HK1040453A1 - Optical data storage disk - Google Patents
Optical data storage diskInfo
- Publication number
- HK1040453A1 HK1040453A1 HK02100618A HK02100618A HK1040453A1 HK 1040453 A1 HK1040453 A1 HK 1040453A1 HK 02100618 A HK02100618 A HK 02100618A HK 02100618 A HK02100618 A HK 02100618A HK 1040453 A1 HK1040453 A1 HK 1040453A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- alloy
- data storage
- optical data
- disk
- storage disk
- Prior art date
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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/266—Sputtering or spin-coating layers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
-
- 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
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated 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
- G11B7/241—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
-
- 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
- G11B7/258—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
-
- 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
- G11B7/2595—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 gold
Abstract
The optical data storage disk has internal information-profiled interfaces at different metal alloy layers based on the same metal(s) and of reduced gold content. The optical data storage disk has two internal profiled information storage interfaces at different metal alloy layers which provide respectively reflection and partial reflection/partial transmission of light of given wavelength and identical incidence angle of less than 90 degrees , the disk material being light transmissive. The alloys contain one or more identical metals in a total amount of more than 50 at.% in each alloy and, if they contain gold, the gold content of each alloy is less than 50 at.%. Independent claims are also included for the following: (i) the production of the above disk in which the layers are deposited by dc sputtering of the same metal alloy; and (ii) a target of AgxMayMbz or CuxMayMbz alloy, where x = greater than 50 at.% and Ma and Mb are respective second and third metals.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH200998 | 1998-10-02 | ||
CH256398 | 1998-12-24 | ||
PCT/CH1999/000431 WO2000021079A2 (en) | 1998-10-02 | 1999-09-13 | Optical data storage disk |
Publications (2)
Publication Number | Publication Date |
---|---|
HK1040453A1 true HK1040453A1 (en) | 2002-06-07 |
HK1040453B HK1040453B (en) | 2004-09-10 |
Family
ID=25689256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02100618.0A HK1040453B (en) | 1998-10-02 | 2002-01-25 | Optical data storage disk |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP1119848B1 (en) |
JP (1) | JP4282236B2 (en) |
AT (1) | ATE254792T1 (en) |
DE (1) | DE59907819D1 (en) |
HK (1) | HK1040453B (en) |
TW (1) | TW504689B (en) |
WO (1) | WO2000021079A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6852384B2 (en) | 1998-06-22 | 2005-02-08 | Han H. Nee | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
US6451402B1 (en) | 1998-06-22 | 2002-09-17 | Target Technology Company, Llc | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
US6764735B2 (en) | 1998-06-22 | 2004-07-20 | Target Technology Company, Llc | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
US6544616B2 (en) * | 2000-07-21 | 2003-04-08 | Target Technology Company, Llc | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
US6007889A (en) | 1998-06-22 | 1999-12-28 | Target Technology, Llc | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
US6790503B2 (en) | 1998-06-22 | 2004-09-14 | Target Technology Company, Llc | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
WO2009025804A1 (en) | 2007-08-22 | 2009-02-26 | Thomson Licensing | Dual metal optical discs |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7803069A (en) * | 1978-03-22 | 1979-09-25 | Philips Nv | MULTI-LAYER INFORMATION DISK. |
JPS6260108A (en) * | 1985-09-10 | 1987-03-16 | Kobe Steel Ltd | Production of magnetic head core of 'sendust(r)' alloy |
CA2017284C (en) * | 1989-07-04 | 1995-10-03 | Kazutomi Suzuki | Optical recording medium |
JP3292890B2 (en) * | 1992-08-10 | 2002-06-17 | 株式会社リコー | Phase change type optical recording medium using light reflection and heat dissipation material |
US5419939A (en) * | 1992-09-24 | 1995-05-30 | Tdk Corporation | Optical recording disk |
US5726969A (en) * | 1994-12-28 | 1998-03-10 | Matsushita Electric Industrial Co., Ltd. | Optical recording medium having dual information surfaces |
JPH08203125A (en) * | 1995-01-31 | 1996-08-09 | Pioneer Electron Corp | Laminated optical disk and its production |
US5640382A (en) * | 1995-12-19 | 1997-06-17 | Imation Corp. | Dual layer optical medium having partially reflecting metal alloy layer |
US6007889A (en) * | 1998-06-22 | 1999-12-28 | Target Technology, Llc | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
-
1999
- 1999-09-13 DE DE59907819T patent/DE59907819D1/en not_active Expired - Lifetime
- 1999-09-13 EP EP99941355A patent/EP1119848B1/en not_active Expired - Lifetime
- 1999-09-13 AT AT99941355T patent/ATE254792T1/en not_active IP Right Cessation
- 1999-09-13 WO PCT/CH1999/000431 patent/WO2000021079A2/en active IP Right Grant
- 1999-09-13 JP JP2000575122A patent/JP4282236B2/en not_active Expired - Fee Related
- 1999-09-13 EP EP02020133A patent/EP1271501A3/en not_active Withdrawn
- 1999-09-29 TW TW088116720A patent/TW504689B/en not_active IP Right Cessation
-
2002
- 2002-01-25 HK HK02100618.0A patent/HK1040453B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1119848A2 (en) | 2001-08-01 |
EP1271501A2 (en) | 2003-01-02 |
WO2000021079A2 (en) | 2000-04-13 |
EP1119848B1 (en) | 2003-11-19 |
JP2002527846A (en) | 2002-08-27 |
JP4282236B2 (en) | 2009-06-17 |
WO2000021079A3 (en) | 2000-07-06 |
TW504689B (en) | 2002-10-01 |
DE59907819D1 (en) | 2003-12-24 |
HK1040453B (en) | 2004-09-10 |
EP1271501A3 (en) | 2008-10-29 |
ATE254792T1 (en) | 2003-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW200641875A (en) | Silver alloy reflective films for optical information recording media, silver alloy sputtering targets therefor, and optical information recording media | |
EP1441335A3 (en) | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium | |
US6645352B2 (en) | Optical data storage disk | |
EP1172810A3 (en) | Optical recording medium | |
AU7258896A (en) | Dual layer optical medium having partially reflecting gold alloy layer | |
EP0844607A3 (en) | Information recording medium and information recording and reproducing apparatus using the same | |
MY128618A (en) | Multi-layered optical disc | |
TW200622011A (en) | Silver alloy reflective film, sputtering target therefor, and optical information recording medium using the same | |
EP1746590A3 (en) | Silver alloy reflective films for optical information recording media, silver alloy sputtering targets therefor, and optical | |
EP1351230A3 (en) | Optical recording medium and method for optically recording information on the same | |
WO2006050418A3 (en) | Method and system for investing in commodity futures contracts | |
JP2002319185A (en) | Silver alloy for reflection film for optical recording disk | |
HK1040453A1 (en) | Optical data storage disk | |
DE69229207T2 (en) | Optical plate with corrosion-resistant metallic reflection layer | |
EP0917138A3 (en) | Recordable optical disks with metallic interlayer | |
US6258433B1 (en) | Optical recording medium | |
EP0836180A3 (en) | An optical recording medium with a metallic recording layer | |
JP2002527846A5 (en) | ||
EP0919996A3 (en) | Phase change optical disk having a reflection layer of noble metal, and optical data storage system therefor | |
JPH11154354A (en) | Optical recording medium | |
US6168901B1 (en) | Recordable optical element using low absorption materials | |
WO2005044578A8 (en) | Optical recoding medium and its manufacturing method, sputtering target, usage of optical recording medium, and optical recorder | |
AU2003294108A1 (en) | Method for making a recordable optical disc, optical disc and writeable layer obtained by said method | |
JPS6479951A (en) | Optical disk | |
JP2004133979A5 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20130913 |