A modern dental X-ray tube. The heated cathode is on the left. Centre could be the anode which is made from tungsten and embedded in the copper sleeve.William Coolidge clarifies professional medical imaging and X-rays. An X-ray tube is a vacuum tube that converts electrical enter electric power into X-rays.[1] https://edgetech-industries-eti21097.blogsidea.com/34476931/a-simple-key-for-tungsten-tubes-unveiled