Production of thin layers of a high temperature superconductor (

Details Production of thin layers of a high temperature superconductor ( Production of thin layers of a high temperature superconductor (

1989-09-25

1991-10-29

Nguyen, Nam X.

Harness for working animal

427 37, 20419238, H01L 3912, B05D 306

Patent

active

050616846

ABSTRACT:
In the process according to the invention, material is vaporized off a cathode and deposited on a substrate in a cathodic arc vaporization process, the arc base being moved on the cathode surface in a random or controlled manner. In the arc vaporization process, preferably at least two cathodes of different alloys or mixtures of the metallic components of the high temperature superconductor (HTSC) are activated for vaporization by an arc and the materials vaporized out of the different alloys are jointly deposited on the substrate, the arc vaporization process occurring reactivity under oxygen atmosphere of preset O.sub.2 partial pressure. A heat treatment for adjusting the structure and oxygen stoichiometry suitable for superconduction can be carried out after or during the vaporizing process.

REFERENCES:
patent: 4654231 (1987-03-01), Nyberg et al.
patent: 4877505 (1989-10-01), Bergmann
patent: 4917786 (1990-04-01), Ehrich
patent: 4919968 (1990-04-01), Buhl et al.
"Ti.sub.x Al.sub.1-x N Films Deposited by Ion Plating with an Arc Evaporator" by H. Freller and H. Haessler.
"Progress in Physical Vapour Deposited Wear Resisting Coatings on Tools and Components" by H. Freller, K. G. Gunther, and H. Hassler.
Ishiwara et al., "Preparation . . . Method", Jap. Journal of Appl. Physics, vol. 28, No. 5, 5/89, pp. 816-818.
Ginley et al., "Sequential . . . 97K", Appl. Physics Lett., 53(5), Aug. 1, 1988, pp. 406-408.
Randhawa et al., "Technical . . . Applications", Surf. Coating Techn., 31(1987), 303-318.

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