Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7325293 | Zirconia-stabilized multi-filamentary niobium-tin superconducting wire A multi-filament superconducting wire in which the filaments comprise zirconia-stabilized ultra-fine grain Nb3Sn. The superconducting wire is formed by wire-drawing a preform comprising a metallic matrix and at least one niobium alloy rod having zirconium... | 02/05/2008 |
| 7219412 | Methods of forming titanium-containing superconducting compositions The invention includes superconducting titanium-containing compositions having less than 200 ppm, by weight, of a combined total of interstitial materials selected from the group consisting of nitrogen, oxygen, carbon and hydrogen. The invention also includes method... | 05/22/2007 |
| 6953770 | MgB2—based superconductor with high critical current density, and method for manufacturing the same The present invention relates to an MgB2-based superconductor that is easy to manufacture and well suited to mass production, and that exhibits excellent superconducting characteristics (such as a high critical current density) while still retaining the h... | 10/11/2005 |
| 6849137 | Nb3Sn-system superconductive wire An Nb3Sn-based superconductive wire which, when used in a superconductive magnet, manifests sufficient strength also against force along the radius direction in operating the magnet and reveals little deterioration in properties due to mechanical strain a... | 02/01/2005 |
| 6699821 | Nb3Al superconductor and method of manufacture A Nb3 Al 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 composite is... | 03/02/2004 |
| 6570096 | Production method of Nb3Al superconducting multifilamentary wire This invention provides a production method of Nb3 Al superconducting multifilamentary wire based on rapid-heating, quenching and transformation method, capable of producing a high-performance Nb3 Al superconducting multifilamentary ... | 05/27/2003 |
| 6548187 | Sn based alloy containing Sn--Ti compound, and precursor of Nb3SN superconducting wire A method for manufacturing a Sn-based alloy containing a finely dispersed Sn--Ti compound includes melting Sn by heating to a temperature in a range from 1300 to 1500° C. in vacuum or an inert gas atmosphere, adding 0.1 to 5% by weight of Ti followed by ... | 04/15/2003 |
| 6511943 | Synthesis of magnesium diboride by magnesium vapor infiltration process (MVIP) A process of preparing superconducting magnesium diboride powder by heating an admixture of solid magnesium and amorphous boron powder or pellet under an inert atmosphere in a Mg:B ratio of greater than about 0.6:1 at temperatures and for time sufficient ... | 01/28/2003 |
| 6508889 | Process for the production of Nb3A1 extra-fine multifilamentary superconducting wire A high-performance Nb3 Al extra-fine multifilamentary superconducting wire is produced simply and inexpensively through the improvement of critical values, Tc, Hc2 and Jc, without the addition of third elements such as Ge, Si and Cu.... | 01/21/2003 |
| 6096263 | Article comprising an intermetallic superconductor material A novel intermetallic superconductor with surprisingly high transition temperature is disclosed. The material comprises B and C, and can form a bulk superconductor. Exemplary of the novel superconductors is material of nominal composition YPd5 ... | 08/01/2000 |
| 6074603 | Article comprising an intermetalllic superconductor material A novel intermetallic superconductor with surprisingly high transition temperature is disclosed. The material comprises B and C, and can form a bulk superconductor. Exemplary of the novel superconductors is material of nominal composition YPd5 ... | 06/13/2000 |
| 6066270 | Process for the Production of low TC superconductor molded bodies The production of compact molded bodies of rare-earth transition-metal boron carbide and boron nitride compounds configured so as to avoid a selective evaporation of individual components in the production process and enable an exact adjustment of the des... | 05/23/2000 |
| 5628835 | Nb3 Al Group superconductor containing ultrafine Nb2 Al particles Object of the present invention is to obtain a Nb3 Al group superconductor having a high critical current density under a whole range of magnetic field from low to high such as 20 T level, manufacturing methods thereof, a Nb3 Al grou... | 05/13/1997 |
| 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 |
| 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 |
| 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 |
| 5374320 | Nb-Ti alloy type superconducting wire The present invention provides an Nb-Ti alloy type superconducting wire having a superconducting filament including a member made of Nb-Ti alloy and a pinning member made of Nb or Nb alloy having no superconducting properties under operating magnetic fiel... | 12/20/1994 |
| 5226947 | Niobium-titanium superconductors produced by powder metallurgy having artificial flux pinning centers Superconductors formed by powder metallurgy have a matrix of niobium-titanium alloy with discrete pinning centers distributed therein which are formed of a compatible metal. The artificial pinning centers in the Nb-Ti matrix are reduced in size by process... | 07/13/1993 |
| 5182176 | Extruded wires having layers of superconducting alloy and refractory meal encased in a normal metal sheath A Type II superconducting filament is formed by surrounding a Type II superconducting alloy ingot with layers of a fine grain Type II superconducting alloy sheet, a barrier layer and a copper extrusion can. The composite is then reduced to a filament by h... | 01/26/1993 |
| 5132281 | Process of making fluorine-stabilized superconductor materials Ceramic superconductor materials, e.g., of rare earth/alkaline earth metal/transition metal/oxygen type, contain an effective stabilizing amount of fluorine atoms distributed therein in a concentration gradient decreasing from the external face surface of... | 07/21/1992 |
| 5116429 | Superconducting wire A Type II superconducting alloy is formed into a wire by extruding a billet of the alloy encased in a copper extrusion can. The extrusion can may include a nose and a tail section having a k factor equal to or greater than that of the body of the core. Th... | 05/26/1992 |
| 5100481 | Compound superconducting wire and method of manufacturing the same A composite member is prepared which comprises a core which will have a compound superconducting layer when heat-treated, and a stock for forming a stabilizing member made of copper and surrounding the core. The composite member is heat-treated in an oxid... | 03/31/1992 |
| 5098798 | Process for making filamentary superconductors using tin-magnesium eutectics A method is disclosed for fabricating a wire from niobium tin produced in situ in a filamentous structure capable of achieving the superconducting state which comprises overlapping a tin alloy core comprised of tin-magnesium eutectic alloy with alternatin... | 03/24/1992 |
| 5013526 | Superconducting alloys comprising tungsten, molybdenum, silicon and oxygen A superconducting material made of tungsten or molybdenum containing a specified amount of silicon, a wiring made of this superconducting material, and a semiconductor device using this wiring. The above-mentioned superconducting material undegoes no damage ev... | 05/07/1991 |
| 5002927 | Fluorine-stabilized superconductor materials Ceramic superconductor materials, e.g., of rare earth/alkaline earth metal/transition metal/oxygen type, contain an effective stabilizing amount of fluorine atoms distributed therein in a concentration gradient decreasing from the external face surface of... | 03/26/1991 |
| 4996189 | Method of producing mixed metal oxide material, and of producing a body comprising the material A novel method of producing mixed metal oxide powder (e.g., ferrite powder, or high temperature superconductor powder such as YBa2 Cu3 Ox powder) is disclosed. The method comprises forming an intimate mixture of appropriat... | 02/26/1991 |
| 4996186 | Flux method for producing crystals of superconducting YBa2 Cu3 O7 Method for producing single crystals of YBa2 Cu3 O7 which undergo a transition to the superconducting state above 90K, comprising: (a) preparing a flux composition by mixing BaO2 and CuO powders in the molecular weig... | 02/26/1991 |
| 4990411 | Compound superconducting wire and method of manufacturing the same A composite member is prepared which comprises a core which will have a compound superconducting layer when heat-treated, and a stock for forming a stabilizing member made of copper and surrounding the core. The composite member is heat-treated in an oxid... | 02/05/1991 |
| 4973527 | Process for making filamentary superconductors using tin-magnesium eutectics A method is disclosed for fabricating a wire from niobium tin produced in situ in a filamentous structure capable of achieving the superconducting state which comprises overlapping a tin alloy core comprised of tin-magnesium eutectic alloy with alternatin... | 11/27/1990 |
| 4970195 | Process of making a superconducting glass-ceramic composition A process for preparing a glass-ceramic material with superconducting properties is disclosed. In the first step of this process, a powder batch comprised of a glass-former and of barium oxide, yttrium oxide, and copper oxide (or the precursors of one or ... | 11/13/1990 |
| 4962087 | Epitaxial superconducting scructure on lattice matched lanthanum orthogallate A thin film superconducting device is described in which the substrate is a single or mixed single crystal of lanthanum orthogallate grown from a pure melt of lanthanum, gallium and additive oxides. A portion of the gallium single crystal can be replaced ... | 10/09/1990 |
| 4962082 | Method of making high tc oxide superconductor particles by adjusting pH value and cationic ratio of admixed solution followed by drying, heating and firming Techniques for the preparation of superconducting perovskites in the MBa2 Cu3 O7-y system wherein M represents yttrium of a rare earth element and y is an integer ranging from 0.1 to 0.8 are described. The techniques invol... | 10/09/1990 |
| 4956339 | Method for manufacturing superconducting ceramics in a magnetic field A method and an apparatus for fabricating single crystals of superconducting ceramics are described. A powedered row oxide mixture is placed and molten in a melting pot. The surface of the molten mixture is approximately at the freezing point of the mixtu... | 09/11/1990 |
| 4950644 | Method for the epitaxial preparation of a layer of a metal-oxide superconducting material with a high transition temperature With the method, a layer of a superconductor material with a high transition temperature on the basis of a material system containing metallic components and oxygen is to be prepared. To this end, a layer of metal-oxide preliminary product of the componen... | 08/21/1990 |
| 4944183 | Level gauge for liquid helium A level gauge and measurement method are provided using a sensing element comprising a superconductive alloy represented by the formula: Moa Rub Zc wherein Z is phosphorous, boron, or a mixture of phosphorous and boron, b has a valu... | 07/31/1990 |
| 4943559 | Device comprising a temperature sensor A temperature sensor comprises a thin layer of material the composition of which varies gradually over the layer thickness. The material is superconductive below a critical temperature the value of which depends on the composition of the material. The lay... | 07/24/1990 |
| 4939308 | Method of forming crystallite-oriented superconducting ceramics by electrodeposition and thin film superconducting ceramic made thereby The invention relates to an improvement in a method of forming deposits of superconducting ceramics. Generally, such ceramics are formed by electrodepositing a mixture of metals of the type and in proportions sufficient to be oxidized into ceramic; oxidiz... | 07/03/1990 |
| 4931426 | Process for preparing crystalline ceramic superconductor materials by fluidized-bed calcination A process is provided for preparing crystalline ceramic superconductor materials, which comprises preparing a mixture of particulate crystalline ceramic superconductor precursors selected to form upon heat processing a crystalline ceramic superconductor m... | 06/05/1990 |
| 4764357 | Process for producing finely divided powdery metal oxide compositions A finely divided metal oxide powdery composition, preferably with a narrow particle size distribution, is produced from a particulate, sol-gel derived composition containing agglomerates by heating the particulate composition in the presence of an effecti... | 08/16/1988 |
| 4762754 | Dynamic high pressure process for fabricating superconducting and permanent magnetic materials Shock wave formation of superconductive ceramic oxide electric and magnetic circuit elements with improved microstructures and mechanical properties.... | 08/09/1988 |
