BE778211A - Appareil a faisceau electronique - Google Patents

Appareil a faisceau electronique

Info

Publication number
BE778211A
BE778211A BE778211A BE778211A BE778211A BE 778211 A BE778211 A BE 778211A BE 778211 A BE778211 A BE 778211A BE 778211 A BE778211 A BE 778211A BE 778211 A BE778211 A BE 778211A
Authority
BE
Belgium
Prior art keywords
beam device
electronic beam
electronic
Prior art date
Application number
BE778211A
Other languages
English (en)
Inventor
J H Fink
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BE778211A publication Critical patent/BE778211A/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
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/301—Arrangements enabling beams to pass between regions of different pressure
    • 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
    • H01J37/065—Construction of guns or parts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Particle Accelerators (AREA)
BE778211A 1971-01-20 1972-01-19 Appareil a faisceau electronique BE778211A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10803971A 1971-01-20 1971-01-20

Publications (1)

Publication Number Publication Date
BE778211A true BE778211A (fr) 1972-07-19

Family

ID=22319919

Family Applications (1)

Application Number Title Priority Date Filing Date
BE778211A BE778211A (fr) 1971-01-20 1972-01-19 Appareil a faisceau electronique

Country Status (6)

Country Link
US (1) US3727093A (fr)
JP (1) JPS5332239Y2 (fr)
BE (1) BE778211A (fr)
CA (1) CA953435A (fr)
DE (1) DE2201832A1 (fr)
GB (1) GB1373103A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242591B2 (fr) * 1972-12-08 1977-10-25
US4496881A (en) * 1982-09-29 1985-01-29 Tetra Pak Developpement Sa Method of cold cathode replenishment in electron beam apparatus and replenishable cold cathode assembly
US4687964A (en) * 1985-05-09 1987-08-18 The United States Of America As Represented By The Administrator National Aeronautics & Space Administration Apparatus for mounting a field emission cathode
JP6181643B2 (ja) * 2011-07-04 2017-08-16 テトラ ラバル ホールディングス アンド ファイナンス エス エイ 電子ビーム装置のカソードハウジングサスペンション

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520674A (en) * 1922-04-10 1924-12-23 Eldridge Francis Layton Sparking plug
US1794950A (en) * 1922-11-07 1931-03-03 Westinghouse Electric & Mfg Co Vacuum-tube device
US2208406A (en) * 1938-08-17 1940-07-16 Westinghouse Electric & Mfg Co Cathode ray tube
US2455381A (en) * 1947-10-01 1948-12-07 Bell Telephone Labor Inc Cathode assembly for electron discharge devices
US2509053A (en) * 1947-11-08 1950-05-23 Bell Telephone Labor Inc Space current device employing mutually bombarded electrodes
US2602907A (en) * 1949-01-14 1952-07-08 Bell Telephone Labor Inc Filament mounting for high power electron discharge devices
US3268305A (en) * 1964-08-17 1966-08-23 Sylvania Electric Prod Composite wire
US3462635A (en) * 1966-10-24 1969-08-19 Ibm Holder for highly reactive cathodes of rare-earth borides such as lanthanum hexaboride,the holder provided with a cooling means opposite to the emissive end of the cathode in order to reduce tendency of holder deterioration

Also Published As

Publication number Publication date
JPS52106418U (fr) 1977-08-13
CA953435A (en) 1974-08-20
US3727093A (en) 1973-04-10
JPS5332239Y2 (fr) 1978-08-10
DE2201832A1 (de) 1972-08-03
GB1373103A (en) 1974-11-06

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