JPS60180328U - optical recording disk - Google Patents
optical recording diskInfo
- Publication number
- JPS60180328U JPS60180328U JP1984065077U JP6507784U JPS60180328U JP S60180328 U JPS60180328 U JP S60180328U JP 1984065077 U JP1984065077 U JP 1984065077U JP 6507784 U JP6507784 U JP 6507784U JP S60180328 U JPS60180328 U JP S60180328U
- Authority
- JP
- Japan
- Prior art keywords
- optical recording
- recording disk
- disc
- recording layer
- base
- 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の実施例を示す断面図であり、第２図
は、第１図の部分拡大図である。第３図は、本考案の他
の実施例を示す断面図である。
第４図および第５図は、それぞれ、本考案の実施例を示
す平面図である。
１・・・・・・光記録ディスク、２．２１． ２２・・
面光記録部分、３，３１，３２・・・・・・基体、３５
・・・・・・溝、４．４１．４２・・・・・・記録層、
５・・・・・・連結部材、７・・・・・・保護層、８．
８１．８２・・・・・・粗面。
第５図 ′FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a partially enlarged view of FIG. 1. FIG. 3 is a sectional view showing another embodiment of the present invention. FIGS. 4 and 5 are plan views showing embodiments of the present invention, respectively. 1... Optical recording disc, 2.21. 22...
Surface optical recording portion, 3, 31, 32...Substrate, 35
......Groove, 4.41.42...Recording layer,
5... Connection member, 7... Protective layer, 8.
81.82...Rough surface. Figure 5'
Claims (1)
よび読み出し光に対して実質的に透明な基体を有し、こ
の基体上に、記録層を有する記録部を設けてなる光記一
部分を具え、基体の記録層形成面の裏面の一部を粗面と
して回転検知マークを形成したことを特徴とする光記録
ディスク。The disc-shaped disc-shaped base has a hole in the center and is substantially transparent to the writing light and the reading light, and includes an optical recording portion having a recording portion having a recording layer on the base. An optical recording disk characterized in that a rotation detection mark is formed on a part of the back surface of the recording layer forming surface of the substrate as a rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984065077U JPS60180328U (en) | 1984-05-02 | 1984-05-02 | optical recording disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984065077U JPS60180328U (en) | 1984-05-02 | 1984-05-02 | optical recording disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60180328U true JPS60180328U (en) | 1985-11-30 |
Family
ID=30596742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984065077U Pending JPS60180328U (en) | 1984-05-02 | 1984-05-02 | optical recording disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60180328U (en) |
-
1984
- 1984-05-02 JP JP1984065077U patent/JPS60180328U/en active Pending
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