JPH0418408B2 - - Google Patents

Info

Publication number
JPH0418408B2
JPH0418408B2 JP56137962A JP13796281A JPH0418408B2 JP H0418408 B2 JPH0418408 B2 JP H0418408B2 JP 56137962 A JP56137962 A JP 56137962A JP 13796281 A JP13796281 A JP 13796281A JP H0418408 B2 JPH0418408 B2 JP H0418408B2
Authority
JP
Japan
Prior art keywords
cathode
torr
crystal
electron gun
vacuum
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.)
Expired - Lifetime
Application number
JP56137962A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5840729A (ja
Inventor
Ryuichi Shimizu
Hirotoshi Hagiwara
Masaji Ishii
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP56137962A priority Critical patent/JPS5840729A/ja
Publication of JPS5840729A publication Critical patent/JPS5840729A/ja
Publication of JPH0418408B2 publication Critical patent/JPH0418408B2/ja
Granted legal-status Critical Current

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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electron Sources, Ion Sources (AREA)
JP56137962A 1981-09-02 1981-09-02 単結晶ランタンボライド陰極を備えた高輝度電子銃の処理方法 Granted JPS5840729A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56137962A JPS5840729A (ja) 1981-09-02 1981-09-02 単結晶ランタンボライド陰極を備えた高輝度電子銃の処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56137962A JPS5840729A (ja) 1981-09-02 1981-09-02 単結晶ランタンボライド陰極を備えた高輝度電子銃の処理方法

Publications (2)

Publication Number Publication Date
JPS5840729A JPS5840729A (ja) 1983-03-09
JPH0418408B2 true JPH0418408B2 (enrdf_load_stackoverflow) 1992-03-27

Family

ID=15210789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56137962A Granted JPS5840729A (ja) 1981-09-02 1981-09-02 単結晶ランタンボライド陰極を備えた高輝度電子銃の処理方法

Country Status (1)

Country Link
JP (1) JPS5840729A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001325910A (ja) * 2000-05-16 2001-11-22 Denki Kagaku Kogyo Kk 電子銃とその使用方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684841A (en) * 1979-12-13 1981-07-10 Denki Kagaku Kogyo Kk Electron gun
JPS5686433A (en) * 1979-12-17 1981-07-14 Denki Kagaku Kogyo Kk High brightness electron gun
JPS5691363A (en) * 1979-12-26 1981-07-24 Toshiba Corp Use of electron gun and electron beam device

Also Published As

Publication number Publication date
JPS5840729A (ja) 1983-03-09

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