Edit: here you go: https://youtu.be/ASQCa7mfjVo
He does it with PCBs in one and ram connectors in another, but mentions the process is essentially the same for everything else including CPUs. I'm not sure what the economics of the acids he uses versus nitric are, though.
There's nothing more disheartening to a classic computing enthusiast than to see a historically-interesting minicomputer destroyed by goldbugs.
Edit: here you go: https://youtu.be/ASQCa7mfjVo
He does it with PCBs in one and ram connectors in another, but mentions the process is essentially the same for everything else including CPUs. I'm not sure what the economics of the acids he uses versus nitric are, though.