JPH02140630U - - Google Patents
Info
- Publication number
- JPH02140630U JPH02140630U JP4804889U JP4804889U JPH02140630U JP H02140630 U JPH02140630 U JP H02140630U JP 4804889 U JP4804889 U JP 4804889U JP 4804889 U JP4804889 U JP 4804889U JP H02140630 U JPH02140630 U JP H02140630U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- state
- objective lens
- inspection device
- moved
- 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 10
- 238000007689 inspection Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4804889U JPH02140630U (tr) | 1989-04-24 | 1989-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4804889U JPH02140630U (tr) | 1989-04-24 | 1989-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140630U true JPH02140630U (tr) | 1990-11-26 |
Family
ID=31564519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4804889U Pending JPH02140630U (tr) | 1989-04-24 | 1989-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140630U (tr) |
-
1989
- 1989-04-24 JP JP4804889U patent/JPH02140630U/ja active Pending