JPH01140629U - - Google Patents
Info
- Publication number
- JPH01140629U JPH01140629U JP1988036730U JP3673088U JPH01140629U JP H01140629 U JPH01140629 U JP H01140629U JP 1988036730 U JP1988036730 U JP 1988036730U JP 3673088 U JP3673088 U JP 3673088U JP H01140629 U JPH01140629 U JP H01140629U
- Authority
- JP
- Japan
- Prior art keywords
- circular substrate
- embossed
- circular
- recording medium
- 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
- 239000000758 substrate Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案に係る光学的記録媒体の構造を
示す断面図、第２図は従来の光学的記録媒体の構
造を示す断面図である。
１…光学的記録媒体、２，３…透光性基板、４
…記録膜、５…中央孔、６…エンボス部、７…エ
ンボス部、８…中央帯、９…中央溝。
FIG. 1 is a sectional view showing the structure of an optical recording medium according to the present invention, and FIG. 2 is a sectional view showing the structure of a conventional optical recording medium. 1... Optical recording medium, 2, 3... Transparent substrate, 4
...Recording film, 5. Central hole, 6. Embossed part, 7. Embossed part, 8. Central band, 9. Central groove.
Claims (1)
のエンボス部を設けた２枚の円形基板のエンボス
部同士を接着してなる光学的記録媒体において、 エンボス部に凸状帯を設けた第１円形基板と、 その中心が第１円形基板の中心と一致して配さ
れた際、第１円形基板の凸状帯が嵌合し得る凹状
帯をエンボス部に設けた第２円形基板と を備えたことを特徴とする光学的記録媒体。[Claims for Utility Model Registration] In an optical recording medium formed by adhering the embossed parts of two circular substrates each having an annular embossed part on the inner and outer periphery of the surface having a recording film, A first circular substrate is provided with a convex band at the embossed portion, and a concave band into which the convex band of the first circular substrate can fit when the center of the first circular substrate is aligned with the center of the first circular substrate is embossed. 1. An optical recording medium comprising: a second circular substrate;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988036730U JPH01140629U (en) | 1988-03-18 | 1988-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988036730U JPH01140629U (en) | 1988-03-18 | 1988-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01140629U true JPH01140629U (en) | 1989-09-26 |
Family
ID=31263320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988036730U Pending JPH01140629U (en) | 1988-03-18 | 1988-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01140629U (en) |
-
1988
- 1988-03-18 JP JP1988036730U patent/JPH01140629U/ja active Pending