JPH0235335U - - Google Patents
Info
- Publication number
- JPH0235335U JPH0235335U JP1988110980U JP11098088U JPH0235335U JP H0235335 U JPH0235335 U JP H0235335U JP 1988110980 U JP1988110980 U JP 1988110980U JP 11098088 U JP11098088 U JP 11098088U JP H0235335 U JPH0235335 U JP H0235335U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- recording layer
- side position
- circumference side
- 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
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の一実施例を示す一部切欠いた
側面図、第２図はエアーサンドイツチ型の従来例
を示す一部切欠いた側面図、第３図は密着サンド
イツチ型の従来例を示す縦断側面図、第４図は単
板型の従来例を示す縦断側面図である。
１２……基板、１３……記録層、１４……ドー
ナツ型円板、１６……カバー。
Fig. 1 is a partially cutaway side view showing an embodiment of the present invention, Fig. 2 is a partially cutaway side view showing a conventional example of the air sandwich type, and Fig. 3 is a conventional example of the close contact sandwich type. FIG. 4 is a vertical side view showing a conventional example of a single-plate type. 12... Substrate, 13... Recording layer, 14... Donut-shaped disc, 16... Cover.
Claims (1)
て記録層を設けてなるドーナツ型円板に対し、前
記記録層による記録領域部分では間隔を有して対
向しこの記録領域よりも最外周側位置と最内周側
位置とで直接固着されるカバーを設けたことを特
徴とする光情報記録媒体。 For a donut-shaped disk formed by providing a recording layer directly or via an undercoat layer on an optically transparent substrate, the recording area portion of the recording layer is opposed to the disk with a space therebetween, and the recording layer is located farthest from the recording area. An optical information recording medium characterized in that a cover is provided that is directly fixed at an outer circumference side position and an innermost circumference side position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988110980U JPH0235335U (en) | 1988-08-24 | 1988-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988110980U JPH0235335U (en) | 1988-08-24 | 1988-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235335U true JPH0235335U (en) | 1990-03-07 |
Family
ID=31348632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988110980U Pending JPH0235335U (en) | 1988-08-24 | 1988-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235335U (en) |
-
1988
- 1988-08-24 JP JP1988110980U patent/JPH0235335U/ja active Pending