JPH0458818U - - Google Patents
Info
- Publication number
- JPH0458818U JPH0458818U JP1990098520U JP9852090U JPH0458818U JP H0458818 U JPH0458818 U JP H0458818U JP 1990098520 U JP1990098520 U JP 1990098520U JP 9852090 U JP9852090 U JP 9852090U JP H0458818 U JPH0458818 U JP H0458818U
- Authority
- JP
- Japan
- Prior art keywords
- optical storage
- storage medium
- medium substrate
- circumferential surface
- shaped
- 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 15
- 239000000758 substrate Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000031700 light absorption Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990098520U JPH0458818U (en]) | 1990-09-21 | 1990-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990098520U JPH0458818U (en]) | 1990-09-21 | 1990-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458818U true JPH0458818U (en]) | 1992-05-20 |
Family
ID=31839768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990098520U Pending JPH0458818U (en]) | 1990-09-21 | 1990-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458818U (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2013145523A1 (ja) * | 2012-03-28 | 2015-12-10 | パナソニックＩｐマネジメント株式会社 | ディスク |
-
1990
- 1990-09-21 JP JP1990098520U patent/JPH0458818U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2013145523A1 (ja) * | 2012-03-28 | 2015-12-10 | パナソニックＩｐマネジメント株式会社 | ディスク |