Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Hot_cathode> ?p ?o }
- Hot_cathode abstract "In vacuum tubes, a hot cathode or thermionic cathode is a cathode electrode which is heated to make it emit electrons due to thermionic emission. The heating element is usually an electrical filament, heated by a separate electric current passing through it. Hot cathodes typically achieve much higher power density than cold cathodes, emitting significantly more electrons from the same surface area. Cold cathodes rely on field electron emission or secondary electron emission from positive ion bombardment and do not require heating. There are two types of hot cathode. In a directly-heated cathode, the filament is the cathode and emits the electrons. In an indirectly-heated cathode, the filament or heater heats a separate metal cathode electrode which emits the electrons.From the 1920s to the 1960s, virtually every electronic device used hot cathode vacuum tubes. Today, hot cathodes are used as the source of electrons in fluorescent lamps, vacuum tubes, and electron guns in cathode ray tubes and laboratory equipment such as electron microscopes,".
- Hot_cathode thumbnail Thermionic_filament.jpg?width=300.
- Hot_cathode wikiPageExternalLink tubes201.
- Hot_cathode wikiPageID "2898953".
- Hot_cathode wikiPageLength "20401".
- Hot_cathode wikiPageOutDegree "130".
- Hot_cathode wikiPageRevisionID "662584510".
- Hot_cathode wikiPageWikiLink 12AX7.
- Hot_cathode wikiPageWikiLink Alkaline_earth_metal.
- Hot_cathode wikiPageWikiLink All_American_Five.
- Hot_cathode wikiPageWikiLink Alternating_current.
- Hot_cathode wikiPageWikiLink Alumina.
- Hot_cathode wikiPageWikiLink Aluminium.
- Hot_cathode wikiPageWikiLink Aluminium_oxide.
- Hot_cathode wikiPageWikiLink Atomic_nucleus.
- Hot_cathode wikiPageWikiLink Barium.
- Hot_cathode wikiPageWikiLink Barium_hexaboride.
- Hot_cathode wikiPageWikiLink Barium_oxide.
- Hot_cathode wikiPageWikiLink Barrier_layer.
- Hot_cathode wikiPageWikiLink Battery_(vacuum_tube).
- Hot_cathode wikiPageWikiLink Black_layer.
- Hot_cathode wikiPageWikiLink Boride.
- Hot_cathode wikiPageWikiLink Calcium_hexaboride.
- Hot_cathode wikiPageWikiLink Calcium_oxide.
- Hot_cathode wikiPageWikiLink Carbide.
- Hot_cathode wikiPageWikiLink Carbonate.
- Hot_cathode wikiPageWikiLink Category:Accelerator_physics.
- Hot_cathode wikiPageWikiLink Category:Electrodes.
- Hot_cathode wikiPageWikiLink Category:Gas_discharge_lamps.
- Hot_cathode wikiPageWikiLink Category:Vacuum_tubes.
- Hot_cathode wikiPageWikiLink Cathode.
- Hot_cathode wikiPageWikiLink Cathode_ray_tube.
- Hot_cathode wikiPageWikiLink Cerium(IV)_oxide.
- Hot_cathode wikiPageWikiLink Cerium_hexaboride.
- Hot_cathode wikiPageWikiLink Cold_cathode.
- Hot_cathode wikiPageWikiLink Computer_monitor.
- Hot_cathode wikiPageWikiLink Dielectric_heating.
- Hot_cathode wikiPageWikiLink Diffusion_barrier.
- Hot_cathode wikiPageWikiLink Electric_current.
- Hot_cathode wikiPageWikiLink Electric_field.
- Hot_cathode wikiPageWikiLink Electrical_filament.
- Hot_cathode wikiPageWikiLink Electrical_resistance.
- Hot_cathode wikiPageWikiLink Electrical_resistance_and_conductance.
- Hot_cathode wikiPageWikiLink Electron.
