JPS53135667A - Position detecting method of emitter - Google Patents

Position detecting method of emitter

Info

Publication number
JPS53135667A
JPS53135667A JP5057077A JP5057077A JPS53135667A JP S53135667 A JPS53135667 A JP S53135667A JP 5057077 A JP5057077 A JP 5057077A JP 5057077 A JP5057077 A JP 5057077A JP S53135667 A JPS53135667 A JP S53135667A
Authority
JP
Japan
Prior art keywords
emitter
detecting method
position detecting
converged
rapidly
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
JP5057077A
Other languages
Japanese (ja)
Inventor
Masahiro Okabe
Seigo Igaki
Noriaki Nakayama
Yasuo Furukawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5057077A priority Critical patent/JPS53135667A/en
Publication of JPS53135667A publication Critical patent/JPS53135667A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Electron Sources, Ion Sources (AREA)

Abstract

PURPOSE: To let a light beam be converged in the position where an emitter is disposed, detect the transmitted light and directly, readily, rapidly and accurately measure the position of the emitter from the output thereof in a position detecting method of emitter in an electron gun.
COPYRIGHT: (C)1978,JPO&Japio
JP5057077A 1977-04-30 1977-04-30 Position detecting method of emitter Pending JPS53135667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5057077A JPS53135667A (en) 1977-04-30 1977-04-30 Position detecting method of emitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5057077A JPS53135667A (en) 1977-04-30 1977-04-30 Position detecting method of emitter

Publications (1)

Publication Number Publication Date
JPS53135667A true JPS53135667A (en) 1978-11-27

Family

ID=12862653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5057077A Pending JPS53135667A (en) 1977-04-30 1977-04-30 Position detecting method of emitter

Country Status (1)

Country Link
JP (1) JPS53135667A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147946A (en) * 1982-02-25 1983-09-02 Toshiba Corp Electron gun unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147946A (en) * 1982-02-25 1983-09-02 Toshiba Corp Electron gun unit
JPS6322408B2 (en) * 1982-02-25 1988-05-11 Tokyo Shibaura Electric Co

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