Oxide resistor
    5.
    发明授权
    Oxide resistor 失效
    氧化物电阻

    公开(公告)号:US4736183A

    公开(公告)日:1988-04-05

    申请号:US748166

    申请日:1985-06-24

    摘要: A composite sintered oxide resistor comprising crystal grains of zinc oxide and crystal grains of a zinc oxide compound of other metal or semi-metal element than zinc, and a grain boundary layer having an electric resistance equal to or lower than that of the crystal grains and which of zinc oxide between the individual crystal grains has a very large withstanding capacity against switch surge, a small non-linear coefficient of voltage in the voltage-current characteristics, a positive, smaller resistance-temperature coefficient, and a small percent change in resistivity after heat treatment at 500.degree. C. in the atmosphere.

    摘要翻译: 1.一种复合烧结氧化物电阻体,其包含氧化锌的晶粒和除了锌以外的其他金属或半金属元素的氧化锌化合物的晶粒,以及具有等于或低于所述晶粒的电阻的晶界层,以及 单个晶粒之间的氧化锌中的哪一个对开关浪涌具有非常大的耐受容量,电压 - 电流特性中的非线性电压系数小,电阻温度系数更小,电阻率的小百分比变化 经过500℃的大气热处理后,

    Multi-layer ceramic wiring circuit board and process for producing the
same
    8.
    发明授权
    Multi-layer ceramic wiring circuit board and process for producing the same 失效
    多层陶瓷布线电路板及其制造方法

    公开(公告)号:US4620264A

    公开(公告)日:1986-10-28

    申请号:US685133

    申请日:1984-12-21

    摘要: A multi-layer ceramic wiring board consisting of alternately laminated ceramic insulating substrates and wiring conductor layers in which the inner-layer ceramic insulating substrates contacting the inside layers of signal wiring conductor are made of a ceramic insulator having a relative dielectric constant of 6.0 or below and a relatively low density and the ceramic insulating substrates of other layers are made of a ceramic insulator having a tensile strength of 4 kgf/mm.sup.2 or above and a relatively high density. In preparation of the board, each of the inner-layer ceramic insulating substrates is preferably formed from a green sheet obtained by drying a thin layer of a slurry containing 70 to 90 parts of ceramic filler particles having a particle size of 5 .mu.m or greater and 30 to 10 parts of glass powder while each of other ceramic insulating substrates is preferably formed from a green sheet obtained by drying a thin layer of a slurry containing 70 to 90 parts of ceramic filler particles having a particle size of less than 5 .mu.m and 30 to 10 parts of glass powder.

    摘要翻译: 由交替层叠的陶瓷绝缘基板和布线导体层构成的多层陶瓷布线板,其中与信号布线导体的内层接触的内层陶瓷绝缘基板由相对介电常数为6.0以下的陶瓷绝缘体制成 并且其它层的陶瓷绝缘基板由拉伸强度为4kgf / mm 2以上且密度较高的陶瓷绝缘体制成。 在制备板时,每个内层陶瓷绝缘基板优选由通过干燥含有70至90份粒度为5μm或更大的陶瓷填料颗粒的浆料薄层而获得的生片形成 和30〜10份的玻璃粉末,而其它陶瓷绝缘基板中的每一个优选由通过干燥含有70-90份粒径小于5μm的陶瓷填料颗粒的浆料薄层而获得的生片形成 和30〜10份玻璃粉末。