JPH0193624U - - Google Patents

Info

Publication number
JPH0193624U
JPH0193624U JP1987188300U JP18830087U JPH0193624U JP H0193624 U JPH0193624 U JP H0193624U JP 1987188300 U JP1987188300 U JP 1987188300U JP 18830087 U JP18830087 U JP 18830087U JP H0193624 U JPH0193624 U JP H0193624U
Authority
JP
Japan
Prior art keywords
air gap
air
optical recording
recording medium
ventilation passage
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
JP1987188300U
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 JP1987188300U priority Critical patent/JPH0193624U/ja
Publication of JPH0193624U publication Critical patent/JPH0193624U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の第一の実施例を示す断面図
、第2図はステージの斜視図、第3図はこの考案
の第二の実施例を示す断面図、第4図は従来例を
示す断面図である。 3,4……透明基板、7……エアーギヤツプ、
13……開閉手段、17……通気路、18……開
閉手段。

Claims (1)

    【実用新案登録請求の範囲】
  1. 2枚の透明基板をエアーギヤツプを介して対向
    させたエアーサンドイツチ型の光記録媒体におい
    て、前記エアーギヤツプ内を外気に連通させる通
    気路を形成し、通常時にこの通気路を遮断し媒体
    の駆動部材への装着により遮断状態を解除して前
    記エアーギヤツプを外気に連通させる開閉手段を
    設けたことを特徴とする光記録媒体。
JP1987188300U 1987-12-11 1987-12-11 Pending JPH0193624U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987188300U JPH0193624U (ja) 1987-12-11 1987-12-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987188300U JPH0193624U (ja) 1987-12-11 1987-12-11

Publications (1)

Publication Number Publication Date
JPH0193624U true JPH0193624U (ja) 1989-06-20

Family

ID=31479401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987188300U Pending JPH0193624U (ja) 1987-12-11 1987-12-11

Country Status (1)

Country Link
JP (1) JPH0193624U (ja)

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