JPH0398721U - - Google Patents

Info

Publication number
JPH0398721U
JPH0398721U JP723190U JP723190U JPH0398721U JP H0398721 U JPH0398721 U JP H0398721U JP 723190 U JP723190 U JP 723190U JP 723190 U JP723190 U JP 723190U JP H0398721 U JPH0398721 U JP H0398721U
Authority
JP
Japan
Prior art keywords
uneven structure
optical disk
magneto
expanded
substrate
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
JP723190U
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 JP723190U priority Critical patent/JPH0398721U/ja
Publication of JPH0398721U publication Critical patent/JPH0398721U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は凹凸構造面を有する単板型光磁気デイ
スクの部分拡大断面図、第2図は凹凸構造面を有
する光磁気デイスクを光磁気記録用ドライブに装
置した場合磁気ヘツドがデイスク面と接触した状
態を示した部分拡大断面図。 1,8……凹凸構造、2……溝、3,9……保
護膜、6,14……単板型の光磁気デイスク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 基板の記録膜成膜面側の最表面に凹凸構造を有
    すると同時に、この凹凸構造によつて表面積を拡
    大したことを特徴とする単板型の光磁気デイスク
JP723190U 1990-01-29 1990-01-29 Pending JPH0398721U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP723190U JPH0398721U (ja) 1990-01-29 1990-01-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP723190U JPH0398721U (ja) 1990-01-29 1990-01-29

Publications (1)

Publication Number Publication Date
JPH0398721U true JPH0398721U (ja) 1991-10-15

Family

ID=31510894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP723190U Pending JPH0398721U (ja) 1990-01-29 1990-01-29

Country Status (1)

Country Link
JP (1) JPH0398721U (ja)

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