There are few details from Google about what the actual hardware and process is. Here is a range of possibilities:
https://medium.com/swlh/how-google-probably-made-the-quantum-supremacy-chip-296d5d321bbd "Here’s a guess at the identity (and order) of our 14 lithography layers, followed by a general description of each layer’s purpose ..." etc. recommended reading: https://arxiv.org/abs/1904.06560 @philipthrift -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/a3d03721-4525-4282-9952-d159630145e7%40googlegroups.com.

