CA940999A - Discharge lamp thermionic cathode containing emission material - Google Patents

Discharge lamp thermionic cathode containing emission material

Info

Publication number
CA940999A
CA940999A CA128,900A CA128900A CA940999A CA 940999 A CA940999 A CA 940999A CA 128900 A CA128900 A CA 128900A CA 940999 A CA940999 A CA 940999A
Authority
CA
Canada
Prior art keywords
discharge lamp
emission material
thermionic cathode
cathode containing
containing emission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA128,900A
Other versions
CA128900S (en
Inventor
Dimitrios M. Speros
William E. Smyser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA940999A publication Critical patent/CA940999A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
CA128,900A 1970-12-14 1971-11-30 Discharge lamp thermionic cathode containing emission material Expired CA940999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9790770A 1970-12-14 1970-12-14

Publications (1)

Publication Number Publication Date
CA940999A true CA940999A (en) 1974-01-29

Family

ID=22265716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA128,900A Expired CA940999A (en) 1970-12-14 1971-11-30 Discharge lamp thermionic cathode containing emission material

Country Status (6)

Country Link
US (1) US3708710A (en)
JP (1) JPS5528180B1 (en)
BR (1) BR7108240D0 (en)
CA (1) CA940999A (en)
DE (1) DE2161173C3 (en)
GB (1) GB1366525A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832588A (en) * 1972-09-25 1974-08-27 Gen Electric Ceramic discharge lamp having metal end cap
US3935495A (en) * 1974-03-22 1976-01-27 General Electric Company Chemically polished polycrystalline alumina material
NL175771B (en) * 1975-06-20 1984-07-16 Philips Nv HIGH-PRESSURE GAS DISCHARGE LAMP AND A METHOD FOR MANUFACTURING THE SAME.
US4052636A (en) * 1976-08-02 1977-10-04 General Electric Company High pressure sodium vapor lamp stabilized for pulse operation
JPS5367972A (en) * 1976-11-30 1978-06-16 Mitsubishi Electric Corp Electrode for elctric discharge lamp
US4152619A (en) * 1977-10-26 1979-05-01 Westinghouse Electric Corp. HID lamp electrode comprising barium (yttrium or rare earth metal) tungstate or molybdate
NL177455C (en) * 1977-12-02 1985-09-16 Philips Nv HIGH PRESSURE METAL VAPOR DISCHARGE LAMP.
US4152620A (en) * 1978-06-29 1979-05-01 Westinghouse Electric Corp. High intensity vapor discharge lamp with sintering aids for electrode emission materials
NL175770C (en) * 1978-10-06 1984-12-17 Philips Nv HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP.
US4321503A (en) * 1978-11-06 1982-03-23 Westinghouse Electric Corp. HID Lamp electrode comprising barium-calcium niobate or tantalate
US4210840A (en) * 1978-12-12 1980-07-01 Westinghouse Electric Corp. HID Lamp emission material
US4275330A (en) * 1979-03-08 1981-06-23 General Electric Company Electric discharge lamp having a cathode with cesium metal oxide
JPS5676156A (en) * 1979-11-24 1981-06-23 Matsushita Electronics Corp High-pressure sodium-vapor lamp
DE3125270A1 (en) * 1981-06-24 1983-01-13 Egyesült Izzólámpa és Villamossági Részvénytársaság, 1340 Budapest High-pressure gas discharge lamp with an incandescent cathode containing an active material
DE3378392D1 (en) * 1982-06-11 1988-12-08 Gen Electric High pressure sodium vapor lamp
US4479074A (en) * 1982-09-02 1984-10-23 North American Philips Lighting Corp. High intensity vapor discharge lamp with sintering aids for electrode emission materials
JPS60159287U (en) * 1984-04-02 1985-10-23 三恵技研工業株式会社 flexible tube
US4617492A (en) * 1985-02-04 1986-10-14 General Electric Company High pressure sodium lamp having improved pressure stability
US4620128A (en) * 1985-04-29 1986-10-28 General Electric Company Tungsten laden emission mix of improved stability
US4620129A (en) * 1985-04-29 1986-10-28 General Electric Company Gettered high pressure sodium lamp
US5111108A (en) * 1990-12-14 1992-05-05 Gte Products Corporation Vapor discharge device with electron emissive material
US6157132A (en) * 1998-08-19 2000-12-05 General Electric Company Discharge lamp emission material
US6700326B1 (en) * 1999-06-14 2004-03-02 Osram Sylvania Inc. Edge sealing electrode for discharge lamp
US7633226B2 (en) * 2005-11-30 2009-12-15 General Electric Company Electrode materials for electric lamps and methods of manufacture thereof
CN114644517A (en) * 2022-03-29 2022-06-21 南京三乐集团有限公司 High-performance aluminate source for terahertz traveling wave tube and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434812A (en) * 1964-04-16 1969-03-25 Gen Electric Thermionic cathode
US3294998A (en) * 1964-09-29 1966-12-27 Gen Electric Arc tube mounting for high pressure metal vapor lamps

Also Published As

Publication number Publication date
BR7108240D0 (en) 1973-07-03
US3708710A (en) 1973-01-02
JPS5528180B1 (en) 1980-07-25
DE2161173A1 (en) 1972-06-29
GB1366525A (en) 1974-09-11
DE2161173C3 (en) 1975-07-03
DE2161173B2 (en) 1974-11-21

Similar Documents

Publication Publication Date Title
CA940999A (en) Discharge lamp thermionic cathode containing emission material
CA941876A (en) Discharge lamps having improved thermionic cathodes
CA937977A (en) Field emitting cathode with plural emitters
CA957007A (en) Electric filament lamp or discharge lamp
CA933998A (en) Metal-halide discharge lamps
CA896453A (en) Fluorescent phosphors
CA940996A (en) Electron gun having a segmented anode electrode
CA976594A (en) Field emission electron gun
CA958065A (en) Electric filament lamp or discharge lamp
CA942371A (en) Secondary electron emissive electrode
CA828293A (en) Thermionic cathodes for electron discharge devices
CA818010A (en) Electron discharge device cathodes
CA800111A (en) Electron discharge lamps
CA923959A (en) Oblong discharge lamp
CA841729A (en) Arc discharge lamp
CA915307A (en) Electron discharge tubes
CA928373A (en) Thermionic hollow cathodes for gas discharge devices
CA913697A (en) Discharge tube with field emission cathode
CA935499A (en) Field emission electron gun
CA792716A (en) Electron discharge device of indirectly-heated cathode type
CA850241A (en) Discharge lamps
CA854819A (en) Electron emitting cathodes for irradiation machines
CA942825A (en) Dispenser cathodes for electron discharge tubes
CA833716A (en) Electron discharge device
CA890001A (en) High current thermionic hollow cathode lamp