatment can be in conjunction with other cleaning processes or separate.... | 08/20/1996 |
| 5548628 | Target/rotor connection for use in x-ray tube rotating anode assemblies An improved high performance x-ray system having a rotating anode therein which includes an improved target/stem assembly comprising a metallic target and a large bore, thin-walled tubular metal stem which, when connected to a rotor body assembly, provide... | 08/20/1996 |
| 5540787 | Method of forming triniobium tin superconductor The solid-liquid diffusion process used to form triniobium tin superconductor is improved by oxidizing the tin coated niobium substrate with an oxide layer on the surface of the tin coat after tin dipping. The oxide layer can be added to the tin coat by p... | 07/30/1996 |
| 5530733 | Target/stem connection utilizing a diffusion enhancer for x-ray tube anode assemblies An improved high performance x-ray system having a rotating anode therein which includes an improved target/stem connection and a coating, operatively positioned between the target and the stem, for enhancing the diffusion therebetween to reduce tube fail... | 06/25/1996 |
| 5529643 | Method for minimizing nonuniform nucleation and supersolvus grain growth in a nickel-base superalloy A method is provided for obtaining uniform grain growth within γ' precipitation strengthened nickel-base superalloys. The method includes forming a billet having a very fine grain size in order to achieve optimum superplasticity of the superalloy during ... | 06/25/1996 |
| 5529625 | Coating apparatus and gas seal A coating apparatus is disclosed having a metal bath, an enclosure extending over the bath, a mandrel extending into the bath, and a gas seal mounted on the enclosure in communication with the atmosphere therein. The gas seal has a frame with a slot exten... | 06/25/1996 |
| 5522945 | Method for forming triniobium tin superconductor with bismuth A method for making triniobium tin superconductor with improved critical current density is disclosed where an annealed niobium-base substrate is passed through a tin alloy bath containing tin, copper, and bismuth, to coat the substrate with tin and then ... | 06/04/1996 |
| 5505790 | Method for enhancing critical current of triniobium tin A method is described which increases the critical current of triniobium tin by bonding thermal contraction control layers to the triniobium tin superconducting articles at a process temperature to form a composite, and subsequently cooling the composite ... | 04/09/1996 |
| 5498186 | Method of making an improved target/stem connection for x-ray tube anode assemblies Methods of making an improved high performance x-ray system having a rotating anode therein which includes an improved target/tubular stem combination which, when combined with a rotor body assembly, reduces tube failure due to anode assembly imbalance an... | 03/12/1996 |
| 5498187 | Method of making an improved target/stem assembly - rotor body assembly connection for x-ray tubes A method of making a high performance x-ray system having a rotating anode includes making target/tubular stem assembly and then assembling it to a rotor body assembly. This particular method reduces tube failure due to anode assembly imbalance and provid... | 03/12/1996 |
| 5480097 | Gas atomizer with reduced backflow An improved molten metal spray forming atomization ring converter adapted for the spray forming of a refined molten metal from a molten metal refining or melting chamber wherein the molten metal is atomized into tiny molten droplets by gas impingement in ... | 01/02/1996 |
| 5472794 | Composite structure with NbTiAlHfCrV or NbTiAlHfCrVZrC allow matrix and niobium base metal reinforcement Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 12/05/1995 |
| 5472936 | Method for making triniobium tin semiconductor A method for making triniobium tin foil is disclosed where the niobium-based foil with an oxide layer is passed continuously at a set speed into an enclosed chamber. The enclosed chamber has an inert atmosphere which is substantially oxygen free. Upon ent... | 12/05/1995 |
| 5472177 | Molten metal spray forming apparatus A regulating gas flow valve is operatively connected to an oscillating molten metal spray forming ring converter through which a molten metal stream passes. The passing metal stream is impacted by gas jets from the converter which breaks up the metal stre... | 12/05/1995 |
| 5460652 | Molten metal coating apparatus The invention is related to a continuous coating apparatus for applying molten metal on a metal sheet or tape. The apparatus has an annular cylinder having an open lower section extending to a substantially closed upper section. An axle is mounted in the ... | 10/24/1995 |
