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A comment on Intel breaks ground on $20B Arizona plants as U.S. chip factory race heats up. Parent comment

Re:Intel breaks ground on $20B Arizona plants as U.S. chip f... by ksec on Tuesday September 28, 2021 @01:00PM (#28684963)
As mentioned, they are used to clean / wash off chemicals from wafers. And not just any water, but Ultrapure Water [1], it is an actual terminology, not marketing speak.

[1] https://en.wikipedia.org/wiki/Ultrapure_water

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