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cathode ray tube |
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cathode ray tube (CRT), a vacuum tube that focuses a beam of electrons onto a spot on a screen coated with a phosphor, creating a visible image of information on the face of the tube. The CRT is one type of computer monitor. cathode (kath´ōd), n a negative electrode from which electrons are emitted and to which positive ions are attracted. In radiographic tubes, the cathode usually consists of a helical tungsten filament, behind which a molybdenum reflector cup is located to focus the electron emission toward the target of the anode. cathode ray tube (CRT), n a vacuum tube in which a beam of electrons is focused to a small point on a luminescent screen and can be varied in position to form a pattern. cathode ray tube See Video display unit. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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cathexis cathode cathode ray cathode ray oscilloscope cathode ray tube cathode-anode circuit, high-voltage cathodic Cathodic ray tube cathomycin cation cation exchange cation-exchange chromatography cation-exchange resin cationic catling |
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