BE474938A - - Google Patents

Info

Publication number
BE474938A
BE474938A BE474938DA BE474938A BE 474938 A BE474938 A BE 474938A BE 474938D A BE474938D A BE 474938DA BE 474938 A BE474938 A BE 474938A
Authority
BE
Belgium
Prior art keywords
grid
cathode
coating
core
boron carbide
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE474938A publication Critical patent/BE474938A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28Non-electron-emitting electrodes; Screens
    • H01J19/38Control electrodes, e.g. grid
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012Constructional arrangements
    • H01J2893/0015Non-sealed electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012Constructional arrangements
    • H01J2893/0019Chemical composition and manufacture
    • H01J2893/0022Manufacture
    • H01J2893/0023Manufacture carbonising and other surface treatments

Landscapes

  • Microwave Tubes (AREA)
BE474938D BE474938A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE474938A true BE474938A (enrdf_load_stackoverflow)

Family

ID=123792

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474938D BE474938A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE474938A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
CN109065422B (zh) 一种直热式高温钨铼合金阴极的制备方法
JPH0122699B2 (enrdf_load_stackoverflow)
CN105702542A (zh) 铼掺杂钨基合金阴极及其制备方法
US4251749A (en) Picture display tube having an internal resistive layer
BE474938A (enrdf_load_stackoverflow)
JP3075094B2 (ja) 電極水冷型放電灯
FR2749436A1 (fr) Electrode a cathode froide pour lampe a decharge
US4652788A (en) Channel secondary electron multiplier
FR2771215A1 (fr) Structure de collecteur de tube a onde progressive
US3401297A (en) Thermionic cathodes for electron discharge devices with improved refractory metal heater wires
CN116937333A (zh) 一种气体放电管电极用电子粉及其制备方法和应用
CN115377280A (zh) 一种基于能斯特效应的激光功率探头热电堆的制备方法
US2229152A (en) Rotary anode X-ray tube
CN1956124B (zh) 高效阴极组件
US2035003A (en) Electron discharge device
US1921139A (en) Discharge tube
US1997693A (en) Electrical discharge device
JP3727519B2 (ja) 熱陰極構体用スリーブ及びその製造方法
FR2480496A1 (fr) Cathode pour tubes electroniques comportant deux corps creux
EP1302969B1 (en) Sleeve for hot cathode structure and method for manufacturing such sleeve
JPH09115424A (ja) 陰極線管用カソード構体
GB2297190A (en) Electron tubes with graphite coating to reduce multipactor dishcarge and diamond layer to conduct away heat
US2279821A (en) Secondary electron emissive electrode
FR2810395A1 (fr) Dissipateur thermique a performances thermiques accrues et procede de fabrication
CN118919379A (zh) 高功率密度水冷阳极的丝状阴极发射性能测试装置