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      Technical Article

      Why where old pcbs brownish/beige and now they are green?

      Time:2019-05-28 14:28:21 Click:

      Old brownish/beige PCBs: It smells like metal and its PCB parameters are too large to some degree as well as low process technology relatively; Apart from that, yellow solder mask is not expensive;


      New Green PCBs: Green solder mask is more likely to have less deviation, smaller area and higher precision; In other words, whose characteristics that is high sensitivity, terrific chemical immersion gold and matched plug hole process.




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