| 5461659 | Emissive coating for x-ray tube rotors An improved high performance x-ray system having a rotating anode therein which includes an improved coating for the x-ray tube rotor. The surface of the x-ray tube rotor is coated with a ductile coating wherein at least about 40,000 x-ray scan-seconds ar... | 10/24/1995 |
| 5426001 | Clad structural member with NbTiAl low Hf alloy cladding and niobium base metal core Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base accord... | 06/20/1995 |
| 5405708 | Clad structural member with NbTiHf alloy cladding and niobium base metal core Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base accord... | 04/11/1995 |
| 5366206 | Molten metal spray forming atomizer A molten metal atomization ring structure has an elongated or oval aperture therethrough through which a molten metal stream passes and is broken up into a molten metal spray pattern. The structure may be angularly adjusted about a transverse axis of the ... | 11/22/1994 |
| 5348566 | Method and apparatus for flow control in electroslag refining process A method of electroslag refining of metal is taught. The method starts with the introduction of unrefined metal into an electroslag refining process in which the unrefined metal is first melted at the upper surface of the refining slag. The molten metal i... | 09/20/1994 |
| 5332197 | Electroslag refining or titanium to achieve low nitrogen A method for the electroslag refining of titanium base alloy is provided. The method involves providing a refining vessel to contain an electroslag refining layer floating on a layer of molten refined metal. An ingot of unrefined titanium base alloy havin... | 07/26/1994 |
| 5325906 | Direct processing of electroslag refined metal A method for the electroslag refining of metal is provided. The method involves providing a refining vessel to contain an electroslag refining layer floating on a layer of molten refined metal. An ingot of unrefined metal is lowered into the vessel into c... | 07/05/1994 |
| 5320911 | Clad structural member with NBTIALCR alloy cladding and niobium base metal core Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base accord... | 06/14/1994 |
| 5318859 | Clad structural member with NbTiAl alloy cladding and niobium base metal core Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base accord... | 06/07/1994 |
| 5316865 | Composite structure with NbTiAl low Hf alloy matrix and niobium base metal reinforcement Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 05/31/1994 |
| 5310165 | Atomization of electroslag refined metal A method of atomization of refined metal is taught. The method starts with the introduction of unrefined metal into an electroslag refining process in which the unrefined metal is first melted at the upper surface of the refining slag. The molten metal in... | 05/10/1994 |
| 5306570 | Clad structural member with NbTiAl high Hf alloy cladding and niobium base metal core Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base accord... | 04/26/1994 |
| 5304427 | Composite structure with NBTIA1CRHF alloy matrix and niobium base metal reinforcement Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 04/19/1994 |
| 5296309 | Composite structure with NbTiAlCr alloy matrix and niobium base metal reinforcement Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 03/22/1994 |
| 5277990 | Composite structure with NbTiAl and high Hf alloy matrix and niobium base metal reinforcement Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 01/11/1994 |
| 5273831 | Clad structural member with NbTiAlCr HF alloy cladding and niobium base metal core Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base accord... | 12/28/1993 |
| 5270122 | Composite structure with NbTiAl alloy matrix and niobium base metal reinforcement Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 12/14/1993 |
| 5264293 | Composite structure with NbTiHf alloy matrix and niobium base metal Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based alloy are provided. The matrix is preferably an alloy having a niobium and titanium base according to the ... | 11/23/1993 |
| 5239156 | Apparatus and method for laser joining of superconducting tapes Two Nb3 Sn superconducting tapes are overlapped by an amount equal to about two times the width of the superconducting tapes. A filler material of material substantially similar to the tapes is placed between the two tapes in the overlapped reg... | 08/24/1993 |