DE2425219A1 - Elektronenoptische vorrichtung, insbesondere bildverstaerker - Google Patents

Elektronenoptische vorrichtung, insbesondere bildverstaerker

Info

Publication number
DE2425219A1
DE2425219A1 DE19742425219 DE2425219A DE2425219A1 DE 2425219 A1 DE2425219 A1 DE 2425219A1 DE 19742425219 DE19742425219 DE 19742425219 DE 2425219 A DE2425219 A DE 2425219A DE 2425219 A1 DE2425219 A1 DE 2425219A1
Authority
DE
Germany
Prior art keywords
anode
cathode
concave
electrodes
semiconducting material
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.)
Pending
Application number
DE19742425219
Other languages
German (de)
English (en)
Inventor
Robert Evrard
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.)
South African Inventions Development Corp
Original Assignee
South African Inventions Development 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 South African Inventions Development Corp filed Critical South African Inventions Development Corp
Publication of DE2425219A1 publication Critical patent/DE2425219A1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC 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
    • H01J29/58Arrangements for focusing or reflecting ray or beam
    • H01J29/62Electrostatic lenses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/08Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/501Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/48Electron guns
    • H01J2229/4824Constructional arrangements of electrodes
    • H01J2229/4827Electrodes formed on surface of common cylindrical support

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Light Receiving Elements (AREA)
DE19742425219 1973-05-25 1974-05-24 Elektronenoptische vorrichtung, insbesondere bildverstaerker Pending DE2425219A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA733575 1973-05-25

Publications (1)

Publication Number Publication Date
DE2425219A1 true DE2425219A1 (de) 1974-12-12

Family

ID=25566378

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742425219 Pending DE2425219A1 (de) 1973-05-25 1974-05-24 Elektronenoptische vorrichtung, insbesondere bildverstaerker

Country Status (4)

Country Link
JP (1) JPS5042777A (enrdf_load_stackoverflow)
DE (1) DE2425219A1 (enrdf_load_stackoverflow)
FR (1) FR2231103A1 (enrdf_load_stackoverflow)
NL (1) NL7406901A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243912A (en) * 1979-08-28 1981-01-06 Rca Corporation Simplified resistive lens electron gun with compound linear voltage profile
GB8701289D0 (en) * 1987-01-21 1987-02-25 Philips Nv Electron beam device
DE8812346U1 (de) * 1988-09-29 1990-02-01 Siemens AG, 1000 Berlin und 8000 München Röntgenbildverstärker
JP4885800B2 (ja) * 2007-06-07 2012-02-29 日置電機株式会社 測定装置、測定用プローブおよび操作装置

Also Published As

Publication number Publication date
NL7406901A (enrdf_load_stackoverflow) 1974-11-27
FR2231103A1 (en) 1974-12-20
JPS5042777A (enrdf_load_stackoverflow) 1975-04-18

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