JPS61178525U - - Google Patents
Info
- Publication number
- JPS61178525U JPS61178525U JP1985060970U JP6097085U JPS61178525U JP S61178525 U JPS61178525 U JP S61178525U JP 1985060970 U JP1985060970 U JP 1985060970U JP 6097085 U JP6097085 U JP 6097085U JP S61178525 U JPS61178525 U JP S61178525U
- Authority
- JP
- Japan
- Prior art keywords
- center hole
- main body
- recording area
- optical disk
- injection molding
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は本考案に係る光学デイスクの実施例を
示す平面図である。第２図は従来の一般的な光学
デイスクを示す模式的な平面図であり、第３図は
上記光学デイスクの信号記録領域部分の構造例を
示すコンパクト・デイスクの模式的な断面図であ
る。
１…中心孔、２…非記録領域、３…信号記録領
域、５Ａ，５Ｂ，５Ｃ…スリツト、１０…デイス
ク本体。
FIG. 1 is a plan view showing an embodiment of an optical disk according to the present invention. FIG. 2 is a schematic plan view showing a conventional general optical disk, and FIG. 3 is a schematic cross-sectional view of a compact disk showing an example of the structure of the signal recording area of the optical disk. DESCRIPTION OF SYMBOLS 1... Center hole, 2... Non-recording area, 3... Signal recording area, 5A, 5B, 5C... Slit, 10... Disk body.
Claims (1)
イスクにおいて、デイスク本体の中心孔に連通す
るスリツトを上記中心孔周辺の非記録領域内に設
けたことを特徴とする光学デイスク。 1. An optical disk whose main body is formed by injection molding, characterized in that a slit communicating with a center hole of the disk main body is provided in a non-recording area around the center hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985060970U JPS61178525U (en) | 1985-04-25 | 1985-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985060970U JPS61178525U (en) | 1985-04-25 | 1985-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61178525U true JPS61178525U (en) | 1986-11-07 |
Family
ID=30588807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985060970U Pending JPS61178525U (en) | 1985-04-25 | 1985-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61178525U (en) |
-
1985
- 1985-04-25 JP JP1985060970U patent/JPS61178525U/ja active Pending