JPH0731422Y2 - 光ディスク - Google Patents

光ディスク

Info

Publication number
JPH0731422Y2
JPH0731422Y2 JP1987183218U JP18321887U JPH0731422Y2 JP H0731422 Y2 JPH0731422 Y2 JP H0731422Y2 JP 1987183218 U JP1987183218 U JP 1987183218U JP 18321887 U JP18321887 U JP 18321887U JP H0731422 Y2 JPH0731422 Y2 JP H0731422Y2
Authority
JP
Japan
Prior art keywords
hub
substrate
disc
disc substrate
recording medium
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 - Lifetime
Application number
JP1987183218U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0190161U (en]
Inventor
武 美濃田
正吉 栗栖
Original Assignee
三井石油化学工業株式会社
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
Priority to JP1987183218U priority Critical patent/JPH0731422Y2/ja
Application filed by 三井石油化学工業株式会社 filed Critical 三井石油化学工業株式会社
Priority to AT88311398T priority patent/ATE101745T1/de
Priority to CN88108293A priority patent/CN1021995C/zh
Priority to EP88311398A priority patent/EP0319301B1/en
Priority to CN88220683U priority patent/CN2048229U/zh
Priority to DE3887845T priority patent/DE3887845T2/de
Priority to KR1019880015970A priority patent/KR910006652B1/ko
Publication of JPH0190161U publication Critical patent/JPH0190161U/ja
Priority to US07/999,534 priority patent/US5301183A/en
Priority to US08/172,809 priority patent/US5448547A/en
Application granted granted Critical
Publication of JPH0731422Y2 publication Critical patent/JPH0731422Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
JP1987183218U 1987-12-01 1987-12-01 光ディスク Expired - Lifetime JPH0731422Y2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP1987183218U JPH0731422Y2 (ja) 1987-12-01 1987-12-01 光ディスク
CN88108293A CN1021995C (zh) 1987-12-01 1988-12-01 信息记录盘
EP88311398A EP0319301B1 (en) 1987-12-01 1988-12-01 Information recording discs
CN88220683U CN2048229U (zh) 1987-12-01 1988-12-01 信息记录盘
AT88311398T ATE101745T1 (de) 1987-12-01 1988-12-01 Informations-aufnahme-platte.
DE3887845T DE3887845T2 (de) 1987-12-01 1988-12-01 Informations-Aufnahme-Platte.
KR1019880015970A KR910006652B1 (ko) 1987-12-01 1988-12-01 정보 기록 디스크
US07/999,534 US5301183A (en) 1987-12-01 1992-12-31 Information recording discs
US08/172,809 US5448547A (en) 1987-12-01 1993-12-27 Information recording discs

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
JPH0190161U JPH0190161U (en]) 1989-06-14
JPH0731422Y2 true JPH0731422Y2 (ja) 1995-07-19

Family

ID=16131853

Family Applications (1)

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

Country Status (7)

Country Link
US (1) US5301183A (en])
EP (1) EP0319301B1 (en])
JP (1) JPH0731422Y2 (en])
KR (1) KR910006652B1 (en])
CN (2) CN2048229U (en])
AT (1) ATE101745T1 (en])
DE (1) DE3887845T2 (en])

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
CH686538A5 (fr) * 1992-05-15 1996-04-15 Cd Plant Tecval S A Cassette a disque.
US5768253A (en) * 1992-05-15 1998-06-16 Cd Plant Tecval S.A. Disc cartridge for accommodating recording discs
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
JPWO2004036570A1 (ja) * 2002-10-01 2006-02-16 松下電器産業株式会社 光情報記録媒体とその製造方法、製造装置
US7617507B2 (en) * 2003-06-03 2009-11-10 Lg Electronics Inc. High-density recording medium and recording and/or reproducing 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 (en]) * 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 (en) * 1985-02-18 1990-06-13 Hitachi Maxell Ltd. An optical disc
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
EP0319301A3 (en) 1990-01-31
KR890010866A (ko) 1989-08-11
ATE101745T1 (de) 1994-03-15
CN1021995C (zh) 1993-09-01
DE3887845T2 (de) 1994-05-26
CN2048229U (zh) 1989-11-22
US5301183A (en) 1994-04-05
KR910006652B1 (ko) 1991-08-30
DE3887845D1 (de) 1994-03-24
EP0319301B1 (en) 1994-02-16
EP0319301A2 (en) 1989-06-07
JPH0190161U (en]) 1989-06-14
CN1034628A (zh) 1989-08-09

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