Not to mention the people who design many of the machines that TSMC use in their plants: ASML.
"The mirrors guiding this light, made of sandwiched layers of silicon and molybdenum, are ground so precisely that, if scaled to the size of Germany, they would have no bumps bigger than a millimetre"
<https://www.economist.com/business/2020/02/29/how-asml-becam...>
"The mirrors guiding this light, made of sandwiched layers of silicon and molybdenum, are ground so precisely that, if scaled to the size of Germany, they would have no bumps bigger than a millimetre" <https://www.economist.com/business/2020/02/29/how-asml-becam...>