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Slightly off topic but, how do they create the lithography masks with such tiny and precise features?
by Vintila 9y ago
Slightly off topic but, how do they create the lithography masks with such tiny and precise features?
- detaro 9y agoCut with lasers or electron beams as far as I know, and the masks are bigger by some multiple. Also have really weird patterns, since they have to correct for how the light-waves interact due to the small size.