JPS61174027U - - Google Patents
Info
- Publication number
- JPS61174027U JPS61174027U JP1985056330U JP5633085U JPS61174027U JP S61174027 U JPS61174027 U JP S61174027U JP 1985056330 U JP1985056330 U JP 1985056330U JP 5633085 U JP5633085 U JP 5633085U JP S61174027 U JPS61174027 U JP S61174027U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- upper substrate
- lower substrate
- outer circumferential
- circumferential spacer
- 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 12
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図はこの考案の円盤状情報記録媒体の一実
施例の構成を示す断面図、第２図は従来の円盤状
情報記録媒体の構成を示す断面図である。
１ａ……上側情報形成層、１ｂ……下側情報形
成層、２ａ……上側基板、２ｂ……下側基板、３
……外周スペーサ、４……内周スペーサ、５……
中空部分、７……プレーヤチヤツキング用孔、８
……バンド。
FIG. 1 is a sectional view showing the structure of an embodiment of the disk-shaped information recording medium of this invention, and FIG. 2 is a sectional view showing the structure of a conventional disk-shaped information recording medium. 1a...Upper information formation layer, 1b...Lower information formation layer, 2a...Upper substrate, 2b...Lower substrate, 3
...Outer circumference spacer, 4...Inner circumference spacer, 5...
Hollow part, 7... Hole for player chatting, 8
……band.
Claims (1)
盤状の上側基板および下側基板と、この上側基板
と下側基板の内面にそれぞれ形成された上側情報
形成層および下側情報形成層と、上記プレーヤチ
ヤツキング用孔の周辺において上記上側基板と下
側基板間に介在された内周スペーサと、上記上側
基板と下側基板間においてその外周縁に介在され
た外周スペーサと、この外周スペーサおよび上記
上側基板と下側基板の外周面に巻き付けたバンド
とよりなる円盤状情報記録媒体。 A disc-shaped upper substrate and a lower substrate having a hole for player tracking in the center, an upper information forming layer and a lower information forming layer formed on the inner surfaces of the upper substrate and the lower substrate, respectively, and the player. an inner circumferential spacer interposed between the upper substrate and the lower substrate around the chucking hole, an outer circumferential spacer interposed between the upper substrate and the lower substrate on the outer circumferential edge thereof, and this outer circumferential spacer and the above-mentioned A disk-shaped information recording medium consisting of a band wrapped around the outer circumference of an upper substrate and a lower substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985056330U JPS61174027U (en) | 1985-04-16 | 1985-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985056330U JPS61174027U (en) | 1985-04-16 | 1985-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174027U true JPS61174027U (en) | 1986-10-29 |
Family
ID=30579824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985056330U Pending JPS61174027U (en) | 1985-04-16 | 1985-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174027U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5897143A (en) * | 1981-12-02 | 1983-06-09 | Hitachi Ltd | Recording and reproducing disc |
-
1985
- 1985-04-16 JP JP1985056330U patent/JPS61174027U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5897143A (en) * | 1981-12-02 | 1983-06-09 | Hitachi Ltd | Recording and reproducing disc |