JPS61132534U - - Google Patents
Info
- Publication number
- JPS61132534U JPS61132534U JP1985014659U JP1465985U JPS61132534U JP S61132534 U JPS61132534 U JP S61132534U JP 1985014659 U JP1985014659 U JP 1985014659U JP 1465985 U JP1465985 U JP 1465985U JP S61132534 U JPS61132534 U JP S61132534U
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- disk
- disk substrate
- outer periphery
- optical disk
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 4
Description
第１図は本考案の実施例に係る光デイスクの断
面図、第２図は第１図の下デイスクの平面図、第
３図および第４図は第１図の他の実施例を示した
光デイスクの断面図、第５図は従来の光デイスク
の断面図である。
１……内周スペーサ、３，４……デイスク基板
、７……外周スペーサ、１０……上デイスク、１
１……下デイスク、１２……係合部。
FIG. 1 is a sectional view of an optical disk according to an embodiment of the present invention, FIG. 2 is a plan view of the lower disk in FIG. 1, and FIGS. 3 and 4 show other embodiments of FIG. 1. FIG. 5 is a cross-sectional view of a conventional optical disk. 1... Inner circumference spacer, 3, 4... Disk substrate, 7... Outer circumference spacer, 10... Upper disk, 1
1...lower disk, 12...engaging portion.
Claims (1)
イスク基板と、デイスク基板の外周に外周スペー
サを介して一体に接着した光デイスクにおいて、
前記内周スペーサ、デイスク基板および外周スペ
ーサを一体に形成した上、下デイスクで構成し、
この上、下デイスクの内周部および内周スペーサ
と外周部および外周スペーサの少なくとも一方の
デイスク基板とスペーサに係合部を設け、この係
合部を嵌合接着することによつて上、下デイスク
の芯合せを行なうようにしたことを特徴とする光
デイスク。 In an optical disk, a disk substrate is placed opposite to the outer periphery of an inner periphery spacer, and an optical disk is integrally bonded to the outer periphery of the disk substrate via an outer periphery spacer.
Consisting of upper and lower disks in which the inner spacer, the disk substrate and the outer spacer are integrally formed,
In addition, engaging parts are provided on the disk substrate and the spacer of at least one of the inner peripheral part and inner peripheral spacer of the lower disk and the outer peripheral part and outer peripheral spacer, and by fitting and bonding these engaging parts, the upper and lower An optical disk characterized in that the center of the disk is aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985014659U JPS61132534U (en) | 1985-02-06 | 1985-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985014659U JPS61132534U (en) | 1985-02-06 | 1985-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61132534U true JPS61132534U (en) | 1986-08-19 |
Family
ID=30499786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985014659U Pending JPS61132534U (en) | 1985-02-06 | 1985-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61132534U (en) |
-
1985
- 1985-02-06 JP JP1985014659U patent/JPS61132534U/ja active Pending