Electronics > Projects, Designs, and Technical Stuff
Homemade X-Ray Machine: Liftoff
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technix:
Somehow I feel you should be buying lead-loaded protection gear or put the whole thing in a cellar.
AutogolazzoJr:
The machine is not in working order right now. I need to get more tubes from my russian seller. When I run the x-ray machine, I am nowhere near it. It's all done remote.
james_s:
Why do you need more tubes? Did you blow up the one you had? It should only take one tube.
Wolfram:
As far as I understand, he's (ab)using high voltage rectifier tubes to generate x-rays in cold cathode mode by overvoltage. They usually don't last very long and they don't have a well defined focal spot, making it difficult to take sharp x-rays with them. These tubes are pretty cheap to start with, but they don't last very long, so it usually makes more economic sense to get a dental x-ray tube to start with if you plan on taking more than a couple of x-rays. The only case where it makes sense to do this if you want to make a point out of generating x-rays without a purpose-designed x-ray tube.
AutogolazzoJr:
I don't really have access to dental x-ray heads. My mission is part proof of concept, but I'd like to get some good images out of it while still staying safe. I have some better pictures:

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