- Hot_cathode wikiPageWikiLink Electron-beam_lithography.
- Hot_cathode wikiPageWikiLink Electron_beam_welding.
- Hot_cathode wikiPageWikiLink Electron_gun.
- Hot_cathode wikiPageWikiLink Electron_lithography.
- Hot_cathode wikiPageWikiLink Electron_microscope.
- Hot_cathode wikiPageWikiLink Electronvolt.
- Hot_cathode wikiPageWikiLink Failure_causes.
- Hot_cathode wikiPageWikiLink Failure_mode.
- Hot_cathode wikiPageWikiLink Field_electron_emission.
- Hot_cathode wikiPageWikiLink Fluorescent_lamp.
- Hot_cathode wikiPageWikiLink Fluorescent_tube.
- Hot_cathode wikiPageWikiLink Free-electron_laser.
- Hot_cathode wikiPageWikiLink Free_electron_laser.
- Hot_cathode wikiPageWikiLink Gadolinium.
- Hot_cathode wikiPageWikiLink Gadolinium_hexaboride.
- Hot_cathode wikiPageWikiLink Group_(periodic_table).
- Hot_cathode wikiPageWikiLink Group_3_element.
- Hot_cathode wikiPageWikiLink Group_4_element.
- Hot_cathode wikiPageWikiLink Hafnium.
- Hot_cathode wikiPageWikiLink Hafnium(IV)_carbide.
- Hot_cathode wikiPageWikiLink Hafnium_carbide.
- Hot_cathode wikiPageWikiLink Hafnium_diboride.
- Hot_cathode wikiPageWikiLink Heating_element.
- Hot_cathode wikiPageWikiLink Hi-fi.
- Hot_cathode wikiPageWikiLink High_fidelity.
- Hot_cathode wikiPageWikiLink Hot-filament_ionization_gauge.
- Hot_cathode wikiPageWikiLink Hot_filament_ionization_gauge.
- Hot_cathode wikiPageWikiLink Incandescent_light_bulb.
- Hot_cathode wikiPageWikiLink Irving_Langmuir.
- Hot_cathode wikiPageWikiLink Kelvin.
- Hot_cathode wikiPageWikiLink Lanthanide.
- Hot_cathode wikiPageWikiLink Lanthanum(III)_oxide.
- Hot_cathode wikiPageWikiLink Lanthanum_hexaboride.
- Hot_cathode wikiPageWikiLink Lanthanum_oxide.
- Hot_cathode wikiPageWikiLink Microwave.
- Hot_cathode wikiPageWikiLink Microwave_heating.
- Hot_cathode wikiPageWikiLink Microwave_tube.
- Hot_cathode wikiPageWikiLink Molybdenum.
- Hot_cathode wikiPageWikiLink Nichrome.
- Hot_cathode wikiPageWikiLink Niobium_diboride.
- Hot_cathode wikiPageWikiLink Operating_temperature.
- Hot_cathode wikiPageWikiLink Outgassing.
- Hot_cathode wikiPageWikiLink Oxygen.
- Hot_cathode wikiPageWikiLink Refractory_metal.
- Hot_cathode wikiPageWikiLink Refractory_metals.
- Hot_cathode wikiPageWikiLink Rhenium.
- Hot_cathode wikiPageWikiLink Samarium.
- Hot_cathode wikiPageWikiLink Samarium_hexaboride.
- Hot_cathode wikiPageWikiLink Scandium.
- Hot_cathode wikiPageWikiLink Secondary_electron.
- Hot_cathode wikiPageWikiLink Secondary_electrons.
- Hot_cathode wikiPageWikiLink Silicate.
- Hot_cathode wikiPageWikiLink Silicon.
- Hot_cathode wikiPageWikiLink Stretched_exponential_function.
- Hot_cathode wikiPageWikiLink Strontium_hexaboride.
- Hot_cathode wikiPageWikiLink Strontium_oxide.