JPS58163032U - optical disk - Google Patents
optical diskInfo
- Publication number
- JPS58163032U JPS58163032U JP1982060741U JP6074182U JPS58163032U JP S58163032 U JPS58163032 U JP S58163032U JP 1982060741 U JP1982060741 U JP 1982060741U JP 6074182 U JP6074182 U JP 6074182U JP S58163032 U JPS58163032 U JP S58163032U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- glass
- vapor
- deposited
- inner diameter
- 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
- Duplication Or Marking (AREA)
- 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a、 bは従来の光ディスクの平面図および光
ディスクを装着した光デイスク駆動装置の側断面図、第
2図a、 bはこの考案の=実施例を示す光ディスク
の平面図および光ディスクを装着した光デイスク駆動装
置の側断面図、第3図a、 bはこの考案の他の実施
例を示す光ディスクの平面図および側断面図である。
図中、1は光デイスク駆動用のモータ、2はモータ軸、
3はターンテーブル、4は内径調整器、5はばね、6は
クランパ、7a、7bはガラス、8は内周用のスペーサ
、9は外周用のスペーサ、Aは光デイスク駆動装置、B
は光ディスクである。
なお、図中の同一符号は同一または相当部分を示す。
第2図
第3図Figures 1a and 1b are a plan view of a conventional optical disc and a side sectional view of an optical disc drive device with an optical disc installed, and Figures 2a and 2b are a plan view of an optical disc and a side sectional view of an optical disc drive device with an optical disc installed, showing an embodiment of this invention. Figures 3a and 3b are a plan view and a side sectional view of an optical disc showing another embodiment of this invention. In the figure, 1 is the motor for driving the optical disk, 2 is the motor shaft,
3 is a turntable, 4 is an inner diameter adjuster, 5 is a spring, 6 is a clamper, 7a, 7b are glasses, 8 is a spacer for the inner circumference, 9 is a spacer for the outer circumference, A is an optical disk drive device, B
is an optical disc. Note that the same reference numerals in the figures indicate the same or corresponding parts. Figure 2 Figure 3
Claims (1)
蒸着し、このガラス2枚を互いに蒸着面が内側になるよ
うにして、かつ内周用および外周用のスペーサをはさん
で接着して構成された両面記録再生用光ディスクにおい
て、前記内周用のスペーサの内径を前記ガラスの内径よ
りも小さくしたことを特徴と守る光ディスク。A thin film of metal is vapor-deposited on one side of a disk-shaped glass with a hole in the center, and the two pieces of glass are glued together with the vapor-deposited side facing inside, with spacers for the inner and outer peripheries in between. What is claimed is: 1. An optical disk for double-sided recording and reproduction, characterized in that the inner diameter of the inner spacer is smaller than the inner diameter of the glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982060741U JPS58163032U (en) | 1982-04-26 | 1982-04-26 | optical disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982060741U JPS58163032U (en) | 1982-04-26 | 1982-04-26 | optical disk |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58163032U true JPS58163032U (en) | 1983-10-29 |
Family
ID=30070975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1982060741U Pending JPS58163032U (en) | 1982-04-26 | 1982-04-26 | optical disk |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58163032U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61153848A (en) * | 1984-12-26 | 1986-07-12 | Nec Corp | Optical disk |
-
1982
- 1982-04-26 JP JP1982060741U patent/JPS58163032U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61153848A (en) * | 1984-12-26 | 1986-07-12 | Nec Corp | Optical disk |
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