GB979622A - Improvements in or relating to electron beam generating systems - Google Patents

Improvements in or relating to electron beam generating systems

Info

Publication number
GB979622A
GB979622A GB10002/61A GB1000261A GB979622A GB 979622 A GB979622 A GB 979622A GB 10002/61 A GB10002/61 A GB 10002/61A GB 1000261 A GB1000261 A GB 1000261A GB 979622 A GB979622 A GB 979622A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
anode
cathode
aperture
electron beam
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
GB10002/61A
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.)
RTX Corp
Original Assignee
United Aircraft 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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of GB979622A publication Critical patent/GB979622A/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
    • H01J37/02—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
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0061—Tubes with discharge used as electron source

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Particle Accelerators (AREA)
  • Electron Beam Exposure (AREA)
GB10002/61A 1960-04-16 1961-03-20 Improvements in or relating to electron beam generating systems Expired GB979622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ7940A DE1117781B (de) 1960-04-16 1960-04-16 Elektronenstrahlerzeugungssystem und Verfahren zur Herstellung der Blendenoeffnung des Elektronenstrahlerzeugungssystems

Publications (1)

Publication Number Publication Date
GB979622A true GB979622A (en) 1965-01-06

Family

ID=7620324

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10002/61A Expired GB979622A (en) 1960-04-16 1961-03-20 Improvements in or relating to electron beam generating systems

Country Status (5)

Country Link
US (1) US3138736A (enrdf_load_stackoverflow)
CH (1) CH400384A (enrdf_load_stackoverflow)
DE (1) DE1117781B (enrdf_load_stackoverflow)
GB (1) GB979622A (enrdf_load_stackoverflow)
NL (1) NL263646A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389240A (en) * 1964-09-25 1968-06-18 Welding Research Inc Electron beam welding apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE438468A (enrdf_load_stackoverflow) * 1939-05-08
US2721972A (en) * 1952-08-04 1955-10-25 Rothstein Jerome High sensitivity ionization gauge
US2847597A (en) * 1955-11-25 1958-08-12 Sylvania Electric Prod Electron discharge device
US2887599A (en) * 1957-06-17 1959-05-19 High Voltage Engineering Corp Electron acceleration tube
NL242517A (enrdf_load_stackoverflow) * 1958-08-26

Also Published As

Publication number Publication date
US3138736A (en) 1964-06-23
CH400384A (de) 1965-10-15
NL263646A (enrdf_load_stackoverflow)
DE1117781B (de) 1961-11-23

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