DE3887845T2 - Informations-Aufnahme-Platte. - Google Patents

Informations-Aufnahme-Platte.

Info

Publication number
DE3887845T2
DE3887845T2 DE3887845T DE3887845T DE3887845T2 DE 3887845 T2 DE3887845 T2 DE 3887845T2 DE 3887845 T DE3887845 T DE 3887845T DE 3887845 T DE3887845 T DE 3887845T DE 3887845 T2 DE3887845 T2 DE 3887845T2
Authority
DE
Germany
Prior art keywords
information recording
disc substrate
recording plate
center hole
flange portion
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.)
Expired - Fee Related
Application number
DE3887845T
Other languages
English (en)
Other versions
DE3887845D1 (de
Inventor
Takeshi Minoda
Masayoshi Kurisu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Petrochemical Industries Ltd
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 Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Application granted granted Critical
Publication of DE3887845D1 publication Critical patent/DE3887845D1/de
Publication of DE3887845T2 publication Critical patent/DE3887845T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE3887845T 1987-12-01 1988-12-01 Informations-Aufnahme-Platte. Expired - Fee Related DE3887845T2 (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 (2)

Publication Number Publication Date
DE3887845D1 DE3887845D1 (de) 1994-03-24
DE3887845T2 true DE3887845T2 (de) 1994-05-26

Family

ID=16131853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887845T Expired - Fee Related DE3887845T2 (de) 1987-12-01 1988-12-01 Informations-Aufnahme-Platte.

Country Status (7)

Country Link
US (1) US5301183A (de)
EP (1) EP0319301B1 (de)
JP (1) JPH0731422Y2 (de)
KR (1) KR910006652B1 (de)
CN (2) CN1021995C (de)
AT (1) ATE101745T1 (de)
DE (1) DE3887845T2 (de)

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
DE68919175T2 (de) * 1988-08-30 1995-05-24 Mitsubishi Rayon Co Nabe für optische Speicherplatte und Verfahren zu deren Herstellung.
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
US6013352A (en) * 1996-03-12 2000-01-11 Gallant; Glenn Mountable disc display device
US5725934A (en) * 1996-03-12 1998-03-10 Disc Concepts, Inc. 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
AU2003266669A1 (en) * 2002-10-01 2004-05-04 Matsushita Electric Industrial Co., Ltd. Optial information recording medium and production method therefor, production device
MXPA05012992A (es) * 2003-06-03 2006-03-09 Lg Electronics Inc Medio de grabacion de alta densidad y dispositivo de grabacion y/o reproduccion para el mismo.
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 (de) * 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
EP0192244B1 (de) * 1985-02-18 1990-06-13 Hitachi Maxell Ltd. 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
JPS63173289A (ja) * 1987-01-13 1988-07-16 Fuji Photo Film Co Ltd 情報記録媒体
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
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 (de) 1989-06-14
KR890010866A (ko) 1989-08-11
EP0319301A3 (en) 1990-01-31
ATE101745T1 (de) 1994-03-15
CN2048229U (zh) 1989-11-22
US5301183A (en) 1994-04-05
CN1034628A (zh) 1989-08-09
KR910006652B1 (ko) 1991-08-30
JPH0731422Y2 (ja) 1995-07-19
EP0319301B1 (de) 1994-02-16
EP0319301A2 (de) 1989-06-07
CN1021995C (zh) 1993-09-01
DE3887845D1 (de) 1994-03-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee