DE2530076C3 - Elektrode für Hochdruck-Entladungslampen - Google Patents

Elektrode für Hochdruck-Entladungslampen

Info

Publication number
DE2530076C3
DE2530076C3 DE2530076A DE2530076A DE2530076C3 DE 2530076 C3 DE2530076 C3 DE 2530076C3 DE 2530076 A DE2530076 A DE 2530076A DE 2530076 A DE2530076 A DE 2530076A DE 2530076 C3 DE2530076 C3 DE 2530076C3
Authority
DE
Germany
Prior art keywords
electrodes
tho
electrode
lamps
pressure discharge
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
DE2530076A
Other languages
German (de)
English (en)
Other versions
DE2530076A1 (de
DE2530076B2 (de
Inventor
Ranajit Kumar East Cleveland Ohio Datta (V.St.A.)
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
Publication of DE2530076A1 publication Critical patent/DE2530076A1/de
Publication of DE2530076B2 publication Critical patent/DE2530076B2/de
Application granted granted Critical
Publication of DE2530076C3 publication Critical patent/DE2530076C3/de
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

Landscapes

  • Discharge Lamp (AREA)
DE2530076A 1974-07-12 1975-07-05 Elektrode für Hochdruck-Entladungslampen Expired DE2530076C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US488109A US3919581A (en) 1974-07-12 1974-07-12 Thoria-yttria emission mixture for discharge lamps

Publications (3)

Publication Number Publication Date
DE2530076A1 DE2530076A1 (de) 1976-02-12
DE2530076B2 DE2530076B2 (de) 1978-07-27
DE2530076C3 true DE2530076C3 (de) 1979-03-29

Family

ID=23938360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2530076A Expired DE2530076C3 (de) 1974-07-12 1975-07-05 Elektrode für Hochdruck-Entladungslampen

Country Status (4)

Country Link
US (1) US3919581A (nl)
JP (1) JPS548995B2 (nl)
DE (1) DE2530076C3 (nl)
GB (1) GB1508827A (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175771B (nl) * 1975-06-20 1984-07-16 Philips Nv Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
JPS5822856B2 (ja) * 1975-12-16 1983-05-11 松下電子工業株式会社 メタルハライドランプ
JPS549833Y1 (nl) * 1976-02-07 1979-05-09
JPS5367972A (en) * 1976-11-30 1978-06-16 Mitsubishi Electric Corp Electrode for elctric discharge lamp
JPS53128172A (en) * 1977-04-14 1978-11-08 Toshiba Corp Metal vapor discharge lamp
US4123685A (en) * 1977-10-21 1978-10-31 Westinghouse Electric Corp. HID lamp electrode comprising solid solution of dibarium calcium molybdate and tungstate
DE2951741C2 (de) * 1978-12-29 1984-05-30 Mitsubishi Denki K.K., Tokio/Tokyo Elektrode für eine Entladungslampe
JPS5761238A (en) * 1980-09-30 1982-04-13 Mitsubishi Electric Corp Electron emission substance and production
US4992700A (en) * 1989-03-10 1991-02-12 General Electric Company Reprographic metal halide lamps having high blue emission
US5013968A (en) * 1989-03-10 1991-05-07 General Electric Company Reprographic metal halide lamps having long life and maintenance
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460738A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
US3364375A (en) * 1963-10-25 1968-01-16 Gen Electric Metal vapor lamp thorium coated electrode
US3372297A (en) * 1964-09-28 1968-03-05 Varian Associates High frequency electron discharge devices and thermionic cathodes having improved (cvd) refractory insulation coated heater wires
US3485343A (en) * 1967-08-28 1969-12-23 Gen Electric Oxygen getter for high pressure sodium vapor lamp
US3530327A (en) * 1968-03-11 1970-09-22 Westinghouse Electric Corp Metal halide discharge lamps with rare-earth metal oxide used as electrode emission material

Also Published As

Publication number Publication date
JPS5114779A (nl) 1976-02-05
DE2530076A1 (de) 1976-02-12
US3919581A (en) 1975-11-11
JPS548995B2 (nl) 1979-04-20
DE2530076B2 (de) 1978-07-27
GB1508827A (en) 1978-04-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee