JPS543462A - Stabilizing device of field discharge type electronic gun - Google Patents

Stabilizing device of field discharge type electronic gun

Info

Publication number
JPS543462A
JPS543462A JP6790077A JP6790077A JPS543462A JP S543462 A JPS543462 A JP S543462A JP 6790077 A JP6790077 A JP 6790077A JP 6790077 A JP6790077 A JP 6790077A JP S543462 A JPS543462 A JP S543462A
Authority
JP
Japan
Prior art keywords
type electronic
stabilizing device
discharge type
field discharge
electronic gun
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.)
Granted
Application number
JP6790077A
Other languages
Japanese (ja)
Other versions
JPS5760737B2 (en
Inventor
Norio Saito
Yoshihiko Yamamoto
Hiroshi Okano
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 JP6790077A priority Critical patent/JPS543462A/en
Publication of JPS543462A publication Critical patent/JPS543462A/en
Publication of JPS5760737B2 publication Critical patent/JPS5760737B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Cold Cathode And The Manufacture (AREA)

Abstract

PURPOSE: To obtain a field discharge chip which features a steady and large current by securing a quick carbon absorption to the tungsten through variation of the emitter temperature in thefform of the ratio function between the local current and the full discharge current.
COPYRIGHT: (C)1979,JPO&Japio
JP6790077A 1977-06-10 1977-06-10 Stabilizing device of field discharge type electronic gun Granted JPS543462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6790077A JPS543462A (en) 1977-06-10 1977-06-10 Stabilizing device of field discharge type electronic gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6790077A JPS543462A (en) 1977-06-10 1977-06-10 Stabilizing device of field discharge type electronic gun

Publications (2)

Publication Number Publication Date
JPS543462A true JPS543462A (en) 1979-01-11
JPS5760737B2 JPS5760737B2 (en) 1982-12-21

Family

ID=13358223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6790077A Granted JPS543462A (en) 1977-06-10 1977-06-10 Stabilizing device of field discharge type electronic gun

Country Status (1)

Country Link
JP (1) JPS543462A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5790558U (en) * 1980-11-25 1982-06-03
US5111053A (en) * 1990-02-19 1992-05-05 Seiko Instruments, Inc. Controlling a liquid metal ion source by analog feedback and digital CPU control

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60227921A (en) * 1984-04-26 1985-11-13 Aida Eng Ltd Metallic mold for rear extrusion
JPS60227922A (en) * 1984-04-26 1985-11-13 Aida Eng Ltd Metallic die for rear extrusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5790558U (en) * 1980-11-25 1982-06-03
US5111053A (en) * 1990-02-19 1992-05-05 Seiko Instruments, Inc. Controlling a liquid metal ion source by analog feedback and digital CPU control

Also Published As

Publication number Publication date
JPS5760737B2 (en) 1982-12-21

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