表面活化处理：活化时镀件必须接电源正极，化工泵镀笔接负极，电压8 - 15v，时间60 - 90s。

Surface activation: activation plating must take positive power supply, plating document connected with negative voltage 8-15v, time, 60-90s.

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LED的心脏是一个半导体的晶片，晶片的一端附在一个支架上，一端是负极，另一端连接电源的正极，使整个晶片被环氧树脂封装起来。

LED is the heart of a semiconductor chip, the chip is attached to one end of a stent, is the negative side, the other end of the power of the cathode, the entire chip package to be epoxy resin.

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中和阴极灯丝电源的正极接地，使得整个中和阴极灯丝处于负电位；

Anode of power supply for neutralization cathode filament is connected to ground, so that filament is at negative potential.

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