CH400381A - Emetteur d'electrons pour canon à électrons - Google Patents

Emetteur d'electrons pour canon à électrons

Info

Publication number
CH400381A
CH400381A CH568662A CH568662A CH400381A CH 400381 A CH400381 A CH 400381A CH 568662 A CH568662 A CH 568662A CH 568662 A CH568662 A CH 568662A CH 400381 A CH400381 A CH 400381A
Authority
CH
Switzerland
Prior art keywords
electron
emitter
gun
electron gun
electron emitter
Prior art date
Application number
CH568662A
Other languages
English (en)
Original Assignee
Welding Research 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
Priority claimed from US109575A external-priority patent/US3187216A/en
Application filed by Welding Research Inc filed Critical Welding Research Inc
Publication of CH400381A publication Critical patent/CH400381A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/067—Replacing parts of guns; Mutual adjustment of electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/065—Construction of guns or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/07—Eliminating deleterious effects due to thermal effects or electric or magnetic fields

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
CH568662A 1961-05-12 1962-05-11 Emetteur d'electrons pour canon à électrons CH400381A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US109575A US3187216A (en) 1961-05-12 1961-05-12 Electron gun having a releasably clamped electron emitting element
US112084A US3197669A (en) 1961-05-12 1961-05-23 Electron emitting element for electron gun
US380746A US3322930A (en) 1961-05-12 1964-07-07 Protective shield for electron gun

Publications (1)

Publication Number Publication Date
CH400381A true CH400381A (fr) 1965-10-15

Family

ID=27380688

Family Applications (2)

Application Number Title Priority Date Filing Date
CH565562A CH414876A (fr) 1961-05-12 1962-05-10 Canon à électrons
CH568662A CH400381A (fr) 1961-05-12 1962-05-11 Emetteur d'electrons pour canon à électrons

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH565562A CH414876A (fr) 1961-05-12 1962-05-10 Canon à électrons

Country Status (4)

Country Link
US (2) US3197669A (fr)
CH (2) CH414876A (fr)
DE (1) DE1232661B (fr)
GB (2) GB1009987A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396262A (en) * 1963-11-28 1968-08-06 Nippon Electric Co Means for observing electron beams
US3400243A (en) * 1964-08-10 1968-09-03 Mech Tronics Corp Electron beam welding machine
US3433923A (en) * 1964-08-10 1969-03-18 Mech Tronics Corp Electronic beam welding machine
US3433922A (en) * 1964-08-10 1969-03-18 Mech Tronics Corp Electron beam welding machine
US3428776A (en) * 1966-01-28 1969-02-18 Gen Electric Method and apparatus for extracting a charged particle beam into a higher pressure atmosphere
US3474220A (en) * 1967-05-17 1969-10-21 Webb James E Device for preventing high voltage arcing in electron beam welding
DE3333686A1 (de) * 1983-09-17 1985-04-04 Leybold-Heraeus GmbH, 5000 Köln Elektronenstrahlkanone zum erwaermen von materialien, insbesondere zum schweissen
DE3930203A1 (de) * 1989-09-09 1991-03-14 Ptr Praezisionstech Gmbh Katodenhalter fuer einen elektronenstrahlerzeuger
EP0417640B1 (fr) * 1989-09-09 1996-12-04 Ptr Präzisionstechnik Gmbh Support de cathode pour dispositif de production de faisceau d'élections
US5075532A (en) * 1990-06-19 1991-12-24 Jatco Corporation Spatter-free electron beam welding apparatus with spatter catching device associated therewith
DE4104845C5 (de) * 1991-02-16 2004-09-09 PTR Präzisionstechnik GmbH Elektronenstrahlerzeuger, insbesondere für eine Elektronenstrahlkanone

