So it's just inside the chamber, it's not supposed to replace a vaccum chamber wall, right? In that case there should be no problem. Just one question: what did you do that makes you ask this?
I do appreciate your reply. I am looking for a new chamber with different size to evaluate the pressure in it. In addition, I have found several options without specific ones
I can see from your work that fullerene can be employed in different applications. Are you interested in specical applications in the mass spectrometr?
Well, I've recently changed the field to more applied research as you can see by my new affiliations name. There will be one or two more papers from my fullerene works, but that chapter of my life will probably be done after that (which will be in 2-3 months or so, if the reviewers don't do weird stuff).