JPH0545434B2 - - Google Patents
Info
- Publication number
- JPH0545434B2 JPH0545434B2 JP59113301A JP11330184A JPH0545434B2 JP H0545434 B2 JPH0545434 B2 JP H0545434B2 JP 59113301 A JP59113301 A JP 59113301A JP 11330184 A JP11330184 A JP 11330184A JP H0545434 B2 JPH0545434 B2 JP H0545434B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- germanium oxide
- layer
- reflectance
- oxide layer
- 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
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 27
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 25
- 239000010409 thin film Substances 0.000 claims description 13
- 229910010272 inorganic material Inorganic materials 0.000 claims description 6
- 239000011147 inorganic material Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 229910002616 GeOx Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 38
- 239000010408 film Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000007740 vapor deposition Methods 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940119177 germanium dioxide Drugs 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 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
- G11B7/252—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
-
- 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
- G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
-
- 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
- G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
-
- 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
- G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
-
- 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
- G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
-
- 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
- G11B2007/24318—Non-metallic elements
- G11B2007/2432—Oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59113301A JPS60257291A (ja) | 1984-06-01 | 1984-06-01 | 光学情報記録部材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59113301A JPS60257291A (ja) | 1984-06-01 | 1984-06-01 | 光学情報記録部材 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27697390A Division JPH03141054A (ja) | 1990-10-15 | 1990-10-15 | 光学情報記録部材の製法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60257291A JPS60257291A (ja) | 1985-12-19 |
JPH0545434B2 true JPH0545434B2 (de) | 1993-07-09 |
Family
ID=14608744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59113301A Granted JPS60257291A (ja) | 1984-06-01 | 1984-06-01 | 光学情報記録部材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60257291A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787077A (en) * | 1985-08-15 | 1988-11-22 | International Business Machines Corporation | Process for optically storing information using materials having a single phase in both the crystalline state and the amorphous state |
JPH0777040B2 (ja) * | 1986-03-28 | 1995-08-16 | 株式会社東芝 | 光記録媒体 |
JPS63251290A (ja) * | 1987-04-08 | 1988-10-18 | Hitachi Ltd | 光記録媒体と記録・再生方法及びその応用 |
JP2525184B2 (ja) * | 1987-05-29 | 1996-08-14 | 日本コロムビア株式会社 | 光情報記録媒体 |
US5273861A (en) * | 1987-12-04 | 1993-12-28 | Matsushita Electric Industrial Co., Ltd. | Optical information recording medium, method of making an optical information recording medium and method of recording/reproducing optical information |
JPH0264936A (ja) * | 1988-08-30 | 1990-03-05 | Hitachi Ltd | 光学的情報記録媒体 |
US5268254A (en) * | 1989-02-28 | 1993-12-07 | Fuji Xerox Co., Ltd. | Optical recording medium |
JPH03141054A (ja) * | 1990-10-15 | 1991-06-17 | Matsushita Electric Ind Co Ltd | 光学情報記録部材の製法 |
US7427431B2 (en) * | 2004-04-28 | 2008-09-23 | Sony Corporation | Write once optical recording medium |
JP2008183735A (ja) * | 2007-01-26 | 2008-08-14 | Sony Corp | 追記型光記録媒体およびその製造方法 |
-
1984
- 1984-06-01 JP JP59113301A patent/JPS60257291A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60257291A (ja) | 1985-12-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH10302310A (ja) | 光学記録媒体及び光学ディスク装置 | |
JPH08255374A (ja) | 多層光ディスク及びその信号再生方法 | |
JPH0545434B2 (de) | ||
JP3351761B2 (ja) | 多数の記録層を有する光記録媒体とその製造方法 | |
US7244532B2 (en) | Holographic recording medium | |
US5811217A (en) | Optical information recording medium and optical information recording/reproducing method | |
JP4080741B2 (ja) | 多層光記録媒体の製造方法および多層光記録媒体 | |
JPH0221060B2 (de) | ||
JP4165974B2 (ja) | 多層光ディスク | |
JP2003303442A (ja) | 光学記録媒体 | |
US20020057646A1 (en) | Optical information recording medium and method of manufacturing the same | |
JPH03141054A (ja) | 光学情報記録部材の製法 | |
JP4345246B2 (ja) | 光学記録媒体 | |
JPH117658A (ja) | 光学記録媒体及び光学ディスク装置 | |
JP2782910B2 (ja) | 光学的情報記録方法、再生方法及び消去方法 | |
JP4260929B2 (ja) | 光学的情報記録媒体及びその製造方法 | |
JP3139479B2 (ja) | 情報記録媒体、情報記録媒体の製造方法、情報の記録・再生方法、及び、情報の消去方法 | |
JP2940176B2 (ja) | 光学記録媒体およびその記録再生方法 | |
JPH0553022B2 (de) | ||
JPH10302314A (ja) | 多層構造光情報媒体 | |
JP3082380B2 (ja) | 書き換え可能な光情報記録媒体 | |
JPS615450A (ja) | 光学記録部材 | |
JPH03240589A (ja) | 光情報記録媒体 | |
JPH0337840A (ja) | 相変化型光ディスク | |
JPH08147758A (ja) | 光記録媒体及び光ディスク再生方法及び光ディスク再生装置 |