GB747707A - Improvements relating to electron guns - Google Patents

Improvements relating to electron guns

Info

Publication number
GB747707A
GB747707A GB7791/54A GB779154A GB747707A GB 747707 A GB747707 A GB 747707A GB 7791/54 A GB7791/54 A GB 7791/54A GB 779154 A GB779154 A GB 779154A GB 747707 A GB747707 A GB 747707A
Authority
GB
United Kingdom
Prior art keywords
pole pieces
anode
gun
diaphragm
tube
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
GB7791/54A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB747707A publication Critical patent/GB747707A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • H01J29/845—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection by means of magnetic systems

Landscapes

  • Physical Vapour Deposition (AREA)
GB7791/54A 1953-03-18 1954-03-17 Improvements relating to electron guns Expired GB747707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US343195A US2723362A (en) 1953-03-18 1953-03-18 Electron gun of the ion trap type

Publications (1)

Publication Number Publication Date
GB747707A true GB747707A (en) 1956-04-11

Family

ID=23345079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7791/54A Expired GB747707A (en) 1953-03-18 1954-03-17 Improvements relating to electron guns

Country Status (5)

Country Link
US (1) US2723362A (fr)
BE (1) BE527357A (fr)
FR (1) FR1104378A (fr)
GB (1) GB747707A (fr)
NL (1) NL87649C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL207373A (fr) * 1953-05-30
US3119988A (en) * 1955-12-01 1964-01-28 Leonard D Barry Magnetic recorder for symbols
US2964880A (en) * 1956-05-25 1960-12-20 Fivre Valvole Radio Elett Spa Process for preparing glass elements
US3027479A (en) * 1958-06-27 1962-03-27 Rca Corp Electron guns

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2188579A (en) * 1933-05-27 1940-01-30 Loewe Radio Inc Cathode ray tube, more particularly for television purposes
DE973258C (de) * 1938-03-08 1959-12-31 Siemens Ag Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen
BE470212A (fr) * 1946-01-24
US2496127A (en) * 1947-02-05 1950-01-31 Rca Corp Electron gun for cathode-ray tubes
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device

Also Published As

Publication number Publication date
US2723362A (en) 1955-11-08
BE527357A (fr)
NL87649C (fr)
FR1104378A (fr) 1955-11-18

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