DE3019684A1 - Protective device of a catode in electron radiators - Google Patents

Protective device of a catode in electron radiators

Info

Publication number
DE3019684A1
DE3019684A1 DE19803019684 DE3019684A DE3019684A1 DE 3019684 A1 DE3019684 A1 DE 3019684A1 DE 19803019684 DE19803019684 DE 19803019684 DE 3019684 A DE3019684 A DE 3019684A DE 3019684 A1 DE3019684 A1 DE 3019684A1
Authority
DE
Germany
Prior art keywords
catode
protective
electron radiators
radiators
electron
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.)
Withdrawn
Application number
DE19803019684
Other languages
German (de)
Inventor
Hans-Joachim Dipl Phys Doering
Jens Dipl Phys Jacob
Alfred Salwender
Karl-Heinz Schulz
Hans Zapfe
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
Jenoptik 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
Priority to DD21316279A priority Critical patent/DD143187A1/en
Application filed by Jenoptik Jena GmbH filed Critical Jenoptik Jena GmbH
Publication of DE3019684A1 publication Critical patent/DE3019684A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/84Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/484Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
DE19803019684 1979-05-28 1980-05-23 Protective device of a catode in electron radiators Withdrawn DE3019684A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD21316279A DD143187A1 (en) 1979-05-28 1979-05-28 Protection of a catode in electron beam instruments

Publications (1)

Publication Number Publication Date
DE3019684A1 true DE3019684A1 (en) 1980-12-04

Family

ID=5518347

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803019684 Withdrawn DE3019684A1 (en) 1979-05-28 1980-05-23 Protective device of a catode in electron radiators

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
JPS6019620B2 (en) 1985-05-17
JPS55161327A (en) 1980-12-15
GB2052847B (en) 1983-01-12
GB2052847A (en) 1981-01-28
DD143187A1 (en) 1980-08-06

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee