Source: /cirosantilli/semiconductor-device-fabrication

= Semiconductor device fabrication
{wiki}

= Semiconductor physical implementation
{synonym}

https://en.wikipedia.org/wiki/Semiconductor_device

This is the lowest level of abstraction computer, at which the basic gates and power are described.

At this level, you are basically thinking about the 3D layered structure of a chip, and how to make machines that will allow you to create better, usually smaller, gates.