JPH0376223U - - Google Patents

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Publication number
JPH0376223U
JPH0376223U JP1989136501U JP13650189U JPH0376223U JP H0376223 U JPH0376223 U JP H0376223U JP 1989136501 U JP1989136501 U JP 1989136501U JP 13650189 U JP13650189 U JP 13650189U JP H0376223 U JPH0376223 U JP H0376223U
Authority
JP
Japan
Prior art keywords
optical disk
protrusions
sectional
protrusion
view
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
JP1989136501U
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 JP1989136501U priority Critical patent/JPH0376223U/ja
Publication of JPH0376223U publication Critical patent/JPH0376223U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す光デイスク基
板の外周突起部の拡大断面図、第2図はその内周
突起部の拡大断面図、第3図は本考案の別の実施
例を示す光デイスク基板の外周突起部の拡大断面
図、第4図はその内周突起部の拡大断面図、第5
図は従来の基板・スペーサー体型光デイスクの概
略の構成を示す断面図、第6図はその外周突起部
の拡大断面図、第7図はその内周突起部の拡大断
面図である。 1……光デイスク、2……外周突起部、3……
内周突起部、4……中心穴、5……デイスク基板
、6……記録部、7……外周接着面、8……内周
接着面、9……溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 基板の内・外周部に突起部を設けスペーサーと
    した基板・スペーサー体型基板を2枚用い、記録
    部を内側にしてエアーサンドイツチ構造をとる光
    デイスクにおいて、突起部接着面に周方向の溝を
    設けたことを特徴とする光デイスク用基板。
JP1989136501U 1989-11-25 1989-11-25 Pending JPH0376223U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989136501U JPH0376223U (ja) 1989-11-25 1989-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989136501U JPH0376223U (ja) 1989-11-25 1989-11-25

Publications (1)

Publication Number Publication Date
JPH0376223U true JPH0376223U (ja) 1991-07-31

Family

ID=31683703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989136501U Pending JPH0376223U (ja) 1989-11-25 1989-11-25

Country Status (1)

Country Link
JP (1) JPH0376223U (ja)

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