An anode ray (also positive ray or canal ray) is a beam of positive ions that is created by certain types of gas-discharge tubes. They were first observed...
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the tube to release electrons, which are accelerated toward the anode and produce X-rays when they strike it. The Crookes tube was improved by William Coolidge...
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plates, and an anode accelerates them towards the phosphor-coated screen, which generates light when hit by the electrons. Cathode rays were discovered...
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An anode is an electrode of a polarized electrical device through which conventional current enters the device. This contrasts with a cathode, an electrode...
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sealed X-ray tube has a stationary anode (the Crookes tube) and runs with ~2 kW of electron beam power. The more expensive variety has a rotating-anode type...
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Crookes tube (section Anode rays)
electrodes, the cathode and the anode, one at either end. When a high voltage is applied between the electrodes, cathode rays (electrons) are projected in...
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was an early investigator of discharge tubes, the discoverer of anode rays or canal rays, later identified as positive ions in the gas phase including the...
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cathode rays were discovered, called Crookes tubes, this was done by using a high electrical potential of thousands of volts between the anode and the...
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applications.[citation needed] An X-ray generator also needs to contain a cooling system to cool the anode; many X-ray generators use water or oil recirculating...
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Energy-dispersive X-ray spectroscopy (EDS, EDX, EDXS or XEDS), sometimes called energy dispersive X-ray analysis (EDXA or EDAX) or energy dispersive X-ray microanalysis...
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Heel effect (category X-rays)
In X-ray tubes, the heel effect or, more precisely, the anode heel effect is a variation of the intensity of X-rays emitted by the anode depending on...
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created X-rays when they struck the anode or the glass wall of the tube. The earliest experimenter thought to have (unknowingly) produced X-rays was William...
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Vacuum tube (section Cathode-ray tubes)
sort of cathode-ray tube. The X-ray tube is a type of cathode-ray tube that generates X-rays when high voltage electrons hit the anode. Gyrotrons or vacuum...
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History of mass spectrometry (section Canal rays)
gas discharges in the mid 19th century led to the discovery of anode and cathode rays, which turned out to be positive ions and electrons. Improved capabilities...
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X-ray phase-contrast microscopy, from a focal spot about 10 um x 10 um, may be obtained with an X-ray source which uses a liquid metal galinstan anode....
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Cavity magnetron (redirect from Split-anode magnetron)
grid) is inserted between the cathode and the anode, the flow of electrons between the cathode and anode can be regulated by varying the voltage on this...
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Non-monochromatic X-ray sources also produce a significant amount of heat (100 to 200 °C) on the surface of the sample because the anode that produces the X-rays is typically...
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and one or more anode electrodes which accelerate and further focus the beam. A large voltage difference between the cathode and anode accelerates the...
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institutions. An X-ray spectrograph consists of a high voltage power supply (50 kV or 100 kV), a broad band X-ray tube, usually with a tungsten anode and a beryllium...
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Radiography (redirect from X-Ray Photography)
strongly determined by the size of the X-ray source. This is determined by the area of the electron beam hitting the anode. A large photon source results in...
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are: a thermionic cathode, first and second grids, and a plate (called anode in British English). There are several varieties of tetrodes, the most common...
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Mammography Rhodium - Used in Mammography with Rhodium anodes Aluminium - Used in general radiography x-ray tubes Copper - Used in general radiography - especially...
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J. J. Thomson (section Experiments with cathode rays)
deflection of cathode rays. Cathode rays were produced in the side tube on the left of the apparatus and passed through the anode into the main bell jar...
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around the anode wire. This makes the signal very strong, but causes a dead time after each event and makes it impossible to measure the X-ray energies...
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Lithium-ion battery (section Anode)
intercalation anode, similar to that used for the cathode, which prevents the formation of lithium metal during battery charging. A variety of anode materials...
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Electron beam computed tomography (category X-ray computed tomography)
electron-beam focal point (and hence the X-ray source point) is swept electronically along a tungsten anode in the tube, tracing a large circular arc on...
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Line focus principle (category X-rays)
electrons formed in the cathode side of an X-ray tube can interact with the electrons of a tungsten target on the anode side and produce ionized radiation or...
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flows the other way, into the device, is termed an anode. Conventional current flows from cathode to anode outside the cell or device (with electrons moving...
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XPoSat (redirect from X-ray Polarimeter Satellite)
division in a set of resistive anode wires connected in series. The prime objects for observation with this instrument are the X-ray bright accretion powered...
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10 to 15%. A potential difference (25-35 kilovolts) created between the anode and photocathode then accelerates these photoelectrons while electron lenses...
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