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FR2063018A1 - - Google Patents

Info

Publication number
FR2063018A1
FR2063018A1 FR6933045A FR6933045A FR2063018A1 FR 2063018 A1 FR2063018 A1 FR 2063018A1 FR 6933045 A FR6933045 A FR 6933045A FR 6933045 A FR6933045 A FR 6933045A FR 2063018 A1 FR2063018 A1 FR 2063018A1
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.)
Withdrawn
Application number
FR6933045A
Other languages
French (fr)
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 FR2063018A1 publication Critical patent/FR2063018A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/027—Construction of the gun or parts thereof
FR6933045A 1968-09-26 1969-09-26 Withdrawn FR2063018A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76279768A 1968-09-26 1968-09-26

Publications (1)

Publication Number Publication Date
FR2063018A1 true FR2063018A1 (en) 1971-07-02

Family

ID=25066056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6933045A Withdrawn FR2063018A1 (en) 1968-09-26 1969-09-26

Country Status (5)

Country Link
US (1) US3648096A (en)
DE (1) DE1948820A1 (en)
FR (1) FR2063018A1 (en)
GB (1) GB1281913A (en)
NL (1) NL6914678A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299720A1 (en) * 1975-01-31 1976-08-27 Varian Associates CONTROL GRID ELECTRON SOURCE AND MANUFACTURING PROCESS
EP0028954A1 (en) * 1979-11-09 1981-05-20 Thomson-Csf Thermionic cathode, process for manufacturing it and electron tube incorporating such a cathode

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449796C3 (en) * 1974-10-19 1980-03-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Supply cathode for a grid-controlled electron tube and process for their manufacture
US4263528A (en) * 1978-05-03 1981-04-21 Varian Associates, Inc. Grid coating for thermionic electron emission suppression
EP0004424A1 (en) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionic cathode
US4250428A (en) * 1979-05-09 1981-02-10 The United States Of America As Represented By The Secretary Of The Army Bonded cathode and electrode structure with layered insulation, and method of manufacture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632135A (en) * 1920-04-01 1927-06-14 Western Electric Co Electrode structure for electron-discharge devices
NL6504397A (en) * 1965-04-07 1966-10-10

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299720A1 (en) * 1975-01-31 1976-08-27 Varian Associates CONTROL GRID ELECTRON SOURCE AND MANUFACTURING PROCESS
EP0028954A1 (en) * 1979-11-09 1981-05-20 Thomson-Csf Thermionic cathode, process for manufacturing it and electron tube incorporating such a cathode
FR2469792A1 (en) * 1979-11-09 1981-05-22 Thomson Csf THERMO-IONIC CATHODE, ITS MANUFACTURING METHOD, AND ELECTRONIC TUBE INCORPORATING SUCH A CATHODE

Also Published As

Publication number Publication date
NL6914678A (en) 1970-04-01
DE1948820A1 (en) 1970-04-02
GB1281913A (en) 1972-07-19
US3648096A (en) 1972-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse