DE2442508A1 - Elektronenemissionsmaterial - Google Patents

Elektronenemissionsmaterial

Info

Publication number
DE2442508A1
DE2442508A1 DE2442508A DE2442508A DE2442508A1 DE 2442508 A1 DE2442508 A1 DE 2442508A1 DE 2442508 A DE2442508 A DE 2442508A DE 2442508 A DE2442508 A DE 2442508A DE 2442508 A1 DE2442508 A1 DE 2442508A1
Authority
DE
Germany
Prior art keywords
work function
electron emission
values
emission material
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.)
Pending
Application number
DE2442508A
Other languages
German (de)
English (en)
Inventor
Toshiyuki Aita
Yukio Honda
Ushio Kawabe
Shigehiko Yamamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE2442508A1 publication Critical patent/DE2442508A1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/30Cold cathodes, e.g. field-emissive cathode
    • H01J1/304Field-emissive cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • H01J1/148Solid thermionic cathodes characterised by the material with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Ceramic Products (AREA)
DE2442508A 1973-09-07 1974-09-05 Elektronenemissionsmaterial Pending DE2442508A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10020173A JPS5051660A (enrdf_load_stackoverflow) 1973-09-07 1973-09-07

Publications (1)

Publication Number Publication Date
DE2442508A1 true DE2442508A1 (de) 1975-04-24

Family

ID=14267675

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2442508A Pending DE2442508A1 (de) 1973-09-07 1974-09-05 Elektronenemissionsmaterial

Country Status (2)

Country Link
JP (1) JPS5051660A (enrdf_load_stackoverflow)
DE (1) DE2442508A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011013262A1 (de) 2011-03-07 2012-09-13 Adlantis Dortmund Gmbh Ionisationsquelle und Nachweisgerät für Spurengase

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1232523A (enrdf_load_stackoverflow) * 1968-07-16 1971-05-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011013262A1 (de) 2011-03-07 2012-09-13 Adlantis Dortmund Gmbh Ionisationsquelle und Nachweisgerät für Spurengase

Also Published As

Publication number Publication date
JPS5051660A (enrdf_load_stackoverflow) 1975-05-08

Similar Documents

Publication Publication Date Title
DE69706734T2 (de) Aluminiumnitrid-Sinterkörper, eingebetteter Metallgegenstand, Elektronikfunktionsmaterial und elektrostatische Einspannvorrichtung
DE3850285T2 (de) Verfahren zur Herstellung von dünnen supraleitenden Schichten.
DE69607192T2 (de) Lage empfindlicher hochanflösungs detektor für hohe flüsse ionisierender teilchen
DE68905888T2 (de) Leuchtendes, terbiumaktiviertes borat, leuchtschirm mit einem derartigen borat und niederdruckquecksilberdampfentladungslampe mit einem derartigen schirm.
DE10024236A1 (de) Keramikkondensator und Verfahren zu seiner Herstellung
DE112019006244T5 (de) UV-emittierender Leuchtstoff, Verfahren zum Herstellen desselben und UV-Anregungs-Lichtquelle
DE3026717A1 (de) Nachlieferungskathode
DE69613745T2 (de) Magnetisches Mikrowellenmaterial und Bauelement für Hochfrequenzschaltkreis unter Verwendung desselben
DE2734799A1 (de) Radiologischer bildverstaerker
DE3630983C2 (enrdf_load_stackoverflow)
DE2432503B2 (de) Elektrolumineszenzelement
DE69105103T2 (de) Niederdruckentladungslampe.
DE19913867B4 (de) Hochdruckdampf-Entladungslampe sowie Verwendung eines Kondensators in einer solchen Hochdruckdampf-Entladungslampe
DE19909087B4 (de) Halbleitende Keramik und daraus hergestelltes elektronisches Bauelement
DE69707247T2 (de) Keramischer vielschichtkondensator
DE1671173A1 (de) Dielektrikum mit hoher,temperaturbestaendiger Dielektrizitaetskonstante und Verfahren zu seiner Herstellung
DE2006639B2 (de) Verfahren zum herstellen einer keramik mit hoher ionenleitfaehigkeit
DE69016833T2 (de) Verfahren zum Herstellen von Molybdän-Platinoxyd-Elektroden für thermoelektrische Generatoren.
DE2442508A1 (de) Elektronenemissionsmaterial
DE2442537A1 (de) Kathodenmaterial
DE3444340C2 (enrdf_load_stackoverflow)
DE3855391T2 (de) Methode und Gerät zur Herstellung von supraleitenden keramischen Materialien
DE2012459A1 (de) Verfahren zur Herstellung einer Dotierungs st of f que He
DE3817319A1 (de) Verfahren zur herstellung von supraleitern
DE69402619T2 (de) Verfahren zum Herstellen einer Y-Ba-Cu-O supraleitenden Dünnschicht