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7507691 |
Bismuth based oxide superconductor thin films and method of manufacturing the same
A Bi-based oxide superconductor thin film whose c-axis is oriented parallel to the substrate and whose a-axis (or b-axis) is oriented perpendicular to the substrate, is manufactured in order to...
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7258927 |
High rate buffer layer for IBAD MgO coated conductors
Articles are provided including a base substrate having a layer of an oriented material thereon, and, a layer of hafnium oxide upon the layer of an oriented material. The layer of hafnium oxide can...
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7226893 |
Superconductive articles having density characteristics
A superconductive article is disclosed, having a substrate a buffer layer overlying the substrate, and a superconductive layer overlying the buffer layer. According to embodiments, the article may...
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6921741 |
Substrate structure for growth of highly oriented and/or epitaxial layers thereon
A composite substrate structure including a substrate, a layer of a crystalline metal oxide or crystalline metal oxynitride material upon the substrate, a layer of an oriented cubic oxide material...
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6764770 |
Buffer layers and articles for electronic devices
Materials for depositing buffer layers on biaxially textured and untextured metallic and metal oxide substrates for use in the manufacture of superconducting and other electronic articles comprise...
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6730410 |
Surface control alloy substrates and methods of manufacture therefor
Methods and articles for controlling the surface of an alloy substrate for deposition of an epitaxial layer. The invention includes the use of an intermediate layer to stabilize the substrate...
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6610633 |
Superconductor device
A lanthanum aluminate (LaAlO 3 ) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure,...
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6610632 |
Tape-formed oxide superconductor
The present invention provides a tape-form oxide superconductor having a high degree of c-axis alignment and in-plane alignment and an improved Jc value. On a tape-form metal substrate which is...
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6591119 |
Synthesis of superconducting magnesium diboride objects
A process to produce magnesium diboride objects from boron objects with a similar form is presented. Boron objects are reacted with magnesium vapor at a predetermined time and temperature to form...
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6531426 |
Neodymium gallate surface barrier for melt-processed YBa2Cu3Ox conductor with nickel sheath
A new process for making a neodymium gallate (NGO) surface layer on the inside surface of a protective outer sheath of nickel surrounding a core of yttrium-based copper oxide (YBCO) superconductor...
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6500568 |
Biaxially textured metal substrate with palladium layer
Described is an article comprising a biaxially textured metal substrate and a layer of palladium deposited on at least one major surface of the metal substrate; wherein the palladium layer has...
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6487427 |
Dielectric resonator, dielectric filter, dielectric duplexer, and communications device having specific dielectric and superconductive compositions
A compact dielectric resonator of high Qu, in which an electrode formed of an oxide superconducting material is provided on a surface of the dielectric so as to serve as an electrode. A dielectric...
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6455166 |
Metallic substrates for high temperature superconductors
A biaxially textured face-centered cubic metal article having grain boundaries with misorientation angles greater than about 8° limited to less than about 1%. A laminate article is also disclosed...
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6410487 |
Large area bulk superconductors
A bulk superconductor having a thickness of not less than about 100 microns is carried by a polycrystalline textured substrate having misorientation angles at the surface thereof not greater than...
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6337149 |
Superconductor coplanar waveguide
A lanthanum aluminate (LaAlO 3 ) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure,...
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6328942 |
A4MeSb3O12 compounds for growth of epitaxial HTSC/perovskite oxide films for use in HTSC/perovskite oxide devices and microwave device structures
Compounds of the general formula A 4 MeSb 3 O 12 wherein A is either barium (Ba) or strontium (Sr) and Me is an alkali metal ion selected from the group consisting of lithium (Li), sodium (Na)...
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6324413 |
Superconductor Josephson junction
A lanthanum aluminate (LaAlO 3 ) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure,...
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6309767 |
Superconductor structure with glass substrate and high-temperature superconductor deposited thereon, current limiter device having the superconductor structure and process for producing the structure
A superconductor structure inclludes a substrate made from a temperature-resistant glass material, a buffer layer which has been deposited on the substrate, and a layer of a metal oxide high T c ...
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6297200 |
High-frequency substrate material for thin-film layered perovskite superconductors
A lanthanum aluminate (LaAlO 3 ) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure,...
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6251834 |
Substrate materials
The invention provides an improved substrate for growing layers of oxide superconductor materials for use in high current engineering applications. The invention also provides superconducting...
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6251530 |
Thin-film of a high-temperature superconductor compound and method
A thin-film of a high temperature superconducting compound having the formula M 1 -x CuO 2 -y, where M is Ca, Sr, or Ba, or combinations thereof, x is 0.05 to 0.3, and x>y. The thin film has a T...
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6238774 |
Protection of oxide superconductor
A high temperature oxide superconductor is efficiently protected from the affects of water and acids by forming a passivation layer of a fluoride. The fluoride layer comprises a fluoride composed...
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6156706 |
Layer structure with an epitaxial, non-c-axis oriented HTSC thin film
The invention relates to a layered structure with at least one epitaxial, non-c-axis oriented high Tc superconductor (HTSC) thin film with an approximately tetragonal structure, in which the thin...
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6140275 |
Ceramic substrate for bi-cuprate superconductors and a process for preparing the same
A novel ceramic substrate useful for the preparation of superconductors, said substrate having the formula Ba 2 DyMO 5 .5 where M represents at least one of the metals Zr, Sn and Hf and a process...
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6121206 |
Process for preparing YBCO superconducting films on a ceramic substrate
A novel ceramic substrate useful for the preparation of superconducting films, said substrate having the formula REBa 2 MO 6 where RE represents rare earth metals--Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy,...
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6117824 |
Superconductor microstrip transmission line
A lanthanum aluminate (LaAlO 3 ) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure,...
