CA1172683A - Enduit emetteur d'electrons dans une lampe a halogenure metallique - Google Patents

Enduit emetteur d'electrons dans une lampe a halogenure metallique

Info

Publication number
CA1172683A
CA1172683A CA000380268A CA380268A CA1172683A CA 1172683 A CA1172683 A CA 1172683A CA 000380268 A CA000380268 A CA 000380268A CA 380268 A CA380268 A CA 380268A CA 1172683 A CA1172683 A CA 1172683A
Authority
CA
Canada
Prior art keywords
metal halide
lamp
electron
glow
scandium
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
CA000380268A
Other languages
English (en)
Inventor
Ranajit K. Datta
Dimitri M. Speros
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 CA1172683A publication Critical patent/CA1172683A/fr
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

Landscapes

  • Discharge Lamp (AREA)
CA000380268A 1980-06-20 1981-06-19 Enduit emetteur d'electrons dans une lampe a halogenure metallique Expired CA1172683A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16143180A 1980-06-20 1980-06-20
US161,431 1980-06-20

Publications (1)

Publication Number Publication Date
CA1172683A true CA1172683A (fr) 1984-08-14

Family

ID=22581145

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000380268A Expired CA1172683A (fr) 1980-06-20 1981-06-19 Enduit emetteur d'electrons dans une lampe a halogenure metallique

Country Status (5)

Country Link
JP (1) JPS5749155A (fr)
CA (1) CA1172683A (fr)
DE (1) DE3123492A1 (fr)
FR (1) FR2485260A1 (fr)
GB (1) GB2079036A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606491A1 (fr) * 1992-07-31 1994-07-20 Toho Kinzoku Co., Ltd. Materiau d'electrode au tungstene
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2245717A1 (de) * 1972-09-18 1974-03-28 Patra Patent Treuhand Elektrode mit einem poroesen sinterkoerper
JPS5416671B2 (fr) * 1973-05-10 1979-06-23
NL175480C (nl) * 1974-06-12 1984-11-01 Philips Nv Elektrode voor een ontladingslamp, werkwijze voor de vervaardiging van een dergelijke elektrode en ontladingslamp voorzien van een dergelijke elektrode.
US4340836A (en) * 1978-09-11 1982-07-20 General Electric Company Electrode for miniature high pressure metal halide lamp

Also Published As

Publication number Publication date
JPS5749155A (en) 1982-03-20
GB2079036A (en) 1982-01-13
FR2485260A1 (fr) 1981-12-24
DE3123492A1 (de) 1982-04-01

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Legal Events

Date Code Title Description
MKEX Expiry