JPH0458820U - - Google Patents
Info
- Publication number
- JPH0458820U JPH0458820U JP1990103060U JP10306090U JPH0458820U JP H0458820 U JPH0458820 U JP H0458820U JP 1990103060 U JP1990103060 U JP 1990103060U JP 10306090 U JP10306090 U JP 10306090U JP H0458820 U JPH0458820 U JP H0458820U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- recording medium
- layer section
- signal recording
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims 15
- 239000011241 protective layer Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案に係る光学式記録媒体の一実施
例を分解した状態で示す説明図、第２図は透明層
部の他の例を示す説明図、第３図は反射層部の他
の例を示す説明図、第４図は信号記録層部の他の
例を示す説明図、第５図は透明層部と信号記録層
部とを一体とした例を示す説明図、第６図は保持
手段を用いる場合を示す説明図、第７図は従来例
を示す説明図である。
１……光学式記録媒体、２……透明層部、３…
…反射層部、４……信号記録層部、８……保持手
段。
FIG. 1 is an explanatory diagram showing one embodiment of the optical recording medium according to the present invention in an exploded state, FIG. 2 is an explanatory diagram showing another example of the transparent layer portion, and FIG. 4 is an explanatory diagram showing another example of the signal recording layer section, FIG. 5 is an explanatory diagram showing an example in which the transparent layer section and the signal recording layer section are integrated, and FIG. 6 is an explanatory diagram showing an example of the signal recording layer section. FIG. 7 is an explanatory diagram showing a case in which a holding means is used, and FIG. 7 is an explanatory diagram showing a conventional example. 1... Optical recording medium, 2... Transparent layer portion, 3...
. . . Reflective layer portion, 4 . . . Signal recording layer portion, 8 . . . Holding means.
Claims (1)
透過する信号記録層部を配置した層構成を有し、
前記信号記録層部の片面に設けられた複数の微細
凹部からなる信号形成面を、前記反射層部側に位
置させた光学式記録媒体において、 少なくとも前記反射層部が信号記録層部に対し
て分離可能に設けられていることを特徴とする光
学式記録媒体。 (2) 上記透明層部が信号記録層部に対して分離
可能に設けられている請求項１記載の光学式記録
媒体。 (3) 上記透明層部と信号記録層部の間と、信号
記録層部と反射層部の間との少なくとも一方の間
に、光透過する保護層が設けられている請求項１
または２記載の光学式記録媒体。 (4) 分離可能な層部を重ね合わせ状態で保持す
る保持手段を有する請求項１から３のいずれか一
項に記載の光学式記録媒体。[Claims for Utility Model Registration] (1) It has a layer structure in which a signal recording layer that transmits light is arranged between a transparent layer and a reflective layer that face each other,
In an optical recording medium in which a signal forming surface consisting of a plurality of fine recesses provided on one side of the signal recording layer section is located on the reflective layer section side, at least the reflective layer section is located with respect to the signal recording layer section. An optical recording medium characterized in that it is provided in a separable manner. (2) The optical recording medium according to claim 1, wherein the transparent layer portion is provided so as to be separable from the signal recording layer portion. (3) Claim 1, wherein a light-transmitting protective layer is provided between at least one of the transparent layer section and the signal recording layer section and between the signal recording layer section and the reflective layer section.
Or the optical recording medium according to 2. (4) The optical recording medium according to any one of claims 1 to 3, further comprising a holding means for holding the separable layer portions in an overlapping state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990103060U JPH0458820U (en) | 1990-09-28 | 1990-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990103060U JPH0458820U (en) | 1990-09-28 | 1990-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458820U true JPH0458820U (en) | 1992-05-20 |
Family
ID=31847791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990103060U Pending JPH0458820U (en) | 1990-09-28 | 1990-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458820U (en) |
-
1990
- 1990-09-28 JP JP1990103060U patent/JPH0458820U/ja active Pending
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