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Shimadzu Corporation (株式会社 島津製作所, Kabushiki-gaisha Shimadzu Seisakusho) is a Japanese public KK company, manufacturing precision instruments, measuring instruments and medical equipment, based in Kyoto, Japan. It was established in 1875. [6] The American arm of the company, Shimadzu Scientific Instruments, was founded in 1975.
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.
Shoe-fitting fluoroscope. X-ray fluoroscope machines installed in shoe stores 1920s-1970s. A shoe fluoroscope displayed at the US National Museum of Health and Medicine. This machine was manufactured by Adrian Shoe Fitter, Inc. circa 1938 and used in a Washington, D.C., shoe store. Shoe-fitting fluoroscopes, also sold under the names X-ray Shoe ...
Superficial radiation therapy machines produce low energy x-rays in the same energy range as diagnostic x-ray machines, 20–150 keV, to treat skin conditions. [2] Orthovoltage X-ray machines produce higher energy x-rays in the range 200–500 keV. Radiation from orthovoltage x-ray machines has been called "deep" due to its greater penetrating ...
Orthovoltage X-rays are produced by X-ray tubes operating at voltages in the 100–500 kV range, and therefore the X-rays have a peak energy in the 100–500 keV range. [1] Orthovoltage X-rays are sometimes termed "deep" X-rays (DXR). [2] They cover the upper limit of energies used for diagnostic radiography, and are used in external beam ...
Megavoltage X-rays are produced by linear accelerators ("linacs") operating at voltages in excess of 1000 kV (1 MV) range, and therefore have an energy in the MeV range. The voltage in this case refers to the voltage used to accelerate electrons in the linear accelerator and indicates the maximum possible energy of the photons which are subsequently produced. [1]
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