FR2235755B1 - - Google Patents

Info

Publication number
FR2235755B1
FR2235755B1 FR7421993A FR7421993A FR2235755B1 FR 2235755 B1 FR2235755 B1 FR 2235755B1 FR 7421993 A FR7421993 A FR 7421993A FR 7421993 A FR7421993 A FR 7421993A FR 2235755 B1 FR2235755 B1 FR 2235755B1
Authority
FR
France
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
FR7421993A
Other languages
French (fr)
Other versions
FR2235755A1 (en
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2235755A1 publication Critical patent/FR2235755A1/fr
Application granted granted Critical
Publication of FR2235755B1 publication Critical patent/FR2235755B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/04—Electron-beam welding or cutting for welding annular seams
    • 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
    • H01J37/063—Geometrical arrangement of electrodes for beam-forming
    • 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
    • H01J37/09—Diaphragms; Shields associated with electron or ion-optical arrangements; Compensation of disturbing fields

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
FR7421993A 1973-07-04 1974-06-25 Welding tubular bodies - ring formed electrode surrounding tubes with interposed screen Granted FR2235755A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732334106 DE2334106A1 (de) 1973-07-04 1973-07-04 Vorrichtung zum verschweissen der stirnflaechen rohrfoermiger koerper, insbesondere von niob-kupfer-verbundrohren

Publications (2)

Publication Number Publication Date
FR2235755A1 FR2235755A1 (en) 1975-01-31
FR2235755B1 true FR2235755B1 (no) 1977-06-24

Family

ID=5885947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421993A Granted FR2235755A1 (en) 1973-07-04 1974-06-25 Welding tubular bodies - ring formed electrode surrounding tubes with interposed screen

Country Status (3)

Country Link
JP (1) JPS5038657A (no)
DE (1) DE2334106A1 (no)
FR (1) FR2235755A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8601421D0 (en) * 1986-01-21 1986-02-26 Welding Inst Charged particle beam generator
CN103170722B (zh) * 2013-04-11 2015-12-02 哈尔滨工业大学（威海） 一种薄壁铌材料构件环缝的电子束焊接方法
DE102013223517A1 (de) * 2013-11-19 2015-06-03 Siemens Aktiengesellschaft Elektronenkanone und Strahlungserzeugungsanlage
DE102013113688B3 (de) 2013-12-09 2015-05-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Beaufschlagen von Schüttgut mit beschleunigten Elektronen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518479A (en) * 1968-02-27 1970-06-30 United Aircraft Corp Apparatus for traversing a cold cathode discharge

Also Published As

Publication number Publication date
DE2334106A1 (de) 1975-01-16
JPS5038657A (no) 1975-04-10
FR2235755A1 (en) 1975-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse