JPH0476616U - - Google Patents
Info
- Publication number
- JPH0476616U JPH0476616U JP1990119360U JP11936090U JPH0476616U JP H0476616 U JPH0476616 U JP H0476616U JP 1990119360 U JP1990119360 U JP 1990119360U JP 11936090 U JP11936090 U JP 11936090U JP H0476616 U JPH0476616 U JP H0476616U
- Authority
- JP
- Japan
- Prior art keywords
- optical information
- recording medium
- information recording
- substrates
- recording layers
- 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
- 239000000758 substrate Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 2
- 239000004576 sand Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990119360U JPH0476616U (sv) | 1990-11-16 | 1990-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990119360U JPH0476616U (sv) | 1990-11-16 | 1990-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476616U true JPH0476616U (sv) | 1992-07-03 |
Family
ID=31867324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990119360U Pending JPH0476616U (sv) | 1990-11-16 | 1990-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476616U (sv) |
-
1990
- 1990-11-16 JP JP1990119360U patent/JPH0476616U/ja active Pending