Over on the US side of things, the only confirmed contributor is IBM. For those not in the know, IBM does still sell its own processors using the POWER architecture. They're mostly used in supercomputers and other high-performance applications, and they aren't well-suited for desktop or client use. IBM has historically not used the latest process technology for its own chips, likely owing to the high costs, but the company has already been working on 2nm for some time now A wafer of 2nm chips fabricated by IBM. All of this comes on the heels of a new law called…