International Superconductivity Technology Center Patent applications |
Patent application number | Title | Published |
20160125977 | OXIDE SUPERCONDUCTOR AND METHOD FOR MANUFACTURING SAME - An oxide superconductor includes: a substrate made of a metal; an insulating intermediate layer provided on the substrate; an oxide superconducting layer provided on the intermediate layer; a metal stabilizing layer provided on the oxide superconducting layer; and a plurality of dividing grooves which divide the metal stabilizing layer and the oxide superconducting layer along a longitudinal direction of the substrate, reach the inside of the intermediate layer through the oxide superconducting layer from the metal stabilizing layer, and do not reach the substrate. The metal stabilizing layer and the oxide superconducting layer are divided to form a plurality of filament conductors by the plurality of dividing grooves, and in each dividing groove of the plurality of dividing grooves, a width of a groove opening portion of the dividing groove is equal to or greater than a width of a groove bottom portion of the dividing groove. | 05-05-2016 |
20150357091 | RE123-BASED SUPERCONDUCTING WIRE AND METHOD OF MANUFACTURING THE SAME - An RE123-based superconducting wire of the invention includes: a substrate; an intermediate layer provided above the substrate; and an oxide superconducting layer that is provided above the intermediate layer and is made of an oxide superconductor expressed by a composition formula of RE | 12-10-2015 |
20150219730 | HIGH-TEMPERATURE SUPERCONDUCTING MAGNETIC SENSOR - A high-temperature superconducting magnetic sensor having superconducting layers formed on a substrate, a superconducting quantum interference device (SQUID) being formed on the superconducting layers, the high-temperature superconducting magnetic sensor includes: a pickup coil that is formed on the superconducting layer and is connected to an inductor of the SQUID; and an input coil that is formed on the superconducting layer, is connected to the inductor of the SQUID and the pickup coil to form a closed loop, and is magnetically coupled with the inductor of the SQUID. In planar view, at least one turn of the input coil surrounds the inductor of the SQUID, or is surrounded by the inductor of the SQUID. The width of the superconductor forming the inductor of the SQUID is 10 μm or less. | 08-06-2015 |
20140349854 | IRON-BASED SUPERCONDUCTING MATERIAL, IRON-BASED SUPERCONDUCTING LAYER, IRON-BASED SUPERCONDUCTING TAPE WIRE MATERIAL, AND IRON-BASED SUPERCONDUCTING WIRE MATERIAL - Provided is an iron-based superconducting material including an iron-based superconductor having a crystal structure of ThCr | 11-27-2014 |
20140345298 | LIQUID NITROGEN COOLING SENSOR DEVICE CONTAINER AND LIQUID NITROGEN COOLING SENSOR DEVICE - The invention relates to a liquid nitrogen cooling sensor device container and liquid nitrogen cooling sensor equipment, and effectively reduces low-frequency noise while maintaining the ease with which a probe can be inserted in and removed from liquid nitrogen. Said invention comprises: a liquid nitrogen containing insulating container that contains liquid nitrogen; a sensor fixing member which has a distal end portion to which a sensor operating at a temperature of the liquid nitrogen is attached; and a fixing buffer member which is for fixing the sensor fixing member to the liquid nitrogen containing insulating container, wherein the fixing buffer member exerts a buffering effect in the liquid nitrogen. | 11-27-2014 |
20140175380 | SUPERCONDUCTING SINGLE FLUX QUANTUM INTEGRATED CIRCUIT DEVICE - The present invention relates to a superconducting single flux quantum integrated circuit device, and eliminates the return current from a bias current and the effect the bias current itself has on SFQ logic circuits in a chip. A bias power source line for supplying a DC bias current for the superconducting single flux quantum integrated circuit in a chip and a bias drawing power source line for drawing said DC bias current to the outside of the chip are provided, the end of the bias drawing power source line is connected to the ground plane of the chip via a thin-film resistor having a plurality of resistance values of 0.1 milliohm to I milliohm near the superconducting single flux quantum integrated circuit laid out in the chip, and the DC bias current is drawn from a connection point with the ground plane. | 06-26-2014 |
20140148343 | RE123-BASED SUPERCONDUCTING WIRE AND METHOD OF MANUFACTURING THE SAME - An RE123-based superconducting wire includes a base material, an intermediate layer formed on the base material, and an oxide superconducting layer which is formed on the intermediate layer and includes an oxide superconductor having a composition formula represented by RE | 05-29-2014 |
20140027141 | TERMINAL CONNECTING PART OF SUPERCONDUCTING CABLE - A terminal connecting part has: a low temperature container which is filled with a cooling medium; a conductor current lead which has one end immersed in the cooling medium and the other end led to a normal temperature part; and a conductor movable connecting terminal which electrically connects a superconductive conductor layer and the conductor current lead of a superconducting cable. The superconductive conductor layer of the superconducting cable which is stripped stepwise from a front end is connected to the conductor current lead through the conductor movable connecting terminal. The cable core of the superconducting cable is movable in a longitudinal direction and is rotatable in a circumferential direction while maintaining electrical connection between the superconductive conductor layer and the conductor current lead. The cable core is horizontally supported in the low temperature container. | 01-30-2014 |
20130196857 | SUPERCONDUCTING CABLE - An AC superconducting cable with an insulating layer on the external circumference of a conductor, and wherein: the insulating layer includes a first insulating layer, a second insulating layer and a third insulating layer, from the inside layer to the outside layer; the insulating layer is impregnated with liquid nitrogen; the product of the dielectric constant ∈ | 08-01-2013 |
20130165326 | SUPERCONDUCTING CABLE LINE - In a superconducting cable line in which a superconducting cable is connected to a terminal connecting part or an intermediate connecting part, an offset part in which a superconducting cable is laid in a curved-shape is provided near the terminal connecting part or the intermediate connecting part. Further, when it is assumed that the superconducting cable is movable in the offset part, an external tube of the superconducting cable is fixed such that a maximum amplitude part which maximizes the amount of movement of the superconducting cable following thermal expansion and contraction of a cable core becomes immovable. | 06-27-2013 |
20130157867 | CONNECTION STRUCTURE FOR SUPERCONDUCTING CABLES, METHOD FOR LAYING THE SAME, AND METHOD FOR VACUUMING CONNECTION STRUCTURE FOR SUPERCONDUCTING CABLES - A thermal insulation tube has a double-structure including a thermal insulation internal tube and a thermal insulation external tube, an intermediate connecting part has a double-structure including an outer container and an inner container, the internal tube and the external tube penetrate through a wall surface of the outer container and are introduced at least up to a wall surface of the inner container, a region between the internal tube and the external tube is sealed by joining an end to be introduced of the internal tube and an end to be introduced of the external tube, at an introduction portion of the external tube to be positioned on an inner side of a wall surface of the outer container, and a corrugated tubular part has a tube wall thinner than the external tube outside of the wall surface. | 06-20-2013 |
20120245034 | LOW AC-LOSS MULTI-FILAMENT SUPERCONDUCTING WIRE MATERIAL AND MANUFACTURING METHOD THEREFOR - A low AC-loss multi-filament superconducting wire material of the invention includes an elongated base material, an intermediate layer formed on the base material; a superconducting layer formed on the intermediate layer, and a metal stabilizing layer formed on the superconducting layer, wherein a plurality of grooves extending along a long direction of the base material is formed in parallel in a width direction of the base material, and reach the intermediate layer from the metal stabilizing layer via the superconducting layer to expose the intermediate layer; and a difference δd (=d | 09-27-2012 |
20120238454 | SUBSTRATE FOR OXIDE SUPERCONDUCTOR AND PROCESS FOR PRODUCING SAME, AND OXIDE SUPERCONDUCTOR AND PROCESS FOR PRODUCING SAME - A substrate for an oxide superconductor including: a metal base; an interlayer of MgO formed on the metal base by ion beam assisted deposition method (IBAD METHOD); and a cap layer that is formed directly on the interlayer and has a higher degree of crystal orientation than that of the interlayer, in which the interlayer of MgO is subjected to a humidity treatment prior to formation of the cap layer. | 09-20-2012 |
20120157319 | High-Temperature Superconducting Magnetic Sensor and Fabrication Method of the Same - A high-temperature superconducting magnetic sensor having a superconducting layer formed on a substrate and a plurality of superconducting quantum interference devices fabricated on the superconducting layer, which includes: a plurality of input coils that are formed on the superconducting layer and connected to or magnetically coupled with each of the plurality of the superconducting quantum interference devices; a pickup coil that is formed on the superconducting layer and connected so as to form a closed loop together with the plurality of the input coils; and a plurality of trimming wires that are formed on the superconducting layer and can be cut off, while making a short-circuit between both ends of each of the plurality of the input coils. | 06-21-2012 |
20120015816 | CURRENT TERMINAL STRUCTURE OF SUPERCONDUCTING WIRE AND SUPERCONDUCTING CABLE HAVING THE CURRENT TERMINAL STRUCTURE - A current terminal structure of a superconductor has a former, and a superconducting wire wound around the former in one or more layers and including a substrate and a superconducting layer formed on the substrate. A first layer superconducting wire wound around immediately above the former is arranged so that a substrate side thereof becomes outside and a superconducting layer side thereof becomes inside. A surface of the superconducting layer at an end of the first layer superconducting wire, which is directed toward the inside, and part of a surface of the superconducting layer of a connection superconducting wire, which is directed toward the outside, are faced and connected to each other. | 01-19-2012 |
20110218113 | SUBSTRATE FOR FABRICATING SUPERCONDUCTIVE FILM, SUPERCONDUCTIVE WIRES AND MANUFACTURING METHOD THEREOF - Provided is a substrate for superconductive film formation, which includes a metal substrate, and an oxide layer formed directly on the metal substrate, containing chromium oxide as a major component and having a thickness of 10-300 nm and an arithmetic average roughness Ra of not more than 50 nm. A method of manufacturing a substrate for superconductive film formation, which includes forming an oxide layer directly on a metal substrate, the oxide layer containing chromium oxide as a major component and having a thickness of 10-300 nm and an arithmetic average roughness Ra of not more than 50 nm. | 09-08-2011 |
20100012349 | POLYCRYSTALLINE THIN FILM, METHOD FOR PRODUCING THE SAME AND OXIDE SUPERCONDUCTOR - An object of the invention is to provide a polycrystalline thin film which includes an intermediate layer that is made thinner while keeping high crystal orientation so as to prevent warpage of a substrate resulting from internal stress of the film. A polycrystalline thin film according to the invention includes an intermediate layer formed by a first layer and a second layer laminated in this order and provided on a metal substrate. The first layer has a rock-salt crystal structure and the second layer has a fluorite crystal structure. | 01-21-2010 |
20090069187 | Rare Earth-Containing Tape-Shaped Oxide Superconductor - On a first intermediate layer provided on a substrate and having an excellent surface smoothness, are formed a second intermediate layer and an YBCO superconductor layer having excellent properties. An YBCO superconductor ( | 03-12-2009 |