JPH0384543U - - Google Patents

Info

Publication number
JPH0384543U
JPH0384543U JP14244489U JP14244489U JPH0384543U JP H0384543 U JPH0384543 U JP H0384543U JP 14244489 U JP14244489 U JP 14244489U JP 14244489 U JP14244489 U JP 14244489U JP H0384543 U JPH0384543 U JP H0384543U
Authority
JP
Japan
Prior art keywords
ring
magnet
shaped permanent
shaped
focus magnet
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
JP14244489U
Other languages
English (en)
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 filed Critical
Priority to JP14244489U priority Critical patent/JPH0384543U/ja
Publication of JPH0384543U publication Critical patent/JPH0384543U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は、本考案の一実施例であるフオーカス
マグネツトの縦断面図。第2図は、従来技術によ
り製造されたフオーカスマグネツトの断面図。 1…リング状永久磁石、2…リング状永久磁石
の生ずる磁束、3…磁性体、4…1,3で生ずる
磁束。

Claims (1)

    【実用新案登録請求の範囲】
  1. 2つのリング状永久磁石の同磁極が対向する磁
    界レンズ方式のフオーカスマグネツトにおいて、
    リング状永久磁石に、カツプ状の磁性体が固着さ
    れていることを特徴とするフオーカスマグネツト
JP14244489U 1989-12-08 1989-12-08 Pending JPH0384543U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14244489U JPH0384543U (ja) 1989-12-08 1989-12-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14244489U JPH0384543U (ja) 1989-12-08 1989-12-08

Publications (1)

Publication Number Publication Date
JPH0384543U true JPH0384543U (ja) 1991-08-27

Family

ID=31689270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14244489U Pending JPH0384543U (ja) 1989-12-08 1989-12-08

Country Status (1)

Country Link
JP (1) JPH0384543U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61151954A (ja) * 1984-12-25 1986-07-10 Sony Corp 陰極線管用磁界型レンズ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61151954A (ja) * 1984-12-25 1986-07-10 Sony Corp 陰極線管用磁界型レンズ装置

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