JPS58188958U - electrostatic electron lens - Google Patents

electrostatic electron lens

Info

Publication number
JPS58188958U
JPS58188958U JP8749582U JP8749582U JPS58188958U JP S58188958 U JPS58188958 U JP S58188958U JP 8749582 U JP8749582 U JP 8749582U JP 8749582 U JP8749582 U JP 8749582U JP S58188958 U JPS58188958 U JP S58188958U
Authority
JP
Japan
Prior art keywords
electron lens
electrode
electrostatic electron
pair
external electrodes
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
JP8749582U
Other languages
Japanese (ja)
Other versions
JPS6317156Y2 (en
Inventor
英夫 松本
Original Assignee
富士通株式会社
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 富士通株式会社 filed Critical 富士通株式会社
Priority to JP8749582U priority Critical patent/JPS58188958U/en
Publication of JPS58188958U publication Critical patent/JPS58188958U/en
Application granted granted Critical
Publication of JPS6317156Y2 publication Critical patent/JPS6317156Y2/ja
Granted legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の静電型電子レンズを説明するための要部
断面図、第２図及び第３図は本考案の一実施例を示す要
部断面図である。 図において、１，１′は外部電極、２は中心電極、４，
４′は中間電極を示す。FIG. 1 is a sectional view of a main part of a conventional electrostatic electron lens, and FIGS. 2 and 3 are sectional views of a main part of an embodiment of the present invention. In the figure, 1 and 1' are external electrodes, 2 is a center electrode, 4,
4' indicates an intermediate electrode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一対の外部電極と、該一対の外部電極の間に該一対の外
部電極と互いに絶縁されて配設された中心電極とを有し
、前記一対の外部電極と中心電極との間にそれぞれ中間
電極を付設し、該中間電極の電位が前記外部電極及び中
心電極の電位の中間の電位に保持されたことを特徴とす
る静電型電子レンズ。a pair of external electrodes; a center electrode disposed between the pair of external electrodes and insulated from each other; and an intermediate electrode between the pair of external electrodes and the center electrode. An electrostatic electron lens characterized in that the intermediate electrode is maintained at a potential intermediate between the external electrode and the center electrode.
JP8749582U 1982-06-11 1982-06-11 electrostatic electron lens Granted JPS58188958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8749582U JPS58188958U (en) 1982-06-11 1982-06-11 electrostatic electron lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8749582U JPS58188958U (en) 1982-06-11 1982-06-11 electrostatic electron lens

Publications (2)

Publication Number Publication Date
JPS58188958U true JPS58188958U (en) 1983-12-15
JPS6317156Y2 JPS6317156Y2 (en) 1988-05-16

Family

ID=30096205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8749582U Granted JPS58188958U (en) 1982-06-11 1982-06-11 electrostatic electron lens

Country Status (1)

Country Link
JP (1) JPS58188958U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50106558A (en) * 1974-01-22 1975-08-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50106558A (en) * 1974-01-22 1975-08-22

Also Published As

Publication number Publication date
JPS6317156Y2 (en) 1988-05-16

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