DE3309483C3 - Magnetooptisches Aufzeichnungsmaterial und dessen Verwendung - Google Patents
Magnetooptisches Aufzeichnungsmaterial und dessen VerwendungInfo
- Publication number
- DE3309483C3 DE3309483C3 DE19833309483 DE3309483A DE3309483C3 DE 3309483 C3 DE3309483 C3 DE 3309483C3 DE 19833309483 DE19833309483 DE 19833309483 DE 3309483 A DE3309483 A DE 3309483A DE 3309483 C3 DE3309483 C3 DE 3309483C3
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- recording material
- layer
- optical recording
- composition
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/13—Amorphous metallic alloys, e.g. glassy metals
- H01F10/133—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals
- H01F10/135—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals containing transition metals
- H01F10/137—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals containing transition metals containing cobalt
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Thin Magnetic Films (AREA)
Description
berücksichtigt wird.
Claims (5)
Tby(Fe1-xCox)1-y
worin
0,05 ≦ x ≦ 0,15
0,1 ≦ y ≦ 0,4.
Tby(Fe1-xCox)1-y
worin
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3348424A DE3348424C2 (de) | 1982-03-17 | 1983-03-16 | Verfahren zur Herstellung eines magnetooptischen Aufzeichnungsmaterials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4241182A JPS58159252A (ja) | 1982-03-17 | 1982-03-17 | 磁気光学記録媒体 |
JP3397383A JPS59159510A (ja) | 1983-03-01 | 1983-03-01 | 磁気光学記録媒体 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3309483A1 DE3309483A1 (de) | 1983-09-29 |
DE3309483C2 DE3309483C2 (de) | 1990-09-20 |
DE3309483C3 true DE3309483C3 (de) | 2003-02-27 |
Family
ID=26372760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833309483 Expired - Lifetime DE3309483C3 (de) | 1982-03-17 | 1983-03-16 | Magnetooptisches Aufzeichnungsmaterial und dessen Verwendung |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3309483C3 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS595450A (ja) * | 1982-07-02 | 1984-01-12 | Ricoh Co Ltd | 光磁気記録媒体 |
JPS5961011A (ja) * | 1982-09-30 | 1984-04-07 | Ricoh Co Ltd | 光磁気記録媒体 |
JPS6122608A (ja) * | 1984-07-11 | 1986-01-31 | Hitachi Ltd | 光磁気記録材料 |
DE3536210A1 (de) * | 1984-10-11 | 1986-04-17 | Hitachi, Ltd., Tokio/Tokyo | Magnetooptisches aufzeichnungsmedium |
DE3904611A1 (de) * | 1989-02-16 | 1990-08-23 | Hoechst Ag | Magnetooptische schicht und verfahren zu ihrer herstellung |
DE4137427C1 (de) * | 1991-11-14 | 1993-01-14 | Hoechst Ag, 6230 Frankfurt, De |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2071696A (en) * | 1980-03-12 | 1981-09-23 | Kokusai Denshin Denwa Co Ltd | Magneto-optical Recording Medium |
DE3106653A1 (de) * | 1980-02-23 | 1982-01-21 | Sharp K.K., Osaka | Magnetooptisches speichermedium |
-
1983
- 1983-03-16 DE DE19833309483 patent/DE3309483C3/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3106653A1 (de) * | 1980-02-23 | 1982-01-21 | Sharp K.K., Osaka | Magnetooptisches speichermedium |
GB2071696A (en) * | 1980-03-12 | 1981-09-23 | Kokusai Denshin Denwa Co Ltd | Magneto-optical Recording Medium |
Also Published As
Publication number | Publication date |
---|---|
DE3309483C2 (de) | 1990-09-20 |
DE3309483A1 (de) | 1983-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: G03G 5/16 |
|
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8369 | Partition in: |
Ref document number: 3348424 Country of ref document: DE Format of ref document f/p: P |
|
Q171 | Divided out to: |
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|
AH | Division in |
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|
8366 | Restricted maintained after opposition proceedings | ||
8325 | Change of the main classification |
Ipc: G02F 1/09 |
|
8305 | Restricted maintenance of patent after opposition | ||
AH | Division in |
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