JPS6077031U - optical disc board - Google Patents
optical disc boardInfo
- Publication number
- JPS6077031U JPS6077031U JP1983168725U JP16872583U JPS6077031U JP S6077031 U JPS6077031 U JP S6077031U JP 1983168725 U JP1983168725 U JP 1983168725U JP 16872583 U JP16872583 U JP 16872583U JP S6077031 U JPS6077031 U JP S6077031U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- optical recording
- optical disc
- optical
- disc board
- 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。
１．２・・・円板、３・・・偏肉円板、４・・・光記録
面、５・・・内周側スペーサ、６・・・外周側スペーサ
、７・・・空気層。FIG. 1 is a sectional view showing a conventional example, and FIG. 2 is a sectional view showing an embodiment of the present invention. 1.2... Disk, 3... Disc with uneven thickness, 4... Optical recording surface, 5... Inner circumferential side spacer, 6... Outer circumferential side spacer, 7... Air layer.
Claims (1)
構造の両面光デイスク盤において、片面に光記録面を有
し厚さが一定で中心穴をもつ透明プラスチック製の第１
の円板と、前記第１の円板と同形でしかも同心で光記録
面が対向するように位置する第２の円板と、前記第１の
円板と前記第２の円板で挾持ししかも同心に固定した内
周および外周近傍に厚肉部を有する偏肉円板とを含むこ
とを特徴とする光デイスク盤。In a double-sided optical disc with an air sandwich structure in which the optical recording surfaces face each other with an air layer in between, a first disk made of transparent plastic with an optical recording surface on one side, a constant thickness, and a hole in the center is used.
a second disk having the same shape and concentricity as the first disk and positioned so that the optical recording surfaces thereof face each other; and a second disk sandwiched between the first disk and the second disk. Moreover, an optical disk disc is characterized in that it includes an unevenly-thickened disk having a thickened portion near the inner periphery and the outer periphery, which are fixed concentrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983168725U JPS6077031U (en) | 1983-10-31 | 1983-10-31 | optical disc board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983168725U JPS6077031U (en) | 1983-10-31 | 1983-10-31 | optical disc board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6077031U true JPS6077031U (en) | 1985-05-29 |
Family
ID=30368793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983168725U Pending JPS6077031U (en) | 1983-10-31 | 1983-10-31 | optical disc board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6077031U (en) |
-
1983
- 1983-10-31 JP JP1983168725U patent/JPS6077031U/en active Pending
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