JPS55161327A - Cathode protecting unit for electron beam device - Google Patents

Cathode protecting unit for electron beam device

Info

Publication number
JPS55161327A
JPS55161327A JP7023480A JP7023480A JPS55161327A JP S55161327 A JPS55161327 A JP S55161327A JP 7023480 A JP7023480 A JP 7023480A JP 7023480 A JP7023480 A JP 7023480A JP S55161327 A JPS55161327 A JP S55161327A
Authority
JP
Japan
Prior art keywords
electron beam
beam device
protecting unit
cathode protecting
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.)
Granted
Application number
JP7023480A
Other languages
Japanese (ja)
Other versions
JPS6019620B2 (en
Inventor
Yoachimu Deeringu Hansu
Iensu Yakobu
Zarubendaa Arufureeto
Haintsu Shiyurutsu Kaaru
Tsuape Insu
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.)
Jenoptik AG
Original Assignee
Carl Zeiss Jena GmbH
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 Carl Zeiss Jena GmbH filed Critical Carl Zeiss Jena GmbH
Publication of JPS55161327A publication Critical patent/JPS55161327A/en
Publication of JPS6019620B2 publication Critical patent/JPS6019620B2/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
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP7023480A 1979-05-28 1980-05-28 Cathode protection device for electron beam equipment Expired JPS6019620B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD01J/21316 1979-05-28
DD21316279A DD143187A1 (en) 1979-05-28 1979-05-28 PROTECTION OF A CATODE IN ELECTRON BEAM INSTRUMENTS

Publications (2)

Publication Number Publication Date
JPS55161327A true JPS55161327A (en) 1980-12-15
JPS6019620B2 JPS6019620B2 (en) 1985-05-17

Family

ID=5518347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7023480A Expired JPS6019620B2 (en) 1979-05-28 1980-05-28 Cathode protection device for electron beam equipment

Country Status (4)

Country Link
JP (1) JPS6019620B2 (en)
DD (1) DD143187A1 (en)
DE (1) DE3019684A1 (en)
GB (1) GB2052847B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8600098A (en) * 1986-01-20 1987-08-17 Philips Nv CATHODE JET TUBE WITH ION TRAP.
DE4430534A1 (en) * 1994-08-27 1996-04-11 Hell Ag Linotype Electron beam generator
KR100447659B1 (en) * 2002-10-24 2004-09-07 엘지.필립스디스플레이(주) A Electron Gun for Color CRT
US8129910B2 (en) * 2009-06-23 2012-03-06 L-3 Communications Corporation Magnetically insulated cold-cathode electron gun

Also Published As

Publication number Publication date
GB2052847B (en) 1983-01-12
GB2052847A (en) 1981-01-28
DE3019684A1 (en) 1980-12-04
JPS6019620B2 (en) 1985-05-17
DD143187A1 (en) 1980-08-06

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