JPS6085724U - 光メモリ円板 - Google Patents

光メモリ円板

Info

Publication number
JPS6085724U
JPS6085724U JP1983178224U JP17822483U JPS6085724U JP S6085724 U JPS6085724 U JP S6085724U JP 1983178224 U JP1983178224 U JP 1983178224U JP 17822483 U JP17822483 U JP 17822483U JP S6085724 U JPS6085724 U JP S6085724U
Authority
JP
Japan
Prior art keywords
optical memory
memory disk
guide groove
centering
substrate
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
JP1983178224U
Other languages
English (en)
Inventor
賢司 太田
明 高橋
哲也 乾
日向　尊夫
山岡　秀嘉
Original Assignee
シャープ株式会社
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 by シャープ株式会社 filed Critical シャープ株式会社
Priority to JP1983178224U priority Critical patent/JPS6085724U/ja
Priority to CA000467714A priority patent/CA1224161A/en
Priority to US06/671,865 priority patent/US4658393A/en
Priority to DE8484307988T priority patent/DE3476482D1/de
Priority to EP84307988A priority patent/EP0145344B1/en
Publication of JPS6085724U publication Critical patent/JPS6085724U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は本考案に係る光メモリ円板の一実施例の構造を
示す一部正面図、第２図は製造装置の一例の構成説明図
、第３図は従来の光メモリ円板の斜視図、第４図は記録
再生装置の構成説明図、第５図は従来の光メモリ円板の
一部拡大断面図を示す。 図中、１：光メモリ円板、２：モーター、３：受は皿、
４：押え、５：レーザ光、６：集光レンズ、７：ガラス
基板、８：案内溝、９：記録媒体薄膜、１０ニガラス基
板、１１：記録媒体薄膜、１２：接着剤、１３：芯出し
治具、１４：芯出し用回転テーブル、１５：光メモリ用
板、１６：観察用光ビーム、１７：観察用対物レンズ。 第２図 第３図

Claims (1)

    【実用新案登録請求の範囲】
  1. 基板に同心円状若しくはらせん状の案内溝が形成された
    光メモリ円板において、前記基板の中心部位置に前記案
    内溝との間での正確な円芯出しが行なわれた芯出し治具
    が接着され、該芯出し治具を介して回転駆動がなされる
    ことを特徴と了る光メモリ円板。
JP1983178224U 1983-11-17 1983-11-17 光メモリ円板 Pending JPS6085724U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1983178224U JPS6085724U (ja) 1983-11-17 1983-11-17 光メモリ円板
CA000467714A CA1224161A (en) 1983-11-17 1984-11-13 Optical memory disc
US06/671,865 US4658393A (en) 1983-11-17 1984-11-15 Optical memory disc
DE8484307988T DE3476482D1 (en) 1983-11-17 1984-11-19 Optical memory disc
EP84307988A EP0145344B1 (en) 1983-11-17 1984-11-19 Optical memory disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983178224U JPS6085724U (ja) 1983-11-17 1983-11-17 光メモリ円板

Publications (1)

Publication Number Publication Date
JPS6085724U true JPS6085724U (ja) 1985-06-13

Family

ID=16044755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983178224U Pending JPS6085724U (ja) 1983-11-17 1983-11-17 光メモリ円板

Country Status (5)

Country Link
US (1) US4658393A (ja)
EP (1) EP0145344B1 (ja)
JP (1) JPS6085724U (ja)
CA (1) CA1224161A (ja)
DE (1) DE3476482D1 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3682985D1 (de) * 1985-08-30 1992-01-30 Sharp Kk Verfahren zur herstellung eines optischen verzeichniselementes.
NL8503411A (nl) * 1985-12-11 1987-07-01 Philips Nv Inrichting voor het bepalen van een centreringsfout van een ronde spoorvormige informatiestruktuur in een optische registratiedrager ten opzichte van de draaiingsas van een draaitafel waarop de registratiedrager is aangebracht, alsmede een apparaat voorzien van een dergelijke inrichting en een registratiedrager geschikt voor gebruik in deze inrichting.
KR900004661B1 (ko) * 1986-01-20 1990-07-02 가부시키가이샤 도시바 정보처리장치
JPH0454606Y2 (ja) * 1986-06-26 1992-12-22
WO1988000755A1 (en) * 1986-07-22 1988-01-28 Mitsubishi Denki Kabushiki Kaisha Optical disc
US4827468A (en) * 1986-09-30 1989-05-02 Kabushiki Kaisha Toshiba Information memory medium
NL8700703A (nl) * 1987-03-26 1988-10-17 Optical Storage Int Draaitafelinrichting voor een informatieplaat.
DE3719200A1 (de) * 1987-06-09 1988-12-29 Ibm Deutschland Optische speicherplatte und verfahren zu ihrer herstellung
EP0297910B1 (en) * 1987-07-01 1993-09-29 Sharp Kabushiki Kaisha An optical memory device
GB8728272D0 (en) * 1987-12-03 1988-01-06 Pilkington Plc Method of producing surface microstructure on glass
US5026510A (en) * 1988-03-17 1991-06-25 Canon Kabushiki Kaisha Mold for cast molding substrate having preformat with information pits and method of using same
JPH05225609A (ja) * 1992-02-06 1993-09-03 Tdk Corp 光ディスク用基板および光ディスク
DE4421034A1 (de) * 1994-06-16 1995-12-21 Ibm Rotierbare Platte zur Speicherung von Information
US6885627B1 (en) * 1997-03-25 2005-04-26 Hewlett-Packard Development Company, L.P. Write protect for rewritable compact disks and digital video disks
DE10064806A1 (de) * 2000-12-22 2002-07-18 Schott Glas Festplattensubstrat mit Spindel
US20050177434A1 (en) * 2004-02-06 2005-08-11 Davie Loren E. Method for marketing and organization of creative content over an online medium

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1885415A (en) * 1930-09-20 1932-11-01 Capehart Corp Flexible phonograph record holder
US2654816A (en) * 1951-10-31 1953-10-06 Proctor Electric Co Electric switch
US3915576A (en) * 1974-09-30 1975-10-28 Mca Disco Vision Method and apparatus for centering a circular disc
US4111430A (en) * 1976-12-10 1978-09-05 Microsonics Corporation Hand held record player with record holding attachment
JPS5786173A (en) * 1980-11-17 1982-05-29 Toshiba Corp Recorder and reproducer
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
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
US4480282A (en) * 1982-02-22 1984-10-30 Verbatim Corporation Stabilized locating ring for a flexible disk
NL8300478A (nl) * 1983-02-09 1984-09-03 Philips Nv Optisch uitleesbare geheugenschijf.
NL8300479A (nl) * 1983-02-09 1984-09-03 Philips Nv Optisch uitleesbare plaat.
JPH0636253B2 (ja) * 1983-08-18 1994-05-11 シャープ株式会社 光メモリ円板

Also Published As

Publication number Publication date
CA1224161A (en) 1987-07-14
EP0145344A1 (en) 1985-06-19
US4658393A (en) 1987-04-14
EP0145344B1 (en) 1989-01-25
DE3476482D1 (en) 1989-03-02

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