FR2090725A5 - - Google Patents

Info

Publication number
FR2090725A5
FR2090725A5 FR7114784A FR7114784A FR2090725A5 FR 2090725 A5 FR2090725 A5 FR 2090725A5 FR 7114784 A FR7114784 A FR 7114784A FR 7114784 A FR7114784 A FR 7114784A FR 2090725 A5 FR2090725 A5 FR 2090725A5
Authority
FR
France
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
FR7114784A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2090725A5 publication Critical patent/FR2090725A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0068—Electrode systems electrode assembly with control electrodes, e.g. including a screen
FR7114784A 1970-04-24 1971-04-26 Expired FR2090725A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7005965A NL7005965A (fr) 1970-04-24 1970-04-24

Publications (1)

Publication Number Publication Date
FR2090725A5 true FR2090725A5 (fr) 1972-01-14

Family

ID=19809938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7114784A Expired FR2090725A5 (fr) 1970-04-24 1971-04-26

Country Status (6)

Country Link
JP (1) JPS4945200B1 (fr)
CA (1) CA940218A (fr)
DE (1) DE2118833A1 (fr)
FR (1) FR2090725A5 (fr)
GB (1) GB1338147A (fr)
NL (1) NL7005965A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509091A1 (fr) * 1981-07-01 1983-01-07 Sefli Electrode a cathode froide, notamment pour tubes fluorescents, et procede de realisation d'une telle electrode

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176337B (en) * 1985-06-04 1990-02-14 English Electric Valve Co Ltd Metal vapour laser apparatus
EP0309833A1 (fr) * 1987-09-28 1989-04-05 Siemens Aktiengesellschaft Laser à gaz avec tube de décharge
DE102016120416A1 (de) * 2015-11-10 2017-05-11 Von Ardenne Gmbh Elektronenstrahlquelle, Elektronenkanone und Prozessieranordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509091A1 (fr) * 1981-07-01 1983-01-07 Sefli Electrode a cathode froide, notamment pour tubes fluorescents, et procede de realisation d'une telle electrode

Also Published As

Publication number Publication date
GB1338147A (en) 1973-11-21
DE2118833A1 (de) 1971-11-11
NL7005965A (fr) 1971-10-26
JPS4945200B1 (fr) 1974-12-03
CA940218A (en) 1974-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse