Process of manufacture of superconductive thin layer

专利摘要:
Superconductive thin layer of YBa2Cu3O7- delta in which reactions with the substrate are prevented in that at least the surface of the substrate consists of a compound having such a composition that in the Y2O3-BaO-CuO phase diagram it is situated on a segregation line with YBa2Cu3O7- delta .
公开号:SU1632382A3
申请号:SU884356251
申请日:1988-07-28
公开日:1991-02-28
发明作者:Корнелис Кер Вильхельмус；Адрианус Хенрикус Антониус Мутсарс Корнелис；Альбертус Мария Ван Хал Хенрикус
申请人:Н.В. Филипс Глоэлампенфабрикен (Фирма)；
IPC主号:

专利说明:

This invention relates to the technology for producing superconducting thin SL-1.1B.
The aim of the invention is to increase the critical temperature and improve the superconducting properties of the layer by eliminating the reaction between the substrate material and the superconducting thin layer.
Elimination of the interaction of the superconducting thin layer YBa.Cu. with a substrate is achieved due to the fact that a superconducting thin layer is provided on a substrate whose surface consists of a compound having a composition lying on the phase line with f of the YtO phase diagram, - BaO - CuO.
The best results were semi-C 5
yen when using substrates whose surface GO consists of Y2BaCuO. tO
On fkg.1 prprstavstapen chart
phase state Yj03-BaO - CuO, QQ
in which both YBa CujOr Ј and so on Y BaCuOy are shown - compounds located on the interface line; Fig. 2 shows the result of measuring the electrical resistance of a superconducting thin layer on a Y BaCuOy substrate as a function of temperature.
Superconducting thin ate about fСЯ
YBa CujOY.f, temperature freezes -
The electrical resistivity of which is shown in FIG. 2 was applied to —pH plasma sprayed K1 substrate from YgBaCuO. After applying YBi CujO jr.g BOXi02-.
100
loo
-1 300
T (K |
Voo
U2Bo40;
FIG. one
Editor L. Lezhnin
Compiled by I. Falskovski
Tehred L. Kravchuk Proofreader S. Chirni
Order 559
Circulation 355
VNIIPI State Committee for Inventions and Discoveries under the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. L / 5
Y0.5
Fyg.1
Subscription

权利要求:
Claims (2)
[1]
CLAIMS properties ate .: isklyuchelil due to reaction between the substrate and the superconducting layer of the race, the superconducting thin film deposited on a substrate, which structure corresponds to the phase line between maI.Sposob the superconductive thin layer, consisting in applying layers * Ba Cu O _{5 m} _ £ on the substrate, characterized in that, in order to increase the critical temperature: ^ and improve the superconducting terminal half-life and superconducting thin layer in the state diagram 10 ~ ^Ββ θ “CuO,
[2]
2. The method according to claim 1, characterized in that the surface under the spoons is a layer of YgBaCuOj ·.

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同族专利:

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公开号 | 公开日

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EP0301646A1|1989-02-01|

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KR890002907A|1989-04-11|

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NL8701779A|1989-02-16|

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CN1030997A|1989-02-08|

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DE3871871D1|1992-07-16|

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US4948779A|1990-08-14|

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KR970004555B1|1997-03-29|

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JP2760994B2|1998-06-04|

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JPS6451327A|1989-02-27|

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EP0301646B1|1992-06-10|

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DE3871871T2|1993-01-14|

引用文献:

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EP0406126B2|1989-06-30|1997-12-17|Sumitomo Electric Industries, Ltd.|Substrate having a superconductor layer|

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US5232904A|1989-07-19|1993-08-03|Ford Motor Company|Materials having a zero resistance transition temperature above 200 K and method for maintaining the zero resistance property|

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JP2767298B2|1989-09-05|1998-06-18|財団法人生産開発科学研究所|LAMINATED THIN FILM AND PROCESS FOR PRODUCING THE SAME|

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JPH03150218A|1989-11-07|1991-06-26|Sumitomo Electric Ind Ltd|Production of superconductive thin film|

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JPH0834320B2|1990-02-02|1996-03-29|株式会社日立製作所|Superconducting element|

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JPH0472777A|1990-07-13|1992-03-06|Sumitomo Electric Ind Ltd|Substrate for superconducting device|

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SG46182A1|1991-01-07|1998-02-20|Ibm|Superconducting field-effect transistors with inverted misfet structure and method for making the same|

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US5310705A|1993-01-04|1994-05-10|The United States Of America As Represented By The United States Department Of Energy|High-field magnets using high-critical-temperature superconducting thin films|

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US5872081A|1995-04-07|1999-02-16|General Atomics|Compositions for melt processing high temperature superconductor|

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CN1082231C|1997-09-15|2002-04-03|电子科技大学|Y-Ba-Cu-O high-temp. superconductor double-face epitaxial film|

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US6541136B1|1998-09-14|2003-04-01|The Regents Of The University Of California|Superconducting structure|

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KR102144397B1|2020-04-13|2020-08-12|조인석|Paper lid for disposable containers|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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NL8701779A|NL8701779A|1987-07-28|1987-07-28|SUPER CONDUCTIVE THIN LAYER.|

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