NL7411822A - Elektronen-emitterend materiaal. - Google Patents

Elektronen-emitterend materiaal.

Info

Publication number
NL7411822A
NL7411822A NL7411822A NL7411822A NL7411822A NL 7411822 A NL7411822 A NL 7411822A NL 7411822 A NL7411822 A NL 7411822A NL 7411822 A NL7411822 A NL 7411822A NL 7411822 A NL7411822 A NL 7411822A
Authority
NL
Netherlands
Prior art keywords
emitting material
electron emitting
electron
emitting
Prior art date
Application number
NL7411822A
Other languages
English (en)
Dutch (nl)
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 NL7411822A publication Critical patent/NL7411822A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details 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
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/148—Solid thermionic cathodes characterised by the material with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details 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
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/304—Field-emissive cathodes
NL7411822A 1973-09-05 1974-09-05 Elektronen-emitterend materiaal. NL7411822A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9923173A JPS5249305B2 (de) 1973-09-05 1973-09-05

Publications (1)

Publication Number Publication Date
NL7411822A true NL7411822A (nl) 1975-03-07

Family

ID=14241888

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7411822A NL7411822A (nl) 1973-09-05 1974-09-05 Elektronen-emitterend materiaal.

Country Status (4)

Country Link
US (1) US3932314A (de)
JP (1) JPS5249305B2 (de)
DE (1) DE2442537A1 (de)
NL (1) NL7411822A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055780A (en) * 1975-04-10 1977-10-25 National Institute For Researches In Inorganic Materials Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride
US4054946A (en) * 1976-09-28 1977-10-18 Bell Telephone Laboratories, Incorporated Electron source of a single crystal of lanthanum hexaboride emitting surface of (110) crystal plane
US4200555A (en) * 1978-07-27 1980-04-29 Bell Telephone Laboratories, Incorporated Low work function hexaboride electron source
US4260525A (en) * 1978-11-27 1981-04-07 Rca Corporation Single-crystal hexaborides and method of preparation
US4885211A (en) * 1987-02-11 1989-12-05 Eastman Kodak Company Electroluminescent device with improved cathode
JPH0736361B2 (ja) * 1989-03-22 1995-04-19 株式会社村田製作所 抵抗材料、その製造方法およびそれを用いた抵抗ペースト
US20050208218A1 (en) * 1999-08-21 2005-09-22 Ibadex Llc. Method for depositing boron-rich coatings
WO2008054451A2 (en) * 2006-02-06 2008-05-08 The University Of North Carolina At Chapel Hill Synthesis and processing of rare-earth boride nanowires as electron emitters
CN112723891B (zh) * 2021-01-27 2023-07-25 合肥工业大学 一种镧钙复合六硼化物多晶阴极材料及其制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312856A (en) * 1963-03-26 1967-04-04 Gen Electric Rhenium supported metallic boride cathode emitters
GB1232523A (de) * 1968-07-16 1971-05-19

Also Published As

Publication number Publication date
JPS5249305B2 (de) 1977-12-16
JPS5050856A (de) 1975-05-07
DE2442537A1 (de) 1975-05-07
US3932314A (en) 1976-01-13

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