DE3887882D1 - Datenspeicherungsmedium. - Google Patents
Datenspeicherungsmedium.Info
- Publication number
- DE3887882D1 DE3887882D1 DE89900895T DE3887882T DE3887882D1 DE 3887882 D1 DE3887882 D1 DE 3887882D1 DE 89900895 T DE89900895 T DE 89900895T DE 3887882 T DE3887882 T DE 3887882T DE 3887882 D1 DE3887882 D1 DE 3887882D1
- Authority
- DE
- Germany
- Prior art keywords
- storage medium
- data storage
- data
- medium
- storage
- 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 - Fee Related
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
- G11B7/241—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
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
-
- 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
- G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
-
- 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
- G11B2007/25705—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
- G11B2007/25708—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 containing group 13 elements (B, Al, Ga)
-
- 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
- G11B2007/25705—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
- G11B2007/25713—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 containing nitrogen
-
- 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
- G11B2007/25705—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
- G11B2007/25715—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 containing oxygen
-
- 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
-
- 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
- G11B7/256—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 improving adhesion between layers
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62328517A JPH01169759A (ja) | 1987-12-24 | 1987-12-24 | 情報記録担体 |
PCT/JP1988/001312 WO1989006037A1 (en) | 1987-12-24 | 1988-12-23 | Data recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3887882D1 true DE3887882D1 (de) | 1994-03-24 |
DE3887882T2 DE3887882T2 (de) | 1994-06-01 |
Family
ID=18211161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3887882T Expired - Fee Related DE3887882T2 (de) | 1987-12-24 | 1988-12-23 | Datenspeicherungsmedium. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0352333B1 (de) |
JP (1) | JPH01169759A (de) |
DE (1) | DE3887882T2 (de) |
WO (1) | WO1989006037A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04106742A (ja) * | 1990-08-27 | 1992-04-08 | Shin Etsu Chem Co Ltd | 光磁気記録媒体 |
US6222271B1 (en) | 1997-07-15 | 2001-04-24 | Micron Technology, Inc. | Method of using hydrogen gas in sputter deposition of aluminum-containing films and aluminum-containing films derived therefrom |
US5969423A (en) | 1997-07-15 | 1999-10-19 | Micron Technology, Inc. | Aluminum-containing films derived from using hydrogen and oxygen gas in sputter deposition |
TW574394B (en) * | 1997-07-15 | 2004-02-01 | Micron Technology Inc | Method of using hydrogen and oxygen gas in sputter deposition of aluminum-containing films and aluminum-containing films derived therefrom |
JP2000113426A (ja) * | 1998-10-06 | 2000-04-21 | Tdk Corp | 薄膜デバイス、薄膜磁気ヘッドおよび磁気抵抗効果素子 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680742A (en) * | 1984-07-07 | 1987-07-14 | Kyocera Corporation | Magneto-optical recording element |
JPS61198450A (ja) * | 1985-02-27 | 1986-09-02 | Fujitsu Ltd | 光デイスク保護膜の形成方法 |
JPH0785314B2 (ja) * | 1986-02-05 | 1995-09-13 | 沖電気工業株式会社 | 光磁気記録用媒体の保護膜 |
JP2504946B2 (ja) * | 1986-02-24 | 1996-06-05 | 沖電気工業株式会社 | 光磁気記録用媒体 |
DE3716736A1 (de) * | 1987-05-19 | 1988-12-01 | Basf Ag | Flaechenfoermiges, mehrschichtiges, magneto-optisches aufzeichnungsmaterial |
-
1987
- 1987-12-24 JP JP62328517A patent/JPH01169759A/ja active Pending
-
1988
- 1988-12-23 DE DE3887882T patent/DE3887882T2/de not_active Expired - Fee Related
- 1988-12-23 WO PCT/JP1988/001312 patent/WO1989006037A1/ja active IP Right Grant
-
1989
- 1989-07-05 EP EP19890900895 patent/EP0352333B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3887882T2 (de) | 1994-06-01 |
EP0352333A1 (de) | 1990-01-31 |
JPH01169759A (ja) | 1989-07-05 |
WO1989006037A1 (en) | 1989-06-29 |
EP0352333B1 (de) | 1994-02-16 |
EP0352333A4 (en) | 1991-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3751578T2 (de) | Datenspeichersystem. | |
DE3889561T2 (de) | Sichere Informationsspeicherung. | |
DE3889860D1 (de) | Tragbares Speichermedium. | |
DE3587400D1 (de) | Datenspeicherungsanordnung. | |
DE3886440D1 (de) | Aufzeichnungsmittel. | |
DE68902193T2 (de) | Datenspeicheranordnung. | |
DE3879720D1 (de) | Kartenfoermiges informationsspeichermedium. | |
DE3853640T2 (de) | Informationsaufzeichnungsmedium. | |
DE3886697D1 (de) | Datenspeichergerät. | |
DE68909250T2 (de) | Datenspeicherverfahren. | |
DE3884013D1 (de) | Optischer Datenaufzeichnungsträger. | |
DE3850050D1 (de) | Optisches Speichermedium. | |
DE68921325D1 (de) | Medium für Datenspeicherung. | |
NO882138D0 (no) | Datalagringssystem. | |
DE3482654D1 (de) | Datenspeichergeraet. | |
DE3777081D1 (de) | Informationsspeichermedium. | |
DE3854370T2 (de) | Datenaufzeichnungsmedium. | |
DE3482856D1 (de) | Optisches informationsspeichermedium. | |
DE3873332D1 (de) | Magnetisches speichermedium. | |
DE3679249D1 (de) | Optisches informationsspeicherungsmedium. | |
DE3884662T2 (de) | Medium für Informationsspeicherung. | |
DE3887882D1 (de) | Datenspeicherungsmedium. | |
DE3883261T2 (de) | Informationsaufzeichnungsmedium. | |
DE3751135D1 (de) | Informationsspeichermedium. | |
DE3679513D1 (de) | Optisches informationsspeichermedium. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |