JPH0430098B2 - - Google Patents
Info
- Publication number
- JPH0430098B2 JPH0430098B2 JP11590682A JP11590682A JPH0430098B2 JP H0430098 B2 JPH0430098 B2 JP H0430098B2 JP 11590682 A JP11590682 A JP 11590682A JP 11590682 A JP11590682 A JP 11590682A JP H0430098 B2 JPH0430098 B2 JP H0430098B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- rare earth
- transition metal
- earth transition
- refractive index
- 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
- 239000010408 film Substances 0.000 claims description 65
- 239000010409 thin film Substances 0.000 claims description 15
- -1 rare earth transition metal Chemical class 0.000 claims description 13
- 229910052723 transition metal Inorganic materials 0.000 claims description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 12
- 230000015654 memory Effects 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 8
- 230000005415 magnetization Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 description 20
- 238000013459 approach Methods 0.000 description 4
- 229910016629 MnBi Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 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
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11590682A JPS598150A (ja) | 1982-07-02 | 1982-07-02 | 磁気光学記憶素子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11590682A JPS598150A (ja) | 1982-07-02 | 1982-07-02 | 磁気光学記憶素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS598150A JPS598150A (ja) | 1984-01-17 |
| JPH0430098B2 true JPH0430098B2 (en]) | 1992-05-20 |
Family
ID=14674129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11590682A Granted JPS598150A (ja) | 1982-07-02 | 1982-07-02 | 磁気光学記憶素子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS598150A (en]) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59116990A (ja) * | 1982-12-24 | 1984-07-06 | Ricoh Co Ltd | 光磁気記録媒体 |
| JPS60171653A (ja) * | 1984-02-16 | 1985-09-05 | Yokogawa Hokushin Electric Corp | 光磁気デスク |
| JPS60209940A (ja) * | 1984-03-31 | 1985-10-22 | Sony Corp | 光学式記録媒体 |
| JPH0719396B2 (ja) * | 1985-12-09 | 1995-03-06 | ソニー株式会社 | 情報記録媒体 |
| JPS62232740A (ja) * | 1986-04-01 | 1987-10-13 | Sharp Corp | 磁気光学記憶素子 |
| JPS62170050A (ja) * | 1986-01-22 | 1987-07-27 | Sumitomo Electric Ind Ltd | 光磁気デイスク |
| JP2527762B2 (ja) * | 1987-09-07 | 1996-08-28 | 三菱化学株式会社 | 光磁気記録媒体 |
| JP2742089B2 (ja) * | 1988-10-21 | 1998-04-22 | 沖電気工業株式会社 | 光磁気記録媒体 |
| CA2017284C (en) * | 1989-07-04 | 1995-10-03 | Kazutomi Suzuki | Optical recording medium |
| JP2541677B2 (ja) * | 1989-08-09 | 1996-10-09 | 帝人株式会社 | 光記録媒体 |
| EP0598377B1 (en) * | 1992-11-17 | 1999-09-22 | Mitsubishi Chemical Corporation | Magneto-optical recording medium and optical information recording and reading-out method |
-
1982
- 1982-07-02 JP JP11590682A patent/JPS598150A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS598150A (ja) | 1984-01-17 |
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