JPS60166828U - optical disc board - Google Patents
optical disc boardInfo
- Publication number
- JPS60166828U JPS60166828U JP1984055531U JP5553184U JPS60166828U JP S60166828 U JPS60166828 U JP S60166828U JP 1984055531 U JP1984055531 U JP 1984055531U JP 5553184 U JP5553184 U JP 5553184U JP S60166828 U JPS60166828 U JP S60166828U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- optical recording
- optical disc
- optical
- center
- 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図は従来の一例を示す断面図、第２図は本考案の一
実施例を示す断面図である。
１．１′・・・・・・光記録面、２，２′・・・・・・
円板、３・・・・・・外周部スペーサ、４・・・・・・
内周部スペーサ、７・・・・・・偏肉円板、８，８′・
・・・・・レーザ光の投入面。FIG. 1 is a sectional view showing a conventional example, and FIG. 2 is a sectional view showing an embodiment of the present invention. 1.1'... Optical recording surface, 2,2'...
Disc, 3...Outer spacer, 4...
Inner circumferential spacer, 7... Disc with uneven thickness, 8, 8'.
...Laser beam input surface.
Claims (1)
ラスティック製の２個の円板を前記光記録層が対向する
ように配置したエアサンドインチ型光ディスク盤におい
て、外周部と内周部に厚肉部を有して前記円板を固着し
ており前記円板の外径より大きな部分と、前記円板の中
心大部分では前記円板の前記光記録層と逆側の面から突
出している偏肉円板を含むことを特徴とする光デイスク
盤。In an air-sand inch optical disc, two discs made of transparent plastic having an optical recording layer on one side, a constant thickness, and a hole in the center are arranged so that the optical recording layers face each other. The disc has a thick part on its periphery to secure the disc, and has a part larger than the outer diameter of the disc, and a large part at the center of the disc, which has a surface opposite to the optical recording layer of the disc. An optical disc characterized by including an unevenly thickened disc protruding from the disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984055531U JPS60166828U (en) | 1984-04-16 | 1984-04-16 | optical disc board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984055531U JPS60166828U (en) | 1984-04-16 | 1984-04-16 | optical disc board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60166828U true JPS60166828U (en) | 1985-11-06 |
Family
ID=30578292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984055531U Pending JPS60166828U (en) | 1984-04-16 | 1984-04-16 | optical disc board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166828U (en) |
-
1984
- 1984-04-16 JP JP1984055531U patent/JPS60166828U/en active Pending
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