JPH01151427U - - Google Patents
Info
- Publication number
- JPH01151427U JPH01151427U JP1988045124U JP4512488U JPH01151427U JP H01151427 U JPH01151427 U JP H01151427U JP 1988045124 U JP1988045124 U JP 1988045124U JP 4512488 U JP4512488 U JP 4512488U JP H01151427 U JPH01151427 U JP H01151427U
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- outer circumferential
- layer
- disk substrate
- annular
- 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.)
- Granted
Links
- 239000010410 layer Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図及び第２図はそれぞれ本考案の光情報記
録媒体の構成例を示す一部断面図及び平面図、第
３図は外周スペーサ部にとぎれ部が形成された例
を示す図、第４図は一般のエアーサンドイツチ型
光デイスクの構成を示す図、第５図はスペーサに
通気孔を設けた従来の光デイスクの構成を示す断
面図である。
１，２…デイスク基板、３，４…記録層、５…
内周スペーサ、６…外周スペーサ、７…接着層、
８…空間、１０，１０′…とぎれ部、１１…とぎ
れ部に設けられた層。
1 and 2 are a partial cross-sectional view and a plan view, respectively, showing an example of the structure of the optical information recording medium of the present invention, FIG. This figure shows the structure of a general air sand bench type optical disk, and FIG. 5 is a sectional view showing the structure of a conventional optical disk in which a spacer is provided with ventilation holes. 1, 2... Disk substrate, 3, 4... Recording layer, 5...
Inner circumference spacer, 6... Outer circumference spacer, 7... Adhesive layer,
8... Space, 10, 10'... Disconnected portion, 11... Layer provided at the discontinued portion.
Claims (1)
ク基板と、上記記録層が内側となるように平行に
対向すべく上記デイスク基板の内周部及び外周部
を各々担持する環状の内周スペーサ及び外周スペ
ーサと、上記デイスク基板と上記内周スペーサ及
び外周スペーサを互いに固着せしめる内周側及び
外周側の環状の接着層とから構成され、両デイス
ク基板間に空気層を有する光情報記録媒体におい
て、上記接着層のうちの少なくとも１つに上記空
気層と外気とを連通するとぎれ部が形成され、該
とぎれ部に面するデイスク基板部分及びスペーサ
部分の少なくとも一方に上記記録層と同一もしく
はほぼ同一な材質の層を設けたことを特徴とする
光情報記録媒体。 a pair of disk substrates, at least one of which has a recording layer; and an annular inner circumferential spacer and an annular outer circumferential spacer that respectively support an inner circumferential portion and an outer circumferential portion of the disk substrate so as to face each other in parallel with the recording layer on the inside. , an optical information recording medium comprising annular adhesive layers on the inner and outer circumferential sides for fixing the disk substrate, the inner circumferential spacer and the outer circumferential spacer to each other, and having an air layer between both disk substrates; A gap connecting the air layer with outside air is formed in at least one of the gaps, and a layer made of the same or substantially the same material as the recording layer is formed on at least one of the disk substrate portion and the spacer portion facing the gap. An optical information recording medium characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045124U JPH0734496Y2 (en) | 1988-04-01 | 1988-04-01 | Optical information recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045124U JPH0734496Y2 (en) | 1988-04-01 | 1988-04-01 | Optical information recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01151427U true JPH01151427U (en) | 1989-10-19 |
| JPH0734496Y2 JPH0734496Y2 (en) | 1995-08-02 |
Family
ID=31271446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988045124U Expired - Lifetime JPH0734496Y2 (en) | 1988-04-01 | 1988-04-01 | Optical information recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734496Y2 (en) |
-
1988
- 1988-04-01 JP JP1988045124U patent/JPH0734496Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734496Y2 (en) | 1995-08-02 |