JPH0216427U - - Google Patents
Info
- Publication number
- JPH0216427U JPH0216427U JP9603688U JP9603688U JPH0216427U JP H0216427 U JPH0216427 U JP H0216427U JP 9603688 U JP9603688 U JP 9603688U JP 9603688 U JP9603688 U JP 9603688U JP H0216427 U JPH0216427 U JP H0216427U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- disk master
- spot
- light
- objective lens
- 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 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9603688U JPH0216427U (enExample) | 1988-07-20 | 1988-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9603688U JPH0216427U (enExample) | 1988-07-20 | 1988-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216427U true JPH0216427U (enExample) | 1990-02-01 |
Family
ID=31320834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9603688U Pending JPH0216427U (enExample) | 1988-07-20 | 1988-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216427U (enExample) |
-
1988
- 1988-07-20 JP JP9603688U patent/JPH0216427U/ja active Pending