FR2052633A5 - - Google Patents

Info

Publication number
FR2052633A5
FR2052633A5 FR7022034A FR7022034A FR2052633A5 FR 2052633 A5 FR2052633 A5 FR 2052633A5 FR 7022034 A FR7022034 A FR 7022034A FR 7022034 A FR7022034 A FR 7022034A FR 2052633 A5 FR2052633 A5 FR 2052633A5
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
FR7022034A
Other languages
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
Varian Associates 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 Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of FR2052633A5 publication Critical patent/FR2052633A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Beam Exposure (AREA)
  • Cold Cathode And The Manufacture (AREA)
FR7022034A 1969-06-16 1970-06-16 Expired FR2052633A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83345869A 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
FR2052633A5 true FR2052633A5 (enrdf_load_stackoverflow) 1971-04-09

Family

ID=25264477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7022034A Expired FR2052633A5 (enrdf_load_stackoverflow) 1969-06-16 1970-06-16

Country Status (6)

Country Link
US (1) US3594885A (enrdf_load_stackoverflow)
JP (1) JPS5220817B1 (enrdf_load_stackoverflow)
CA (1) CA922878A (enrdf_load_stackoverflow)
DE (1) DE2029675A1 (enrdf_load_stackoverflow)
FR (1) FR2052633A5 (enrdf_load_stackoverflow)
GB (1) GB1264765A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299720A1 (fr) * 1975-01-31 1976-08-27 Varian Associates Source d'electrons a grille de commande et procede de fabrication

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843902A (en) * 1972-08-24 1974-10-22 Varian Associates Gridded convergent flow electron gun
DE2535467C2 (de) * 1975-08-08 1985-06-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Herstellen einer Kathode einer gittergesteuerten Leistungsröhre
US4583021A (en) * 1983-04-18 1986-04-15 Litton Systems, Inc. Electron gun with improved cathode and shadow grid configuration
JPS6273362U (enrdf_load_stackoverflow) * 1985-10-24 1987-05-11
US4734073A (en) * 1986-10-10 1988-03-29 The United States Of America As Represented By The Secretary Of The Army Method of making a thermionic field emitter cathode
FR2723502B1 (fr) * 1994-08-04 1997-01-10 Valeo Electronique Borne collectrice pour la mise en contact d'une pile pour l'alimentation d'un circuit electronique, circuit electronique et emetteur de telecommande l'incorporant
KR100782370B1 (ko) * 2006-08-04 2007-12-07 삼성전자주식회사 지연 전기장을 이용한 이온 에너지 분포 분석기에 근거한이온 분석 시스템
US7723699B2 (en) * 2007-06-26 2010-05-25 Varian Semiconductor Equipment Associates, Inc. Cathode having electron production and focusing grooves, ion source and related method
US7978804B2 (en) * 2007-12-10 2011-07-12 Schlumberger Technology Corporation Low power neutron generators
NL2014030B1 (en) * 2013-12-30 2016-01-08 Mapper Lithography Ip Bv Cathode arrangement, electron gun, and lithograpy system comprising such electron gun.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE550302A (enrdf_load_stackoverflow) * 1955-08-15
US3067486A (en) * 1957-06-20 1962-12-11 Itt Target electrode for barrier grid storage tube and method of making same
US2977496A (en) * 1958-12-04 1961-03-28 Machlett Lab Inc Electrode structure for electron tubes
US3139552A (en) * 1960-03-07 1964-06-30 Hughes Aircraft Co Charged particle gun with nonspherical emissive surface
NL283325A (enrdf_load_stackoverflow) * 1961-10-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299720A1 (fr) * 1975-01-31 1976-08-27 Varian Associates Source d'electrons a grille de commande et procede de fabrication

Also Published As

Publication number Publication date
CA922878A (en) 1973-03-20
JPS5220817B1 (enrdf_load_stackoverflow) 1977-06-06
DE2029675A1 (de) 1971-01-21
US3594885A (en) 1971-07-27
GB1264765A (enrdf_load_stackoverflow) 1972-02-23

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Legal Events

Date Code Title Description
ST Notification of lapse