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在现代电子技术中,波导是用于传输高频电磁波的重要器件,高频传输和电传输有着直接的连系,一般来说频率越高趋肤效应越显著,因此为了增加波导内壁的导电性往往镀上一层银,这是一种细致的、比较复杂的工作。尤其对长度在2米以上的长波导来说更是如此。长波导镀银的传统方式是用银条作辅助阳极将波导悬挂在镀槽中进行镀复如图1,其缺点是:1、镀槽要搞得很深,配一槽镀液要消耗很多的化工材料。此外还会给镀液的维护,调整带来很多困难。
In modern electronic technology, waveguide is an important device for transmitting high-frequency electromagnetic waves. There is a direct connection between high-frequency transmission and electric transmission. In general, the higher the frequency, the more obvious the skin effect is. Therefore, in order to increase the conductivity of the inner wall of the waveguide, Often coated with a layer of silver, this is a meticulous, more complex work. This is especially true for long waveguides longer than 2 meters. The traditional way of long waveguide silver plating is to use silver bars as the auxiliary anode to hang the waveguide in the plating tank for plating as shown in FIG. 1. The disadvantages are: 1. The plating tank needs to be deep and consume a lot of plating bath Chemical materials. In addition will also give bath maintenance, adjustment brings many difficulties.