• Thumbnail for Anode ray
    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...
    4 KB (477 words) - 06:13, 10 December 2023
  • Thumbnail for X-ray tube
    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...
    20 KB (2,631 words) - 19:20, 14 June 2024
  • Thumbnail for Cathode-ray tube
    plates, and an anode accelerates them towards the phosphor-coated screen, which generates light when hit by the electrons. Cathode rays were discovered...
    265 KB (28,780 words) - 16:18, 8 July 2024
  • Thumbnail for Anode
    An anode is an electrode of a polarized electrical device through which conventional current enters the device. This contrasts with a cathode, an electrode...
    20 KB (2,569 words) - 21:11, 27 May 2024
  • Thumbnail for X-ray diffraction
    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...
    32 KB (4,200 words) - 23:52, 2 June 2024
  • Thumbnail for Crookes tube
    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...
    33 KB (4,113 words) - 19:35, 29 June 2024
  • Thumbnail for Eugen Goldstein
    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...
    8 KB (786 words) - 01:48, 29 May 2024
  • Thumbnail for Cathode ray
    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...
    19 KB (2,648 words) - 03:54, 12 May 2024
  • Thumbnail for X-ray machine
    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...
    14 KB (1,765 words) - 06:29, 8 May 2024
  • Thumbnail for Energy-dispersive X-ray spectroscopy
    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...
    12 KB (1,633 words) - 22:21, 4 May 2024
  • Thumbnail for Heel effect
    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...
    5 KB (629 words) - 16:19, 20 July 2022
  • Thumbnail for History of mass spectrometry
    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...
    25 KB (2,961 words) - 02:24, 25 October 2023
  • Thumbnail for X-ray
    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...
    105 KB (12,435 words) - 19:28, 29 June 2024
  • Thumbnail for Vacuum tube
    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...
    119 KB (15,348 words) - 10:28, 11 July 2024
  • Thumbnail for X-ray microscope
    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....
    22 KB (2,727 words) - 17:23, 23 April 2024
  • Thumbnail for Cavity 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...
    52 KB (6,431 words) - 01:09, 23 June 2024
  • Thumbnail for X-ray photoelectron spectroscopy
    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...
    42 KB (6,196 words) - 03:46, 7 June 2024
  • Thumbnail for Electron gun
    and one or more anode electrodes which accelerate and further focus the beam. A large voltage difference between the cathode and anode accelerates the...
    6 KB (705 words) - 02:32, 3 July 2024
  • Thumbnail for X-ray spectroscopy
    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...
    18 KB (2,659 words) - 14:02, 25 February 2024
  • Thumbnail for Radiography
    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...
    35 KB (3,881 words) - 08:03, 16 May 2024
  • 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...
    34 KB (4,294 words) - 04:47, 8 July 2024
  • Thumbnail for J. J. Thomson
    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...
    55 KB (5,738 words) - 07:54, 3 July 2024
  • Mammography Rhodium - Used in Mammography with Rhodium anodes Aluminium - Used in general radiography x-ray tubes Copper - Used in general radiography - especially...
    10 KB (1,440 words) - 21:18, 7 May 2024
  • Thumbnail for X-ray detector
    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...
    24 KB (2,856 words) - 15:12, 28 March 2024
  • Thumbnail for Lithium-ion battery
    intercalation anode, similar to that used for the cathode, which prevents the formation of lithium metal during battery charging. A variety of anode materials...
    205 KB (21,650 words) - 04:11, 12 July 2024
  • Thumbnail for Electron beam computed tomography
    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...
    7 KB (810 words) - 03:58, 12 May 2024
  • Thumbnail for Cathode
    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...
    24 KB (2,871 words) - 18:28, 29 June 2024
  • Thumbnail for XPoSat
    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...
    18 KB (1,602 words) - 02:18, 1 July 2024
  • Thumbnail for Line focus principle
    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...
    5 KB (709 words) - 23:13, 18 July 2022
  • 10 to 15%. A potential difference (25-35 kilovolts) created between the anode and photocathode then accelerates these photoelectrons while electron lenses...
    12 KB (1,460 words) - 13:10, 1 May 2024