NL6914678A - - Google Patents

Info

Publication number
NL6914678A
NL6914678A NL6914678A NL6914678A NL6914678A NL 6914678 A NL6914678 A NL 6914678A NL 6914678 A NL6914678 A NL 6914678A NL 6914678 A NL6914678 A NL 6914678A NL 6914678 A NL6914678 A NL 6914678A
Authority
NL
Netherlands
Application number
NL6914678A
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 filed Critical
Publication of NL6914678A publication Critical patent/NL6914678A/xx

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
NL6914678A 1968-09-26 1969-09-26 NL6914678A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL6914678A true NL6914678A (enrdf_load_stackoverflow) 1970-04-01

Family

ID=25066056

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6914678A NL6914678A (enrdf_load_stackoverflow) 1968-09-26 1969-09-26

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004424A1 (en) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionic cathode

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449796C3 (de) * 1974-10-19 1980-03-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorratskathode für eine gittergesteuerte Elektronenröhre und Verfahren zu ihrer Herstellung
US3967150A (en) * 1975-01-31 1976-06-29 Varian Associates Grid controlled electron source and method of making same
US4263528A (en) * 1978-05-03 1981-04-21 Varian Associates, Inc. Grid coating for thermionic electron emission suppression
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
FR2469792A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Cathode thermo-ionique, son procede de fabrication et tube electronique incorporant une telle cathode
RU2290713C1 (ru) * 2005-06-23 2006-12-27 Государственное унитарное предприятие "Всероссийский электротехнический институт им. В.И. Ленина" Пучково-плазменный свч-прибор

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 (enrdf_load_stackoverflow) * 1965-04-07 1966-10-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004424A1 (en) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionic cathode

Also Published As

Publication number Publication date
US3648096A (en) 1972-03-07
FR2063018A1 (enrdf_load_stackoverflow) 1971-07-02
GB1281913A (en) 1972-07-19
DE1948820A1 (de) 1970-04-02

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