JPS62164621U - - Google Patents

Info

Publication number
JPS62164621U
JPS62164621U JP5177886U JP5177886U JPS62164621U JP S62164621 U JPS62164621 U JP S62164621U JP 5177886 U JP5177886 U JP 5177886U JP 5177886 U JP5177886 U JP 5177886U JP S62164621 U JPS62164621 U JP S62164621U
Authority
JP
Japan
Prior art keywords
disc
optical
center hole
discs
water
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
JP5177886U
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 JP5177886U priority Critical patent/JPS62164621U/ja
Publication of JPS62164621U publication Critical patent/JPS62164621U/ja
Pending legal-status Critical Current

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  • Manufacturing Optical Record Carriers (AREA)

Description

【図面の簡単な説明】
第1図は、本考案の光デイスク製造用原盤の実
施例を示す縦断面図、第2図は従来の原盤の縦断
面図である。 1……吸水性円盤、2……ガラス円盤、3……
中心穴。

Claims (1)

    【実用新案登録請求の範囲】
  1. コンパクトデイスクや光メモリなどの光デイス
    クのマスタリングに使用される原盤において、中
    心穴を有し、吸水性を有する円盤と、中心穴を有
    するガラス円盤とを接合したことを特徴とする光
    デイスク製造用原盤。
JP5177886U 1986-04-07 1986-04-07 Pending JPS62164621U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5177886U JPS62164621U (ja) 1986-04-07 1986-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5177886U JPS62164621U (ja) 1986-04-07 1986-04-07

Publications (1)

Publication Number Publication Date
JPS62164621U true JPS62164621U (ja) 1987-10-19

Family

ID=30876353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5177886U Pending JPS62164621U (ja) 1986-04-07 1986-04-07

Country Status (1)

Country Link
JP (1) JPS62164621U (ja)

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