JPH0444333B2 - - Google Patents
Info
- Publication number
- JPH0444333B2 JPH0444333B2 JP56004090A JP409081A JPH0444333B2 JP H0444333 B2 JPH0444333 B2 JP H0444333B2 JP 56004090 A JP56004090 A JP 56004090A JP 409081 A JP409081 A JP 409081A JP H0444333 B2 JPH0444333 B2 JP H0444333B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- thin film
- magnetic thin
- substrate
- magneto
- 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 38
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 14
- 230000005415 magnetization Effects 0.000 claims description 7
- 230000005374 Kerr effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical class 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 230000015654 memory Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 229910016629 MnBi Inorganic materials 0.000 description 1
- -1 SmTbFe Chemical class 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002902 ferrimagnetic material Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 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
Landscapes
- Thin Magnetic Films (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP409081A JPS57120253A (en) | 1981-01-14 | 1981-01-14 | Magnetooptical storage elemen |
| CA000393547A CA1185013A (en) | 1981-01-14 | 1982-01-04 | Magneto-optic memory medium |
| US06/337,132 US4390600A (en) | 1981-01-14 | 1982-01-05 | Magneto-optic memory medium |
| GB8200314A GB2094540B (en) | 1981-01-14 | 1982-01-06 | Magnetic-optical memory medium |
| DE3200661A DE3200661C2 (de) | 1981-01-14 | 1982-01-12 | Magneto-optischer Speicher |
| IT1905782A IT1149434B (it) | 1981-01-14 | 1982-01-12 | Supporto per una memoria di tipo magneto-ottico |
| FR8200451A FR2497994B1 (fr) | 1981-01-14 | 1982-01-13 | Support de memoire magneto-optique |
| US06/476,345 US4489139A (en) | 1981-01-14 | 1983-03-17 | Magneto-optic memory medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP409081A JPS57120253A (en) | 1981-01-14 | 1981-01-14 | Magnetooptical storage elemen |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61315244A Division JP2565884B2 (ja) | 1986-12-25 | 1986-12-25 | 磁気光学記憶素子 |
| JP12472287A Division JPS62295238A (ja) | 1987-05-20 | 1987-05-20 | 磁気光学記憶素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57120253A JPS57120253A (en) | 1982-07-27 |
| JPH0444333B2 true JPH0444333B2 (US06262066-20010717-C00315.png) | 1992-07-21 |
Family
ID=11575090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP409081A Granted JPS57120253A (en) | 1981-01-14 | 1981-01-14 | Magnetooptical storage elemen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57120253A (US06262066-20010717-C00315.png) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938781A (ja) * | 1982-08-27 | 1984-03-02 | Sharp Corp | 磁気光学記憶素子 |
| JPS5938779A (ja) * | 1982-08-27 | 1984-03-02 | Sharp Corp | 磁気光学記憶素子 |
| JPS5954056A (ja) * | 1982-09-21 | 1984-03-28 | Sharp Corp | 磁気光学記憶素子 |
| NL8203725A (nl) * | 1982-09-27 | 1984-04-16 | Philips Nv | Thermo-magneto-optische geheugeninrichting en registratiemedium daarvoor. |
| DE3376239D1 (en) * | 1982-12-06 | 1988-05-11 | Plasmon Data Systems Nv | Image forming and data storage |
| JPS59195356A (ja) * | 1983-04-21 | 1984-11-06 | Victor Co Of Japan Ltd | 情報記録媒体円盤 |
| JPS6185653A (ja) * | 1984-10-02 | 1986-05-01 | Sharp Corp | 光磁気メモリ素子 |
| JP2515761B2 (ja) * | 1986-11-12 | 1996-07-10 | 株式会社日立製作所 | 光記録媒体 |
| US5055353A (en) * | 1989-05-16 | 1991-10-08 | Fuji Photo Film Co., Ltd. | Magneto-optical recording medium |
| JP2662474B2 (ja) * | 1991-07-26 | 1997-10-15 | シャープ株式会社 | 光磁気記憶素子 |
| US5637411A (en) * | 1991-07-29 | 1997-06-10 | Hitachi Maxell, Ltd. | Magneto-optical recording medium and process for producing the same |
| JPH0746445B2 (ja) * | 1993-10-12 | 1995-05-17 | ダイセル化学工業株式会社 | 光磁気記録ディスクと、その製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54130103A (en) * | 1978-03-16 | 1979-10-09 | Philips Nv | Device for writing and reading information on recording carrier body and recording carrier body |
-
1981
- 1981-01-14 JP JP409081A patent/JPS57120253A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54130103A (en) * | 1978-03-16 | 1979-10-09 | Philips Nv | Device for writing and reading information on recording carrier body and recording carrier body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57120253A (en) | 1982-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4489139A (en) | Magneto-optic memory medium | |
| US4414650A (en) | Magneto-optic memory element | |
| US4449138A (en) | Information recording medium | |
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| JPH0442736B2 (US06262066-20010717-C00315.png) |
