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| Number | Title | Issue Date |
| 6465739 | Very high temperature and atmospheric pressure superconducting compositions and methods of making and using same Ceramic compositions which exhibit the phenomenon of superconductivity are disclosed. Methods of making and using the compositions are included. The compositions comprise 1-2-3 ceramic compositions (e.g., Y, Ba, Cu/Ag) with the fourth constituent comprisi... | 10/15/2002 |
| 6451450 | Method of depositing a protective layer over a biaxially textured alloy substrate and composition therefrom A laminate article consists of a substrate and a biaxially textured protective layer over the substrate. The substrate can be biaxially textured and also have reduced magnetism over the magnetism of Ni. The substrate can be selected from the group consist... | 09/17/2002 |
| 5734127 | Use of barium copper oxide compounds as high critical temperature superconductors A new use as high critical temperature superconductors, of a known family of partially oxidized bi-metal compounds in which the two metals are copper and barium. These compounds become superconductive at least at a temperature higher than 5° K. but less ... | 03/31/1998 |
| 5561102 | Inter-halogen-doped superconductive fullerenes A superconductive fullerene and a process for making such superconductive fullerene are provided. The process involves contacting a quantity of fullerene with the vapor of an interhalogen compound such as ICl. The halogen doped fullerenes exhibited a tran... | 10/01/1996 |
| 5504138 | Circuit board devices with superconducting bonds and lines Circuit board devices are provided based on use of high temperature superconducting ceramic polymers comprising high temperature superconducting ceramic powders distributed in electrically insulative organic polymers which are thermosetting by reaction of... | 04/02/1996 |
| 5445766 | Superconductive conjugate photoconductive substances of the Bi-SrCa(LaY)-Cu-O system, a method for producing the same and superconductive optoelectronic devices using the same The disclosed substance has a composition of a general chemical formula of Bi2 -(Sr2 Ca1)1-x (La2 Y1)x -Cuy -Oz, where 0.4ࣘxࣘ1, y=2 and z=9-10.5, wherein said sub... | 08/29/1995 |
| 5446017 | Superconductive copper-containing oxide materials of the formula Ap Bq Cu2 O4&#b1;r A superconductive oxide material having an infinite layer structure and having the following formula: Ap Bq Cu2 O4&#b1;r wherein A and B are different and each represent an element selected from lanthanoid elements a... | 08/29/1995 |
| 5430008 | Method and composition for improving flux pinning and critical current in superconductors Superconducting materials and methods of forming superconducting materials are disclosed. Highly oxidized superconductors are heated at a relatively high temperature so as to release oxygen, which migrates out of the material, and form a non-superconducti... | 07/04/1995 |
| 5413980 | High-T superconductor and process for preparing it Polycrystalline high-Tc superconductors of the formula Mm Ee ROx, which contain grains which are crystallographically aligned to the greatest possible extent, where M is at least one trivalent element such as a ... | 05/09/1995 |
| 5380703 | Halogen-doped superconductive fullerenes A superconductive fullerene and a process for making such superconductive fullerene are provided. The process involves contacting-a quantity of fullerene with the vapor of an interhalogen compound such as ICl. The halogen doped fullerenes exhibited a tran... | 01/10/1995 |
| 5372990 | Oxide superconductor Provided is an oxide superconductor in which superconducting layer is sandwiched between two blocking layers having different compositions. Available superconducting layers include a one-layer system having one Cu-O2 sheet, a two-layer system h... | 12/13/1994 |
| 5360786 | Superconductive material The disclosed superconductive material has a characteristic in accordance with which electrical resistance disappears at a temperature of at least more than the boiling point of 20.3° K. (-252.7° C.) of liquid hydrogen and relates to La-Ba-Cu-O series s... | 11/01/1994 |
| 5348936 | Metal-doped fullerenes and synthetic methods therefor Superconducting, metal-doped fullerenes are provided, along with processes for their preparation in relatively high stoichiometric purity. In one embodiment, the processes provide fullerenes of the formula Mx Cq, where M is a metal, ... | 09/20/1994 |
