JPS63130919U - - Google Patents

Info

Publication number
JPS63130919U
JPS63130919U JP1987020676U JP2067687U JPS63130919U JP S63130919 U JPS63130919 U JP S63130919U JP 1987020676 U JP1987020676 U JP 1987020676U JP 2067687 U JP2067687 U JP 2067687U JP S63130919 U JPS63130919 U JP S63130919U
Authority
JP
Japan
Prior art keywords
recording area
recording medium
track
hub
optical recording
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
JP1987020676U
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 JP1987020676U priority Critical patent/JPS63130919U/ja
Publication of JPS63130919U publication Critical patent/JPS63130919U/ja
Pending legal-status Critical Current

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  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る光記録媒体の
平面図、第2図はその要部拡大図、第3図は本考
案の他の実施例に係る光記録媒体の要部拡大図、
第4図は本考案に係る光記録媒体のハブ取付時に
用いられる装置の原理説明図、第5図は本考案の
さらに他の実施例に係る光記録媒体の平面図、第
6図はその要部拡大図である。 1…レプリカ、2…中心孔、3…非記録領域、
4…記録領域、5…トラツク、6…マーク、7,
9,17…溝、8…ハブ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内周部および外周部の非記録領域の間にトラツ
    クを形成してなる記録領域を設け、中心孔近傍に
    ハブを取り付けたデイスク状の光記録媒体におい
    て、上記非記録領域の一部に、上記トラツクと同
    心な円の周方向に延びて光学的読み取りが可能な
    ハブ心出し用のマークを設けたことを特徴とする
    光記録媒体。
JP1987020676U 1987-02-17 1987-02-17 Pending JPS63130919U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987020676U JPS63130919U (ja) 1987-02-17 1987-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987020676U JPS63130919U (ja) 1987-02-17 1987-02-17

Publications (1)

Publication Number Publication Date
JPS63130919U true JPS63130919U (ja) 1988-08-26

Family

ID=30816408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987020676U Pending JPS63130919U (ja) 1987-02-17 1987-02-17

Country Status (1)

Country Link
JP (1) JPS63130919U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100563883B1 (ko) * 1997-09-09 2006-05-25 소니 가부시끼 가이샤 광디스크및그제조방법,및광디스크기판스탬퍼제조방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814336A (ja) * 1981-07-20 1983-01-27 Toshiba Corp 情報記憶媒体およびその製造方法
JPS62128038A (ja) * 1985-11-28 1987-06-10 Matsushita Electric Ind Co Ltd 光デイスク基板

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814336A (ja) * 1981-07-20 1983-01-27 Toshiba Corp 情報記憶媒体およびその製造方法
JPS62128038A (ja) * 1985-11-28 1987-06-10 Matsushita Electric Ind Co Ltd 光デイスク基板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100563883B1 (ko) * 1997-09-09 2006-05-25 소니 가부시끼 가이샤 광디스크및그제조방법,및광디스크기판스탬퍼제조방법

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