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GB1020725A - Apparatus for welding by electronic bombardment - Google Patents

Apparatus for welding by electronic bombardment

Info

Publication number
GB1020725A
GB1020725A GB2039963A GB2039963A GB1020725A GB 1020725 A GB1020725 A GB 1020725A GB 2039963 A GB2039963 A GB 2039963A GB 2039963 A GB2039963 A GB 2039963A GB 1020725 A GB1020725 A GB 1020725A
Authority
GB
United Kingdom
Prior art keywords
pump
gun
welding
anode
insulator
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
GB2039963A
Other languages
English (en)
Inventor
Paul Thome
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1020725A publication Critical patent/GB1020725A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/065Construction of guns or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/075Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/18Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electron Sources, Ion Sources (AREA)
GB2039963A 1962-05-30 1963-05-22 Apparatus for welding by electronic bombardment Expired GB1020725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899323A FR1354784A (fr) 1962-05-30 1962-05-30 Canon à électrons

Publications (1)

Publication Number Publication Date
GB1020725A true GB1020725A (en) 1966-02-23

Family

ID=8780121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2039963A Expired GB1020725A (en) 1962-05-30 1963-05-22 Apparatus for welding by electronic bombardment

Country Status (5)

Country Link
BE (1) BE633078A (fr)
DE (1) DE1876616U (fr)
FR (1) FR1354784A (fr)
GB (1) GB1020725A (fr)
LU (1) LU43749A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5324950A (en) * 1991-07-18 1994-06-28 Hitachi, Ltd. Charged particle beam apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689225B1 (fr) * 1990-08-10 1999-12-22 Koninklijke Philips Electronics N.V. Dispositif à faisceau de particules chargées

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5324950A (en) * 1991-07-18 1994-06-28 Hitachi, Ltd. Charged particle beam apparatus

Also Published As

Publication number Publication date
FR1354784A (fr) 1964-03-13
DE1876616U (de) 1963-08-01
BE633078A (fr)
LU43749A1 (fr) 1963-07-15

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