JPS6255226U - - Google Patents
Info
- Publication number
- JPS6255226U JPS6255226U JP14637285U JP14637285U JPS6255226U JP S6255226 U JPS6255226 U JP S6255226U JP 14637285 U JP14637285 U JP 14637285U JP 14637285 U JP14637285 U JP 14637285U JP S6255226 U JPS6255226 U JP S6255226U
- Authority
- JP
- Japan
- Prior art keywords
- reproduced
- recording layer
- recorded
- recording disk
- utility
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
Description
第１図はこの考案の記録デイスクの一実施例の
構成を示す断面図、第２図は同上記録デイスクの
再生状態を示す図、第３図はこの考案の記録デイ
スクの他の実施例の断面図、第４図は従来の光学
的記録デイスクの断面図である。
１１……光学的記録層、１１ａ……ピツト、１
２……磁気的記録層、１３……光ピツクアツプ、
１４……磁気ヘツド、１５……記録デイスク。
FIG. 1 is a sectional view showing the structure of one embodiment of the recording disk of this invention, FIG. 2 is a view showing the reproduction state of the same recording disk, and FIG. 3 is a sectional view of another embodiment of the recording disk of this invention. FIG. 4 is a sectional view of a conventional optical recording disk. 11... Optical recording layer, 11a... Pit, 1
2... Magnetic recording layer, 13... Optical pickup,
14... Magnetic head, 15... Recording disk.
Claims (1)
、磁気記録あるいは再生可能な磁気記録層とを層
状となつて形成されていることを特徴とする記録
デイスク。 A recording disk characterized in that it is formed of an optical recording layer that can be optically recorded or reproduced and a magnetic recording layer that can be magnetically recorded or reproduced in a layered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14637285U JPS6255226U (en) | 1985-09-25 | 1985-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14637285U JPS6255226U (en) | 1985-09-25 | 1985-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6255226U true JPS6255226U (en) | 1987-04-06 |
Family
ID=31058773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14637285U Pending JPS6255226U (en) | 1985-09-25 | 1985-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6255226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007617A1 (en) * | 1991-10-09 | 1993-04-15 | Seiko Epson Corporation | Data recording medium, its production, and data recording/reproduction apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582736B2 (en) * | 1973-10-22 | 1983-01-18 | ジユウリオ プロペルツイ | Chiyuzou lint Golden beetle Tosonaeta Renzokuchiyuuzou sochi |
-
1985
- 1985-09-25 JP JP14637285U patent/JPS6255226U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582736B2 (en) * | 1973-10-22 | 1983-01-18 | ジユウリオ プロペルツイ | Chiyuzou lint Golden beetle Tosonaeta Renzokuchiyuuzou sochi |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007617A1 (en) * | 1991-10-09 | 1993-04-15 | Seiko Epson Corporation | Data recording medium, its production, and data recording/reproduction apparatus |
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