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6084246 |
A.sub.4 MeSb.sub.3 O.sub.12 substrates and dielectric/buffer layers for growth of epitaxial HTSC/perovskite oxide films for use in HTSC/perovskite oxide devices and microwave device structures
Compounds of the general formula A 4 MeSb 3 O 12 wherein A is either barium (Ba) or strontium (Sr) and Me is an alkali metal ion selected from the group consisting of lithium (Li), sodium (Na)...
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6074990 |
Superconducting garnet thin film system
A superconducting garnet thin film system (10) is provided for high frequency microwave applications where a single crystal high temperature superconducting (HTSC) layer (18) is integrated with a...
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6051846 |
Monolithic integrated high-T.sub.c superconductor-semiconductor structure
A method for the fabrication of active semiconductor and high-temperature superconducting device of the same substrate to form a monolithically integrated semiconductor-superconductor (MISS)...
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6028036 |
Oxide ceramic superconductive composite member and method for manufacture
A superconductive composite member comprises a core of oxide ceramic superconducting material that is disposed in a metal envelope comprising a silver alloy which is hardenable by an oxide...
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6005194 |
A.C. cable with two concentric conductor configurations of stranded single conductors
An a.c. cable has at least one cable core (15) with two concentric conductor arrangements (8, 9) used as forward and return conductors. At least one of the conductor arrangements (8, 9) contains a...
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5998050 |
Composite metal oxide material
A composite material is disclosed which includes a substrate, an oriented film provided on a surface of the substrate and formed of a crystal of a Y123 metal oxide of the formula LnBa 2 Cu 3 O y ...
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5994276 |
Composite high Tc superconductor film
A composite high Tc superconductor film is applied to a substrate, said film as applied having a thickness of at least 5000 Angstrom and an outer surface having an average roughness not exceeding...
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5974336 |
Oxide superconductor and method of manufacturing the same
An oxide superconductor comprises a base material consisting of a single crystalline oxide, an oxide superconductor film consisting of a Y123 compound and formed on the single crystalline oxide...
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5925892 |
Josephson junction element with an asymmetric groove providing a single weak link region
A Josephson junction element having a substrate of a single crystal having a V-shaped notch formed in a surface of the substrate and a wiring pattern of an oxide superconductor formed on the...
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5912211 |
Method of manufacturing a superconducting pattern by light irradiation
A superconducting ceramic film is deposited on a substrate sputtering. In virtue of the low thermal conductivity of ceramic, a laser beam is radiated to the ceramic film in order to remove the...
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5906963 |
Superconductor Josephson junction comprising lanthanum aluminate
A lanthanum aluminate (LaAlO 3 ) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure,...
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5898020 |
Structures having enhanced biaxial texture and method of fabricating same
A biaxially textured article includes a rolled and annealed, biaxially textured substrate of a metal having a face-centered cubic, body-centered cubic, or hexagonal close-packed crystalline...
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5866252 |
Super conducting metal-ceramic composite
This invention permits superconducting ceramics, as well as other ceramic materials, to be spray deposited onto indefinitely large sheets of metallic substrate from a carboxylic acid salt solution....
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5863869 |
Thin film high T.sub.c oxide superconductors and method for making the same
Superconducting transition metal oxide films are provided which exhibit very high onsets of superconductivity and superconductivity at temperatures in excess of 40° K. These films are produced by...
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5856276 |
Ceramic substrate useful for the preparation of superconducting films and a process for preparing the films
A novel ceramic substrate useful for the preparation of superconducting films, said substrate having the formula REBa 2 MO 6 where RE represents rare earth metals--Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy,...
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5849670 |
Thallium group superconducting wire
In order to provide a crystal oriented high quality thallium group superconducting wire having a high critical current density, thallium group superconducting film is formed on oxide single crystal...
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5849669 |
High temperature superconducting Josephson device and method for manufacturing the same
A high critical temperature superconducting Josephson device includes a bicrystal substrate formed of a first single crystal substrate and a second single crystal substrate, with end faces of the...
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5831279 |
Device and method providing weak links in a superconducting film and device comprising weak links
A device with weak links (Josephson junctions) in a superconducting film has two single crystals connected through an interconnecting arrangement that may have one or more sublayers. At least two...
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5828078 |
Electrostatic discharge protection using high temperature superconductors
The present invention presents an electrostatic discharge and power surge protected circuit board (10) and method for providing an electrostatic discharge and power surge protected circuit board....
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5814584 |
Compound in the series A.sub.2 MeSbO.sub.6 for use as substrates barrier-dielectric layers and passivating layers in high critical temperature superconducting devices
Compounds of the general formula A 2 MeSbO 6 wherein A is either barium (Ba) or strontium (Sr) and Me is a non-magnetic ion selected from the group consisting of scandium (Sc), indium (In) and...
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5798312 |
Elongate superconductor elements comprising oxide superconductors, superconducting coils and methods of making such elements
An elongate superconductor wiring element having, as seen in section, oxide superconductor material regions in each of which the c-axes of the oxide superconductor crystals are aligned with each...
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5767029 |
Metal-ceramic composite material
Metal-ceramic composite materials which combine advantageous properties of ceramic and metal and have the composition (Mg 1 -x Cu x )O+Ag y , where 0.03≤x≤0.25 and 0.001≤y≤0.5, can be...
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5759960 |
Superconductive device having a ceramic superconducting lead resistant to breakage
A superconductive device (e.g., magnet) having a superconductive lead assembly and cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first...
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5736489 |
Method of producing melt-processed polycrystalline YBa.sub.2 Cu.sub.3 O.sub .
A method is provided for producing polycrystalline superconductor materials which utilizes a zdense and non-polluting 211 substrate which has been pre-sintered prior to melt processing with a 123...
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