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JPS51124362A - Field emission type electron gun - Google Patents

Field emission type electron gun

Info

Publication number
JPS51124362A
JPS51124362A JP4867675A JP4867675A JPS51124362A JP S51124362 A JPS51124362 A JP S51124362A JP 4867675 A JP4867675 A JP 4867675A JP 4867675 A JP4867675 A JP 4867675A JP S51124362 A JPS51124362 A JP S51124362A
Authority
JP
Japan
Prior art keywords
electron gun
field emission
type electron
emission type
obtainable
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
JP4867675A
Other languages
Japanese (ja)
Inventor
Yoshio Hokotani
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
Priority to JP4867675A priority Critical patent/JPS51124362A/en
Publication of JPS51124362A publication Critical patent/JPS51124362A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

PURPOSE: To obtain a field emission type electron gun with which stable emission current is obtainable and deformation, damage, etc., of the cathode tip of which are minimal.
COPYRIGHT: (C)1976,JPO&Japio
JP4867675A 1975-04-23 1975-04-23 Field emission type electron gun Pending JPS51124362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4867675A JPS51124362A (en) 1975-04-23 1975-04-23 Field emission type electron gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4867675A JPS51124362A (en) 1975-04-23 1975-04-23 Field emission type electron gun

Publications (1)

Publication Number Publication Date
JPS51124362A true JPS51124362A (en) 1976-10-29

Family

ID=12809912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4867675A Pending JPS51124362A (en) 1975-04-23 1975-04-23 Field emission type electron gun

Country Status (1)

Country Link
JP (1) JPS51124362A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53139462A (en) * 1977-05-11 1978-12-05 Hitachi Ltd Field radiation type electronic gun
JPS62180943A (en) * 1986-02-05 1987-08-08 Natl Inst For Res In Inorg Mater Electric field radiation-type electron gun
JPH0422038A (en) * 1990-05-17 1992-01-27 Futaba Corp Electron emission device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53139462A (en) * 1977-05-11 1978-12-05 Hitachi Ltd Field radiation type electronic gun
JPS62180943A (en) * 1986-02-05 1987-08-08 Natl Inst For Res In Inorg Mater Electric field radiation-type electron gun
JPH0572697B2 (en) * 1986-02-05 1993-10-12 Kagaku Gijutsucho Mukizai
JPH0422038A (en) * 1990-05-17 1992-01-27 Futaba Corp Electron emission device

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