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Superconducting Multi-Target Co-Deposition
Superconducting Multi-Target CoDeposition: New superconductor coating equipment allows simultaneous codeposition of three different materials on a rotating substrate with controlled stoichiometrics. Each material's- deposition rate can be independently monitored, and the system ensures formation of materials under low-vacuum conditions and controlled temperatures up to 900°C. Three different ion sources can sputter transfer materials from either six or eight different target materials, while a fourth source precleans and provides in situ oxygen enrichment. Commonwealth Scientific Corporation, 500 Pendleton Street, Alexandria, VA 22314; (703) 548-0800. Superconductivity Sourcebook: Contents cover significant applications, market potential analysis and current status of technology commercialization, and include more than 600 superconductivityrelated definitions, acronyms, and reference information (periodicals, journals, conference proceedings, reference books, newsletters, journals, special reports, and video resourses). Author is V. Daniel Hunt, Technology Research Corporation. John Wiley & Sons, One Wiley Drive, Somerset, NJ 08873; (201)469-4400.
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Plasma Spray Systems for Superconductive Coatings: Four-page brochure describes complete plasma spray systems for depositing superconductive coatings on bulk materials, including: magnetic shielding, bearings, electromagnetic guns and launchers, energy storage, cyclotrons, microwave cavities, free electron lasers, motors, generators, fusion, field power supplies, propulsion systems, and sputter sources (sprayed coatings and powder). A complete Metco superconductor plasma spray package includes the MNS system, one kilogram of plasma spray powder, a comprehensive training and installation program, ongoing technical support, and continuous technology update reports. Perkin-Elmer Corporation; Superconductor Operations Center, 761 Main Avenue, Norwalk, Connecticut 06859-0205; (203) 762-6971. Cryostats for Superconductor Cooling: Four-page brochure describes refrigerator cryostats for rapidly cooling high T, superconductors. Included are product descriptions, photos, performance curves, operation, benefits, and order information. Leybold Vacuum Products, Inc., 5700 Mellon Road, Export, PA 15632; (412) 3275700.
Superconducting Single Crystals: Large Y 1-2-3 and Bi2Ca,Sr2Cu,0, crystals are available with zero resistance values up to 85 K for both materials. The 1-2-3 crystals are available in sizes up to 1.5 cm x 1 cm x 0.1 mm. Mixed phase Bi... crystals are grown as long rods and are available in sizes up to 2.5 cm x 4 mm x 0.1 mm, but the largest crystals are comparatively Bi lean and Cu rich. Also available are CuO crystals in sizes up to 1.5 cm x 3 mm x 3 mm, and melt-cast samples which can be formed in various shapes. SuperconiX, Inc., 261 East Fifth Street, Box 31, St. Paul, MN 55101; (612) 222-0046. Superconductivity Testing Service: Full range of laboratory testing services covers thin films, wires, assorted sintered mater
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