- cathodes
- cath·ode || 'kæθəʊd n. negatively-charged electrode, negative pole of a current (Electricity)
English contemporary dictionary. 2014.
cathodes
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Cathodes froides — Cathode froide PC modifié intégrant un éclairage à cathode froide. Le terme de cathode froide est employé pour les tubes électroniques lorsque la cathode n est pas chauffée. Dans ce genre de tubes ce n est pas l effet thermoïonique qui est… … Wikipédia en Français
Hot cathode — is also a name for a hot filament ionization gauge, a vacuum measuring device.In vacuum tubes, a hot cathode is a cathode electrode which emits electrons due to thermionic emission. ( Cf. cold cathodes, where field emission is used and which do… … Wikipedia
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Nixie tube — The ten digits of a GN 4 Nixie tube. A nixie tube is an electronic device for displaying numerals or other information. The glass tube contains a wire mesh anode and multiple cathodes. In most tubes, the cathodes are shaped like numerals.… … Wikipedia
THERMO-IONIQUE (ÉMISSION) — L’émission thermo ionique telle qu’elle est comprise aujourd’hui est une branche de la physique qui traite des divers phénomènes liés à l’éjection d’électrons d’un corps solide chauffé à une température suffisamment élevée. On substitue… … Encyclopédie Universelle
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Tube Nixie — Les dix chiffres d un tube Nixie Z560M. Un tube Nixie est un composant électronique utilisé pour l affichage de chiffres et d autres informations. Il est constitué d un tube de verre qui contient une anode en fil grillagé, et plusieurs cathodes… … Wikipédia en Français
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Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… … Wikipedia
Electrowinning — Electrowinning, also called electroextraction, is the electrodeposition of metals from their ores that have been put in solution or liquefied. Electrorefining uses a similar process to remove impurities from a metal. Both processes use… … Wikipedia
