JPS6261065U - - Google Patents

Info

Publication number
JPS6261065U
JPS6261065U JP1985150892U JP15089285U JPS6261065U JP S6261065 U JPS6261065 U JP S6261065U JP 1985150892 U JP1985150892 U JP 1985150892U JP 15089285 U JP15089285 U JP 15089285U JP S6261065 U JPS6261065 U JP S6261065U
Authority
JP
Japan
Prior art keywords
disk
flange
perforated boss
recording medium
disk base
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.)
Granted
Application number
JP1985150892U
Other languages
English (en)
Other versions
JPH0516691Y2 (ja
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 JP1985150892U priority Critical patent/JPH0516691Y2/ja
Publication of JPS6261065U publication Critical patent/JPS6261065U/ja
Application granted granted Critical
Publication of JPH0516691Y2 publication Critical patent/JPH0516691Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第１図は光メモリシステムの模式図であり、第
２図は従来例に係る光デイスクの平面図であり、
第３図は第２図の線―についての断面図であ
り、第４図は記録媒体の一例を示す断面図であり
そして第５図ないし第８図は本考案に係る光デイ
スクの断面図である。 １……光メモリデイスク、２……ターンテーブ
ル、３……モーター、４……光ピツクアツプ、５
……トラツク追跡機構、１２……デイスクベース
、１２ａ……中心穴、１３……記録媒体層、１４
ａ，１４ｂ……スペーサ、１５……ボス、１５′
……端面プレート、１６……磁性体、１７……つ
ば、１８……スペーサ、１９……突き出し部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内面に記録媒体層を形成した２枚のデイスクベ
    ースの中心孔を、つばを有する孔あきボスの外側
    円筒面に嵌合させそして該デイスクベースの内周
    部は該つばを介して一方該デイスクベースの外周
    部は円筒状のスペーサを介して一定間隔で対向配
    置し気密に一体化した光デイスクにおいて、前記
    孔あきボスの端面プレートが磁性体で形成されて
    いることを特徴とする、光デイスク。
JP1985150892U 1985-10-03 1985-10-03 Expired - Lifetime JPH0516691Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985150892U JPH0516691Y2 (ja) 1985-10-03 1985-10-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985150892U JPH0516691Y2 (ja) 1985-10-03 1985-10-03

Publications (2)

Publication Number Publication Date
JPS6261065U true JPS6261065U (ja) 1987-04-15
JPH0516691Y2 JPH0516691Y2 (ja) 1993-05-06

Family

ID=31067450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985150892U Expired - Lifetime JPH0516691Y2 (ja) 1985-10-03 1985-10-03

Country Status (1)

Country Link
JP (1) JPH0516691Y2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6394481A (ja) * 1986-10-08 1988-04-25 Canon Electronics Inc デイスクカセツト
JPS6450289A (en) * 1987-08-21 1989-02-27 Hitachi Ltd Optical disk with hub
JPH06295548A (ja) * 1994-03-14 1994-10-21 Hitachi Ltd 光ディスク
JPH09223334A (ja) * 1996-12-04 1997-08-26 Hitachi Ltd ディスク

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231411U (ja) * 1975-08-28 1977-03-05
JPS5756332U (ja) * 1980-09-17 1982-04-02
JPS57172541A (en) * 1981-04-15 1982-10-23 Toshiba Corp Information storage medium
JPS5968823A (ja) * 1982-10-12 1984-04-18 Canon Inc シ−トコア
JPS61214288A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd デイスクカ−トリツジ
JPS61214184A (ja) * 1985-03-19 1986-09-24 Hitachi Maxell Ltd 光デイスクカ−トリツジ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130156A (en) * 1977-04-21 1978-11-13 Iseki Agricult Mach Grainnbag holder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231411U (ja) * 1975-08-28 1977-03-05
JPS5756332U (ja) * 1980-09-17 1982-04-02
JPS57172541A (en) * 1981-04-15 1982-10-23 Toshiba Corp Information storage medium
JPS5968823A (ja) * 1982-10-12 1984-04-18 Canon Inc シ−トコア
JPS61214184A (ja) * 1985-03-19 1986-09-24 Hitachi Maxell Ltd 光デイスクカ−トリツジ
JPS61214288A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd デイスクカ−トリツジ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6394481A (ja) * 1986-10-08 1988-04-25 Canon Electronics Inc デイスクカセツト
JPS6450289A (en) * 1987-08-21 1989-02-27 Hitachi Ltd Optical disk with hub
JPH06295548A (ja) * 1994-03-14 1994-10-21 Hitachi Ltd 光ディスク
JPH09223334A (ja) * 1996-12-04 1997-08-26 Hitachi Ltd ディスク

Also Published As

Publication number Publication date
JPH0516691Y2 (ja) 1993-05-06

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