next BIG future

next BIG future

Substrate, Inversion Semi, Xlight and Others Progress to X-ray Lithography for Next Gen Chips

By Brian Wang

NextBigFuture's avatar
NextBigFuture
Jan 15, 2026
∙ Paid

Startup Substrate is building next-generation semiconductor fabs using advanced X-ray lithography. This goes beyond extreme ultraviolet 13.5 nanometer wavelengths down to 0.01 nanometers.

At the core of Substrate’s technology is a custom particle accelerator which propels electrons (produced by an unknown emitter) to near the speed of light using radio-f…

User's avatar

Continue reading this post for free, courtesy of NextBigFuture.

Or purchase a paid subscription.
© 2026 Nextbigfuture · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture