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Plated Thru Holes? Answered

My understanding
from the lesson is, substrate(base) is fibergalss with copper clad on 1
side and blank on other side. How do plated thru holes come into being?

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randofoBest Answer (author)2017-06-19

It is my understanding that manufacturers use an electroplating process similar to this one:

https://www.instructables.com/id/Inexpensive-metho...

Metal rivets can also be used.

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