GB1373103A - Electron beam apparatus - Google Patents

Electron beam apparatus

Info

Publication number
GB1373103A
GB1373103A GB5412671A GB5412671A GB1373103A GB 1373103 A GB1373103 A GB 1373103A GB 5412671 A GB5412671 A GB 5412671A GB 5412671 A GB5412671 A GB 5412671A GB 1373103 A GB1373103 A GB 1373103A
Authority
GB
United Kingdom
Prior art keywords
electron beam
cathode
held
beam apparatus
rod cathode
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
GB5412671A
Other languages
English (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.)
CBS Corp
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 GB1373103A publication Critical patent/GB1373103A/en
Expired legal-status Critical Current

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)
GB5412671A 1971-01-20 1971-11-22 Electron beam apparatus Expired GB1373103A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1373103A true GB1373103A (en) 1974-11-06

Family

ID=22319919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5412671A Expired GB1373103A (en) 1971-01-20 1971-11-22 Electron beam apparatus

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242591B2 (de) * 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
EP2729938B1 (de) * 2011-07-04 2018-02-14 Tetra Laval Holdings & Finance SA Kathodengehäuseaufhängung einer elektronenstrahlvorrichtung

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
JPS5332239Y2 (de) 1978-08-10
DE2201832A1 (de) 1972-08-03
JPS52106418U (de) 1977-08-13
CA953435A (en) 1974-08-20
BE778211A (fr) 1972-07-19
US3727093A (en) 1973-04-10

Similar Documents

Publication Publication Date Title
US2303166A (en) Electron discharge device
GB1416439A (en) Electron discharge device
GB725046A (en) Improvements in and relating to high pressure mercury vapour lamps
GB1373103A (en) Electron beam apparatus
GB1150516A (en) Cathode Electrode Structure
GB1216584A (en) Directly heated cathode
US3034012A (en) Electron gun assemblies
US2039100A (en) Electric discharge device
GB608677A (en) Improvements in gas-filled electron discharge devices
GB975023A (en) Cathode grid assembly for electron gun
GB1418039A (en) X-ray tubes
GB875272A (en) Electron discharge devices
US2039102A (en) Control system for gaseous discharge devices
GB1032208A (en) Improvements in or relating to electron discharge device
US2859273A (en) Insulated mounting
US3424936A (en) Metal sleeve ionization gauge having controlled spacing between grid and shield electrodes for optimization of sensitivity
GB1218667A (en) Electron discharge device heater
GB858417A (en) Improvements in x-ray tubes
GB808199A (en) Improvements in or relating to methods of relatively fixing in predetermined position one or more metallic electrodes, more particularly electrodes for cathode-ray tubes
GB1216583A (en) Resilient support means for directly heated cathode
GB379883A (en) Improvements in and relating to methods of hermetically sealing electric conductors into vitreous vessels
GB1025168A (en) Improvements relating to cathode assemblies for electric discharge tubes
GB867021A (en) Improvements relating to indirectly heated cathodes for electron discharge devices
GB1191466A (en) Glow-Discharge Character-Display Tube and Method of Manufacturing such a Tube.
GB1249637A (en) Metal-to-vitreous silica seal for lead-in wires rated for high current intensities and method of forming such seals

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee