JPH034973B2 - - Google Patents
Info
- Publication number
- JPH034973B2 JPH034973B2 JP56070284A JP7028481A JPH034973B2 JP H034973 B2 JPH034973 B2 JP H034973B2 JP 56070284 A JP56070284 A JP 56070284A JP 7028481 A JP7028481 A JP 7028481A JP H034973 B2 JPH034973 B2 JP H034973B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- reflective film
- magneto
- recording
- thin film
- 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 64
- 230000005291 magnetic effect Effects 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 11
- 239000010409 thin film Substances 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 8
- 230000005415 magnetization Effects 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 1
- 229910016629 MnBi Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002902 ferrimagnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004544 sputter deposition Methods 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
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7028481A JPS57183647A (en) | 1981-05-08 | 1981-05-08 | Magentrooptical storage element |
| US06/275,388 US4414650A (en) | 1980-06-23 | 1981-06-19 | Magneto-optic memory element |
| FR8112234A FR2485241B1 (fr) | 1980-06-23 | 1981-06-22 | Element de memorisation magneto-optique |
| GB8119345A GB2081537B (en) | 1980-06-23 | 1981-06-23 | Magneto-optic memory element |
| DE3124573A DE3124573C2 (de) | 1980-06-23 | 1981-06-23 | Magneto-optisches Speichermedium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7028481A JPS57183647A (en) | 1981-05-08 | 1981-05-08 | Magentrooptical storage element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57183647A JPS57183647A (en) | 1982-11-12 |
| JPH034973B2 true JPH034973B2 (zh) | 1991-01-24 |
Family
ID=13427023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7028481A Granted JPS57183647A (en) | 1980-06-23 | 1981-05-08 | Magentrooptical storage element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57183647A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6391847A (ja) * | 1986-10-03 | 1988-04-22 | Ricoh Co Ltd | 光磁気記録媒体 |
| JPH04364250A (ja) * | 1991-09-26 | 1992-12-16 | Brother Ind Ltd | 光記録媒体 |
| JP2790553B2 (ja) * | 1991-10-25 | 1998-08-27 | シャープ株式会社 | 光磁気記憶素子 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105344A (en) * | 1980-01-25 | 1981-08-21 | Fuji Photo Film Co Ltd | Photomagnetic recording medium |
-
1981
- 1981-05-08 JP JP7028481A patent/JPS57183647A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105344A (en) * | 1980-01-25 | 1981-08-21 | Fuji Photo Film Co Ltd | Photomagnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57183647A (en) | 1982-11-12 |
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