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| Number | Title | Issue Date |
| 7858024 | Non-evaporable getter alloys based on yttrium for hydrogen sorption Non-evaporable getter alloys, such as Y 75%-Mn 15%-Al 10%, are provided and can be activated at relatively low temperatures and have good properties in sorbing a wide variety of gases, particularly hydrogen. ... | 12/28/2010 |
| 7674427 | Rare earth metal member and making method By using a rare earth metal having a minimal content of impurity metal element, machining it into a member and cleaning with an organic acid-base capping agent, there is obtained a rare earth metal member composed entirely of a rare earth metal and containing not mo... | 03/09/2010 |
| 7259124 | Hydrogen storage composite and preparation thereof The present invention discloses a hydrogen storage medium including a composite of an alloy and a catalyst/expandable graphite. The expandable graphite can be replaced by activated carbon. The catalyst content is 1-50% based on the weight of the medium, which can be... | 08/21/2007 |
| 7211541 | Mg—Ni hydrogen storage composite having high storage capacity and excellent room temperature kinetics A hydrogen storage composite material having a Mg—Ni based alloy with a coating of a catalytically active metal deposited on at least a portion of a surface of said Mg—Ni based alloy. The coating is less than about 200 angstroms thick and preferably is formed fr... | 05/01/2007 |
| 7114340 | Method of making active magnetic refrigerant materials based on Gd-Si-Ge alloys An alloy made of heat treated material represented by Gd5(SixGe1−x)4 where 0.47≦x≦0.56 that exhibits a magnetic entropy change (−ΔSm) of at least 16 J/kg K, a magnetostriction of at least 2000 parts per... | 10/03/2006 |
| 7022384 | Reflective film, reflection type liquid crystal display, and sputtering target for forming the reflective film A reflective film used as a reflective electrode or a reflector, comprising an Ag-based alloy containing rare earth metals. The reflective film has high reflectivity and high durability. ... | 04/04/2006 |
| 6660431 | Hydrogen absorbing alloy electrode, electrode producing method and alkali storage battery The present invention relates to a hydrogen storage alloy electrode composed of a hydrogen storage alloy having a CaCu5 region and a Ce2 Ni7 region in the crystal structure and satisfies the relational formula: p:q=1:(4+a)... | 12/09/2003 |
| 6306516 | Article comprising oxide-bondable solder The invention provides an article comprising a solder that bonds well to oxides and other surfaces to which solder bonding is problematic. The solder composition contains one or more rare earth elements, which react with the oxide or other surface to prom... | 10/23/2001 |
| 6273965 | Magnetostrictive materials and method for improving AC characteristics in same The present invention provides Terfenol-D alloys ("doped" Terfenol) having optimized performances under the condition of time-dependent magnetic fields. In one embodiment, performance is optimized by lowering the conductivity of Terfenol, thereby improvin... | 08/14/2001 |
| 6248453 | High strength aluminum alloy A high strength dispersion strengthened aluminum alloy comprising an aluminum solid solution matrix strengthened by a dispersion of particles based on the compound Al3 X, where Al3 X has an L12 structure, is described. Var... | 06/19/2001 |
| 6214480 | Article made by joining two members together, and a brazing filler metal In an article, a binding layer formed through a heating step exists between a permanent magnet and a laminate of steel plates. The binding layer is formed by producing a liquid phase at the heating step from a brazing filler metal made of a rare earth ele... | 04/10/2001 |
| 6207104 | Ternary hydrogen storage alloy and process for production thereof An AB2 C2 -type ternary hydrogen storage alloy comprising an AB2 C2 phase as main ingredient, where A comprises at least one of a rare-earth element and Ca, B mainly comprises Mg, and C comprises at least one of... | 03/27/2001 |
| 6150048 | Metallic interconnection material for solid oxide fuel cell and method for preparing the same Disclosed are a metallic interconnection material for solid oxide fuel cells and a preparation method thereof. The metallic interconnection material has two fine microstructural phases in which 5-25% by volume of LaCrO3 is dispersed at the grai... | 11/21/2000 |
