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> And the PCBs were tan or natural. They were tan because they were made of phenolic paper (wood fiber) laminate. Modern PCBs are moade of glass fiber epoxy la
by Jerry2 8y ago
> And the PCBs were tan or natural.
They were tan because they were made of phenolic paper (wood fiber) laminate. Modern PCBs are moade of glass fiber epoxy laminate material and they're usually clear/white without any solder mask dyes.