JPH02146305U - - Google Patents
Info
- Publication number
- JPH02146305U JPH02146305U JP5674489U JP5674489U JPH02146305U JP H02146305 U JPH02146305 U JP H02146305U JP 5674489 U JP5674489 U JP 5674489U JP 5674489 U JP5674489 U JP 5674489U JP H02146305 U JPH02146305 U JP H02146305U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- eccentricity
- optical
- surface runout
- inspection device
- 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 17
- 238000007689 inspection Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674489U JPH02146305U (OSRAM) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674489U JPH02146305U (OSRAM) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146305U true JPH02146305U (OSRAM) | 1990-12-12 |
Family
ID=31580842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5674489U Pending JPH02146305U (OSRAM) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146305U (OSRAM) |
-
1989
- 1989-05-17 JP JP5674489U patent/JPH02146305U/ja active Pending
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