[sdiy] ALFA clone chips?

[Mike Bryant]

> I thought what these companies did (CoolAudio aka Uli Behringer, ALFA, SSI) was take photos of the old chips and re-issue them based off that?

Sort of.  There's a company in Singapore who will strip off each layer of an IC and generate new masks but also an accurate schematic of the IC so you can make an exact clone or an improved version should you so wish.  But they can only give you an estimate of deposition times and so you need to run a full trial and errors runs to get that right.