| 6106769 | Hydrogen storage alloy composition and electrode using said alloy composition A hydrogen absorbing alloy composition for a nickel-hydrogen secondary battery which includes LnNi5 hydrogen absorbing alloy, where Ln represents at least one rare-earth element. The hydrogen absorbing alloy composition also includes at least o... | 08/22/2000 |
| 6033542 | Electrode and its fabrication method for semiconductor devices, and sputtering target for forming electrode film for semiconductor devices Disclosed is an electrode for semiconductor devices capable of suppressing the generation of hillocks and reducing the resistivity, which is suitable for an active matrixed liquid crystal display and the like in which a thin film transistor is used; its f... | 03/07/2000 |
| 6030468 | Cold accumulator A cold accumulator filled with a cold accumulating material including 20 to 95 at % of at least one element selected from the group consisting of cerium (Ce), neodymium (Nd), praseodymium (Pr), magnetic body dysprosium (Dy), holmium (Ho), erbium (Er) and ... | 02/29/2000 |
| 5985050 | SmFe-based magnetostrictive material A SmFe-based magnetostrictive material having an excellent magnetostrictive performance and an excellent mechanical strength provided by achieving a division of crystal grains. The SmFe-based magnetostrictive material includes boron (B) as an additive com... | 11/16/1999 |
| 5972074 | Method for reducing impurities in misch metal and alloys A method for reducing Carbon contained in hydrogen storage alloys recovered from negative electrodes of nickel/hydrogen storage alloy secondary batteries of misch metal and alloys thereof as raw materials of hydrogen storage alloys for negative electrodes... | 10/26/1999 |
| 5932513 | Container packed with powder of hydrogen absorbing alloy A container packed with a mixture of powders classified respectively into two or at least three particle-size distribution groups which are different in average particle size, the powders comprising a hydrogen absorbing alloy singly or the combination of ... | 08/03/1999 |
| 5900558 | Container packed with powder of hydrogen absorbing alloy A container packed with a mixture of powders classified respectively into two or at least three particle-size distribution groups which are different in average particle size, the powders comprising a hydrogen absorbing alloy singly or the combination of ... | 05/04/1999 |
| 5864072 | Hydrogen storage alloy and method for producing the same A method for making a hydrogen storage alloy comprises subjecting a bulky hydrogen storage alloy to a first thermal treatment at a temperature ranging from 800° to 1100° C., cooling the thus treated alloy, grinding the cooled alloy to pieces having an a... | 01/26/1999 |
| 5830585 | Article made by joining two members together, and a brazing filler metal In an article, a binding layer formed through a heating step exists between a permanent magnet and a laminate of steel plates. The binding layer is formed by producing a liquid phase at the heating step from a brazing filler metal made of a rare earth ele... | 11/03/1998 |
| 5800728 | Permanent magnetic material made of iron-rare earth metal alloy An iron-rare earth metal permanent magnetic composition, comprising predominant phase having a body-centered tetragonal structure, and consisting essentially of an iron-based alloy having a composition represented by the formula: Fea Rb | 09/01/1998 |
| 5693154 | Terbium-dysprosium-zinc and terbium-gadolinium-zinc magnetostrictive materials and devices Polycrystalline or single crystal magnetostrictive alloys of the formula Tb1-x Dyx Znw (0 | 12/02/1997 |
| 5680896 | Method for production of rare earth metal-nickel hydrogen occlusive alloy ingot A method for producing rare earth metal-nickel hydrogen occlusive alloy ingot that contains 90 vol % or more of crystals having a crystal grain size of 1 to 50 μm as measured along a short axis of the crystal and 1 to 100 μm as measured along a long axi... | 10/28/1997 |
| 5593517 | Regenerating material and refrigerator using the same The regenerating material according to the present invention comprises two alloy phases which differ in a content of rare earth elements. Of these alloy phases, a dominant phase in the regenerating material is defined as a main phase, and the other phase ... | 01/14/1997 |
