JPS51137368A - Movable iris for electron microscope - Google Patents

Movable iris for electron microscope

Info

Publication number
JPS51137368A
JPS51137368A JP6096375A JP6096375A JPS51137368A JP S51137368 A JPS51137368 A JP S51137368A JP 6096375 A JP6096375 A JP 6096375A JP 6096375 A JP6096375 A JP 6096375A JP S51137368 A JPS51137368 A JP S51137368A
Authority
JP
Japan
Prior art keywords
electron microscope
iris
movable iris
movable
keep
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
JP6096375A
Other languages
Japanese (ja)
Inventor
Hirobumi Hashimoto
Teiji Katsuta
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 JP6096375A priority Critical patent/JPS51137368A/en
Publication of JPS51137368A publication Critical patent/JPS51137368A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make the iris movable toward electron bean axis and keep a constant contrast to change in acceleration voltage.
COPYRIGHT: (C)1976,JPO&Japio
JP6096375A 1975-05-23 1975-05-23 Movable iris for electron microscope Pending JPS51137368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6096375A JPS51137368A (en) 1975-05-23 1975-05-23 Movable iris for electron microscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6096375A JPS51137368A (en) 1975-05-23 1975-05-23 Movable iris for electron microscope

Publications (1)

Publication Number Publication Date
JPS51137368A true JPS51137368A (en) 1976-11-27

Family

ID=13157561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6096375A Pending JPS51137368A (en) 1975-05-23 1975-05-23 Movable iris for electron microscope

Country Status (1)

Country Link
JP (1) JPS51137368A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576559A (en) * 1978-12-01 1980-06-09 Chiyou Lsi Gijutsu Kenkyu Kumiai Electron beam fine adjusting device
JPS5857064U (en) * 1981-10-15 1983-04-18 株式会社明石製作所 Objective lens for electron beam equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576559A (en) * 1978-12-01 1980-06-09 Chiyou Lsi Gijutsu Kenkyu Kumiai Electron beam fine adjusting device
JPS6146934B2 (en) * 1978-12-01 1986-10-16 Cho Eru Esu Ai Gijutsu Kenkyu Kumiai
JPS5857064U (en) * 1981-10-15 1983-04-18 株式会社明石製作所 Objective lens for electron beam equipment

Similar Documents

Publication Publication Date Title
JPS521287A (en) Numeric value control device
JPS51137368A (en) Movable iris for electron microscope
JPS52123252A (en) Percent indicator
JPS5219882A (en) Digital method of setting position
JPS52143368A (en) Bellows
JPS5232525A (en) High voltage generator
JPS5237684A (en) Servomechanism
JPS51122373A (en) Electric microscope
JPS51134823A (en) Synchronous dynamotor
JPS5212252A (en) Process for electrostatic flocking
JPS51117568A (en) Electron gun for use in electron microscope
JPS51135647A (en) Movable draft stand for the copier
JPS5216176A (en) Ion driving device
JPS51124735A (en) A control apparatus for the fuel amount control apparatus
JPS51122800A (en) Material of high permeability
JPS5368328A (en) Electron advance device
JPS52593A (en) Movable picker pieces operating device in automatic packer
JPS5224537A (en) Slide preparing device
JPS52119059A (en) Electron gun device
JPS5270745A (en) Adjuster for sample position and inclination
JPS52153906A (en) 1-hexadecyne-6-one and its preparation
JPS5232555A (en) Constant voltage circuit with temperature characteristics variable
JPS523909A (en) Rotary engine
JPS5378038A (en) Powder arrester and its production method
JPS536224A (en) High permeability material