Lowering a column section of behemoth JEOL 4000EX Transmission Electron Microscope, and some more pictures.

in #dtube5 years ago (edited)


I took one of these apart not to long ago, and it was massive. About 12 feet tall and all its supplies and controls had a footprint about 12" x 24". The beast had two cranes, one for getting into the column and another for the 400kV High Tension tank. Took a week for 2 guys to disassemble it. This section in particular is the stage area. I am think about making a more detailed post on the beast, since it was such a thing to behold and I am sure some people would like to see it!


▶️ DTube

3 4000ex.jpg
The user section, that lead glass on the viewing chamber (covered by a round black plastic disc) was about 2 inches thick

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Right side view, you can see the multiple getter pumps and the mess of plumbing and wires

5 4000ex.jpg

Looking from the front towards the back. The white section is the optics column, and behind it sits the 400kV tank on a hanging rail system. You can see where the tank is connected to the gun up top

This thing sat idle for years before I came and tore it apart.

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