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BE617433A - Electron gun - Google Patents

Electron gun

Info

Publication number
BE617433A
BE617433A BE617433A BE617433A BE617433A BE 617433 A BE617433 A BE 617433A BE 617433 A BE617433 A BE 617433A BE 617433 A BE617433 A BE 617433A BE 617433 A BE617433 A BE 617433A
Authority
BE
Belgium
Prior art keywords
electron gun
gun
electron
Prior art date
Application number
BE617433A
Other languages
French (fr)
Inventor
David Sciaky
Original Assignee
David Sciaky
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 David Sciaky filed Critical David Sciaky
Publication of BE617433A publication Critical patent/BE617433A/en

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 or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/07—Eliminating deleterious effects due to thermal effects or electric or magnetic fields
    • 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 or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/067—Replacing parts of guns; Mutual adjustment of electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
BE617433A 1961-05-12 1962-05-09 Electron gun BE617433A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE617433A true BE617433A (en) 1962-08-31

Family

ID=22328401

Family Applications (1)

Application Number Title Priority Date Filing Date
BE617433A BE617433A (en) 1961-05-12 1962-05-09 Electron gun

Country Status (2)

Country Link
US (1) US3187216A (en)
BE (1) BE617433A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400243A (en) * 1964-08-10 1968-09-03 Mech Tronics Corp Electron beam welding machine
US3433922A (en) * 1964-08-10 1969-03-18 Mech Tronics Corp Electron beam welding machine
US3433923A (en) * 1964-08-10 1969-03-18 Mech Tronics Corp Electronic beam welding machine
US3417222A (en) * 1965-03-01 1968-12-17 Gen Electric Apparatus for holding electrically non-conductive material and improving electron beam cutting thereof
US3329849A (en) * 1965-03-26 1967-07-04 Minnesota Mining & Mfg Electron gun apparatus with heat sink means for supporting filament and grid
GB1163530A (en) * 1965-12-14 1969-09-10 Steigerwald Strahltech Electron beam generating apparatus
US3437785A (en) * 1966-05-06 1969-04-08 Welding Research Inc Method for electron beam welding of overlapped sheets
US3435187A (en) * 1966-07-14 1969-03-25 Welding Research Inc Electron beam welding method with feed back control
US3474220A (en) * 1967-05-17 1969-10-21 Webb James E Device for preventing high voltage arcing in electron beam welding
US3541382A (en) * 1967-12-11 1970-11-17 Tokyo Shibaura Electric Co Direct heated cathode member for an electron tube
US3835327A (en) * 1972-05-08 1974-09-10 United Aircraft Corp Triode electron gun for electron beam machines
JPS5433512B2 (en) * 1972-05-22 1979-10-20
US4072356A (en) * 1975-01-24 1978-02-07 The Welding Institute Electron beam welding generators
FR2315766A1 (en) * 1975-06-23 1977-01-21 Sciaky Sa ELECTRON CANNON
DE2528032C2 (en) * 1975-06-24 1983-06-09 Leybold-Heraeus GmbH, 5000 Köln Electron beam generators for heating, melting and evaporation purposes
US4687902A (en) * 1985-08-06 1987-08-18 Leybold-Heraeus Gmbh Electron-beam welding apparatus
DE3534792A1 (en) * 1985-09-30 1987-04-02 Leybold Heraeus Gmbh & Co Kg ELECTRONIC RADIATOR WITH A DIRECTLY AND INDIRECTLY HEATABLE CATODE
DE3930202A1 (en) * 1989-09-09 1991-03-14 Ptr Praezisionstech Gmbh ELECTRONIC BEAM GENERATOR FOR AN ELECTRONIC BEAM CANNON
DE3930203A1 (en) * 1989-09-09 1991-03-14 Ptr Praezisionstech Gmbh CATODE HOLDER FOR AN ELECTRONIC RADIATOR
US6548946B1 (en) * 2000-11-02 2003-04-15 General Electric Company Electron beam generator
US8159118B2 (en) * 2005-11-02 2012-04-17 United Technologies Corporation Electron gun
GB2489493B (en) 2011-03-31 2013-03-13 Norsk Titanium Components As Method and arrangement for building metallic objects by solid freeform fabrication
CN109689267B (en) 2016-07-08 2022-02-25 挪威钛公司 Method and apparatus for building metal objects by solid freeform fabrication with two welding torches

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1991279A (en) * 1930-10-31 1935-02-12 Philips Nv Gas filled discharge tube
US2443632A (en) * 1946-04-16 1948-06-22 Samuel C Miller Braid shielding
GB805785A (en) * 1955-06-10 1958-12-10 English Electric Valve Co Ltd Improvements in or relating to electron gun structures for cathode ray tubes
US2932755A (en) * 1956-01-30 1960-04-12 Applied Radiation Corp Electron gun and cathode
US2887600A (en) * 1956-10-03 1959-05-19 Columbia Broadcasting Syst Inc Electron gun structure
GB872579A (en) * 1958-10-15 1961-07-12 Ass Elect Ind Improvements relating to electron gun assemblies

Also Published As

Publication number Publication date
US3187216A (en) 1965-06-01

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