Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1992-07-02
1993-11-16
Niebling, John
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
2041814, 2041817, 505741, 427 62, 427 63, C25D 1302, B05D 512
Patent
active
052620263
ABSTRACT:
In a method for manufacturing a device having a film of high temperature superconductor, a copper substrate is used in the electrophoretic deposition as a cathode on which fine powders of superconductor should be deposited, and the fine powders deposited on the substrate are fired in the conditions that they are sintered partially.
In other methods for manufacturing such a device, a desired minute pattern of electrically conductive material as a cathode in the electrophoretic deposition is formed on a substrate, and a minute pattern of fine powders is deposited according to the pattern of the cathode. Then, the fine powders are fired to form a superconductor film. Such a desired pattern of the cathode is formed by the patterning of a film of an electrically insulating substrate. Such a desired pattern of the cathode is also formed by the patterning of an electrically insulating material, applied to an electrically conductive substrate.
In a further method for manufacturing such a device, a desired minute pattern of electrically conductive material as a cathode in the electrophoretic deposition is formed on a substrate, while another pattern of electrically conductive material as an anode is formed on the same substrate near the former pattern so as to keep a constant distance. The fine powders deposited on the former pattern are fired to form a superconductor film.
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Era, Masanori; Noge, Satoru; Yamashita, Tsutomui & Takata, Masasuke, "New Techniques for Device Fabrications of High-Transition Temperature Superconducting Thin-Films" Nippon Seramikkusu Kyokai Gakujustsu Ronbunshi 97 (10), pp. 1058-1064.
Chemical Abstract 112(4):28890v, Era, Masanori; Noge, Satoru; Yamashita, Tsutomu; Takata, Masasuke "New Techniques for Device Fabrications of High-Transistor Temperature Superconducting Thin-Films" Nippon Seramikkusu Kyokai Gakujutsu Ronbumshi, 97 (10) pp. 1058-1064.
C. T. Chu and B. Dunn "Fabrication of .gamma.Ba.sub.2 Cu.sub.3 O.sub.7-y Superconducting Coatings by Electrophoretic Deposition"Appl. Phys. Lett. 55(5), 31 Jul. 1989, pp. 492-494.
Nobuyu Kikoura "Preparation of Various Shape Superconducting Ceramics Using the Electrophoretic Deposition Method" Denki Kagaku, 56 (3) pp. 208-209.
Preparation of Various Shape Superconducting Ceramics Using the Electrophoretic Deposition Method, Nobuyuki Koura, Feb. 10, 1988.
Fabrication of YBa.sub.2 CU.sub.3 O.sub.7-y superconducting coatins by electrophoretic deposition, by C. T. Chu and B. Dunn; Jun. 5, 1989.
Highly Sensitive Magnetic Sensor Using Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x Films, R. Kita, et al. 5th Fed. HiTsSc-Ed Workshop, Jun. 2-4, 1988, pp. 231-234.
Galvanomagnetic Effect of an Y-Ba-Cu-O Ceramic Superconductor and Its Application to Magnetic Sensors, H. Nojima, et al. Pub. Feb. 27, 1988.
Koba Masayoshi
Nagata Masaya
Nojima Hideo
Shintaku Hidetaka
Niebling John
Sharp Kabushiki Kaisha
Starsiak Jr. John S.
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