ATM, you're correct. However, there is no reason to assume most or all of these deficiencies can't be overcome.

Personally, although scalability is an issue, I prefer non-litho approaches (e.g., electron beam lithography).

On Sun, Aug 11, 2019, 12:40 PM Punk <punks@tfwno.gf> wrote:

On Sun, 11 Aug 2019 04:26:49 -0400
grarpamp <grarpamp@gmail.com> wrote:

> http://sam.zeloof.xyz/category/semiconductor/

Impressive. Now, that can be done as long as you have access to very sophisticated equipment, raw waffers, et cetera. So although he works in a garage, his tools are not garage-level tools..but tools that can be acquired only if govcorp is willing to sell them to you.