JPH0159920U - - Google Patents
Info
- Publication number
- JPH0159920U JPH0159920U JP15394287U JP15394287U JPH0159920U JP H0159920 U JPH0159920 U JP H0159920U JP 15394287 U JP15394287 U JP 15394287U JP 15394287 U JP15394287 U JP 15394287U JP H0159920 U JPH0159920 U JP H0159920U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical disk
- underlayer
- refractive index
- recording layer
- 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
- 239000000758 substrate Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 1
Description
第１図は本考案の一実施例の光磁気デイスクの
構成を示す要部断面図である。
１２：基板、１４：下地層、１６：光磁気記録
層、１８：保護層、２０：反射層。
FIG. 1 is a sectional view of essential parts showing the structure of a magneto-optical disk according to an embodiment of the present invention. 12: Substrate, 14: Base layer, 16: Magneto-optical recording layer, 18: Protective layer, 20: Reflective layer.
Claims (1)
録層が備えられた光磁気デイスクであつて、 前記下地層が、鉄および珪素の化合物或いは混
合体を主成分として構成されていることを特徴と
する光磁気デイスク。 (2) 前記下地層は、前記光磁気記録層の反射率
を５乃至４０％とするものである特許請求の範囲
第１項に記載の光磁気デイスク。 (3) 前記下地層は、１．５以上の屈折率と１０
乃至７０％の透過率とを備えたものである特許請
求の範囲第１項に記載の光磁気デイスク。[Claims for Utility Model Registration] (1) A magneto-optical disk comprising a magneto-optical recording layer on one side of a transparent substrate with an underlayer sandwiched therebetween, the underlayer comprising a compound or a mixture of iron and silicon. A magneto-optical disk characterized in that it is comprised as a main component. (2) The magneto-optical disk according to claim 1, wherein the underlayer has a reflectance of 5 to 40% of the magneto-optical recording layer. (3) The base layer has a refractive index of 1.5 or more and a refractive index of 10
The magneto-optical disk according to claim 1, which has a transmittance of 70% to 70%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15394287U JPH0159920U (en) | 1987-10-07 | 1987-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15394287U JPH0159920U (en) | 1987-10-07 | 1987-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0159920U true JPH0159920U (en) | 1989-04-14 |
Family
ID=31430225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15394287U Pending JPH0159920U (en) | 1987-10-07 | 1987-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0159920U (en) |
-
1987
- 1987-10-07 JP JP15394287U patent/JPH0159920U/ja active Pending
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