Patent application number | Description | Published |
20090107395 | Deposition Apparatus With Guide Roller For Long Superconducting Tape - Disclosed herein is a deposition apparatus with a guide roller for a long superconducting tape. The deposition apparatus has a supply reel which is provided in a vacuum chamber and rotated to supply the tape, a feed and deposition unit which is spaced apart from the supply reel and vacuum deposits a superconducting layer on the tape while feeding the tape, and a collection reel which is spaced apart from the feed and deposition unit and is rotated to collect the vacuum-deposited tape. The feed and deposition unit includes a drum which is rotated to wind the tape on a predetermined portion of an outer circumference of the drum several times, thus feeding the tape, and a guide roller which is spaced apart from the drum, includes a plurality of rollers each having on an outer circumference thereof grooves and protrusions at regular intervals, and is inclined at a predetermined angle with respect to a rotating shaft of the drum by a sum of a width of the tape and a thickness of each of the protrusions, with the tape passing over an outer circumference of the guide roller. The invention deposits a superconducting layer while maintaining constant tension when the tape is thermally deposited, thus preventing the tape from being deformed because of the difference in the thermal expansion and contraction of the tape resulting from non-uniform tension. | 04-30-2009 |
20090110952 | Gradient Thin Film - Disclosed herein is a gradient thin film, formed on a substrate by simultaneously depositing different materials on the substrate using a plurality of thin film deposition apparatuses provided in a vacuum chamber, wherein the gradient thin film is formed such that the composition thereof is continuously changed depending on the thickness thereof by deposition control plates provided in the path through which the different materials move to the substrate. The gradient thin film is advantageous in that the thin film is formed by simultaneously depositing different materials using various deposition apparatuses, so that the composition thereof is continuously changed depending on the thickness thereof, with the result that the physical properties of a thin film are easily controlled and the number of deposition processes is decreased, and thus processing time and manufacturing costs are decreased, thereby improving economic efficiency. | 04-30-2009 |
20090111700 | Superconducting Strip Having Metal Coating Layer And Method Of Manufacturing The Same - Disclosed herein is a superconducting strip having a metal coating layer and a method of manufacturing the superconducting strip. The method of manufacturing the superconducting strip includes: washing a superconducting thin film, a stabilizing substrate and an anti-bonding substrate with alcohol; forming a metal coating layer on each of the superconducting thin film and stabilizing substrate; adhering the superconducting thin film and stabilizing substrate to each other such that the metal coating layer formed on the superconducting thin film faces the metal coating layer formed on the stabilizing substrate; disposing the anti-bonding substrate on an outside of the stabilizing substrate and then winding the anti-bonding substrate such that the anti-bonding substrate and the stabilizing substrate are closely adhered to each other by winding the anti-bonding substrate around a bobbin under a predetermined tension; and heat-treating the superconducting thin film and stabilizing substrate such that they are bonded to each other by the metal coating layer disposed therebetween. | 04-30-2009 |
20100137142 | Method of Manufacturing Round Wire Using Superconducting Tape and Round Wire Manufactured Using the Superconducting Tape - Disclosed herein is a method of manufacturing round wire using superconducting tape, including the steps of: slitting superconducting tape into superconducting tape strips; silver-coating the slit superconducting tape strips; laminating the silver-coated superconducting tape strips to form a superconducting tape laminate having a square cross-section; holding the superconducting tape laminate; heat-treating the fixed superconducting tape laminate to cause diffusion junction between silver; and copper-plating the heat-treated superconducting tape laminate to have a circular section. The method is advantageous in that, since it is formed by slitting, silver-coating and laminating conventional superconducting tape, its superconducting layer can be protected, and it has a circular cross-section, so that it can be easily joined and wound, with the result that it is expected that, like general copper wires, its application fields will be enlarged because it can be wound in a solenoid shape at the time of magnetic winding. | 06-03-2010 |
20110140710 | Continuous Critical Current Measurement Apparatus And Method Of Measuring Continuous Critical Current Using The Same - The present invention relates to an apparatus and method for measuring the critical current of a superconducting tape. A continuous critical current measurement apparatus for measuring critical current of a superconducting tape while feeding a superconducting tape in a liquid nitrogen container includes wheel-type current terminals and wheel-type voltage terminals. The superconducting tape is continuously supplied and fed by a reel-to-reel device, and the critical current of the superconducting tape is measured in real time using the wheel-type current terminals and the wheel-type voltage terminals while the superconducting tape is fed at constant linear velocity in contact with the wheel-type current terminals and the wheel-type voltage terminals. | 06-16-2011 |
20110218112 | Superconducting Wire - Disclosed herein is a superconducting wire which is used in, for example, superconducting magnet energy storage systems. The superconducting wire includes: a wire comprising a metal substrate, a superconducting layer and a buffer interposed between the metal substrate and the superconducting layer; and a stabilizer layer plated on the wire, wherein an epoxy resin insulating layer coats the entire surface of the stabilizer layer. The superconducting wire makes it possible to reduce damage to an insulating material when forming the insulating material during the production of the superconducting wire, and it has a uniform surface and can be produced in a simple manner. | 09-08-2011 |
20120252680 | HIGH-TEMPERATURE SUPERCONDUCTING TAPE - Disclosed herein is a high-temperature superconducting tape, including: a substrate; a buffer layer formed on the substrate; and a high-temperature superconducting layer formed on the buffer layer, wherein the substrate is made of SUS310s or stainless steel containing 0.01-1% of silicon (Si) and 1-5% of molybdenum (Mo) and has an average metal crystal grain size of 12 μm or less, and the high-temperature superconducting layer is made of a ReBCO (ReBa | 10-04-2012 |
20120283105 | Superconducting Strip Having Metal Coating Layer and Method Of Manufacturing the Same - A rolled superconducting article includes: a cylindrical bobbin having a post in a cylindrical shape; a superconducting strip wound on the cylindrical bobbin in a rolled shape with a predetermined tension applied, wherein the superconducting strip is formed of a superconducting thin film, which is coated with a metal coating layer on a facing surface of the superconducting thin film, and a stabilizing substrate wound on the superconducting strip, wherein the stabilizing substrate is coated with a metal coating layer on a facing surface of the stabilizing substrate; an anti-bonding substrate wound on an outer surface of the stabilizing substrate with a predetermined tension applied; wherein the superconducting thin film is thermally adhered to the stabilizing substrate by heat-treating the rolled superconducting strip with the anti-bonding substrate wound therearound. | 11-08-2012 |
20120329658 | METHOD OF FORMING CERAMIC WIRE, SYSTEM OF FORMING THE SAME, AND SUPERCONDUCTOR WIRE USING THE SAME - Provided is a method of forming a ceramic wire. In the method, a ceramic precursor film is deposited on a wire substrate. Then, the wire substrate on which the ceramic precursor film is deposited is treated by heating. For treating the wire substrate by heating, a temperature of the wire substrate and/or an oxygen partial pressure of the wire substrate are controlled such that the ceramic precursor film is in a liquid state and an epitaxy ceramic film is formed from the liquid ceramic precursor film on the wire substrate. | 12-27-2012 |