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    • 4. 发明授权
    • Cathode for an electron source and a method of producing the same
    • 电子源用阴极及其制造方法
    • US4193013A
    • 1980-03-11
    • US897406
    • 1978-04-18
    • Masaaki FutamotoUshio KawabeShigeyuki HosokiTsutomu KomodaShigehiko Yamamoto
    • Masaaki FutamotoUshio KawabeShigeyuki HosokiTsutomu KomodaShigehiko Yamamoto
    • B44F1/12H01J1/15H01J1/304H01J9/02H01J9/04H01J9/18
    • H01J1/15H01J1/304
    • A cathode for an electron source according to this invention comprises an emitter tip made of an electron emissive material, a filament for holding the emitter tip, and a binder for binding the emitter tip and the filament, the filament and the binder being made of glassy carbon. The binder can have a carbide or boride powder incorporated therein. The cathode according to this invention can be produced by using a thermosetting resin of predetermined shape as the starting material of the filament, fixing the emitter tip to a predetermined position of the thermosetting resin with the adhesive agent made of the raw thermosetting resin, and heating the resultant assembly in a non-oxidizing atmosphere to carbonize the resinous portions. This cathode is structurally very simple. Moreover, the adhesion between the filament and the emitter tip is excellent, and the emitter tip can be heated to high temperatures above 2,000.degree. C. by causing current to flow through the cathode.
    • 根据本发明的用于电子源的阴极包括由电子发射材料制成的发射极尖端,用于保持发射极尖端的灯丝和用于结合发射极尖端和灯丝的粘合剂,灯丝和粘合剂由玻璃状 碳。 粘合剂可以具有并入其中的碳化物或硼化物粉末。 根据本发明的阴极可以通过使用预定形状的热固性树脂作为丝的起始材料,使用由原始热固性树脂制成的粘合剂将发射极尖端固定到热固性树脂的预定位置,并加热 所得组合物在非氧化气氛中以使树脂部分碳化。 该阴极在结构上非常简单。 此外,灯丝和发射极尖端之间的粘附性优异,并且通过使电流流过阴极,可以将发射极尖端加热到高于2000℃的高温。
    • 9. 发明授权
    • Superconducting device
    • 超导装置
    • US5126801A
    • 1992-06-30
    • US412201
    • 1989-09-25
    • Toshikazu NishinoMutsuko MiyakeUshio KawabeYutaka HaradaMasaaki AokiMikio Hirano
    • Toshikazu NishinoMutsuko MiyakeUshio KawabeYutaka HaradaMasaaki AokiMikio Hirano
    • H01L21/82H01L39/22
    • H01L39/228H01L21/82
    • A pair of superconducting electrodes are so formed as to interpose a semiconductor therebetween, and a control electrode is formed on the semiconductor through an insulator film so as to control the superconductive weak coupling state in the semiconductor between the superconducting electrodes. The distance between the superconducting electrodes is determined by the thickness of the superconductor interposed between the two electrodes, whereby the interelectrode distance is settled with a high precision to improve the uniformity of the device characteristic. In an arrangement where two superconducting electrodes are formed on a semiconductor layer and the superconductive weak coupling state between such two electrodes is controlled by a third electrode, the gain is incredible by furnishing a varied impurity distribution in the semiconductor layer.
    • 一对超导电极形成为在其间插入半导体,并且通过绝缘膜在半导体上形成控制电极,以便控制超导电极之间的半导体中的超导弱耦合状态。 超导电极之间的距离由插入在两个电极之间的超导体的厚度决定,从而以高精度稳定电极间距离,以提高器件特性的均匀性。 在半导体层上形成两个超导电极并且在这两个电极之间的超导弱耦合状态由第三电极控制的布置中,通过在半导体层中提供不同的杂质分布,增益是令人难以置信的。