Recent content by thegeekguy

I believe it is turbo-molecular. It is used for an electron microscope in a physics lab, so I believe it is sufficient.

I have access to a vacuum pump, so I was planning on removing the electron gun and high voltage supply completely, and mount them inside of a thick walled pipe that could take the stress of a vacuum without failing, to avoid many of the glass and air tightness woes. As for the magnet and...

I'm wondering if it would be plausible to use a cathode ray tube (crt) style monitor to build my own mass spectrometer. Unfortunately, commercial models are prohibitively expensive, but if I had plans or at least a good idea of how to build one, I have the nagging feeling I could. My idea is as...