ATE156624T1 - Optische platte und verfahren zur herstellung einer solchen optischen platte - Google Patents

Optische platte und verfahren zur herstellung einer solchen optischen platte

Info

Publication number
ATE156624T1
ATE156624T1 AT92304548T AT92304548T ATE156624T1 AT E156624 T1 ATE156624 T1 AT E156624T1 AT 92304548 T AT92304548 T AT 92304548T AT 92304548 T AT92304548 T AT 92304548T AT E156624 T1 ATE156624 T1 AT E156624T1
Authority
AT
Austria
Prior art keywords
base plate
optical disc
disc base
disc
recess
Prior art date
Application number
AT92304548T
Other languages
English (en)
Inventor
Kenji Takahashi
Kitashinagawa
Katsuaki Tsurushima
Tadao Yoshida
Kazuhiko Fujiie
Hirotoshi Fujisawa
Hiroshi Mukawa
Original Assignee
Sony Corp
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
Priority claimed from JP3154052A external-priority patent/JP2959197B2/ja
Priority claimed from JP3214104A external-priority patent/JP3072658B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE156624T1 publication Critical patent/ATE156624T1/de

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
    • 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
    • G11B7/24003—Shapes of record carriers other than disc shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
AT92304548T 1991-05-29 1992-05-20 Optische platte und verfahren zur herstellung einer solchen optischen platte ATE156624T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3154052A JP2959197B2 (ja) 1991-05-29 1991-05-29 情報信号記録用のディスク
JP3214104A JP3072658B2 (ja) 1991-07-17 1991-07-17 情報信号記録ディスク

Publications (1)

Publication Number Publication Date
ATE156624T1 true ATE156624T1 (de) 1997-08-15

Family

ID=26482477

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92304548T ATE156624T1 (de) 1991-05-29 1992-05-20 Optische platte und verfahren zur herstellung einer solchen optischen platte

Country Status (7)

Country Link
US (1) US5859834A (de)
EP (1) EP0516329B1 (de)
KR (1) KR100268137B1 (de)
AT (1) ATE156624T1 (de)
AU (1) AU665947B2 (de)
CA (1) CA2069381C (de)
DE (1) DE69221388T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU662745B2 (en) * 1991-07-31 1995-09-14 Sony Corporation Disc cartridge
JP2821060B2 (ja) * 1992-06-03 1998-11-05 シャープ株式会社 光ディスクカートリッジ
US6154441A (en) * 1997-04-17 2000-11-28 Imation Corp. Method for centering a hub in an optical disc, and an optical storage system using such disc
US6002663A (en) 1997-04-17 1999-12-14 Imation Corp. Hubless optical disc having low radial runout and method of manufacture
US6122145A (en) * 1997-10-15 2000-09-19 B.E. Technology, Llc Computer diskette with insertable multi-piece media
US6147962A (en) * 1997-11-26 2000-11-14 Srinivasan; Thiruppathy Data storage cartridge having a restraining mechanism
JP2001006210A (ja) * 1999-06-22 2001-01-12 Sony Corp 光記録媒体及びディスクカートリッジ
US6495235B2 (en) * 2000-03-24 2002-12-17 Matsushita Electric Industrial Co., Ltd. Optical disk, substrate of the same, and mold for forming the substrate
US6817026B2 (en) * 2000-04-28 2004-11-09 Dphi Acquisitions, Inc. Magnetic hub assembly for data storage disk
US6690642B2 (en) * 2000-05-17 2004-02-10 Computech International Ventures Limited Optical disk
JP2002170279A (ja) * 2000-11-30 2002-06-14 Sony Corp 光学記録媒体およびその製造方法、ならびに射出成形装置
JP2002313001A (ja) * 2001-04-13 2002-10-25 Sony Corp ディスク記録再生装置及び記録再生用ディスク
US7263706B2 (en) * 2002-02-19 2007-08-28 Samsung Electronics Co., Ltd. Disk cartridge and disk player using the same
JP4355145B2 (ja) * 2002-02-26 2009-10-28 三菱化学メディア株式会社 センタリングのための孔を有するカートリッジ型記録媒体
WO2004013856A1 (ja) * 2002-08-06 2004-02-12 Matsushita Electric Industrial Co., Ltd. 光ディスク媒体及びハブ
KR100499479B1 (ko) * 2002-09-10 2005-07-05 엘지전자 주식회사 고밀도 광디스크 구조
JP4080941B2 (ja) * 2003-04-24 2008-04-23 Ｔｄｋ株式会社 情報記録媒体用中間体、情報記録媒体の製造方法および情報記録媒体の製造装置
JP2005116043A (ja) * 2003-10-07 2005-04-28 Tdk Corp ディスクカートリッジ
US7757247B2 (en) * 2004-12-08 2010-07-13 Electronics And Telecommunications Research Institute Small form factor optical/magnetic disk for information storage
US20100220582A1 (en) * 2007-03-06 2010-09-02 Andrei Vladimirovich Tropillo Disc-shaped information-carrying medium

