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    • 26. 发明授权
    • Method of manufacturing an hermatically sealed electrical terminal
    • 制造密封电气端子的方法
    • US4103416A
    • 1978-08-01
    • US733013
    • 1976-10-15
    • Yoshimasa Sakamoto
    • Yoshimasa Sakamoto
    • H01R43/20H01B17/30H01B17/26
    • H01B17/305F05C2201/0466F05C2253/12Y10S439/935Y10T29/49121Y10T29/49812
    • An electrical terminal device comprises a metallic body or support cut through which an iron-chronmium alloy, conductive lead wire extends in an insulated and sealed manner. The free ends of the lead wire or wires extend out of the cup. A glass-to-metal seal is provided between the wires and the cup. The free ends of the lead wires are partially plated or coated with a layer of an oxidation resistant metal. A portion intermediate the free ends is provided with a layer of chromium oxide to improve the seal between the lead wire and a fused glass bead held in an aperture in said support cup. The method of manufacturing such devices comprises partially plating a nickel, copper or other metal which is resistant to oxidation in a hydrogen atmosphere at high temperature and humidity, on the surface of the terminal end portions of the lead wires, while the intermediate portion where the conductor is secured to a glass bead is left free of such a plating. The intermediate portion is then oxidized to provide a chromium oxide layer on the intermediate portion of the lead wire by a selective oxidation of the chromium component. A hermetic seal is then provided between the intermediate portion or rather the chromium oxide layer of the intermediate portion and a glass bead as well as between the glass bead and the cup. The oxide layers on the exposed surfaces of the support cup and on the lead wire, if any, are then removed in a reducing atmosphere.
    • 电气终端装置包括金属体或支撑体,铁合金合金,导电引线以绝缘和密封的方式延伸。 引线或电线的自由端延伸出杯子。 电线和杯之间设有玻璃 - 金属密封。 引线的自由端部分镀覆或涂覆有抗氧化金属层。 设置有自由端中间部分的铬氧化物层,以改善引线与保持在所述支承杯孔中的熔融玻璃珠之间的密封。 制造这种装置的方法包括在引线的末端部分的表面部分地镀覆耐高温和高湿的氢气氛中的耐氧化的镍,铜或其它金属,而中间部分 导体被固定在玻璃珠上,没有这种电镀。 然后中间部分被氧化,以通过铬组分的选择性氧化在引线的中间部分上提供氧化铬层。 然后在中间部分之间或中间部分的铬氧化物层和玻璃珠之间以及玻璃珠和杯之间提供气密密封。 然后在还原气氛中除去支撑杯和引线的暴露表面上的氧化物层(如果有的话)。