JPH0166620U - - Google Patents

Info

Publication number
JPH0166620U
JPH0166620U JP1987163527U JP16352787U JPH0166620U JP H0166620 U JPH0166620 U JP H0166620U JP 1987163527 U JP1987163527 U JP 1987163527U JP 16352787 U JP16352787 U JP 16352787U JP H0166620 U JPH0166620 U JP H0166620U
Authority
JP
Japan
Prior art keywords
spacer
disk
annular body
disk substrates
hole
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
JP1987163527U
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 JP1987163527U priority Critical patent/JPH0166620U/ja
Publication of JPH0166620U publication Critical patent/JPH0166620U/ja
Pending legal-status Critical Current

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Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る光デイスクの全体を示す
断面図、第2図は同じく光デイスクのA部を拡大
して示す断面図、第3図は従来の光デイスクを示
す断面図である。 2,3……基板、2a,3a……透孔、4,5
……記録層、11……スペーサ、11a……透孔
、12……環状体、14,15……接合面、16
……環状溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. その中央部に透孔を有する円板状のスペーサと
    、このスペーサの両側に設けられかつ各々が前記
    スペーサを介して互いに対向する記録層を有する
    2つのデイスク用基板と、これらデイスク用基板
    の両外周縁を接合する接合面を有する環状体とを
    備え、この環状体の内周面に前記スペーサを支承
    する環状溝を形成したことを特徴とする光デイス
    ク。
JP1987163527U 1987-10-26 1987-10-26 Pending JPH0166620U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987163527U JPH0166620U (ja) 1987-10-26 1987-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987163527U JPH0166620U (ja) 1987-10-26 1987-10-26

Publications (1)

Publication Number Publication Date
JPH0166620U true JPH0166620U (ja) 1989-04-28

Family

ID=31448326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987163527U Pending JPH0166620U (ja) 1987-10-26 1987-10-26

Country Status (1)

Country Link
JP (1) JPH0166620U (ja)

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