JPS6251528U - - Google Patents

Info

Publication number
JPS6251528U
JPS6251528U JP1985142804U JP14280485U JPS6251528U JP S6251528 U JPS6251528 U JP S6251528U JP 1985142804 U JP1985142804 U JP 1985142804U JP 14280485 U JP14280485 U JP 14280485U JP S6251528 U JPS6251528 U JP S6251528U
Authority
JP
Japan
Prior art keywords
disk
flange
outer circumferential
circumferential portions
perforated boss
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
JP1985142804U
Other languages
English (en)
Other versions
JPH0418083Y2 (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 JP1985142804U priority Critical patent/JPH0418083Y2/ja
Publication of JPS6251528U publication Critical patent/JPS6251528U/ja
Application granted granted Critical
Publication of JPH0418083Y2 publication Critical patent/JPH0418083Y2/ja
Expired 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、14a,14b…スペ
ーサ、15…ボス、16…磁性体、17…つば、
18…スペーサ。

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
    孔あきボスの内周部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。
JP1985142804U 1985-09-20 1985-09-20 Expired JPH0418083Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985142804U JPH0418083Y2 (ja) 1985-09-20 1985-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985142804U JPH0418083Y2 (ja) 1985-09-20 1985-09-20

Publications (2)

Publication Number Publication Date
JPS6251528U true JPS6251528U (ja) 1987-03-31
JPH0418083Y2 JPH0418083Y2 (ja) 1992-04-22

Family

ID=31051879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985142804U Expired JPH0418083Y2 (ja) 1985-09-20 1985-09-20

Country Status (1)

Country Link
JP (1) JPH0418083Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08227537A (ja) * 1995-12-18 1996-09-03 Hitachi Ltd ディスク

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756332U (ja) * 1980-09-17 1982-04-02
JPS57149595U (ja) * 1981-03-16 1982-09-20

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756332U (ja) * 1980-09-17 1982-04-02
JPS57149595U (ja) * 1981-03-16 1982-09-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08227537A (ja) * 1995-12-18 1996-09-03 Hitachi Ltd ディスク

Also Published As

Publication number Publication date
JPH0418083Y2 (ja) 1992-04-22

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