Josephson junction device formed of oxide superconductor
    12.
    发明公开
    Josephson junction device formed of oxide superconductor 失效
    Josephson-Uebergangseinrichtung aus oxidischem Supraleiter。

    公开(公告)号:EP0573340A1

    公开(公告)日:1993-12-08

    申请号:EP93401378.0

    申请日:1993-05-28

    IPC分类号: H01L39/24

    摘要: A Josephson junction device comprising a single crystalline substrate including a principal surface having two horizontal planes and a smooth slope between the two horizontal planes, and an oxide superconductor thin film formed on the principal surface of the substrate. The oxide superconductor thin film includes a first and a second superconducting portions of a single crystalline oxide superconductor respectively positioned on the two horizontal planes of the substrate, a junction portion of a single crystalline oxide superconductor having a different crystal orientation from the two superconducting portions positioned on the slope of the substrate and two grain boundaries between each of the two superconducting portions and the junction portion. The grain boundaries constitutes one weak link of the Josephson junction.

    摘要翻译: 约瑟夫逊连接装置,其包括单晶衬底,其包括具有两个水平面的主表面和两个水平面之间的平滑斜面,以及形成在衬底的主表面上的氧化物超导体薄膜。 氧化物超导体薄膜包括分别位于基板的两个水平平面上的单晶氧化物超导体的第一和第二超导部分,具有与两个超导部分不同的晶体取向的单晶氧化物超导体的接合部分位于 在衬底的斜面上和两个超导部分和接合部分中的每一个之间的两个晶界。 晶界构成了约瑟夫逊结的一个弱环节。

    Silicon nitride ceramic sliding member and process for producing the same
    16.
    发明公开
    Silicon nitride ceramic sliding member and process for producing the same 失效
    Gleitlagerbauteil aus Siliciumnitrid und Verfahren zur Herstellung desselben

    公开(公告)号:EP0727399A2

    公开(公告)日:1996-08-21

    申请号:EP96102535.0

    申请日:1996-02-20

    IPC分类号: C04B35/593 F16C33/04

    摘要: A silicon nitride ceramic sliding member which comprises Si 3 N 4 grains as a main component and is shaped or controlled in dimensions through hot plastic working wherein the Si 3 N 4 particles mainly comprises β-type columnar crystal grains. The ceramic sliding member is produced by the step (I) of preparing a preform made of silicon nitride ceramic sintered body comprising Si 3 N 4 grains as a main component wherein the average grain size (average grain size in minor axis in the case of β-type columnar crystal grains) of the Si 3 N 4 grains is at most 0.5 µm, and the hot plastic working step (II) of placing the preform in a mold and effecting hot plastic deformation of the preform for shaping or dimensional control thereof while simultaneously increasing the average aspect ratio of the β-type columnar crystal grains. The resultant sliding member has excellent sliding properties, a high mechanical strength and a high reliability at a low cost without resort to grinding or the like for shaping thereof.

    摘要翻译: 一种氮化硅陶瓷滑动构件,其包含Si 3 N 4晶粒作为主要成分,并通过热塑性加工成型或尺寸控制,其中Si 3 N 4颗粒主要包含β型柱状晶粒。 陶瓷滑动构件是通过制备由包含Si 3 N 4晶粒作为主要成分的氮化硅陶瓷烧结体制成的预制件的步骤(I)制备的,其中平均晶粒度(在β型柱状的情况下为短轴的平均晶粒尺寸 Si3N4晶粒的晶粒度为0.5μm以下,热塑性加工工序(II)将预成型体放置在模具中,对预制件进行热塑性变形,进行成型或尺寸控制,同时提高平均面积 β型柱状晶粒的比例。 所得到的滑动构件具有优异的滑动性能,高机械强度和高可靠性,而不需要用于成型的研磨等。

    Planar magnetism sensor utilizing a squid of oxide superconductor
    17.
    发明公开
    Planar magnetism sensor utilizing a squid of oxide superconductor 失效
    Ein Quanteninterferometer mit Oxyd-Supraleiter verwendendem planaren Magnetismus-Sensor。

    公开(公告)号:EP0567386A2

    公开(公告)日:1993-10-27

    申请号:EP93401012.5

    申请日:1993-04-20

    IPC分类号: G01R33/035 H01L39/24

    CPC分类号: G01R33/0358 Y10S505/846

    摘要: 57 A magnetism sensor comprises a substrate, a SQUID including a washer of an oxide superconductor thin film formed on a principal surface of the substrate, a hole shaped a similar figure to the washer at the center of the washer, a slit formed between one side of the washer and the hole and a Josephson junction by which portions of the washer at the both sides of the slit are connected across the slit. The magnetism sensor further comprises a superconducting flux transformer of an oxide superconductor thin film including an input coil arranged on the SQUID but isolated from the SQUID and a pickup coil arranged on the principal surface of the substrate far from the SQUID, which are connected in parallel and a magnetism shield which excludes flux penetrating into the Josephson junction of the SQUID.

    摘要翻译: 磁传感器包括基板,SQUID,其包括形成在基板的主表面上的氧化物超导体薄膜的垫圈,与垫圈中心的垫圈类似的孔,在 垫圈和孔以及约瑟夫逊接合部,通过该连接部分,缝隙两侧的垫圈的部分穿过狭缝连接。 磁传感器还包括氧化物超导体薄膜的超导通量变换器,其包括设置在SQUID上但与SQUID隔离的输入线圈,以及布置在远离SQUID的基板的主表面上的拾取线圈,该拾取线圈并联连接 以及不包括渗透到SQUID的约瑟夫逊结中的磁通的磁屏蔽。