JPS63129273U - - Google Patents

Info

Publication number
JPS63129273U
JPS63129273U JP1987019629U JP1962987U JPS63129273U JP S63129273 U JPS63129273 U JP S63129273U JP 1987019629 U JP1987019629 U JP 1987019629U JP 1962987 U JP1962987 U JP 1962987U JP S63129273 U JPS63129273 U JP S63129273U
Authority
JP
Japan
Prior art keywords
recording medium
shaped signal
signal recording
thicker
disc
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
JP1987019629U
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 JP1987019629U priority Critical patent/JPS63129273U/ja
Publication of JPS63129273U publication Critical patent/JPS63129273U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第1図乃至第4図は本考案記録媒体の一例を示
す構成断面図、第5図は従来の光デイスクの一例
を示す構成断面図である。 1…デイスク本体、2…記録面、3…入射面、
4…係合穴、61…肉厚部、62…リング状突起
部、63…溝又は穴。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 信号を記録する記録面を有する円盤状信号
    記録媒体において、その最外周付近に厚みが他の
    部分に比較し大きい肉厚部を一体成形により構成
    したことを特徴とする円盤状信号記録媒体。 (2) 厚みを他の部分より大きく構成した肉厚部
    に、半径方向の溝又は穴を形成した実用新案登録
    請求の範囲第1項記載の円盤状信号記録媒体。
JP1987019629U 1987-02-12 1987-02-12 Pending JPS63129273U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987019629U JPS63129273U (ja) 1987-02-12 1987-02-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987019629U JPS63129273U (ja) 1987-02-12 1987-02-12

Publications (1)

Publication Number Publication Date
JPS63129273U true JPS63129273U (ja) 1988-08-24

Family

ID=30814396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987019629U Pending JPS63129273U (ja) 1987-02-12 1987-02-12

Country Status (1)

Country Link
JP (1) JPS63129273U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999010883A1 (fr) * 1997-08-22 1999-03-04 Tetsuya Oguchi Support d'enregistrement et procede de fabrication associe
JP2008004252A (ja) * 2006-05-26 2008-01-10 Tdk Corp 情報媒体用基板および情報媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999010883A1 (fr) * 1997-08-22 1999-03-04 Tetsuya Oguchi Support d'enregistrement et procede de fabrication associe
JP2008004252A (ja) * 2006-05-26 2008-01-10 Tdk Corp 情報媒体用基板および情報媒体

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