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248 条记录 (耗时 0.019 秒)

    Method of manufacturing a permanent magnet
    52.
    发明公开
    Method of manufacturing a permanent magnet 失效
    维尔法赫恩zum Herstellen eines Dauermagneten。

    公开(公告)号：EP0365079A1

    公开(公告)日：1990-04-25

    申请号：EP89202564.4

    申请日：1989-10-11

    申请人： Philips Electronics N.V.

    发明人： Flipse, Abraham Reinder ,  Kay, Peter James ,  Rozendaal, Ewoud

    IPC分类号： H01F1/053

    CPC分类号： H01F1/0577

    摘要： The invention describes a method of manufacturing a magnet on the basis of RE₂Fe₁₄B. To this end, a shaped body of the said composition is sintered by means of induction heating to a density exceeding 95% of the theoretical maximum density. The method according to the invention enables the manufacture of magnets having excellent properties in a very short time, these properties being: a high energy product, a large remanence, a high density, a large intrinsic coercive force and a small particle size.

    摘要翻译： 本发明描述了一种基于RE2Fe14B制造磁体的方法。 为此，通过感应加热将所述组合物的成形体烧结至超过理论最大密度的95％的密度。 根据本发明的方法能够在非常短的时间内制造具有优异性能的磁体，这些性能是：高能量产品，大剩磁，高密度，大的固有矫顽力和小的粒度。

    Optical recording element and method of recording information
    56.
    发明授权
    Optical recording element and method of recording information 失效
    光学记录元件和记录信息的方法

    公开(公告)号：EP0186227B1

    公开(公告)日：1989-06-21

    申请号：EP85201918.1

    申请日：1985-11-21

    申请人： Philips Electronics N.V.

    发明人： Rippens, Wilhelmus Gertrudes V. M. ,  van der Poel, Carolus Johannes

    IPC分类号： G11B7/24

    CPC分类号： G11B7/0062 ,  G11B7/243 ,  G11B7/257 ,  G11B2007/24314 ,  G11B2007/24316

    摘要： An erasable optical recording element is provided having a supporting plate which comprises a recording layer which has a Te-Se-Sb alloy. The ratio of the elements Te, Se and Sb in at.percent lies within a range in the Te-Se-Sb composition diagram which is bounded by a polygon having the corners Te90Se8Sb2 - Te78Se20Sb2 - Te18Se52Sb30 - Te28Se2Sb70 - Te90Se2Sb80. The layer thickness of the recording layer is between 80 and 300 nm. During recording the recording layer is converted by exposure to modulated laser light in the exposed places from a more ordered or crystalline state into a less ordered or amorphous state. The locally changed state can be read by means of laser light. A method of recording information is also described.

    Method of manufacturing a superconducting wire
    58.
    发明公开
    Method of manufacturing a superconducting wire 失效
    赫尔斯特朗·赫斯特伦

    公开(公告)号：EP0310182A1

    公开(公告)日：1989-04-05

    申请号：EP88202081.1

    申请日：1988-09-26

    申请人： Philips Electronics N.V.

    发明人： De With, Gijsbertus ,  Severin, Jan Willem

    IPC分类号： H01L39/24

    CPC分类号： H01L39/143 ,  H01L39/248 ,  Y10S505/74 ,  Y10T29/49014

    摘要： A method of manufacturing a wire of superconducting oxidic material, in which a preform is used, which comprises dispersions of a superconducting material and of a non-­superconducting material in a binder or which comprises dispersions of non-superconducting materials in a binder, in which latter case the materials can react whilst forming a superconducting compound, in which the preform is extruded to a wire, the binder is baked out and the wire is sintered.

    摘要翻译： 一种制造超导氧化物材料的方法，其中使用预成型体，其包括超导材料和非超导材料在粘合剂中的分散体，或包括非超导材料在粘合剂中的分散体，其中 在后一种情况下，材料可以在形成超导化合物的同时反应，其中预成型件被挤出到丝线上，将粘合剂烘烤并且线材被烧结。

    Display cell
    60.
    发明公开
    Display cell 失效
    Bildwiedergabezelle。

    公开(公告)号：EP0301660A1

    公开(公告)日：1989-02-01

    申请号：EP88201578.7

    申请日：1988-07-20

    申请人： Philips Electronics N.V.

    发明人： Ponjee, Johannes Jacobus ,  Voermans, Antonius Bernard

    IPC分类号： G02F1/1337

    CPC分类号： B82Y30/00 ,  B82Y10/00 ,  G02F1/133719

    摘要： A display cell having two parallel transparent substrate plates which are interconnected at their periphery and which are each provided with an electrode and an orientation layer, and comprising a liquid crystalline compound in the cell space between the plates, the orientation layer being a monolayer of an alkyl mercaptan.

    摘要翻译： 一种显示单元，具有两个平行的透明基板，它们在其周边互连并且各自设置有电极和取向层，并且在所述板之间的单元间隙中包含液晶化合物，所述取向层为单层 烷基硫醇。