FR1262893A - Procédé de chauffage rapide de la cathode d'un tube électronique et dispositif utilisé - Google Patents

Procédé de chauffage rapide de la cathode d'un tube électronique et dispositif utilisé

Info

Publication number
FR1262893A
FR1262893A FR832812A FR832812A FR1262893A FR 1262893 A FR1262893 A FR 1262893A FR 832812 A FR832812 A FR 832812A FR 832812 A FR832812 A FR 832812A FR 1262893 A FR1262893 A FR 1262893A
Authority
FR
France
Prior art keywords
cathode
device used
electron tube
rapidly heating
rapidly
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
FR832812A
Other languages
English (en)
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.)
Varian Medical Systems Inc
Original Assignee
Eitel Mccullough Inc
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 Eitel Mccullough Inc filed Critical Eitel Mccullough Inc
Application granted granted Critical
Publication of FR1262893A publication Critical patent/FR1262893A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
    • 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
    • H01J1/135—Circuit arrangements therefor, e.g. for temperature control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
FR832812A 1959-07-16 1960-07-12 Procédé de chauffage rapide de la cathode d'un tube électronique et dispositif utilisé Expired FR1262893A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US827598A US2996643A (en) 1959-07-16 1959-07-16 Art of heating electron tube cathodes

Publications (1)

Publication Number Publication Date
FR1262893A true FR1262893A (fr) 1961-06-05

Family

ID=25249632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832812A Expired FR1262893A (fr) 1959-07-16 1960-07-12 Procédé de chauffage rapide de la cathode d'un tube électronique et dispositif utilisé

Country Status (5)

Country Link
US (1) US2996643A (es)
CH (1) CH366602A (es)
FR (1) FR1262893A (es)
GB (1) GB923183A (es)
NL (1) NL250741A (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268393A (es) * 1960-08-19
USRE32918E (en) * 1983-03-11 1989-05-09 Technion, Inc. Heater/emitter assembly
US4569198A (en) * 1983-03-11 1986-02-11 Technion, Incorporated Heater/emitter assembly
US4730449A (en) * 1983-07-26 1988-03-15 Technion, Inc. Radiation transfer thrusters for low thrust applications
US4675573A (en) * 1985-08-23 1987-06-23 Varian Associates, Inc. Method and apparatus for quickly heating a vacuum tube cathode
WO1988004468A1 (en) * 1986-12-12 1988-06-16 Hughes Aircraft Company Fast warm-up cathode arrangement
US5015908A (en) * 1989-01-23 1991-05-14 Varian Associates, Inc. Fast warm-up cathode for high power vacuum tubes
US7471035B2 (en) * 2003-08-21 2008-12-30 California Institute Of Technology Internal conductively-heated cathode
WO2008047269A2 (en) * 2006-10-17 2008-04-24 Philips Intellectual Property & Standards Gmbh Emitter for x-ray tubes and heating method therefore
RU2009133830A (ru) * 2009-09-10 2011-03-20 Роман Станиславович Холошенко (RU) Способ накопления электроэнергии за счет создания объемного заряда свободных электронов в вакууме и вакуумный конденсатор для его реализации
DE102016215375B4 (de) * 2016-08-17 2023-01-26 Siemens Healthcare Gmbh Thermionische Emissionsvorrichtung
DE102016215378B4 (de) * 2016-08-17 2023-05-11 Siemens Healthcare Gmbh Röntgenröhre und ein Röntgenstrahler mit der Röntgenröhre

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1787300A (en) * 1927-11-16 1930-12-30 Gen Electric Electric-discharge device
US1929369A (en) * 1931-09-30 1933-10-03 Gen Electric Electrical discharge device
US2509053A (en) * 1947-11-08 1950-05-23 Bell Telephone Labor Inc Space current device employing mutually bombarded electrodes
US2552047A (en) * 1949-04-19 1951-05-08 Rca Corp Electron discharge device with temperature-stabilized cathode
US2774916A (en) * 1951-06-09 1956-12-18 Siemens Ag Cathodes for electrical discharge devices

Also Published As

Publication number Publication date
US2996643A (en) 1961-08-15
NL250741A (es)
GB923183A (en) 1963-04-10
CH366602A (fr) 1963-01-15

Similar Documents

Publication Publication Date Title
FR1262893A (fr) Procédé de chauffage rapide de la cathode d'un tube électronique et dispositif utilisé
BE605956A (fr) Procédé et appareil d'échange de chaleur
FR1355897A (fr) Dispositif électronique à l'état solide, procédé de fabrication et appareil utilisant ce dispositif
FR1259201A (fr) Procédé de séparation et application de l'isobutylène
FR1286397A (fr) Procédé et appareil xérographiques
BE617837A (fr) Procédé et appareil cinématographique.
BE600842A (fr) Procédé et appareil électrochimique.
BE588183A (fr) Procédé et dispositif d'énsimage.
FR1200736A (fr) Procédé et dispositif d'équilibrage
BE578594A (fr) Procédé et appareil d'agglomérisation.
BE596149A (fr) Procédé et dispositif destinés à l'amélioration de la contexture des lingots pendant leur figement
BE590625A (fr) Procédé et appareil d'écroûtage thermo-chimique
FR1225512A (fr) Procédé et dispositif d'enrobage de tubes
FR70038E (fr) Dispositif et procédé d'intensification de l'énergie radiante
CH353572A (fr) Procédé et appareil d'hydro-culture
FR1265876A (fr) Procédé et appareil d'électrodialyse
FR1221003A (fr) Procédé et appareil d'écroûtage
BE574917A (fr) Procédé et appareil d'écroûtage.
CH367572A (fr) Dispositif d'évacuation de la chaleur libérée dans un tube électronique
CH462940A (fr) Procédé et dispositif de protection positive d'un tube électronique
FR1227744A (fr) Dispositif et procédé pour la fabrication de brosses
BE579084A (fr) Procédé et dispositif d'analyse spectroscopique.
FR71622E (fr) Dispositif et procédé d'intensification de l'énergie radiante
FR1230672A (fr) Procédé et dispositif <<pyrotron>> perfectionnés
FR1251287A (fr) Procédé et appareil d'oxycoupage à grande puissance