DE2753039C2 - Elektrode für eine Entladungslampe - Google Patents

Elektrode für eine Entladungslampe

Info

Publication number
DE2753039C2
DE2753039C2 DE2753039A DE2753039A DE2753039C2 DE 2753039 C2 DE2753039 C2 DE 2753039C2 DE 2753039 A DE2753039 A DE 2753039A DE 2753039 A DE2753039 A DE 2753039A DE 2753039 C2 DE2753039 C2 DE 2753039C2
Authority
DE
Germany
Prior art keywords
oxide
electrode
electron emission
emission material
discharge lamp
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
DE2753039A
Other languages
German (de)
English (en)
Other versions
DE2753039A1 (de
Inventor
Keizi Kamakura Kanagawa Fukuyama
Masato Saito
Keizi Watanabe
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE2753039A1 publication Critical patent/DE2753039A1/de
Application granted granted Critical
Publication of DE2753039C2 publication Critical patent/DE2753039C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2958—Metal or metal compound in coating

Landscapes

  • Discharge Lamp (AREA)
DE2753039A 1976-11-30 1977-11-28 Elektrode für eine Entladungslampe Expired DE2753039C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14433776A JPS5367972A (en) 1976-11-30 1976-11-30 Electrode for elctric discharge lamp

Publications (2)

Publication Number Publication Date
DE2753039A1 DE2753039A1 (de) 1978-06-01
DE2753039C2 true DE2753039C2 (de) 1983-07-07

Family

ID=15359754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2753039A Expired DE2753039C2 (de) 1976-11-30 1977-11-28 Elektrode für eine Entladungslampe

Country Status (5)

Country Link
US (1) US4136227A (OSRAM)
JP (1) JPS5367972A (OSRAM)
DE (1) DE2753039C2 (OSRAM)
GB (1) GB1592502A (OSRAM)
NL (1) NL182679C (OSRAM)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210839A (en) * 1978-03-13 1980-07-01 Westron of Canada Limited Mercury lamp for promoting plant growth
NL175770C (nl) * 1978-10-06 1984-12-17 Philips Nv Hogedruknatriumdampontladingslamp.
DE2951741C2 (de) * 1978-12-29 1984-05-30 Mitsubishi Denki K.K., Tokio/Tokyo Elektrode für eine Entladungslampe
NL8000326A (nl) * 1979-05-28 1980-12-02 Philips Nv Hogedruknatriumdampontladingslamp.
US4303848A (en) * 1979-08-29 1981-12-01 Toshiba Corporation Discharge lamp and method of making same
NL185478C (nl) * 1980-09-05 1990-04-17 Philips Nv Hogedruknatriumdampontladingslamp.
JPS57147860A (en) * 1981-03-06 1982-09-11 Hamamatsu Tv Kk Cathode for gas discharge tube
DE3125270A1 (de) * 1981-06-24 1983-01-13 Egyesült Izzólámpa és Villamossági Részvénytársaság, 1340 Budapest Hochdruck-gasentladungslampe mit einer ein aktives material beinhaltenden gluehkatode
US4559473A (en) * 1982-06-11 1985-12-17 General Electric Company Electrode structure for high pressure sodium vapor lamps
US4574219A (en) * 1984-05-25 1986-03-04 General Electric Company Lighting unit
US4617492A (en) * 1985-02-04 1986-10-14 General Electric Company High pressure sodium lamp having improved pressure stability
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
BE1007595A3 (nl) * 1993-10-07 1995-08-16 Philips Electronics Nv Hogedruk-metaalhalogenide-ontladingslamp.
JP3107743B2 (ja) * 1995-07-31 2000-11-13 カシオ計算機株式会社 電子放出性電極およびその製造方法、並びにそれを用いた冷陰極蛍光管およびプラズマディスプレイ
US6000982A (en) * 1995-07-31 1999-12-14 Casio Computer Co., Ltd. Method of manufacturing a cold-cathode for a discharge device
US6853119B2 (en) * 2001-08-02 2005-02-08 Osram Sylvania Inc. Double layer electrode coil for a HID lamp and method of making the electrode coil
TWI418732B (zh) * 2011-01-20 2013-12-11 Lextar Electronics Corp Light body connection device
CN102620263B (zh) * 2011-01-31 2014-05-07 隆达电子股份有限公司 灯体连接装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170772A (en) * 1961-01-05 1965-02-23 Tokyo Shibaura Electric Co Oxide coated cathodes for electron tubes
US3227905A (en) * 1961-10-02 1966-01-04 Eitel Mccullough Inc Electron tube comprising beryllium oxide ceramic
US3558966A (en) * 1967-03-01 1971-01-26 Semicon Associates Inc Directly heated dispenser cathode
DE2038645C3 (de) * 1970-08-04 1974-03-21 Robert Bosch Gmbh, 7000 Stuttgart Verwendung von Hafnium-, Zirkonium- und oder Tantalnitrid als Werkstoff für Elektroden
US3708710A (en) * 1970-12-14 1973-01-02 Gen Electric Discharge lamp thermoionic cathode containing emission material
US3719856A (en) * 1971-05-19 1973-03-06 O Koppius Impregnants for dispenser cathodes
US3922428A (en) * 1972-02-04 1975-11-25 Spectra Mat Inc Thermionic cathode comprising mixture of barium oxide, calcium oxide and samarium oxide
JPS5416671B2 (OSRAM) * 1973-05-10 1979-06-23
HU179748B (en) * 1974-01-15 1982-12-28 Ferenc Puskas Cathode of a metal ceramic sintered body produced by dust metalurgy for closing discharge tube of sodium vapour lamp and process for the production thereof
US3919581A (en) * 1974-07-12 1975-11-11 Gen Electric Thoria-yttria emission mixture for discharge lamps
NL175771B (nl) * 1975-06-20 1984-07-16 Philips Nv Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
US4082906A (en) * 1977-02-14 1978-04-04 San Fernando Electric Manufacturing Company Low temperature fired ceramic capacitors

Also Published As

Publication number Publication date
JPS5367972A (en) 1978-06-16
JPS559777B2 (OSRAM) 1980-03-12
US4136227A (en) 1979-01-23
NL182679C (nl) 1988-04-18
NL7712948A (nl) 1978-06-01
NL182679B (nl) 1987-11-16
DE2753039A1 (de) 1978-06-01
GB1592502A (en) 1981-07-08

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition