DE60041846D1 - Optisches Aufzeichnungsmedium - Google Patents
Optisches AufzeichnungsmediumInfo
- Publication number
- DE60041846D1 DE60041846D1 DE60041846T DE60041846T DE60041846D1 DE 60041846 D1 DE60041846 D1 DE 60041846D1 DE 60041846 T DE60041846 T DE 60041846T DE 60041846 T DE60041846 T DE 60041846T DE 60041846 D1 DE60041846 D1 DE 60041846D1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- optical recording
- optical
- medium
- recording
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
-
- 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
-
- 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
-
- 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
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- 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
-
- 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
- G11B7/2578—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 consisting essentially of inorganic materials
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11100656A JP2000293894A (ja) | 1999-04-07 | 1999-04-07 | 光学記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60041846D1 true DE60041846D1 (de) | 2009-05-07 |
Family
ID=14279863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60041846T Expired - Lifetime DE60041846D1 (de) | 1999-04-07 | 2000-04-05 | Optisches Aufzeichnungsmedium |
Country Status (4)
Country | Link |
---|---|
US (2) | US6869655B1 (de) |
EP (1) | EP1043718B1 (de) |
JP (1) | JP2000293894A (de) |
DE (1) | DE60041846D1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001357534A (ja) * | 2000-04-10 | 2001-12-26 | Victor Co Of Japan Ltd | 情報記録媒体 |
JP2002133719A (ja) * | 2000-10-27 | 2002-05-10 | Pioneer Electronic Corp | 光学式記録媒体 |
US7820234B2 (en) | 2001-06-07 | 2010-10-26 | Panasonic Corporation | Manufacturing method of optical information recording medium |
US7161894B2 (en) * | 2001-06-21 | 2007-01-09 | Quantum Corporation | Optical recording article |
JP2003059097A (ja) * | 2001-08-10 | 2003-02-28 | Tdk Corp | 光記録媒体 |
WO2003028020A1 (fr) * | 2001-09-26 | 2003-04-03 | Tdk Corporation | Support d'enregistrement optique |
CN1293552C (zh) * | 2001-12-03 | 2007-01-03 | 皇家飞利浦电子股份有限公司 | 光存储系统、光存储介质及其使用 |
KR20050044343A (ko) * | 2001-12-07 | 2005-05-12 | 아사히 가라스 가부시키가이샤 | 윤활성이 부여된 하드코트층을 갖는 광디스크 및 그 제조방법 |
TW200519925A (en) * | 2003-08-05 | 2005-06-16 | Matsushita Electric Ind Co Ltd | Optical disc and the manufacturing method thereof |
US8277919B2 (en) * | 2009-07-23 | 2012-10-02 | VMO Systems, Inc. | Reflective coating for an optical disc |
WO2017143325A1 (en) * | 2016-02-19 | 2017-08-24 | Intevac, Inc. | Ultra-thin corrosion resistant hard overcoat for hard disk media |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01112547A (ja) | 1987-10-27 | 1989-05-01 | Toshiba Corp | 光メモリ媒体 |
JPH0419842A (ja) * | 1990-05-11 | 1992-01-23 | Sumitomo Chem Co Ltd | 光磁気ディスク |
JP2905554B2 (ja) * | 1990-05-15 | 1999-06-14 | 株式会社日立製作所 | 磁気記録媒体 |
JP3240654B2 (ja) * | 1991-06-20 | 2001-12-17 | ソニー株式会社 | パーフルオロポリエーテル誘導体及びこれを用いた潤滑剤並びに磁気記録媒体 |
US5176943A (en) | 1991-07-09 | 1993-01-05 | Minnesota Mining And Manufacturing Company | Optical recording medium with antistatic hard coating |
JP3186223B2 (ja) | 1992-06-26 | 2001-07-11 | ソニー株式会社 | 磁気記録媒体 |
JPH07102271A (ja) * | 1993-10-01 | 1995-04-18 | Sony Corp | 潤滑剤及び磁気記録媒体 |
JP2833476B2 (ja) * | 1994-05-30 | 1998-12-09 | 富士ゼロックス株式会社 | 熱印字記録装置 |
JPH09241668A (ja) * | 1996-03-06 | 1997-09-16 | Sony Corp | 潤滑剤とこれを用いた磁気記録媒体 |
JPH1046171A (ja) * | 1996-08-01 | 1998-02-17 | Sony Corp | 潤滑剤組成物およびこれを用いた磁気記録媒体 |
JPH113534A (ja) * | 1997-04-14 | 1999-01-06 | Toray Ind Inc | 光記録装置および光記録媒体 |
JPH10302309A (ja) * | 1997-04-25 | 1998-11-13 | Sony Corp | 光学記録媒体 |
JPH10302310A (ja) * | 1997-04-25 | 1998-11-13 | Sony Corp | 光学記録媒体及び光学ディスク装置 |
JP2000082236A (ja) * | 1998-07-09 | 2000-03-21 | Sony Corp | 光学記録媒体 |
-
1999
- 1999-04-07 JP JP11100656A patent/JP2000293894A/ja active Pending
-
2000
- 2000-04-05 EP EP00107379A patent/EP1043718B1/de not_active Expired - Lifetime
- 2000-04-05 US US09/543,844 patent/US6869655B1/en not_active Expired - Fee Related
- 2000-04-05 DE DE60041846T patent/DE60041846D1/de not_active Expired - Lifetime
-
2005
- 2005-03-18 US US11/084,417 patent/US7138164B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050163961A1 (en) | 2005-07-28 |
EP1043718A1 (de) | 2000-10-11 |
US7138164B2 (en) | 2006-11-21 |
US6869655B1 (en) | 2005-03-22 |
JP2000293894A (ja) | 2000-10-20 |
EP1043718B1 (de) | 2009-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |