nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqqv5atqz9k9c54q8c28kra6sfata0wk7w7x5gkrnde8vmxe5gt00q8mmv7s That implies a, um, _large_ vacuum chamber. And some impressive upstream diffusion pumping. Or are you looking at turbomolecular pumps?