JPS6435526U - - Google Patents
Info
- Publication number
- JPS6435526U JPS6435526U JP12814787U JP12814787U JPS6435526U JP S6435526 U JPS6435526 U JP S6435526U JP 12814787 U JP12814787 U JP 12814787U JP 12814787 U JP12814787 U JP 12814787U JP S6435526 U JPS6435526 U JP S6435526U
- Authority
- JP
- Japan
- Prior art keywords
- recording layer
- magneto
- magnetic
- optical
- optical recording
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Description
第１図は本考案の一実施例における要部を示す
斜視図である。第２図は第１図の複合型光デイス
クの適用例を説明するブロツク線図である。
１０：複合型光デイスク、１１：ガラス基板（
基板）、１４：光磁気記録層、１６：第１保護層
（バツフア層）、１８：磁性記録層、２４：磁気
ヘツド。
FIG. 1 is a perspective view showing the main parts of an embodiment of the present invention. FIG. 2 is a block diagram illustrating an example of application of the composite optical disk of FIG. 1. 10: Composite optical disk, 11: Glass substrate (
14: magneto-optical recording layer, 16: first protective layer (buffer layer), 18: magnetic recording layer, 24: magnetic head.
Claims (1)
する物質から構成されることにより、光の集光に
よる局部加熱に基づいて局部磁化され且つ該局部
磁化に対応する記録情報が光学的に読み出される
光磁気記録層と、 該光磁気記録層上、または該光磁気記録層と同
一平面内で前記基板の一面に設けられ、磁性物質
から構成されることにより、磁気ヘツドによつて
局部磁化され且つ該局部磁化に対応する記録情報
が該磁気ヘツドにより磁気的に読み出される磁性
記録層と、 を含むことを特徴とする複合型光デイスク。 (2) 前記磁性記録層は、前記光磁気記録層の上
にバツフア層を介して積層されているものである
実用新案登録請求の範囲第１項に記載の複合型光
デイスク。[Claims for Utility Model Registration] (1) Consisting of a substrate made of a translucent material and a material provided on one surface of the substrate and having a magneto-optical effect, the invention is based on local heating by condensing light. a magneto-optical recording layer that is locally magnetized by the magneto-optical recording layer and from which recorded information corresponding to the local magnetization is optically read; , a magnetic recording layer that is made of a magnetic material and is locally magnetized by a magnetic head, and from which recorded information corresponding to the local magnetization is magnetically read out by the magnetic head. Type light disk. (2) The composite optical disk according to claim 1, wherein the magnetic recording layer is laminated on the magneto-optical recording layer via a buffer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12814787U JPS6435526U (en) | 1987-08-24 | 1987-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12814787U JPS6435526U (en) | 1987-08-24 | 1987-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435526U true JPS6435526U (en) | 1989-03-03 |
Family
ID=31381208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12814787U Pending JPS6435526U (en) | 1987-08-24 | 1987-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435526U (en) |
-
1987
- 1987-08-24 JP JP12814787U patent/JPS6435526U/ja active Pending
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