CNC milling a copper-clad board is an effective way to create a PCB by cutting away copper to form traces instead of etching it away chemically, and [loska] has improved that process further with his ...

Chemical etching (also called photochemical etching, photo etching, or chemical milling) is a precision manufacturing method used to produce intricate metal components without the mechanical stresses ...

In a vote of confidence for Mount Isa, a new offtake and milling deal has been inked between a Cloncurry miner and Glencore. True North Copper announced Tuesday a binding offtake and toll-milling ...