JPH0125149B2 - - Google Patents
Info
- Publication number
- JPH0125149B2 JPH0125149B2 JP55084316A JP8431680A JPH0125149B2 JP H0125149 B2 JPH0125149 B2 JP H0125149B2 JP 55084316 A JP55084316 A JP 55084316A JP 8431680 A JP8431680 A JP 8431680A JP H0125149 B2 JPH0125149 B2 JP H0125149B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- magneto
- thin film
- magnetic thin
- track
- 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
Links
- 239000010409 thin film Substances 0.000 claims description 8
- 239000010408 film Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910016629 MnBi Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 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
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8431680A JPS5712429A (en) | 1980-06-20 | 1980-06-20 | Magnetooptic storage element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8431680A JPS5712429A (en) | 1980-06-20 | 1980-06-20 | Magnetooptic storage element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5712429A JPS5712429A (en) | 1982-01-22 |
| JPH0125149B2 true JPH0125149B2 (US06272168-20010807-M00014.png) | 1989-05-16 |
Family
ID=13827097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8431680A Granted JPS5712429A (en) | 1980-06-20 | 1980-06-20 | Magnetooptic storage element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5712429A (US06272168-20010807-M00014.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991006035A1 (en) * | 1989-10-18 | 1991-05-02 | Research Corporation Technologies, Inc. | Light-sensitive recording media |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58205938A (ja) * | 1982-05-24 | 1983-12-01 | Nippon Columbia Co Ltd | 光情報記録媒体の製造方法 |
| JPS60212849A (ja) * | 1984-04-06 | 1985-10-25 | Ricoh Co Ltd | 光磁気記録媒体 |
| JPS60253038A (ja) * | 1984-05-29 | 1985-12-13 | Ricoh Co Ltd | 光磁気デイスク |
| US4985885A (en) * | 1987-07-01 | 1991-01-15 | Sharp Kabushiki Kaisha | Optical memory device |
| DE4220486A1 (de) * | 1992-06-23 | 1994-01-05 | Thomson Brandt Gmbh | Aufzeichnung und Wiedergabe von Informationen bei ROM-RAM-Speichermedien |
-
1980
- 1980-06-20 JP JP8431680A patent/JPS5712429A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991006035A1 (en) * | 1989-10-18 | 1991-05-02 | Research Corporation Technologies, Inc. | Light-sensitive recording media |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5712429A (en) | 1982-01-22 |
