Do you need protection after PCB?
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A: there are a lot of answers: you don't need protection when you get a nickel.
B thinks that the corrosion problem of chemical nickel is the problem of chemical nickel, which is not related to the gold layer;
C I can't see the corrosion when the goods are delivered, so I don't have to deal with the follow-up process.
There's oxidation and chemical nickel in the background but that's ok.
Here, try to prove that this is a big mistake (see below)
B thinks that the corrosion problem of chemical nickel is the problem of chemical nickel, which is not related to the gold layer;
C I can't see the corrosion when the goods are delivered, so I don't have to deal with the follow-up process.
There's oxidation and chemical nickel in the background but that's ok.
Here, try to prove that this is a big mistake (see below)
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