JPH01181135U - - Google Patents
Info
- Publication number
- JPH01181135U JPH01181135U JP1988079320U JP7932088U JPH01181135U JP H01181135 U JPH01181135 U JP H01181135U JP 1988079320 U JP1988079320 U JP 1988079320U JP 7932088 U JP7932088 U JP 7932088U JP H01181135 U JPH01181135 U JP H01181135U
- Authority
- JP
- Japan
- Prior art keywords
- substrates
- recording medium
- information recording
- spacer
- air
- 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 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の第一の実施例に係り一方の基
板を外した状態を示す平面図、第２図は本考案の
第二の実施例に係り一方の基板を外した状態を示
す平面図、第３図は従来例を示す縦断側面図であ
る。
１，２……記録面、３，４……基板、５，６…
…スペーサ、１０，１１……通気路。
FIG. 1 is a plan view of the first embodiment of the present invention with one board removed; FIG. 2 is a plan view of the second embodiment of the invention with one board removed. 3 are longitudinal sectional side views showing a conventional example. 1, 2... Recording surface, 3, 4... Substrate, 5, 6...
...Spacer, 10, 11...Ventilation path.
Claims (1)
少なくとも一方の面に記録層を形成し、前記基板
をスペーサを介して積層してなるエアーサンドイ
ツチ型の光情報記録媒体において、前記スペーサ
にその内周と外周とを一定値以下の断面積をもつ
て連通する所定長さの通気路をこのスペーサの半
径方向に対して所定の角度をもつて傾斜させて形
成したことを特徴とする光情報記録媒体。 In an air sandwich type optical information recording medium, a recording layer is formed on at least one of opposing surfaces of two substrates, at least one of which is transparent, and the substrates are laminated with a spacer interposed therebetween. A light characterized in that an air passageway of a predetermined length that communicates the inner periphery and the outer periphery with a cross-sectional area of a certain value or less is formed by being inclined at a predetermined angle with respect to the radial direction of the spacer. Information recording medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988079320U JPH01181135U (en) | 1988-06-15 | 1988-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988079320U JPH01181135U (en) | 1988-06-15 | 1988-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01181135U true JPH01181135U (en) | 1989-12-27 |
Family
ID=31304205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988079320U Pending JPH01181135U (en) | 1988-06-15 | 1988-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01181135U (en) |
-
1988
- 1988-06-15 JP JP1988079320U patent/JPH01181135U/ja active Pending
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