Also, that Nyan is etched into 200 nanometer thick copper foil and is the work of the HomeCMOS team, who is developing a hobbyist-friendly process to make integrated circuits and MEMS devices at home.
We’re interested in any device that can make a PCB out of a copper ... ways to go about the process of turning a copper clad board into a real circuit board. The first is a CNC machine.
The OKI Group printed circuit board (PCB ... has successfully developed multi-layer PCB technology with stepped copper coin insertion (“stepped copper coin” hereinafter) to achieve 55 times ...