An X-ray tube is a vacuum tube that produces X-rays. They are part of X-ray machines. X-rays are part of the electromagnetic spectrum, an ionizing radiation with wavelength just shorter than ultraviolet light. X-ray tubes evolved from experimental Crookes tubes with which X-rays were first discovered in the late 1800s, and the availability of this controllable source of X-rays created the field of radiography, the imaging of opaque objects with penetrating radiation. X-ray tubes are also used in CAT scanners, airport luggage scanners, X-ray crystallography, and for industrial inspection.
Sunday, May 11, 2008
X-ray tube
An X-ray tube is a vacuum tube that produces X-rays. They are part of X-ray machines. X-rays are part of the electromagnetic spectrum, an ionizing radiation with wavelength just shorter than ultraviolet light. X-ray tubes evolved from experimental Crookes tubes with which X-rays were first discovered in the late 1800s, and the availability of this controllable source of X-rays created the field of radiography, the imaging of opaque objects with penetrating radiation. X-ray tubes are also used in CAT scanners, airport luggage scanners, X-ray crystallography, and for industrial inspection.
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