layer+cathode

См. также в других словарях:

• 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

• Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …   Wikipedia

• cathode layer — katodinis sluoksnis statusas T sritis chemija apibrėžtis Tirpalo sluoksnis, esantis arti katodo. atitikmenys: angl. cathode layer rus. катодный слой …   Chemijos terminų aiškinamasis žodynas

• cathode glow — noun : a thin layer of luminosity immediately surrounding the cathode in a Crookes tube * * * a luminous region between the Aston dark space and the Crookes dark space in a vacuum tube, occurring when the pressure is low …   Useful english dictionary

• 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

• Black layer — A black layer is a coat on the filament of the indirectly heated hot cathode in a cathode ray tube, intended to optimise the output of electrons from the cathode, thus minimising the energy consumption and heat generated while maximising the… …   Wikipedia

• Double layer (plasma) — This article is about the structure in plasma physics. For other uses, see Double layer. Saturnian aurora whose reddish colour is characteristic of ionized hydrogen plasma.[1] Powered by the Saturnian equivalent of (filamentary) Birkeland… …   Wikipedia

• Crookes layer — Crookes space Crookes space (kr[oo^]ks). [After Sir William Crookes, English chemist, who first described it.] (Physics) The dark space within the negative pole glow at the cathode of a vacuum tube, observed only when the pressure is low enough… …   The Collaborative International Dictionary of English

• Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …   Wikipedia

• Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium