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An X-ray generator generally contains an X-ray tube to produce the X-rays. Possibly, radioisotopes can also be used to generate X-rays. [1]An X-ray tube is a simple vacuum tube that contains a cathode, which directs a stream of electrons into a vacuum, and an anode, which collects the electrons and is made of tungsten to evacuate the heat generated by the collision.
A modern dental X-ray tube. The heated cathode is on the left. Centre is the anode which is made from tungsten and embedded in the copper sleeve. William Coolidge explains medical imaging and X-rays. An X-ray tube is a vacuum tube that converts electrical input power into X-rays. [1]
Eddie remembers that this agonized his mother, who orders him to get away from the device because she believes that these machines cause cancer. In the novel The House Without a Christmas Tree, the young protagonist Addie Mills describes these devices. In 1999, Time placed Shoe-Store X Rays on a list of the 100 worst ideas of the 20th century ...
New X-ray machines will greet some Chicago Public Schools students after they return to classes in the fall. At Wednesday’s Board of Education meeting, members unanimously approved a $1 million ...
Machlett Laboratories was a Northeastern United States-based company that manufactured X-ray and high-power vacuum tubes. Machlett was a large producer of the tubes and developed accessories to be used with them as well.
Electron beams impinging on metal produce X-rays. The X-rays may be diagnostic, e.g., dental or limb images. Often in these X-ray tubes the metal is a spinning disk so that it doesn't melt; the disk is spun in vacuum via a magnetic motor. The X-rays may also be used to kill cancerous tissue. The Therac-25 machine is an infamous example of this.
Natural color X-ray photogram of a wine scene. Note the edges of hollow cylinders as compared to the solid candle. William Coolidge explains medical imaging and X-rays.. An X-ray (also known in many languages as Röntgen radiation) is a form of high-energy electromagnetic radiation with a wavelength shorter than those of ultraviolet rays and longer than those of gamma rays.
In 1907, Snook introduced the Snook apparatus, the first interrupterless device produced for X-ray work. The Snook apparatus was manufactured in England. [ 4 ] Snook next became president of the Roentgen Manufacturing Company in Philadelphia and was responsible for technical development and oversight of manufacturing until 1913. [ 12 ]
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