JPH0388252U - - Google Patents

Info

Publication number
JPH0388252U
JPH0388252U JP15280789U JP15280789U JPH0388252U JP H0388252 U JPH0388252 U JP H0388252U JP 15280789 U JP15280789 U JP 15280789U JP 15280789 U JP15280789 U JP 15280789U JP H0388252 U JPH0388252 U JP H0388252U
Authority
JP
Japan
Prior art keywords
ring
magnetic
outer peripheral
peripheral surface
shaped permanent
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
JP15280789U
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 JP15280789U priority Critical patent/JPH0388252U/ja
Publication of JPH0388252U publication Critical patent/JPH0388252U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図A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である。第1図B,C,
Dは、本考案の一実施例であるフオーカスマグネ
ツトの樹脂形状を示す図である。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縦
断面図である。 1……リング状永久磁石、2……磁性体、3…
…樹脂。

Claims (1)

    【実用新案登録請求の範囲】
  1. 軸方向に着磁されたリング状永久磁石と、前記
    リング状永久磁石の外周面に固着された磁性体と
    を有するフオーカスマグネツトを同極性の磁極が
    対向するようにした磁界集束方式のフオーカスマ
    グネツトにおいて、前記磁性体の外周面に樹脂を
    装着させたことを特徴とするフオーカスマグネツ
    ト。
JP15280789U 1989-12-26 1989-12-26 Pending JPH0388252U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15280789U JPH0388252U (ja) 1989-12-26 1989-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15280789U JPH0388252U (ja) 1989-12-26 1989-12-26

Publications (1)

Publication Number Publication Date
JPH0388252U true JPH0388252U (ja) 1991-09-10

Family

ID=31699048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15280789U Pending JPH0388252U (ja) 1989-12-26 1989-12-26

Country Status (1)

Country Link
JP (1) JPH0388252U (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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