| 5328892 | Oxide superconductor composition and a process for the production thereof An oxide superconducting material having a composition represented by a formula TlSr2 (Srn-x Yx)Cun+1 O5+2n wherein n=1 or 2 and 0.1ࣘxࣘn is provided. This material has a high critical current density J... | 07/12/1994 |
| 5324495 | Method of making metal fulleride The present invention relates to a new process for making metal fulleride compositions having the formula An (Cx)m, wherein A is a metal cation and Cx is a fullerene anion, preferably Cx is C60 | 06/28/1994 |
| 5294600 | Superconducting material comprising Rbx Csy C60. A superconducting material higher in superconducting transition temperature and superconducting volume ratio than any conventional one is provided, which comprises a fullerene doped with rubidium and cesium. This fullerene system superconducting material ... | 03/15/1994 |
| 5262393 | Layered copper oxides (R.sub.(1+x) Ce.sub.(2-x))Sr2 Cu2 (M1-y Cuy)O11 wherein R is a rare earth element and M is one or both of Pb and Tl The present invention provides a layered copper oxide as an insulator for superconductor or as a superconductor, which has a chemical composition represented by the formula of (R,Ce)3 Sr2 Cu2 (M,Cu)O11, wherein ... | 11/16/1993 |
| 5244871 | N-type oxide superconductor represented by the formula (Ndx (Cey Lz)2 CuO4-d where L is La, Mg or a mixture of alakaline earth elements An oxide superconductor comprises a composition represented by the composition formula: (Ndx --Cey --Lz)2 CuO4-d (wherein L is an element selected from Ca and Mg, and x+y+z=1). The compositions of Nd,... | 09/14/1993 |
| 5223479 | Process for preparing alkali metal-doped fullerenes Superconducting, metal-doped fullerenes are provided, along with processes for their preparation in relatively high stoichiometric purity. In one embodiment, the processes provide fullerenes of the formula M3 C60 where M is an alkali... | 06/29/1993 |
| 5174926 | Compositions for piezoresistive and superconductive application A piezoresistive pressure transducer employing a sapphire force collector diaphragm having piezoresistive films of silicon epitaxially formed on a major surface thereof, preferably in a Wheatstone bridge pattern. The silicon piezoresistive film is prefera... | 12/29/1992 |
| 5145836 | Method for producing shaped parts from high temperature oxide metal superconductive composites A technique which produces macroscopically homogeneous-shaped parts utilizes oxide-metal superconductor composites by providing a mixture of a superconductor oxide, a metal and either a oxygen or a fluorine donor.... | 09/08/1992 |
| 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 |
| 5098868 | Vanadium-based superconducting metallic oxides Vanadium-containing superconducting oxides are disclosed having critical temperature (Tc) values of above about 100° K. and preferably about 110°-150° K., together with predicted current density (Jc) values on the order of 10... | 03/24/1992 |
| 5017554 | Superconducting metal oxide Tl-Pb-Ca-Sr-Cu-O compositions and processes for manufacture and use Compositions having the nominal formula Tle Pba Cab Src Cud Ox wherein a is from about 1/10 to 3/2, b is from about 1 to 4, c is from about 1 to 3 d is from about 1 to 5 e is from about 3/10 to 1 x=(a+b+c... | 05/21/1991 |
| 4959348 | Y-Ba-Cu-O superconductor for containing antimony or boron to increase current density A superconductor essentially comprises a three-component metallic oxide including yttrium, barium, and copper (Y-Ba-Cu three-component metallic oxide) and an oxide of an element having a melting point lower than that of the three-component metallic oxide ... | 09/25/1990 |
| 4956337 | Nb-Si-Al-O superconductors with high transition temperatures and process for manufacturing the same A superconductive material with a superconducting critical temperature of at least 77° K. comprising 20 at. % Nb, 10 at. % Si, 10 at. % Al and 60 at. % O is provided by simultaneous vapor-phase physical deposition or sputtering of Nb, Si and Al onto a he... | 09/11/1990 |
| 4929594 | Superconducting composition Tl2 Ba2 CuO6+x and process for manufacture Compositions containing a crystalline phase of the formula Tl2 Ba2 CuO6+x wherein x is from 0 to 0.5. Processes for manufacturing such compositions and for using them are disclosed.... | 05/29/1990 |
