JPH025123U - - Google Patents
Info
- Publication number
- JPH025123U JPH025123U JP8104388U JP8104388U JPH025123U JP H025123 U JPH025123 U JP H025123U JP 8104388 U JP8104388 U JP 8104388U JP 8104388 U JP8104388 U JP 8104388U JP H025123 U JPH025123 U JP H025123U
- Authority
- JP
- Japan
- Prior art keywords
- protective film
- photopolymer layer
- face portion
- film
- upper protective
- 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
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係る光磁気デイスクの断面構
造図、第２図は従来の光磁気デイスクの断面構造
図、第３図は光磁気デイスクの原理図、である。
図において、１はガラス基板、２はフオトポリ
マ層、３は下部保護膜、４は記録膜、５は上部保
護膜、６は端面部、である。
FIG. 1 is a sectional view of the magneto-optical disk according to the present invention, FIG. 2 is a sectional view of a conventional magneto-optical disk, and FIG. 3 is a diagram of the principle of the magneto-optical disk. In the figure, 1 is a glass substrate, 2 is a photopolymer layer, 3 is a lower protective film, 4 is a recording film, 5 is an upper protective film, and 6 is an end face portion.
Claims (1)
成したフオトポリマ層を備え、該フオトポリマ層
の上に下部保護膜、記録膜、上部保護膜と層形成
してなる光磁気デイスクにおいて、 前記フオトポリマ層の端面部および記録膜の端
面部がそれぞれ下部保護膜および上部保護膜によ
り被覆された構造をとることを特徴とする光磁気
デイスク。[Claims for Utility Model Registration] An optical device comprising a photopolymer layer with guide grooves formed on a disk-shaped glass substrate, and a lower protective film, a recording film, and an upper protective film formed on the photopolymer layer. 1. A magneto-optical disk characterized in that the end face portion of the photopolymer layer and the end face portion of the recording film are respectively covered with a lower protective film and an upper protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8104388U JPH025123U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8104388U JPH025123U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025123U true JPH025123U (en) | 1990-01-12 |
Family
ID=31305844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8104388U Pending JPH025123U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07192336A (en) * | 1993-12-27 | 1995-07-28 | Nec Corp | Magneto-optical recording medium manufacturing method and magneto-optical recording medium |
-
1988
- 1988-06-17 JP JP8104388U patent/JPH025123U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07192336A (en) * | 1993-12-27 | 1995-07-28 | Nec Corp | Magneto-optical recording medium manufacturing method and magneto-optical recording medium |