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    • 11. 发明授权
    • Metallized film capacitor
    • 金属化电容器
    • US4434452A
    • 1984-02-28
    • US225440
    • 1981-01-15
    • Takeshi HamabeHidekazu WadaMikio NaruseToshiyuki Nishimori
    • Takeshi HamabeHidekazu WadaMikio NaruseToshiyuki Nishimori
    • H01G4/005H01G4/015H01G4/18H01G7/00H01G1/015H01G1/14
    • H01G4/015Y10T29/435
    • A disclosed metallized film capacitor comprisesa number of first insulating foil film segments coated with metal electrode layers on at least each one surface thereof, the metal electrode layers with a same pattern on same sides of the first insulating foil film segments constituting a first electrode segment group, and the metal electrode layers with another same pattern on same sides of the first insulating foil film segments constituting a second electrode segment group, anda first and a second metal contact layers respectively disposed in contact with the first and the second electrode segment groups at side edges thereof, andthe capacitor is provided with fusing proof function for the purpose of prevention of emitting smoke from and/or burning of the capacitor, which is improved by features that the metal electrode layers comprises previously-processed portions at side edges thereof adjacent the first and the second metal contact layers, and that the previously-processed portions are electrically cut off, when dielectric breakdown occurs between respective pairs of confronting metal electrode layers, which dielectric breakdown makes at least one metal electrode layer of one pair among the respective pairs of the confronting metal electrode layers electrically separate from the first and the second electrode segment groups.
    • 所公开的金属化薄膜电容器包括在其至少每个表面上涂覆有金属电极层的多个第一绝缘箔膜段,在第一绝缘箔膜段的相同侧上具有相同图案的金属电极层构成第一电极段 并且构成第二电极段组的第一绝缘箔膜段的相同侧上具有另一相同图案的金属电极层以及分别设置成与第一和第二电极段组接触的第一和第二金属接触层 在其侧边缘处,并且电容器具有防熔功能,其目的是防止从电容器发出烟雾和/或燃烧,其特征在于金属电极层包括其侧边缘处的预先加工的部分 邻近第一和第二金属接触层,以及先前处理的端口 当介电击穿发生在各对面对的金属电极层之间时,ns被电断开,该介电击穿使相应的成对的一对相对的金属电极层中的至少一个金属电极层与第一和第二 电极段组。