| 5565830 | Rare earth-cobalt supermagnetostrictive alloy A rare earth-cobalt supermagnetostrictive alloy having a composition represented by the general formula, in atomic fraction: R (Co1-x Fex)x, wherein 0.001ࣘxࣘ0.8, 0.2ࣘzࣘ15, and R is at least one element selected fro... | 10/15/1996 |
| 5560993 | Oxide-coated silicon carbide material and method of manufacturing same A lanthanoid silicide-coated silicon carbide material whereof the surface is coated with a silicide, this silicide being a reaction product of an oxide of a lanthanoid rare earth element or yttrium with silicon carbide, or a reaction product of a compound... | 10/01/1996 |
| 5537826 | Erbium-based magnetic refrigerant (regenerator) for passive cryocooler A two stage Gifford-McMahon cryocooler having a low temperature stage for reaching approximately 10K, wherein the low temperature stage includes a passive magnetic heat regenerator selected from the group consisting of Er6 Ni2 Sn, Er... | 07/23/1996 |
| 5470530 | Article comprising an intermetallic superconductor material Material comprising an effective amount of a novel intermetallic bulk superconductor compound is disclosed. The compound has the composition LnNi2 B2 C, with Ln being Y or a rare earth (atomic number 57-71), preferably Tm, Er, Ho or ... | 11/28/1995 |
| 5462610 | Lanthanide Al-Ni base Ericsson cycle magnetic refrigerants A magnetic refrigerant for a magnetic refrigerator using the Ericsson thermodynamic cycle comprises DyAlNi and (Gd0.54 Er0.46)AlNi alloys having a relatively constant ƊTmc over a wide temperature range.... | 10/31/1995 |
| 5449416 | Cold accumulating material and method of manufacturing the same The extremely low temperature cold accumulating material for use in refrigerators, for example, comprises particles containing at least one kind of rare earth element selected from a group consisting of Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, T... | 09/12/1995 |
| 5435137 | Ternary Dy-Er-Al magnetic refrigerants A ternary magnetic refrigerant material comprising (Dy1-x Erx)Al2 for a magnetic refrigerator using the Joule-Brayton thermodynamic cycle spanning a temperature range from about 60K to about 10K, which can be adjusted by c... | 07/25/1995 |
| 5413755 | Article comprising an intermetallic superconducting material A novel intermetallic superconductor with surprisingly high transition temperature is disclosed. Exemplary of the novel superconductor is material of overall composition Y1.5 Pd4.5 B4. A bulk sample of that composition has... | 05/09/1995 |
| 5384210 | Hydrogen-occlusion alloy for the electrodes of a sealed-type storage battery A hydrogen-occlusion alloy for an electrode of a sealed-type storage battery, said alloy comprising SLmNia Cob Alc Md wherein SLm is a mixture of at least 70 wt. % lanthanum, 20 wt. % or less of neodymium and at... | 01/24/1995 |
| 5362339 | Magnetic refrigerant and process for producing the same A cast magnetic refrigerant having a composition represented by Lna Ab Mc wherein Ln is at least one element selected from the group consisting of Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb; A is any one of elements of A... | 11/08/1994 |
| 5336337 | Magnetrostrictive materials and methods of making such materials The magnetostriction alloys of the present invention are composed basically of Tb-Dy-iron which is partially substituted by at least one element selected from the group consisting of Y, La, Cs, Pr, Nd and Sm, and have been grown in the direction of face i... | 08/09/1994 |
| 5314526 | Metallothermic reduction of rare earth fluorides A process is disclosed for the calcium reduction of rare earth fluorides, especially neodymium and/or praseodymium fluorides, in a minimum volume stirred molten calcium chloride reaction medium that produces high yield, high quality rare earth alloy with ... | 05/24/1994 |
| 5269854 | Regenerative material The present invention provides a regenerative material having a peak specific heat at a low temperature. The material is made of a solid solution of at least two different magnetic type metal compounds, for example, ferromagnetic Er3 Co and ant... | 12/14/1993 |
| 5258975 | Optical recording medium This invention relates to a recording medium having a sufficient difference between the crystallization temperature and the melting point as well as excellent characteristics in writing and erasing. The optical recording medium comprises a recording layer... | 11/02/1993 |
