JPH03106532U - - Google Patents

Info

Publication number
JPH03106532U
JPH03106532U JP1468190U JP1468190U JPH03106532U JP H03106532 U JPH03106532 U JP H03106532U JP 1468190 U JP1468190 U JP 1468190U JP 1468190 U JP1468190 U JP 1468190U JP H03106532 U JPH03106532 U JP H03106532U
Authority
JP
Japan
Prior art keywords
optical disks
glass master
master disk
auxiliary ring
outer periphery
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
JP1468190U
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 JP1468190U priority Critical patent/JPH03106532U/ja
Publication of JPH03106532U publication Critical patent/JPH03106532U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)

Description

【図面の簡単な説明】
第1図は、本考案の一実施例を示す断面図、第
2図は、本考案を説明するための部分断面図、第
3図a,bは、従来技術を説明するための概略構
成図、第4図a,b,cは、従来技術の現像方法
を説明するための説明図である。 1……ガラス原盤、2……シラン処理層、3…
…ホトレジスト、7……現像液、10……補助リ
ング。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光デイスクのマスタリング工程で使用するガラ
    ス原盤において、該ガラス原盤の外周部に補助リ
    ングを装着して現像処理を行うことを特徴とする
    光デイスク用ガラス原盤。
JP1468190U 1990-02-19 1990-02-19 Pending JPH03106532U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1468190U JPH03106532U (ja) 1990-02-19 1990-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1468190U JPH03106532U (ja) 1990-02-19 1990-02-19

Publications (1)

Publication Number Publication Date
JPH03106532U true JPH03106532U (ja) 1991-11-05

Family

ID=31518029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1468190U Pending JPH03106532U (ja) 1990-02-19 1990-02-19

Country Status (1)

Country Link
JP (1) JPH03106532U (ja)

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