this post was submitted on 13 Jun 2024
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Isn't Angstrom 10^-10 meters? And nanometers 10^-9 meters? So 20A (assuming A = Angstrom) is just 2nm?
Are they trying to say that by moving to this new era, they'll go single digit Angstrom i.e., 0.x nm?
Yes, but that is long past an actuall transistor size and just a marketing term.
So what is the actual transistor size then? And why use an SI unit then anyway? Why not use femto-bananas then when it does not reflect the real size?
Angstrom was invented in physics because they needed a length unit that was smaller than SI prefixes would allow. The industry only picked it up once they got to a certain level.
(Contrary to what a lot of people think, physicists do not strictly follow SI. They bypass it for reasons of convenience all the time.)
It's kind of like needing the proper units for the scale you need to work at.