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB419727A (en) * 1932-04-22 1934-11-19 Loewe Opta Gmbh A braun tube for oscillographic and television purposes
BE473991A (fr) * 1941-06-24
US2501882A (en) * 1948-03-18 1950-03-28 Research Corp High-voltage high-vacuum acceleration tube
US2771568A (en) * 1951-01-31 1956-11-20 Zeiss Carl Utilizing electron energy for physically and chemically changing members
GB697823A (en) * 1951-07-30 1953-09-30 Vickers Electrical Co Ltd Improvements relating to electric discharge apparatus
US2727177A (en) * 1952-02-11 1955-12-13 Westinghouse Electric Corp Electrostatic lens system
DE1100835B (de) * 1952-03-01 1961-03-02 Zeiss Carl Fa Einrichtung zum Fraesen von Profilen, zum Schneiden von Schablonen oder zum Bohren von Duesenkanaelen mittels eines Ladungstraegerstrahles
DE1033816B (de) * 1952-07-25 1958-07-10 Zeiss Carl Fa Verfahren zum Bohren feiner Loecher
NL109549C (fr) * 1952-10-17
DE1036419B (de) * 1954-07-24 1958-08-14 Siemens Ag Elektronenquelle mit flaechenhafter Kathode fuer an der Pumpe arbeitende Elektronenstrahlgeraete
US2932588A (en) * 1955-07-06 1960-04-12 English Electric Valve Co Ltd Methods of manufacturing thin films of refractory dielectric materials
US3046936A (en) * 1958-06-04 1962-07-31 Nat Res Corp Improvement in vacuum coating apparatus comprising an ion trap for the electron gun thereof
DE1099659B (de) * 1958-08-30 1961-02-16 Zeiss Carl Fa Abschirmvorrichtung
GB872579A (en) * 1958-10-15 1961-07-12 Ass Elect Ind Improvements relating to electron gun assemblies
US3069584A (en) * 1959-07-29 1962-12-18 Jack W Frazer Method of making tungsten filaments
SU137604A1 (ru) * 1960-10-12 1960-11-30 О.К. Назаренко Устройство дл электронно-лучевой сварки

Also Published As

Publication number Publication date
US3197669A (en) 1965-07-27
DE1232661B (de) 1967-01-19
CH414876A (fr) 1966-06-15
GB1009987A (en) 1965-11-17
US3322930A (en) 1967-05-30
GB1009986A (en) 1965-11-17

Similar Documents

Publication Publication Date Title
BE617433A (fr) Canon à électrons
CH400381A (fr) Emetteur d'electrons pour canon à électrons
CH403104A (de) Elektronenstrahlkanone
FR1451976A (fr) Canon à électrons
FR1300240A (fr) Générateurs d'éclairs à tubes électroniques à décharge
FR1206099A (fr) Circuits à tubes multiplicateurs d'électrons
BE604265A (fr) Dispositifs à décharge d'électrons
FR1356812A (fr) Multiplicateur d'électrons
BE578808A (fr) Dispositifs à faisceaux d'électrons paramétriques.
FR1330180A (fr) émetteur d'électrons pour canon à électrons
BE617491A (fr) Emetteur d'électrons pour canon à électrons
BE610243A (fr) Ensemble cathode-grille pour canon électronique.
FR1173488A (fr) Canon à électrons
FR1354784A (fr) Canon à électrons
FR1156200A (fr) Tube à décharge d'électrons
FR1323202A (fr) Canon à électrons
FR1358834A (fr) Collier de déviation pour tubes à rayons cathodiques
FR1327675A (fr) Canon à électrons
FR1305069A (fr) Canon à électrons pour tubes cathodiques
FR1307697A (fr) Canon à électrons pour tubes à rayons cathodiques
FR1295280A (fr) Tube à décharge d'électrons
FR1354373A (fr) Canon à électrons
FR1344706A (fr) Canon à électrons
FR1541204A (fr) Canon à électrons perfectionné
FR1322728A (fr) Tubes à décharge à faisceaux d'électrons