JPS5843672U - optical disc - Google Patents
optical discInfo
- Publication number
- JPS5843672U JPS5843672U JP1981136443U JP13644381U JPS5843672U JP S5843672 U JPS5843672 U JP S5843672U JP 1981136443 U JP1981136443 U JP 1981136443U JP 13644381 U JP13644381 U JP 13644381U JP S5843672 U JPS5843672 U JP S5843672U
- Authority
- JP
- Japan
- Prior art keywords
- optical disc
- outer circumferential
- data bits
- reflective
- structured
- 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図は従来の光学式ディスクの構成説明図、第２図は
この考案の一実施例を示す構成説明図である。
１１・・・ディスク基板、１２・・・ピット、１３・・
・反射膜、１４・・・保護膜、２０・・・外周端面、２
１・・・反射面。FIG. 1 is an explanatory diagram of the configuration of a conventional optical disc, and FIG. 2 is an explanatory diagram of the configuration of an embodiment of this invention. 11...Disk board, 12...Pit, 13...
- Reflective film, 14... Protective film, 20... Outer peripheral end surface, 2
1... Reflective surface.
Claims (1)
面に対して９０°の面から傾斜した構造とするとともに
、前記データビットの面に設けられる反射膜を前記傾斜
した外周面にも設け、この面に形成された反射面を利用
できる構造としたことを特徴とする光学式ディスク。The outer circumferential end surface of the disk substrate is structured to be inclined at 90 degrees with respect to the surface on which the data bits are formed, and the reflective film provided on the surface of the data bits is also provided on the inclined outer circumferential surface. An optical disc characterized by having a structure that allows use of a reflective surface formed on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981136443U JPS5843672U (en) | 1981-09-14 | 1981-09-14 | optical disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981136443U JPS5843672U (en) | 1981-09-14 | 1981-09-14 | optical disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5843672U true JPS5843672U (en) | 1983-03-24 |
Family
ID=29929764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981136443U Pending JPS5843672U (en) | 1981-09-14 | 1981-09-14 | optical disc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5843672U (en) |
-
1981
- 1981-09-14 JP JP1981136443U patent/JPS5843672U/en active Pending
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