ATE101745T1 - Informations-aufnahme-platte. - Google Patents

Informations-aufnahme-platte.

Info

Publication number
ATE101745T1
ATE101745T1 AT88311398T AT88311398T ATE101745T1 AT E101745 T1 ATE101745 T1 AT E101745T1 AT 88311398 T AT88311398 T AT 88311398T AT 88311398 T AT88311398 T AT 88311398T AT E101745 T1 ATE101745 T1 AT E101745T1
Authority
AT
Austria
Prior art keywords
information recording
disc substrate
recording plate
center hole
flange portion
Prior art date
Application number
AT88311398T
Other languages
German (de)
English (en)
Inventor
Takeshi Minoda
Masayoshi Kurisu
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 ATE101745T1 publication Critical patent/ATE101745T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Holo Graphy (AREA)
AT88311398T 1987-12-01 1988-12-01 Informations-aufnahme-platte. ATE101745T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987183218U JPH0731422Y2 (ja) 1987-12-01 1987-12-01 光ディスク

Publications (1)

Publication Number Publication Date
ATE101745T1 true ATE101745T1 (de) 1994-03-15

Family

ID=16131853

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88311398T ATE101745T1 (de) 1987-12-01 1988-12-01 Informations-aufnahme-platte.

Country Status (7)

Country Link
US (1) US5301183A (US20070244113A1-20071018-C00169.png)
EP (1) EP0319301B1 (US20070244113A1-20071018-C00169.png)
JP (1) JPH0731422Y2 (US20070244113A1-20071018-C00169.png)
KR (1) KR910006652B1 (US20070244113A1-20071018-C00169.png)
CN (2) CN1021995C (US20070244113A1-20071018-C00169.png)
AT (1) ATE101745T1 (US20070244113A1-20071018-C00169.png)
DE (1) DE3887845T2 (US20070244113A1-20071018-C00169.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448547A (en) * 1987-12-01 1995-09-05 Mitsui Petrochemical Industries, Ltd. Information recording discs
EP0356811B1 (en) * 1988-08-30 1994-11-02 Mitsubishi Rayon Co., Ltd. Optical memory disk hub and method for its production
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
US5768253A (en) * 1992-05-15 1998-06-16 Cd Plant Tecval S.A. Disc cartridge for accommodating recording discs
CH686538A5 (fr) * 1992-05-15 1996-04-15 Cd Plant Tecval S A Cassette a disque.
JP3234066B2 (ja) * 1993-09-09 2001-12-04 富士電機株式会社 磁気ディスク装置
US5725934A (en) * 1996-03-12 1998-03-10 Disc Concepts, Inc. Mountable disc display device
US6013352A (en) * 1996-03-12 2000-01-11 Gallant; Glenn Mountable disc display device
KR100378086B1 (ko) * 2001-05-14 2003-03-29 엘지전자 주식회사 클랭핑 영역의 상하면이 서로다른 높이를 갖는 고밀도 광디스크
KR100438700B1 (ko) * 2001-08-14 2004-07-05 삼성전자주식회사 투과층 형성방법, 장치 및 디스크 기판
CN100403425C (zh) * 2002-10-01 2008-07-16 松下电器产业株式会社 光信息记录介质及其制造方法、制造装置
EP1629472A4 (en) * 2003-06-03 2007-11-07 Lg Electronics Inc HIGH-SEAL RECORDING MEDIUM AND RECORDING AND / OR REPRODUCTION DEVICE THEREFOR
US20070136737A1 (en) * 2005-12-08 2007-06-14 Ho Jun Ryu Metal-polymer composite hub and small form factor optical disk for information storage including the same

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH614701A5 (US20070244113A1-20071018-C00169.png) * 1975-12-24 1979-12-14 Ciba Geigy Ag
DE2624375C3 (de) * 1976-05-31 1979-01-04 Polygram Gmbh, 2000 Hamburg Plattenförmiger Informationsträger für Bild- bzw. Videosignale
US4613921A (en) * 1982-11-26 1986-09-23 Holmes William A Disk memory apparatus
GB8307590D0 (en) * 1983-03-18 1983-04-27 Glaverbel Supports of information recording layers
JPS59217246A (ja) * 1983-05-24 1984-12-07 Matsushita Electric Ind Co Ltd 光デイスク
JPS60146971A (ja) * 1984-01-05 1985-08-02 Takashi Hosokawa 切換弁
JPS60146971U (ja) * 1984-03-08 1985-09-30 ソニー株式会社 磁気デイスク
JPS60186565U (ja) * 1984-05-18 1985-12-10 ソニー株式会社 磁気デイスク
DE3671998D1 (de) * 1985-02-18 1990-07-19 Hitachi Maxell Optische platte.
JPS6258473A (ja) * 1985-09-06 1987-03-14 Sony Corp 記録再生用デイスクカセツトの製造方法
JPS62114151A (ja) * 1985-11-14 1987-05-25 Canon Inc 磁気デイスク組立体
JPS62129985A (ja) * 1985-11-30 1987-06-12 Hitachi Maxell Ltd マグネツトクランプ形情報記録用デイスク
JPS62134854A (ja) * 1985-12-06 1987-06-17 Matsushita Electric Ind Co Ltd 磁気記録再生装置
NL8503563A (nl) * 1985-12-24 1987-07-16 Nagron Precision Tooling Schijfvormige informatiedrager met van een centraal gat voorzien inzetstuk.
JPS6381670A (ja) * 1986-09-25 1988-04-12 Seiko Epson Corp 光デイスク媒体
US4827468A (en) * 1986-09-30 1989-05-02 Kabushiki Kaisha Toshiba Information memory medium
JP2515757B2 (ja) * 1986-10-13 1996-07-10 パイオニア株式会社 光学式情報記録円盤の製造方法
JPS63129578A (ja) * 1986-11-19 1988-06-01 Matsushita Electric Ind Co Ltd 円盤状記録媒体
CA1320569C (en) * 1986-12-01 1993-07-20 Hendrikus W.C.M. Peeters Optically readable disk with self centering hub
JPS63175240A (ja) * 1987-01-13 1988-07-19 Canon Inc 光記録担体およびその光記録・再生方法
JPS63173289A (ja) * 1987-01-13 1988-07-16 Fuji Photo Film Co Ltd 情報記録媒体
JPS63206946A (ja) * 1987-02-23 1988-08-26 Hitachi Maxell Ltd マグネチツククランプ用光情報記録デイスク
JPS63255884A (ja) * 1987-04-10 1988-10-24 Matsushita Electric Ind Co Ltd 光デイスク用中心金具
JP2593482B2 (ja) * 1987-08-21 1997-03-26 株式会社日立製作所 光ディスク

Also Published As

Publication number Publication date
JPH0190161U (US20070244113A1-20071018-C00169.png) 1989-06-14
CN1021995C (zh) 1993-09-01
CN2048229U (zh) 1989-11-22
CN1034628A (zh) 1989-08-09
US5301183A (en) 1994-04-05
EP0319301A2 (en) 1989-06-07
KR890010866A (ko) 1989-08-11
EP0319301B1 (en) 1994-02-16
EP0319301A3 (en) 1990-01-31
KR910006652B1 (ko) 1991-08-30
DE3887845D1 (de) 1994-03-24
DE3887845T2 (de) 1994-05-26
JPH0731422Y2 (ja) 1995-07-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties