DE3778389D1 - Magnetisch-optisches gedaechtnismedium. - Google Patents
Magnetisch-optisches gedaechtnismedium.Info
- Publication number
- DE3778389D1 DE3778389D1 DE8787301018T DE3778389T DE3778389D1 DE 3778389 D1 DE3778389 D1 DE 3778389D1 DE 8787301018 T DE8787301018 T DE 8787301018T DE 3778389 T DE3778389 T DE 3778389T DE 3778389 D1 DE3778389 D1 DE 3778389D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- memory medium
- optical memory
- optical
- medium
- 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
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
- 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
- G11B2007/2571—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 14 elements except carbon (Si, Ge, Sn, Pb)
-
- 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
- G11B7/2531—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 glass
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2354286 | 1986-02-05 | ||
JP61038706A JP2504946B2 (ja) | 1986-02-24 | 1986-02-24 | 光磁気記録用媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3778389D1 true DE3778389D1 (de) | 1992-05-27 |
Family
ID=26360917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787301018T Expired - Lifetime DE3778389D1 (de) | 1986-02-05 | 1987-02-05 | Magnetisch-optisches gedaechtnismedium. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0233062B1 (de) |
DE (1) | DE3778389D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3803000A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Flaechenfoermiges, mehrschichtiges magneto-optisches aufzeichnungsmaterial |
DE3802998A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Verfahren zur herstellung einer duennen roentgenamorphen aluminiumnitrid- oder aluminiumsiliciumnitridschicht auf einer oberflaeche |
JPH0224853A (ja) * | 1988-07-13 | 1990-01-26 | Matsushita Electric Ind Co Ltd | 光磁気記録媒体 |
JPH03295047A (ja) * | 1990-04-12 | 1991-12-26 | Nikon Corp | プラスチック基板を有するオーバーライト可能な光磁気記録媒体 |
DE102007033338B4 (de) * | 2007-07-16 | 2010-06-02 | Schott Ag | Hartstoffbeschichteter Glas- oder Glaskeramik-Artikel und Verfahren zu dessen Herstellung sowie Verwendung des Glas- oder Glaskeramik-Artikels |
DE102013102221B4 (de) * | 2013-03-06 | 2014-11-13 | Schott Ag | Kratzfester Glasgegenstand und Verfahren zur Herstellung kratzfester Oberflächen von Glasgegenständen |
DE202021104774U1 (de) | 2021-09-06 | 2022-01-04 | Schott Ag | Kratzfester Glasgegenstand |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0049821B1 (de) * | 1980-10-09 | 1987-04-15 | Kabushiki Kaisha Toshiba | Datenaufzeichnungsmedium |
JPS5938950A (ja) * | 1982-08-26 | 1984-03-03 | Sharp Corp | 磁気光学記憶素子 |
JPS5984358A (ja) * | 1982-11-04 | 1984-05-16 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
DE3382791T2 (de) * | 1982-12-15 | 1995-12-07 | Sharp Kk | Magneto-optischer Speicher. |
US4680742A (en) * | 1984-07-07 | 1987-07-14 | Kyocera Corporation | Magneto-optical recording element |
JPS6271042A (ja) * | 1985-09-24 | 1987-04-01 | Sharp Corp | 光メモリ素子 |
-
1987
- 1987-02-05 DE DE8787301018T patent/DE3778389D1/de not_active Expired - Lifetime
- 1987-02-05 EP EP87301018A patent/EP0233062B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0233062A2 (de) | 1987-08-19 |
EP0233062A3 (en) | 1989-03-22 |
EP0233062B1 (de) | 1992-04-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3751002D1 (de) | Halbleiterspeicher. | |
DE3782756D1 (de) | Direktzugriffspeichereinrichtung. | |
DE3750466D1 (de) | Aufzeichnungsgerät. | |
DE3685179D1 (de) | Speicherkarte. | |
DE3686994D1 (de) | Halbleiterspeicher. | |
DE3877234D1 (de) | Magnetooptisches informationstragendes medium. | |
DE3788747D1 (de) | Halbleiterspeicher. | |
DE3787324D1 (de) | Videospeicher. | |
DE3771238D1 (de) | Halbleiterspeicher. | |
DE3675445D1 (de) | Halbleiterspeicheranordnung. | |
DE3680562D1 (de) | Halbleiterspeicheranordnung. | |
DE3869158D1 (de) | Speicher-leseschaltung. | |
DE3783100D1 (de) | Festwertspeicheranordnung. | |
NO871304D0 (no) | Snegle-bekjempelsesmiddel. | |
DE3771571D1 (de) | Elektrophoresemedium. | |
DE3767635D1 (de) | Leseverstaerker. | |
DE3585811D1 (de) | Direktzugriffsspeicher. | |
FI903041A0 (fi) | Foerdelningsanordning foer medium. | |
FI861575A0 (fi) | Foerfarande foer odling av nematoder i vaetskeformigt medium. | |
DE3680829D1 (de) | Festwertspeicheranordnung. | |
DE3586736D1 (de) | Halbleiterspeicher. | |
DE3687284D1 (de) | Halbleiterspeicheranordnung. | |
DE3683783D1 (de) | Halbleiterspeicheranordnung. | |
DE3682346D1 (de) | Halbleiterspeicheranordnung. | |
DE3685889D1 (de) | Halbleiterspeicheranordnung. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |