Voltage-dependent resistor
    2.
    发明授权
    Voltage-dependent resistor 失效
    电压相关电阻

    公开(公告)号:US4383237A

    公开(公告)日:1983-05-10

    申请号:US260720

    申请日:1981-05-05

    IPC分类号: H01C7/102 H01C7/12

    CPC分类号: H01C7/102

    摘要: A voltage-dependent resistor of the layered structure type is provided by employing the nonohmic property of the hetero-junction between a zinc oxide layer and a metal oxide layer consisting essentially of at least one member selected from the group consisting of cobalt oxide, manganese oxide, barium oxide, strontium oxide, lead oxide and rare earth oxides.

    摘要翻译: 通过使用氧化锌层和金属氧化物层之间的异质结的非欧姆性质来提供层状结构型的电压依赖性电阻体,所述金属氧化物层基本由至少一种选自氧化钴,氧化锰 ,氧化钡,氧化锶,氧化铅和稀土氧化物。

    Process for production of fullerenes and method for separation thereof
    5.
    发明申请
    Process for production of fullerenes and method for separation thereof 审中-公开
    制备富勒烯的方法及其分离方法

    公开(公告)号:US20050232846A1

    公开(公告)日:2005-10-20

    申请号:US10507645

    申请日:2003-03-13

    IPC分类号: B01D7/00 B01D9/00 C01B31/02

    摘要: A process for the production of fullerenes by which a high-purity fullerene can be separated at high productivity from a mixture comprising a fullerene, a polycyclic aromatic hydrocarbon component, and a carbonaceous polymeric component and which comprises the step (A) of preparing a mixture comprising a fullerene, a polycyclic aromatic hydrocarbon component, and a carbonaceous polymeric component, the step (B) of separating this mixture into a polycyclic aromatic hydrocarbon component and a mixture of a fullerene and a carbonaceous polymeric component, and the step (C) of separating this mixture into a fullerene and a carbonaceous polymeric component.

    摘要翻译: 一种制备富勒烯的方法,通过该方法可以从包含富勒烯,多环芳烃组分和碳质聚合物组分的混合物以高生产率分离高纯度富勒烯,并且其包含制备混合物的步骤(A) 包括富勒烯,多环芳烃组分和碳质聚合物组分,步骤(B)将该混合物分离成多环芳族烃组分和富勒烯与碳质聚合物组分的混合物,步骤(C) 将该混合物分离成富勒烯和碳质聚合物组分。

    Voltage-dependent resistor and method of making the same
    6.
    发明授权
    Voltage-dependent resistor and method of making the same 失效
    电压相关电阻及其制作方法

    公开(公告)号:US4551268A

    公开(公告)日:1985-11-05

    申请号:US465678

    申请日:1983-02-10

    IPC分类号: H01C7/112 H01C7/12 H01B1/06

    摘要: The present invention provides a voltage-dependent resistor of the bulk-type in which zinc oxide (ZnO) powder and additives are admixed to form a sintered body composition having as the main constituent, zinc oxide, and in which the mixture is formed into a resistor body, the body is sintered, and electrodes are applied to the opposite surfaces of the sintered body, the improvement comprising the step of, prior to sintering and admixture with said zinc oxide, admixing all amount of boron oxide (B.sub.2 O.sub.3) with other additives in the form of a borosilicate glass, which is composed of 5 to 30 weight percent of boron oxide (B.sub.2 O.sub.3) and 70 to 95 weight percent of silicon oxide (SiO.sub.2). A process for the production of said resistor is also provided.

    摘要翻译: 用于避雷器和浪涌吸收器的电压依赖电阻器包括组成物的烧结氧化锌体,其包含0.1至3.0摩尔%的氧化铋...(Bi 2 O 3),0.1至3摩尔%的氧化钴... (Co 2 O 3),0.1〜3摩尔%的氧化锰...(MnO 2),0.1〜3.0摩尔%的氧化锑(Sb 2 O 3),0.05〜1.5摩尔%的氧化铬...(Cr 2 O 3),选自 由0.1至10摩尔%的氧化硅(SiO 2)和0.1至3摩尔%的氧化镍(NiO)组成的组中的至少一种,选自0.0005至0.025摩尔%的氧化铝(Al 2 O 3)和0.005 至0.025摩尔%的氧化镓(Ga 2 O 3)和0.005〜0.3摩尔%的氧化硼(B 2 O 3),如果需要,0.00005〜0.3摩尔%的氧化银(Ag 2 O),电极施加于烧结体的相对面 。 由于本体本身,电阻器具有非欧姆性(电压依赖性)。 因此,可以通过改变相对表面处的电极之间的距离来改变其C值而不损害其n值。