ATE110183T1 - Datenaufzeichnungsträger. - Google Patents

Datenaufzeichnungsträger.

Info

Publication number
ATE110183T1
ATE110183T1 AT89300383T AT89300383T ATE110183T1 AT E110183 T1 ATE110183 T1 AT E110183T1 AT 89300383 T AT89300383 T AT 89300383T AT 89300383 T AT89300383 T AT 89300383T AT E110183 T1 ATE110183 T1 AT E110183T1
Authority
AT
Austria
Prior art keywords
upstand
outer periphery
disc substrate
data recorder
central hole
Prior art date
Application number
AT89300383T
Other languages
English (en)
Inventor
Fujio Omae
Original Assignee
Mitsui Petrochemical Ind
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 Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Application granted granted Critical
Publication of ATE110183T1 publication Critical patent/ATE110183T1/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
    • G11B7/24018—Laminated discs
    • 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
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
  • Magnetic Record Carriers (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
AT89300383T 1988-01-19 1989-01-17 Datenaufzeichnungsträger. ATE110183T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988004883U JP2537348Y2 (ja) 1988-01-19 1988-01-19 光ディスク

Publications (1)

Publication Number Publication Date
ATE110183T1 true ATE110183T1 (de) 1994-09-15

Family

ID=11596078

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89300383T ATE110183T1 (de) 1988-01-19 1989-01-17 Datenaufzeichnungsträger.

Country Status (6)

Country Link
EP (1) EP0325399B1 (de)
JP (1) JP2537348Y2 (de)
KR (1) KR910006653B1 (de)
CN (2) CN2044759U (de)
AT (1) ATE110183T1 (de)
DE (1) DE68917483T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4944982A (en) * 1988-04-04 1990-07-31 Fuji Photo Film Co., Ltd. Information recording medium having magnetizable hub
JPH0638068U (ja) * 1992-10-13 1994-05-20 富士写真フイルム株式会社 磁気ディスクカートリッジ
DE69535111T2 (de) * 1994-02-15 2007-02-15 Mitsubishi Chemical Corp. Plattenkassette
DE19631319A1 (de) * 1995-08-15 1997-02-20 Minnesota Mining & Mfg Platte zur optischen Datenspeicherung
EP0920012B1 (de) * 1996-08-08 2004-11-03 Fuji Photo Film Co., Ltd. Magnetische plattenkassette
CN100359579C (zh) * 2002-12-30 2008-01-02 皇家飞利浦电子股份有限公司 光盘和用于读取和/或录制光盘的装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606938Y2 (ja) * 1980-08-14 1985-03-07 ソニー株式会社 記録再生用デイスクカセツト
US4562505A (en) * 1982-12-20 1985-12-31 Verbatim Corporation Flexible magnetic memory disk with metallic hub and method of manufacturing same
JPS60186565U (ja) * 1984-05-18 1985-12-10 ソニー株式会社 磁気デイスク
JPH079257Y2 (ja) * 1984-06-22 1995-03-06 富士写真フイルム株式会社 磁気ディスクカ−トリッジ
JPS6113376U (ja) * 1984-06-22 1986-01-25 富士写真フイルム株式会社 磁気デイスクカ−トリツジ
JPS6124877U (ja) * 1984-07-19 1986-02-14 ティーディーケイ株式会社 デイスクカ−トリツジ
JPS61210540A (ja) * 1985-03-15 1986-09-18 Hitachi Maxell Ltd 光デイスク
JPS61186565U (de) * 1985-05-14 1986-11-20
JPS62114180A (ja) * 1985-11-13 1987-05-25 Sony Corp フロツピ−デイスクの加工方法

Also Published As

Publication number Publication date
EP0325399A2 (de) 1989-07-26
CN2044759U (zh) 1989-09-20
KR910006653B1 (ko) 1991-08-30
CN1035200A (zh) 1989-08-30
DE68917483D1 (de) 1994-09-22
DE68917483T2 (de) 1994-12-15
KR890012284A (ko) 1989-08-25
EP0325399A3 (en) 1990-12-27
JPH01109875U (de) 1989-07-25
EP0325399B1 (de) 1994-08-17
JP2537348Y2 (ja) 1997-05-28

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