Method and etchant to join Ag-clad BSSCO superconducting tape
Abstract
A method of removing a silver cladding from high temperature superconducting material clad in silver (HTS) is disclosed. The silver clad HTS is contacted with an aqueous solution of HNO{sub 3} followed by an aqueous solution of NH{sub 4}OH and H{sub 2}O{sub 2} for a time sufficient to remove the silver cladding from the superconducting material without adversely affecting the superconducting properties of the superconducting material. A portion of the silver cladding may be masked with a material chemically impervious to HNO{sub 3} and to a combination of NH{sub 4}OH and H{sub 2}O{sub 2} to preserve the Ag coating. A silver clad superconductor is disclosed, made in accordance with the method discussed. 3 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Chicago, IL (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 335495
- Patent Number(s):
- 5882536
- Application Number:
- PAN: 8-541,210
- Assignee:
- Univ. of Chicago, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 16 Mar 1999
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; HIGH-TC SUPERCONDUCTORS; COATINGS; SILVER; SUPERCONDUCTING COMPOSITES; AQUEOUS SOLUTIONS; FABRICATION; ETCHING; AMMONIUM HYDROXIDES; NITRIC ACID
Citation Formats
Balachandran, U, Iyer, A N, and Huang, J Y. Method and etchant to join Ag-clad BSSCO superconducting tape. United States: N. p., 1999.
Web.
Balachandran, U, Iyer, A N, & Huang, J Y. Method and etchant to join Ag-clad BSSCO superconducting tape. United States.
Balachandran, U, Iyer, A N, and Huang, J Y. Tue .
"Method and etchant to join Ag-clad BSSCO superconducting tape". United States.
@article{osti_335495,
title = {Method and etchant to join Ag-clad BSSCO superconducting tape},
author = {Balachandran, U and Iyer, A N and Huang, J Y},
abstractNote = {A method of removing a silver cladding from high temperature superconducting material clad in silver (HTS) is disclosed. The silver clad HTS is contacted with an aqueous solution of HNO{sub 3} followed by an aqueous solution of NH{sub 4}OH and H{sub 2}O{sub 2} for a time sufficient to remove the silver cladding from the superconducting material without adversely affecting the superconducting properties of the superconducting material. A portion of the silver cladding may be masked with a material chemically impervious to HNO{sub 3} and to a combination of NH{sub 4}OH and H{sub 2}O{sub 2} to preserve the Ag coating. A silver clad superconductor is disclosed, made in accordance with the method discussed. 3 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {3}
}
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