JPS63142003U - - Google Patents

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Publication number
JPS63142003U
JPS63142003U JP3271987U JP3271987U JPS63142003U JP S63142003 U JPS63142003 U JP S63142003U JP 3271987 U JP3271987 U JP 3271987U JP 3271987 U JP3271987 U JP 3271987U JP S63142003 U JPS63142003 U JP S63142003U
Authority
JP
Japan
Prior art keywords
magneto
optical disk
heating
heating means
disk device
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
JP3271987U
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 JP3271987U priority Critical patent/JPS63142003U/ja
Publication of JPS63142003U publication Critical patent/JPS63142003U/ja
Pending legal-status Critical Current

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  • Recording Or Reproducing By Magnetic Means (AREA)

Description

【図面の簡単な説明】
第１図は本考案による光磁気デイスク装置の第
１実施例を示す概略的斜視図、第２図は本考案の
第２実施例を示す概略的斜視図、第３図は従来装
置を示す概略的斜視図、第４図は保磁力と温度と
の関係を示す略線図である。 １…光磁気デイスク、２…対物レンズ、３…対
物レンズ支持部材、４…ヒータ、５…光源、６…
集光レンズ。

Claims (1)

  1. 【実用新案登録請求の範囲】 光磁気デイスク上にレーザ光線を照射する第１
    の加熱手段によつて上記光磁気デイスクを加熱し
    、垂直磁化方向を可変させて情報の記録、消去を
    行う光磁気デイスク装置において、 上記光磁気デイスクを上記第１の加熱手段の加
    熱に加えて加熱する第２の加熱手段を設けたこと
    を特徴とする光磁気デイスク装置。
JP3271987U 1987-03-06 1987-03-06 Pending JPS63142003U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3271987U JPS63142003U (ja) 1987-03-06 1987-03-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3271987U JPS63142003U (ja) 1987-03-06 1987-03-06

Publications (1)

Publication Number Publication Date
JPS63142003U true JPS63142003U (ja) 1988-09-19

Family

ID=30839668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3271987U Pending JPS63142003U (ja) 1987-03-06 1987-03-06

Country Status (1)

Country Link
JP (1) JPS63142003U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271747A (ja) * 1987-04-30 1988-11-09 Fujitsu Ltd 光磁気デイスクへの情報記録方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271747A (ja) * 1987-04-30 1988-11-09 Fujitsu Ltd 光磁気デイスクへの情報記録方法

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