Electrodes common to discharge tubes

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

H01J2201/00Electrodes common to discharge tubes

H01J2201/02Arrangements for eliminating deleterious effects H01J2201/025charging H01J2201/19Thermionic cathodes H01J2201/193Thin film cathodes H01J2201/196Emission assisted by other physical processes H01J2201/28Heaters for thermionic cathodes H01J2201/2803Characterised by the shape or size H01J2201/2807Block H01J2201/281Cage-like construction H01J2201/2814being a mesh-like network H01J2201/2817Rods H01J2201/2821Envelope or cross-section H01J2201/2825being oval or elliptic H01J2201/2828being rectangular or square H01J2201/2832being circular H01J2201/2835Folded H01J2201/2839Hair-pin or simple bend H01J2201/2842Conic H01J2201/2846Loop H01J2201/285Plurality of elements H01J2201/2853Serpentine H01J2201/2857being coiled H01J2201/286being looped H01J2201/2864Ribbon or bar H01J2201/2867Spiral or helix H01J2201/2871being flattened H01J2201/2875being double, reverse helix or interwoven H01J2201/2878Thin film or film-like H01J2201/2882Variable winding density H01J2201/2885Twisted H01J2201/2889Characterised by material H01J2201/2892Coatings H01J2201/2896Insulating layers H01J2201/30Cold cathodes H01J2201/304Field emission cathodes H01J2201/30403characterised by the emitter shape H01J2201/30407Micro-engineered point emitters H01J2201/30411conical shaped H01J2201/30415needle shaped H01J2201/30419Pillar shaped emitters H01J2201/30423Micro-engineered edge emitters H01J2201/30426Coatings on the emitter surface H01J2201/3043Fibres H01J2201/30434Nanotubes H01J2201/30438Particles H01J2201/30442Whiskers H01J2201/30446characterised by the emitter material H01J2201/30449Metals and metal alloys H01J2201/30453Carbon types H01J2201/30457Diamond H01J2201/30461Graphite H01J2201/30465Fullerenes H01J2201/30469Carbon nanotubes (CNTs) H01J2201/30473Amorphous carbon H01J2201/30476Diamond-like carbon [DLC] H01J2201/3048Semiconductor materials H01J2201/30484Carbides H01J2201/30488Nitrides H01J2201/30492Borides H01J2201/30496Oxides H01J2201/306Ferroelectric cathodes H01J2201/308Semiconductor cathodes H01J2201/312having an electric field perpendicular to the surface thereof H01J2201/3125Metal-insulator-Metal [MIM] emission type cathodes H01J2201/316having an electric field parallel to the surface thereof H01J2201/3165Surface conduction emission type cathodes H01J2201/317combined with other synergetic effects H01J2201/319Circuit elements associated with the emitters by direct integration H01J2201/3195Resistive members H01J2201/32Secondary emission electrodes H01J2201/34Photoemissive electrodes H01J2201/342Cathodes H01J2201/3421Composition of the emitting surface H01J2201/3423Semiconductors H01J2201/3425Metals, metal alloys H01J2201/3426Alkaline metal compounds H01J2201/3428Organo-metallic compounds