ES269986A1 - Mejoras introducidas en los calentadores catëdicos para tubos de descarga electrënica - Google Patents

Mejoras introducidas en los calentadores catëdicos para tubos de descarga electrënica

Info

Publication number
ES269986A1
ES269986A1 ES0269986A ES269986A ES269986A1 ES 269986 A1 ES269986 A1 ES 269986A1 ES 0269986 A ES0269986 A ES 0269986A ES 269986 A ES269986 A ES 269986A ES 269986 A1 ES269986 A1 ES 269986A1
Authority
ES
Spain
Prior art keywords
discharge devices
electron discharge
cathode heater
coating
insulating coating
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
ES0269986A
Other languages
English (en)
Spanish (es)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of ES269986A1 publication Critical patent/ES269986A1/es
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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters

Landscapes

  • Solid Thermionic Cathode (AREA)
ES0269986A 1960-08-19 1961-08-18 Mejoras introducidas en los calentadores catëdicos para tubos de descarga electrënica Expired ES269986A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50706A US3195004A (en) 1960-08-19 1960-08-19 Cathode heater for electron discharge devices

Publications (1)

Publication Number Publication Date
ES269986A1 true ES269986A1 (es) 1961-11-16

Family

ID=21966900

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0269986A Expired ES269986A1 (es) 1960-08-19 1961-08-18 Mejoras introducidas en los calentadores catëdicos para tubos de descarga electrënica

Country Status (5)

Country Link
US (1) US3195004A (fi)
DE (1) DE1141388B (fi)
ES (1) ES269986A1 (fi)
GB (1) GB922440A (fi)
NL (1) NL268393A (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246197A (en) * 1962-10-02 1966-04-12 Westinghouse Electric Corp Cathode heater having an aluminum oxide and tungesten coating
FR1355710A (fr) * 1963-02-06 1964-03-20 Radiotechnique Perfectionnement aux filaments de chauffage de cathodes pour tubes électroniques
DE1281039B (de) * 1963-09-25 1968-10-24 Telefunken Patent Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren
FR1398135A (fr) * 1964-03-27 1965-05-07 Commissariat Energie Atomique Procédé de stabilisation de sources thermoioniques et source thermoionique conforme à celles obtenues par application dudit procédé ou d'un procédé analogue
US3328201A (en) * 1964-04-27 1967-06-27 Rca Corp Heater for electron tubes
US3450565A (en) * 1964-12-18 1969-06-17 Sylvania Electric Prod Method of coating heater coils
US3737714A (en) * 1964-12-18 1973-06-05 Sylvania Electric Prod Dark coated heater for vacuum tube cathode
GB1129615A (en) * 1965-03-11 1968-10-09 English Electric Valve Co Ltd Improvements in or relating to electron discharge device cathodes
US3401297A (en) * 1965-08-23 1968-09-10 Varian Associates Thermionic cathodes for electron discharge devices with improved refractory metal heater wires
NL6512348A (fi) * 1965-09-23 1967-03-28
US3494779A (en) * 1965-09-29 1970-02-10 Ncr Co Oxygen-dominated phosphor films
DE1639016B1 (de) * 1967-03-07 1972-05-31 Varian Associates Verfahren zum herstellen von kathoden-heizern
US3500454A (en) * 1967-11-16 1970-03-10 Sylvania Electric Prod Insulator heater coating for heater-cathode assembly
DE2317446C3 (de) * 1973-04-06 1983-11-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zum Herstellen eines Heizelementes für eine indirekt geheizte Kathode
DE2317445C3 (de) * 1973-04-06 1982-09-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zum Herstellen eines Heizkörpers für eine indirekt geheizte Kathode
US4126489A (en) * 1973-07-17 1978-11-21 Varian Associates, Inc. Method of making cathode heaters
JPS5165861A (en) * 1974-12-05 1976-06-07 Sony Corp Toranjisutano baiasukairo
US10741351B1 (en) * 2019-08-01 2020-08-11 Lockheed Martin Corporation Multi-apertured conduction heater

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL38569C (fi) * 1933-06-24
US2724788A (en) * 1952-02-12 1955-11-22 Electrons Inc Indirectly heated cathode for gas tubes
US3029360A (en) * 1958-04-29 1962-04-10 Rca Corp Heater wire coating process
US3005926A (en) * 1959-05-22 1961-10-24 Westinghouse Electric Corp Cathode for electron discharge device
NL250741A (fi) * 1959-07-16

Also Published As

Publication number Publication date
NL268393A (fi)
DE1141388B (de) 1962-12-20
GB922440A (en) 1963-04-03
US3195004A (en) 1965-07-13

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