Claims
- 1. Method for making a superconducting structure for confining or guiding electromagnetic radiation having wavelengths in the range of approximately 10 micrometers to 1 centimeter, said structure having surfaces exposed to the radiation and said surface being covered with ceramic superconducting materials having critical temperatures greater than 35 degrees Kelvin, comprising:
- growing the ceramic superconducting materials on a tube of soluble material by sputtering the materials on the tube;
- depositing structural material on the superconducting materials; and
- dissolving the tube material.
- 2. Method for making a superconducting structure for confining or guiding electromagnetic radiation having wavelengths in the range of approximately 10 micrometers to 1 centimeter, said structure having surfaces exposed to the radiation and said surfaces being covered with ceramic superconducting materials having critical temperatures greater than 35 degrees Kelvin, comprising:
- growing the ceramic superconducting materials on a tube of soluble material by vapor deposition of the materials on the tube;
- depositing structural material on the superconducting materials; and dissolving the tube material.
- 3. Method for making a superconducting structure for confining or guiding electromagnetic radiation having wavelengths in the range of approximately 10 micrometers to 1 centimeter, said structure having surfaces exposed to the radiation and said surfaces being covered with ceramic superconducting materials having critical temperatures greater than 35 degrees Kelvin, comprising:
- growing the ceramic superconducting materials on a tube of soluble material by vapor deposition via laser evaporation of the materials on the tube;
- depositing structural material on the superconducting materials; and dissolving the tube material.
- 4. The method of any of claims 1, 2, or 3 wherein the step of growing the ceramic superconducting materials comprises growing the superconducting material La-Ba-Cu-O.
- 5. The method of any of claims 1, 2, or 3 wherein the step of growing the ceramic superconducting materials comprises growing the superconducting material Y-Ba-Cu-O.
- 6. The method of claim 5 wherein the step of growing the superconducting material Y-Ba-Cu-O comprises growing the Y-Ba-Cu-O material in a prespecified orientation such that Cu-O planes of the Y-Ba-Cu-O material are parallel to said surfaces covered by the Y-Ba-Cu-O.
- 7. The method of any of claims 1, 2, or 3 wherein the step of growing the ceramic superconducting materials comprises growing said materials on a tube comprised of aluminum.
- 8. The method of any of claims 1, 2, or 3 wherein the step of growing the ceramic superconducting materials comprises growing said materials on a tube comprised of plastic.
- 9. The method of any of claims 1, 2, or 3 wherein the step of depositing structural material comprises depositing copper.
- 10. The method of any of claims 1, 2, or 3 wherein the tube includes patterns which are passed on to the superconducting material.
- 11. A method for making a superconducting structure for confining or guiding electromagnetic radiation comprising:
- depositing a single crystal coating of ceramic superconducting material on an etched substrate with well-defined patterns; and
- shock heating the ceramic superconductor with a short pulse laser to separate the single crystal superconductor from the substrate.
Parent Case Info
This is a divisional of application Ser. No. 07/121,923, filed Nov. 18, 1987, now U.S. Pat. No. 4,918,049, issued on Apr. 17, 1990.
US Referenced Citations (8)
Non-Patent Literature Citations (4)
Entry |
Wu et al, "The Josephson Effect in a Ceramic Bridge at Liquid Nitrogen Temperatures", Jap. Jour. of Applied Physics, vol. 26, No. 10, Oct. 1987 pp. L1519-L1580. |
Chaudhari et al, "Quantum Interference Devices Made From Superconducting Oxide Thin Films", Appl. Phys. Lett. 51(3) Jul. 20, 1987, pp. 200-202. |
Moriwaki et al, "Electrical Properties of Superconducting (La.sub.1-x Sr.sub.x).sub.2 CuO.sub.4 " High Temperature Superconductors, MRS Apr. 23-24, 1987. |
Enomoto, et al, "Largely Anisotropic Superconducting Critical Current in Epitaxially . . . ", Jap. Jour. of Appl. Phys. vol. 26, No. 7 Jul. 1987 pp. L1248-L1250. |
Divisions (1)
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Number |
Date |
Country |
Parent |
121923 |
Nov 1987 |
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