[Editor's note: A reader has brought to our attention that this article has missing figures. Both the ZL30406 and ZL30407 are obsolete (no longer made or stocked as of checking on 12/14/2024) ...
If there’s no circuitry on a printed circuit board, does it cease being a “PCB” and perhaps instead become just a “PB”? Call them what you will, the fact that PCBs have become so cheap and easy to ...