JPH0462521U - - Google Patents
Info
- Publication number
- JPH0462521U JPH0462521U JP1990105623U JP10562390U JPH0462521U JP H0462521 U JPH0462521 U JP H0462521U JP 1990105623 U JP1990105623 U JP 1990105623U JP 10562390 U JP10562390 U JP 10562390U JP H0462521 U JPH0462521 U JP H0462521U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- information recording
- optical information
- spacer
- medium according
- 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 13
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 3
- 239000000463 material Substances 0.000 claims 2
- 239000011261 inert gas Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990105623U JPH0462521U (en]) | 1990-10-09 | 1990-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990105623U JPH0462521U (en]) | 1990-10-09 | 1990-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0462521U true JPH0462521U (en]) | 1992-05-28 |
Family
ID=31851380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990105623U Pending JPH0462521U (en]) | 1990-10-09 | 1990-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0462521U (en]) |
-
1990
- 1990-10-09 JP JP1990105623U patent/JPH0462521U/ja active Pending