KR101047198B1 - 광 정보 기록 매체 - Google Patents
광 정보 기록 매체 Download PDFInfo
- Publication number
- KR101047198B1 KR101047198B1 KR1020040093447A KR20040093447A KR101047198B1 KR 101047198 B1 KR101047198 B1 KR 101047198B1 KR 1020040093447 A KR1020040093447 A KR 1020040093447A KR 20040093447 A KR20040093447 A KR 20040093447A KR 101047198 B1 KR101047198 B1 KR 101047198B1
- Authority
- KR
- South Korea
- Prior art keywords
- information recording
- layer
- light transmitting
- optical information
- recording medium
- Prior art date
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- 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
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24056—Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
-
- 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
- G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
- G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
- G11B7/2545—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins containing inorganic fillers, e.g. particles or fibres
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
-
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
Claims (21)
- 기판, 상기 기판의 주면에 형성된 적어도 1층의 정보 기록층 및 상기 정보 기록층을 피복하는 광 투과층을 포함하는 광 정보 기록 매체에 있어서,상기 기판은 상기 정보 기록층에 해당하는 정보 기록 영역 및 클램프 영역을 포함하고,상기 클램프 영역에 해당하는 상기 광 투과층의 평균 두께는 상기 정보 기록 영역에 해당하는 상기 광 투과층의 평균 두께보다도 얇은 것인 광 정보 기록 매체.
- 제1항에 있어서, 상기 기판의 두께와 상기 광 투과층의 두께가 상이한 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 총 두께가 1.14∼1.50㎜인 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 상기 정보 기록 영역에 해당하는 상기 광 투과층의 두께가 100㎛인 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 상기 정보 기록 영역에 해당하는 상기 광 투과층의 두께가 75㎛인 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 상기 클램프 영역에 해당하는 상기 광 투과층의 평균 두께가 상기 정보 기록 영역에 해당하는 상기 광 투과층의 평균 두께의 95% 이하인 것인 광 정보 기록 매체.
- 제6항에 있어서, 상기 클램프 영역에 해당하는 상기 광 투과층의 평균 두께가 상기 정보 기록 영역에 해당하는 상기 광 투과층의 평균 두께의 70% 이상인 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 상기 광 투과층이 방사선 경화성 수지인 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 상기 광 투과층이 다수의 재료를 포함하는 것인 광 정보 기록 매체.
- 제9항에 있어서, 상기 다수의 재료 중 적어도 1종이 방사선 경화성 수지인 것인 광 정보 기록 매체.
- 제9항에 있어서, 상기 다수의 재료 중 적어도 1종이 폴리카보네이트인 것인 광 정보 기록 매체.
- 제9항에 있어서, 상기 다수의 재료 중 적어도 1종이 점착 재료인 것인 광 정보 기록 매체.
- 제1항 또는 제2항에 있어서, 상기 광 투과층의 기록/재생측의 일부 혹은 전부에 형성된 보호층을 추가로 포함하는 것인 광 정보 기록 매체.
- 제13항에 있어서, 상기 보호층의 연필 경도가 H 이상인 것인 광 정보 기록 매체.
- 제13항에 있어서, 상기 클램프 영역에 해당하는 보호층의 평균 두께가 상기 정보 기록 영역에 해당하는 보호층의 평균 두께보다도 얇은 것인 광 정보 기록 매체.
- 기판, 상기 기판의 주면에 형성된 적어도 1층의 정보 기록층, 상기 정보 기록층을 피복하는 광 투과층 및 상기 광 투과층의 기록/재생측의 일부 또는 전부에 형성된 보호층을 포함하는 광 정보 기록 매체에 있어서,상기 기판은 상기 정보 기록층에 해당하는 정보 기록 영역 및 클램프 영역을 포함하고,상기 클램프 영역에 해당하는 상기 보호층의 평균 두께는 상기 정보 기록 영 역에 해당하는 상기 보호층의 평균 두께보다도 얇은 것인 광 정보 기록 매체.
- 기판, 상기 기판의 주면에 형성된 적어도 1층의 정보 기록층, 상기 정보 기록층을 피복하는 광 투과층 및 상기 광 투과층의 기록/재생측의 일부 또는 전부에 형성된 보호층을 포함하는 광 정보 기록 매체에 있어서,상기 기판은 상기 정보 기록층에 해당하는 정보 기록 영역 및 클램프 영역을 포함하고,상기 보호층은 상기 클램프 영역에 형성되지 않는 것인 광 정보 기록 매체.
- 제16항 또는 제17항에 있어서, 상기 보호층의 연필 경도가 H 이상인 것인 광 정보 기록 매체.
- 제16항 또는 제17항에 있어서, 상기 광 투과층의 두께와 상기 기판의 두께가 상이한 것인 광 정보 기록 매체.
- 제16항 또는 제17항에 있어서, 상기 광 투과층과 상기 보호층의 총 두께가 100㎛인 것인 광 정보 기록 매체.
- 제16항 또는 제17항에 있어서, 상기 광 투과층과 상기 보호층의 총 두께가 75㎛인 것인 광 정보 기록 매체.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00411114 | 2003-12-10 | ||
JP2003411114 | 2003-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050056859A KR20050056859A (ko) | 2005-06-16 |
KR101047198B1 true KR101047198B1 (ko) | 2011-07-06 |
Family
ID=34510506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040093447A KR101047198B1 (ko) | 2003-12-10 | 2004-11-16 | 광 정보 기록 매체 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7380257B2 (ko) |
EP (1) | EP1542218A2 (ko) |
KR (1) | KR101047198B1 (ko) |
CN (1) | CN100377237C (ko) |
MX (1) | MXPA04012285A (ko) |
TW (1) | TWI363343B (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8675464B2 (en) * | 2005-11-03 | 2014-03-18 | Cinram Group, Inc. | Dual sided optical storage media and method for making same |
US7684309B2 (en) | 2005-11-03 | 2010-03-23 | Cinram International Inc. | Multi-purpose high-density optical disc |
US7986611B1 (en) | 2007-03-22 | 2011-07-26 | Cinram International Inc. | High-density optical recording media and method for making same |
US7910191B1 (en) | 2006-03-09 | 2011-03-22 | Cinram International Inc. | Method for forming light-transmitting cover layer for optical recording medium |
US20110096655A1 (en) * | 2006-03-09 | 2011-04-28 | Cinram International Inc. | Forming light-transmitting cover layer for recording medium |
KR20080078254A (ko) * | 2007-02-22 | 2008-08-27 | 삼성전자주식회사 | 다층 광기록 매체 및 그 제조 방법 |
US7946015B1 (en) | 2007-11-07 | 2011-05-24 | Cinram International Inc. | Method and apparatus for separating dummy disc from multi-layer substrate for optical storage medium |
US8739299B1 (en) | 2009-12-24 | 2014-05-27 | Cinram Group, Inc. | Content unlocking |
CN105043685B (zh) * | 2015-08-04 | 2018-09-07 | 浙江工商大学 | 液氨容器检漏系统及方法 |
CN105043684B (zh) * | 2015-08-04 | 2018-09-07 | 浙江工商大学 | 超导液容器检漏系统及方法 |
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JP2005174406A (ja) * | 2003-12-09 | 2005-06-30 | Fuji Photo Film Co Ltd | 光情報記録媒体、光情報記録媒体の製造方法、及び光情報記録方法 |
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US5312663A (en) * | 1991-12-27 | 1994-05-17 | Eastman Kodak Company | Optical element having durability enhancing layer |
JP3241560B2 (ja) | 1995-02-24 | 2001-12-25 | ソニー株式会社 | 光学記録媒体及びその製造方法 |
JPH1040578A (ja) * | 1996-07-23 | 1998-02-13 | Mitsubishi Chem Corp | ディスク用基板 |
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EP1152407A3 (en) * | 2000-04-25 | 2006-10-25 | Matsushita Electric Industrial Co., Ltd. | Optical disk, method for producing the same, and apparatus for producing the same |
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JP2002063737A (ja) * | 2000-06-09 | 2002-02-28 | Tdk Corp | 光情報媒体およびその製造方法 |
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EP1505600A1 (en) * | 2003-07-30 | 2005-02-09 | Sony DADC Austria AG | Disc shaped optical record carrier |
-
2004
- 2004-10-20 TW TW093131818A patent/TWI363343B/zh not_active IP Right Cessation
- 2004-10-21 EP EP04025010A patent/EP1542218A2/en not_active Withdrawn
- 2004-11-04 US US10/980,267 patent/US7380257B2/en active Active
- 2004-11-16 KR KR1020040093447A patent/KR101047198B1/ko active IP Right Grant
- 2004-12-06 CN CNB2004100979386A patent/CN100377237C/zh active Active
- 2004-12-07 MX MXPA04012285A patent/MXPA04012285A/es active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003132596A (ja) * | 2001-10-22 | 2003-05-09 | Tdk Corp | 光記録媒体の設計方法 |
JP2005174406A (ja) * | 2003-12-09 | 2005-06-30 | Fuji Photo Film Co Ltd | 光情報記録媒体、光情報記録媒体の製造方法、及び光情報記録方法 |
Also Published As
Publication number | Publication date |
---|---|
US7380257B2 (en) | 2008-05-27 |
TWI363343B (en) | 2012-05-01 |
CN1627399A (zh) | 2005-06-15 |
EP1542218A2 (en) | 2005-06-15 |
KR20050056859A (ko) | 2005-06-16 |
CN100377237C (zh) | 2008-03-26 |
MXPA04012285A (es) | 2005-07-25 |
TW200519931A (en) | 2005-06-16 |
US20050132395A1 (en) | 2005-06-16 |
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