WO2002045082A1 - Optical record medium and its manufacturing method, and injection molding machine - Google Patents

Optical record medium and its manufacturing method, and injection molding machine Download PDF

Info

Publication number
WO2002045082A1
WO2002045082A1 PCT/JP2001/010376 JP0110376W WO0245082A1 WO 2002045082 A1 WO2002045082 A1 WO 2002045082A1 JP 0110376 W JP0110376 W JP 0110376W WO 0245082 A1 WO0245082 A1 WO 0245082A1
Authority
WO
WIPO (PCT)
Prior art keywords
manufacturing
information signal
injection molding
molding machine
record 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.)
Ceased
Application number
PCT/JP2001/010376
Other languages
English (en)
French (fr)
Inventor
Minoru Kikuchi
Akio Koshita
Jun Nakano
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.)
Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to KR1020027009760A priority Critical patent/KR20020080395A/ko
Priority to US10/182,173 priority patent/US7224665B2/en
Priority to EP01998969A priority patent/EP1339054A4/en
Publication of WO2002045082A1 publication Critical patent/WO2002045082A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G11B7/24027—Layers; Shape, structure or physical properties thereof
    • 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
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C45/2632—Stampers; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24047—Substrates
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
PCT/JP2001/010376 2000-11-30 2001-11-28 Optical record medium and its manufacturing method, and injection molding machine Ceased WO2002045082A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020027009760A KR20020080395A (ko) 2000-11-30 2001-11-28 광학 기록 매체 및 그 제조 방법, 및 사출 성형 장치
US10/182,173 US7224665B2 (en) 2000-11-30 2001-11-28 Optical recording medium its manufacturing method and injection molding apparatus
EP01998969A EP1339054A4 (en) 2000-11-30 2001-11-28 OPTICAL RECORDING MEDIUM AND METHOD FOR ITS MANUFACTURE AND INJECTION MOLDING MACHINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000366052A JP2002170279A (ja) 2000-11-30 2000-11-30 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
JP2000-366052 2000-11-30

Publications (1)

Publication Number Publication Date
WO2002045082A1 true WO2002045082A1 (en) 2002-06-06

Family

ID=18836729

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/010376 Ceased WO2002045082A1 (en) 2000-11-30 2001-11-28 Optical record medium and its manufacturing method, and injection molding machine

Country Status (6)

Country Link
US (1) US7224665B2 (ja)
EP (1) EP1339054A4 (ja)
JP (1) JP2002170279A (ja)
KR (1) KR20020080395A (ja)
TW (1) TWI223241B (ja)
WO (1) WO2002045082A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1396855A3 (en) * 2002-09-05 2006-04-26 Matsushita Electric Industrial Co., Ltd. Optical data recording medium and manufacturing method for the same; and a method for clamping the optical data recording medium
EP1629472A4 (en) * 2003-06-03 2007-11-07 Lg Electronics Inc HIGH-SEAL RECORDING MEDIUM AND RECORDING AND / OR REPRODUCTION DEVICE THEREFOR
US7515524B2 (en) 2001-05-14 2009-04-07 Lg Electronics, Inc. High density disk recording medium and apparatus using the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002117584A (ja) * 2000-10-06 2002-04-19 Sony Corp 光学記録媒体およびその製造方法
CN1623199A (zh) * 2002-04-08 2005-06-01 松下电器产业株式会社 光盘媒体
JP2004039050A (ja) * 2002-07-01 2004-02-05 Tdk Corp 光記録媒体、光記録媒体の製造方法及び製造装置
JP4248197B2 (ja) 2002-07-04 2009-04-02 Ｔｄｋ株式会社 光記録媒体、光記録媒体の製造方法及び製造装置
JP4167859B2 (ja) 2002-07-05 2008-10-22 Ｔｄｋ株式会社 光記録媒体用中間体および光記録媒体の製造方法
JP4264532B2 (ja) * 2002-11-19 2009-05-20 ソニー株式会社 ディスク基板および光ディスク
TWI258139B (en) * 2003-04-17 2006-07-11 Princo Corp Optical disc substrate, optical disc, and method of forming the same
US20050039202A1 (en) * 2003-08-14 2005-02-17 Chih-Hsuan Yang Disc for storing information
US7478413B2 (en) 2003-08-22 2009-01-13 Hitachi Maxell, Ltd. Optical recording medium
JP2006155726A (ja) * 2004-11-29 2006-06-15 Tohoku Pioneer Corp 光ディスクの製造方法および製造装置
KR20070120018A (ko) * 2005-04-28 2007-12-21 소니 가부시끼 가이샤 윤활제 조성물 및 그것을 도포하여 이루어지는 물품, 광디스크용 기판의 성형 스탬퍼, 광 디스크용 기판의 성형금형 장치, 광 디스크용 기판의 성형 방법 및 윤활막의형성 방법
TWI322417B (en) 2005-11-03 2010-03-21 Princo Corp Optical disc capable of suppressing vibration while reading/writing and the method of fabricating the same
JP2008004252A (ja) * 2006-05-26 2008-01-10 Tdk Corp 情報媒体用基板および情報媒体
DE06023769T1 (de) * 2006-11-15 2008-10-23 Ods Technology Gmbh EcoDisc
US8372500B2 (en) * 2007-04-30 2013-02-12 Mohamed Mohab Sabry Flexible VCD having domed center and method of making thereof
US7947352B2 (en) * 2007-04-30 2011-05-24 Mohamed Mohab Sabry Flexible VCD having domed center and method of making thereof
US8481141B2 (en) * 2007-04-30 2013-07-09 Mohamed Mohab Sabry Flexible VCD having domed center and flat central bottom ring and method of making thereof
DE102008036203B4 (de) * 2008-08-02 2012-09-20 Optimal Media Production Gmbh Spritzgusswerkzeug zur Herstellung scheibenförmiger Aufzeichnungsträger
US20130337216A1 (en) * 2011-01-27 2013-12-19 Pioneer Corporation Optical disc
CN109676369A (zh) * 2019-01-09 2019-04-26 深圳市鑫鼎元光电有限公司 一种负压薄片筛选装置、筛选方法、薄片安装系统及计算机可读存储介质

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JPS60261042A (ja) * 1984-06-06 1985-12-24 Matsushita Electric Ind Co Ltd 光学情報担体デイスク
JPH01135606A (ja) * 1987-11-20 1989-05-29 Seiko Epson Corp 光メモリ一基板成形用金型
JPH05307769A (ja) * 1992-04-30 1993-11-19 Matsushita Electric Ind Co Ltd 光ディスク基板、光ディスク基板の製造装置および製造方法
JPH06251426A (ja) * 1993-02-26 1994-09-09 Taiyo Yuden Co Ltd ディスク基板，ディスク成形金型及びディスク成形方法
JPH07171902A (ja) * 1993-12-17 1995-07-11 Kuraray Co Ltd ディスク基板製造方法及びディスク基板製造装置
JPH1131337A (ja) * 1997-05-16 1999-02-02 Sony Corp 光記録媒体及び光学ディスク装置
JPH11156897A (ja) * 1997-11-28 1999-06-15 Hitachi Maxell Ltd 光ディスク基板射出成形金型及び成形基板
JPH11339330A (ja) * 1998-05-29 1999-12-10 Sony Corp 情報記録ディスク用基板の成形装置及び成形方法
JP2000298879A (ja) * 1999-04-13 2000-10-24 Sony Corp 光記録媒体
JP2000311382A (ja) * 1999-04-26 2000-11-07 Victor Co Of Japan Ltd 光ディスク
JP2000322768A (ja) * 1999-05-13 2000-11-24 Sony Corp 光記録媒体
JP2000322781A (ja) * 1999-05-07 2000-11-24 Sony Corp 金型装置及びディスク基板の製造方法
JP2000322765A (ja) * 1999-05-12 2000-11-24 Sharp Corp 光記録媒体

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JPS62234245A (ja) * 1986-04-02 1987-10-14 Nissha Printing Co Ltd 光デイスク
EP0348122B1 (en) * 1988-06-20 1999-12-08 Hitachi Maxell Ltd. Optical data recording medium and manufacturing method thereof
AU665947B2 (en) * 1991-05-29 1996-01-25 Sony Corporation Optical disc and method for producing the optical disc
JPH10269621A (ja) * 1997-03-25 1998-10-09 Sony Corp 光ディスク基板及びこれを用いた光ディスク
JP3806827B2 (ja) * 1998-02-10 2006-08-09 Ｔｄｋ株式会社 相変化型光記録媒体の設計方法
KR100299241B1 (ko) * 1998-04-15 2001-10-27 구자홍 광디스크제조방법및그매체.
JP4258037B2 (ja) * 1998-06-29 2009-04-30 ソニー株式会社 光記録媒体と、これを用いた光記録再生装置
JP2000100008A (ja) * 1998-09-24 2000-04-07 Fujitsu Ltd 光磁気記録媒体及び光学ヘッド装置
US6375784B1 (en) * 1999-03-26 2002-04-23 Kyodo Printing Co., Ltd Method of manufacturing reversible heat-sensitive recording medium and reversible heat-sensitive recording medium manufactured thereby

Patent Citations (13)

* Cited by examiner, † Cited by third party
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JPS60261042A (ja) * 1984-06-06 1985-12-24 Matsushita Electric Ind Co Ltd 光学情報担体デイスク
JPH01135606A (ja) * 1987-11-20 1989-05-29 Seiko Epson Corp 光メモリ一基板成形用金型
JPH05307769A (ja) * 1992-04-30 1993-11-19 Matsushita Electric Ind Co Ltd 光ディスク基板、光ディスク基板の製造装置および製造方法
JPH06251426A (ja) * 1993-02-26 1994-09-09 Taiyo Yuden Co Ltd ディスク基板，ディスク成形金型及びディスク成形方法
JPH07171902A (ja) * 1993-12-17 1995-07-11 Kuraray Co Ltd ディスク基板製造方法及びディスク基板製造装置
JPH1131337A (ja) * 1997-05-16 1999-02-02 Sony Corp 光記録媒体及び光学ディスク装置
JPH11156897A (ja) * 1997-11-28 1999-06-15 Hitachi Maxell Ltd 光ディスク基板射出成形金型及び成形基板
JPH11339330A (ja) * 1998-05-29 1999-12-10 Sony Corp 情報記録ディスク用基板の成形装置及び成形方法
JP2000298879A (ja) * 1999-04-13 2000-10-24 Sony Corp 光記録媒体
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7515524B2 (en) 2001-05-14 2009-04-07 Lg Electronics, Inc. High density disk recording medium and apparatus using the same
EP1396855A3 (en) * 2002-09-05 2006-04-26 Matsushita Electric Industrial Co., Ltd. Optical data recording medium and manufacturing method for the same; and a method for clamping the optical data recording medium
US7290272B2 (en) 2002-09-05 2007-10-30 Matsushita Electric Industrial Co., Ltd. Optical data recording disc with protrusion between clamping area and center hole
US7389520B2 (en) 2002-09-05 2008-06-17 Matsushita Electric Industrial Co., Ltd. Optical data recording disc with protrusion between clamping area and center hole
US7401346B2 (en) 2002-09-05 2008-07-15 Matsushita Electric Industrial Co., Ltd. Optical data recording disc with protrusion between clamping area and center hole
US7401347B2 (en) 2002-09-05 2008-07-15 Matsushita Electric Industrial Co., Ltd. Optical data recording medium with protrusion bonded between center hole and clamping area
US7409699B2 (en) 2002-09-05 2008-08-05 Matsushita Electric Industrial Co., Ltd. Optical data recording disc with protrusion between clamping area and center hole
US7761888B2 (en) 2002-09-05 2010-07-20 Panasonic Corporation Optical data recording disc with protrusion between clamping area and center hole
EP1629472A4 (en) * 2003-06-03 2007-11-07 Lg Electronics Inc HIGH-SEAL RECORDING MEDIUM AND RECORDING AND / OR REPRODUCTION DEVICE THEREFOR
US7617507B2 (en) 2003-06-03 2009-11-10 Lg Electronics Inc. High-density recording medium and recording and/or reproducing device therefor
AU2004244147B2 (en) * 2003-06-03 2010-06-10 Lg Electronics Inc. High-density recording medium and recording and/or reproducing device therefor
US7831986B2 (en) 2003-06-03 2010-11-09 Lg Electronics Inc. High-density recording medium and recording and/or reproducing device therefor

Also Published As

Publication number Publication date
EP1339054A1 (en) 2003-08-27
TWI223241B (en) 2004-11-01
JP2002170279A (ja) 2002-06-14
EP1339054A4 (en) 2008-03-12
KR20020080395A (ko) 2002-10-23
US20030161255A1 (en) 2003-08-28
US7224665B2 (en) 2007-05-29

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