JPH0185921U - - Google Patents
Info
- Publication number
- JPH0185921U JPH0185921U JP1987179797U JP17979787U JPH0185921U JP H0185921 U JPH0185921 U JP H0185921U JP 1987179797 U JP1987179797 U JP 1987179797U JP 17979787 U JP17979787 U JP 17979787U JP H0185921 U JPH0185921 U JP H0185921U
- Authority
- JP
- Japan
- Prior art keywords
- pit
- layer
- transparent
- optical disc
- yellow
- 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.)
- Granted
Links
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179797U JPH0739060Y2 (ja) | 1987-11-26 | 1987-11-26 | 光学式ディスク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179797U JPH0739060Y2 (ja) | 1987-11-26 | 1987-11-26 | 光学式ディスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0185921U true JPH0185921U (2) | 1989-06-07 |
| JPH0739060Y2 JPH0739060Y2 (ja) | 1995-09-06 |
Family
ID=31471339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987179797U Expired - Lifetime JPH0739060Y2 (ja) | 1987-11-26 | 1987-11-26 | 光学式ディスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739060Y2 (2) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214487A (ja) * | 1988-02-22 | 1989-08-28 | Sony Corp | 光学記録媒体 |
-
1987
- 1987-11-26 JP JP1987179797U patent/JPH0739060Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214487A (ja) * | 1988-02-22 | 1989-08-28 | Sony Corp | 光学記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739060Y2 (ja) | 1995-09-06 |
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