JPS5774854A - Magnetic optical storing element - Google Patents
Magnetic optical storing elementInfo
- Publication number
- JPS5774854A JPS5774854A JP14915880A JP14915880A JPS5774854A JP S5774854 A JPS5774854 A JP S5774854A JP 14915880 A JP14915880 A JP 14915880A JP 14915880 A JP14915880 A JP 14915880A JP S5774854 A JPS5774854 A JP S5774854A
- Authority
- JP
- Japan
- Prior art keywords
- film
- reflection
- guide track
- recording
- amorphous
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title abstract 5
- 230000003287 optical effect Effects 0.000 title abstract 2
- 239000000696 magnetic material Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- 230000005374 Kerr effect Effects 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000002902 ferrimagnetic material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Classifications
- 
        - 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
 
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP14915880A JPS5774854A (en) | 1980-10-23 | 1980-10-23 | Magnetic optical storing element | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP14915880A JPS5774854A (en) | 1980-10-23 | 1980-10-23 | Magnetic optical storing element | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPS5774854A true JPS5774854A (en) | 1982-05-11 | 
| JPH0263261B2 JPH0263261B2 (OSRAM) | 1990-12-27 | 
Family
ID=15469052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP14915880A Granted JPS5774854A (en) | 1980-10-23 | 1980-10-23 | Magnetic optical storing element | 
Country Status (1)
| Country | Link | 
|---|---|
| JP (1) | JPS5774854A (OSRAM) | 
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPH03242841A (ja) * | 1990-02-21 | 1991-10-29 | Matsushita Electric Ind Co Ltd | 光磁気ディスク | 
| US5714251A (en) * | 1982-12-15 | 1998-02-03 | Sharp Kabushiki Kaisha | Magneto-optic memory device | 
| US8139469B2 (en) * | 2008-06-30 | 2012-03-20 | Thomson Licensing | Compatible optical recording medium | 
- 
        1980
        - 1980-10-23 JP JP14915880A patent/JPS5774854A/ja active Granted
 
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US5714251A (en) * | 1982-12-15 | 1998-02-03 | Sharp Kabushiki Kaisha | Magneto-optic memory device | 
| US5738765A (en) * | 1982-12-15 | 1998-04-14 | Sharp Kabushiki Kaisha | Magneto-optic memory device | 
| JPH03242841A (ja) * | 1990-02-21 | 1991-10-29 | Matsushita Electric Ind Co Ltd | 光磁気ディスク | 
| US8139469B2 (en) * | 2008-06-30 | 2012-03-20 | Thomson Licensing | Compatible optical recording medium | 
Also Published As
| Publication number | Publication date | 
|---|---|
| JPH0263261B2 (OSRAM) | 1990-12-27 | 
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