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011147A (ja) * 1983-06-30 1985-01-21 Toshiba Corp 表面検査装置
JPS6035385A (ja) * 1983-08-03 1985-02-23 Hitachi Maxell Ltd デイスクカ−トリツジ
JPS626476A (ja) * 1985-07-02 1987-01-13 Kasei Baabeitamu Kk 補強リング貼付け装置
US4733388A (en) * 1985-08-23 1988-03-22 Hitachi Maxell, Ltd. Information recording disc
JPH0810497B2 (ja) * 1985-08-23 1996-01-31 株式会社日立製作所 光ディスク記録媒体、その装着方法、および光ディスク装置
US4797764A (en) * 1986-01-27 1989-01-10 Minnesota Mining And Manufacturing Company Recording disk with low total indicated runout
JPS62192945A (ja) * 1986-02-20 1987-08-24 Sony Corp 情報デイスク
JPH0454606Y2 (de) * 1986-06-26 1992-12-22
KR910008504B1 (ko) * 1986-07-22 1991-10-18 미쓰비시덴기 가부시기가이샤 광디스크
JPS6356889A (ja) * 1986-08-27 1988-03-11 Seiko Epson Corp フレキシブルデイスクカ−トリツジ
US4827468A (en) * 1986-09-30 1989-05-02 Kabushiki Kaisha Toshiba Information memory medium
JPH07122969B2 (ja) * 1986-11-05 1995-12-25 株式会社東芝 情報記憶媒体
JPS647391A (en) * 1987-03-16 1989-01-11 Pioneer Electronic Corp Optical information disk
US4944982A (en) * 1988-04-04 1990-07-31 Fuji Photo Film Co., Ltd. Information recording medium having magnetizable hub
JPH0229981A (ja) * 1988-07-18 1990-01-31 Fuji Photo Film Co Ltd 情報記録媒体の製造方法
JP2592347B2 (ja) * 1990-08-15 1997-03-19 富士写真フイルム株式会社 磁気ディスクカートリッジの組立装置及び製造方法
JP3072658B2 (ja) * 1991-07-17 2000-07-31 ソニー株式会社 情報信号記録ディスク
TW207582B (de) * 1991-06-29 1993-06-11 Sony Co Ltd

Also Published As

Publication number Publication date
KR100268137B1 (ko) 2000-10-16
DE69221388T2 (de) 1997-12-11
EP0516329B1 (de) 1997-08-06
CA2069381A1 (en) 1992-11-30
CA2069381C (en) 2002-01-22
AU1700692A (en) 1992-12-03
DE69221388D1 (de) 1997-09-11
AU665947B2 (en) 1996-01-25
EP0516329A3 (en) 1992-12-16
EP0516329A2 (de) 1992-12-02
KR920022237A (ko) 1992-12-19
US5859834A (en) 1999-01-12

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification