JPS5593643A - Brightness controller in electron microscope - Google Patents

Brightness controller in electron microscope

Info

Publication number
JPS5593643A
JPS5593643A JP67279A JP67279A JPS5593643A JP S5593643 A JPS5593643 A JP S5593643A JP 67279 A JP67279 A JP 67279A JP 67279 A JP67279 A JP 67279A JP S5593643 A JPS5593643 A JP S5593643A
Authority
JP
Japan
Prior art keywords
magnification
brightness
maximum value
condenser lens
excitation current
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
JP67279A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0119225B2 (enrdf_load_stackoverflow
Inventor
Toshiyuki Ohashi
Masashi Kamimura
Moriki Kubozoe
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 JP67279A priority Critical patent/JPS5593643A/ja
Publication of JPS5593643A publication Critical patent/JPS5593643A/ja
Publication of JPH0119225B2 publication Critical patent/JPH0119225B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP67279A 1979-01-10 1979-01-10 Brightness controller in electron microscope Granted JPS5593643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP67279A JPS5593643A (en) 1979-01-10 1979-01-10 Brightness controller in electron microscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP67279A JPS5593643A (en) 1979-01-10 1979-01-10 Brightness controller in electron microscope

Publications (2)

Publication Number Publication Date
JPS5593643A true JPS5593643A (en) 1980-07-16
JPH0119225B2 JPH0119225B2 (enrdf_load_stackoverflow) 1989-04-11

Family

ID=11480225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP67279A Granted JPS5593643A (en) 1979-01-10 1979-01-10 Brightness controller in electron microscope

Country Status (1)

Country Link
JP (1) JPS5593643A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866244A (ja) * 1981-10-16 1983-04-20 Jeol Ltd 電子顕微鏡
JPS62110241A (ja) * 1985-11-07 1987-05-21 Univ Osaka 電子顕微鏡のプロ−ブ電流制御方法及び装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866244A (ja) * 1981-10-16 1983-04-20 Jeol Ltd 電子顕微鏡
JPS62110241A (ja) * 1985-11-07 1987-05-21 Univ Osaka 電子顕微鏡のプロ−ブ電流制御方法及び装置

Also Published As

Publication number Publication date
JPH0119225B2 (enrdf_load_stackoverflow) 1989-04-11

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