DE3887589T2 - Magnetooptischer Aufzeichnungsträger. - Google Patents
Magnetooptischer Aufzeichnungsträger.Info
- Publication number
- DE3887589T2 DE3887589T2 DE3887589T DE3887589T DE3887589T2 DE 3887589 T2 DE3887589 T2 DE 3887589T2 DE 3887589 T DE3887589 T DE 3887589T DE 3887589 T DE3887589 T DE 3887589T DE 3887589 T2 DE3887589 T2 DE 3887589T2
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- recording medium
- optical recording
- 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 - 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
- G11B7/242—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
-
- 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
- G11B11/10589—Details
- G11B11/10593—Details for improving read-out properties, e.g. polarisation of light
-
- 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
-
- 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
- G11B11/10589—Details
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62192642A JPS6437743A (en) | 1987-08-03 | 1987-08-03 | Magneto-optical recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3887589D1 DE3887589D1 (de) | 1994-03-17 |
DE3887589T2 true DE3887589T2 (de) | 1994-05-19 |
Family
ID=16294644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3887589T Expired - Fee Related DE3887589T2 (de) | 1987-08-03 | 1988-07-28 | Magnetooptischer Aufzeichnungsträger. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0302393B1 (de) |
JP (1) | JPS6437743A (de) |
KR (1) | KR920000427B1 (de) |
DE (1) | DE3887589T2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5055364A (en) * | 1989-11-13 | 1991-10-08 | Eastman Kodak Company | Magnetooptical recording element |
DE4008075A1 (de) * | 1990-03-14 | 1991-09-19 | Basf Ag | Magnetooptische datenplatte |
DE4029874A1 (de) * | 1990-09-21 | 1992-03-26 | Basf Ag | Magnetooptische datenplatte mit pt-haltiger leseschicht |
DE4039919A1 (de) * | 1990-12-14 | 1992-06-17 | Basf Ag | Magnetooptische datenplatte mit korrosionsstabiler magnetooptischer doppelschicht |
US7125073B2 (en) | 2003-02-25 | 2006-10-24 | Takata Corporation | Child seat |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4719137A (en) * | 1984-04-13 | 1988-01-12 | Sharp Kabushiki Kaisha | Magneto-optic memory element |
-
1987
- 1987-08-03 JP JP62192642A patent/JPS6437743A/ja active Pending
-
1988
- 1988-07-28 EP EP88112255A patent/EP0302393B1/de not_active Expired - Lifetime
- 1988-07-28 DE DE3887589T patent/DE3887589T2/de not_active Expired - Fee Related
- 1988-07-29 KR KR1019880009618A patent/KR920000427B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3887589D1 (de) | 1994-03-17 |
JPS6437743A (en) | 1989-02-08 |
KR890004284A (ko) | 1989-04-21 |
EP0302393A3 (en) | 1990-05-16 |
KR920000427B1 (ko) | 1992-01-13 |
EP0302393A2 (de) | 1989-02-08 |
EP0302393B1 (de) | 1994-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3778168D1 (de) | Magnetisches aufzeichnungsmedium. | |
DE3877234D1 (de) | Magnetooptisches informationstragendes medium. | |
DE3773239D1 (de) | Magnetisches aufzeichnungsmedium. | |
DE3888109D1 (de) | Magneto-optisches Aufzeichnungsmedium. | |
DE68921527D1 (de) | Magnetooptischer Aufzeignungsträger. | |
DE3680478D1 (de) | Magnetooptisches aufzeichnungsmedium. | |
DE3853640T2 (de) | Informationsaufzeichnungsmedium. | |
DE69112168T2 (de) | Magnetooptisches Aufzeichnungsmedium. | |
DE68917903T2 (de) | Magneto-optischer Aufzeichnungsträger. | |
DE3580635D1 (de) | Magnetisches aufzeichnungsmedium. | |
DE3575357D1 (de) | Magnetisches aufzeichnungsmedium. | |
DE69020992T2 (de) | Magneto-optisches Aufzeichnungsmedium. | |
DE68925393D1 (de) | Magneto-optisches Aufzeichnungsmedium | |
DE3481661D1 (de) | Magnetisches aufzeichnungsmedium. | |
DE69016171D1 (de) | Magnetooptisches Aufzeichnungsmedium. | |
NL191807C (nl) | Magneto-optisch registratiemiddel. | |
DE3887589D1 (de) | Magnetooptischer Aufzeichnungsträger. | |
DE69021606T2 (de) | Magnetooptischer Aufzeichungsträger. | |
DE69015407T2 (de) | Magnetooptischer Aufzeichnungsträger. | |
DE3885711T2 (de) | Magnetooptischer Aufzeichnungsträger. | |
DE3883310T2 (de) | Magnetooptische Datenträger. | |
DE3770436D1 (de) | Magnetisches aufzeichnungsmedium. | |
DE3883261D1 (de) | Informationsaufzeichnungsmedium. | |
DE3787057T2 (de) | Magnetooptischer Aufzeichnungsträger. | |
DE3773517D1 (de) | Magneto-optisches aufzeichnungsmedium. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |