JPH01121129U - - Google Patents
Info
- Publication number
- JPH01121129U JPH01121129U JP1988014857U JP1485788U JPH01121129U JP H01121129 U JPH01121129 U JP H01121129U JP 1988014857 U JP1988014857 U JP 1988014857U JP 1485788 U JP1485788 U JP 1485788U JP H01121129 U JPH01121129 U JP H01121129U
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- spacer
- optical disk
- substrate
- peripheral edge
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１，２図は本考案に係る光デイスクの一実施
例を示す図であり、第１図はその平面図、第２図
は第１図の―矢視断面図である。第３図は本
考案に係る光デイスクの他の実施例である。第４
図は従来の光デイスクを示す断面図である。
１１……光デイスク、１２……上基板、１３…
…下基板、１５……外側スペーサ、１６……内側
スペーサ、１６ａ……上面、１６ｂ……下面、１
６ｃ……中央部、１６ｄ……周縁部、１７……接
着剤、１８……内部空間、１９……間隙、２０…
…小孔。
1 and 2 are diagrams showing an embodiment of the optical disk according to the present invention, with FIG. 1 being a plan view thereof, and FIG. 2 being a sectional view taken along the arrow - in FIG. FIG. 3 shows another embodiment of the optical disk according to the present invention. Fourth
The figure is a sectional view showing a conventional optical disk. 11... Optical disk, 12... Upper substrate, 13...
...Lower substrate, 15...Outer spacer, 16...Inner spacer, 16a...Top surface, 16b...Bottom surface, 1
6c... Central portion, 16d... Peripheral portion, 17... Adhesive, 18... Internal space, 19... Gap, 20...
...Small hole.
Claims (1)
配置された環状体からなるスペーサと、スペーサ
の上面および下面に部分的にそれぞれ接着剤を介
して接着し二つの環状体間に空間を形成した円板
状の上基板および下基板とを有する光デイスクに
おいて、小さい直径を有するスペーサの上面およ
び下面がそれぞれ接着剤が塗布された中央部と、
接着剤が塗布されない周縁部とからなり、前記周
縁部に対向する上基板および下基板の少なくとも
一つに前記空間と外気とを連通する小孔を設けた
ことを特徴とする光デイスク。 A spacer consisting of annular bodies having at least two different diameters and arranged concentrically, and a circle partially adhered to the upper and lower surfaces of the spacer through an adhesive to form a space between the two annular bodies. In an optical disk having a plate-shaped upper substrate and a lower substrate, the upper and lower surfaces of a spacer each having a small diameter have a central portion coated with an adhesive;
1. An optical disk comprising a peripheral edge to which no adhesive is applied, and at least one of an upper substrate and a lower substrate facing the peripheral edge is provided with a small hole communicating the space with outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988014857U JPH01121129U (en) | 1988-02-05 | 1988-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988014857U JPH01121129U (en) | 1988-02-05 | 1988-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01121129U true JPH01121129U (en) | 1989-08-16 |
Family
ID=31226421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988014857U Pending JPH01121129U (en) | 1988-02-05 | 1988-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01121129U (en) |
-
1988
- 1988-02-05 JP JP1988014857U patent/JPH01121129U/ja active Pending