JPS5267953A - Electronic lens - Google Patents

Electronic lens

Info

Publication number
JPS5267953A
JPS5267953A JP14474575A JP14474575A JPS5267953A JP S5267953 A JPS5267953 A JP S5267953A JP 14474575 A JP14474575 A JP 14474575A JP 14474575 A JP14474575 A JP 14474575A JP S5267953 A JPS5267953 A JP S5267953A
Authority
JP
Japan
Prior art keywords
electronic lens
magnetic field
reduction
well
outside
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
JP14474575A
Other languages
Japanese (ja)
Other versions
JPS561743B2 (en
Inventor
Akira Yonezawa
Takashi Yanaka
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.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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 Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Priority to JP14474575A priority Critical patent/JPS5267953A/en
Publication of JPS5267953A publication Critical patent/JPS5267953A/en
Publication of JPS561743B2 publication Critical patent/JPS561743B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To realize compact design through reduction of spherical aberration and outside-axis aberration as well as to secure practicality through optical selection of half-value width of magnetic field distribution by forming new gaps to both upper and lower electrodes.
COPYRIGHT: (C)1977,JPO&Japio
JP14474575A 1975-12-04 1975-12-04 Electronic lens Granted JPS5267953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14474575A JPS5267953A (en) 1975-12-04 1975-12-04 Electronic lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14474575A JPS5267953A (en) 1975-12-04 1975-12-04 Electronic lens

Publications (2)

Publication Number Publication Date
JPS5267953A true JPS5267953A (en) 1977-06-06
JPS561743B2 JPS561743B2 (en) 1981-01-14

Family

ID=15369364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14474575A Granted JPS5267953A (en) 1975-12-04 1975-12-04 Electronic lens

Country Status (1)

Country Link
JP (1) JPS5267953A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5876346U (en) * 1981-11-20 1983-05-23 アイダエンジニアリング株式会社 Transfer press material supply position adjustment device

Also Published As

Publication number Publication date
JPS561743B2 (en) 1981-01-14

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