Who runs ultra-high vacuum, and why it is hard.
235 actors, updated 2026-07
Which ceramist closes which joint into which vacuum domain.
Where the vacuum actors sit, by sector, worldwide.
Local labs and fabs that pull on the vacuum supply chain.
The vacuum systems of the world's accelerators and light sources.
The ceramic-to-metal brazing ecosystem, who joins what.
Field notes →The Scale →The Stack →
