JPH01151425U - - Google Patents
Info
- Publication number
- JPH01151425U JPH01151425U JP1988045122U JP4512288U JPH01151425U JP H01151425 U JPH01151425 U JP H01151425U JP 1988045122 U JP1988045122 U JP 1988045122U JP 4512288 U JP4512288 U JP 4512288U JP H01151425 U JPH01151425 U JP H01151425U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- circumferential spacer
- recording medium
- optical information
- disk substrates
- 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 9
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000012790 adhesive layer Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045122U JPH01151425U (cs) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045122U JPH01151425U (cs) | 1988-04-01 | 1988-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01151425U true JPH01151425U (cs) | 1989-10-19 |
Family
ID=31271444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988045122U Pending JPH01151425U (cs) | 1988-04-01 | 1988-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01151425U (cs) |
-
1988
- 1988-04-01 JP JP1988045122U patent/JPH01151425U/ja active Pending