JPH0755689Y2 - 対物レンズアクチュエータの検査装置 - Google Patents
対物レンズアクチュエータの検査装置Info
- Publication number
- JPH0755689Y2 JPH0755689Y2 JP5046589U JP5046589U JPH0755689Y2 JP H0755689 Y2 JPH0755689 Y2 JP H0755689Y2 JP 5046589 U JP5046589 U JP 5046589U JP 5046589 U JP5046589 U JP 5046589U JP H0755689 Y2 JPH0755689 Y2 JP H0755689Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens actuator
- signal
- optical disk
- inspection
- 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.)
- Expired - Lifetime
Links
- 238000007689 inspection Methods 0.000 title claims description 31
- 230000003287 optical effect Effects 0.000 claims description 84
- 230000002194 synthesizing effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000002950 deficient Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5046589U JPH0755689Y2 (ja) | 1989-04-29 | 1989-04-29 | 対物レンズアクチュエータの検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5046589U JPH0755689Y2 (ja) | 1989-04-29 | 1989-04-29 | 対物レンズアクチュエータの検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02144126U JPH02144126U (enExample) | 1990-12-06 |
| JPH0755689Y2 true JPH0755689Y2 (ja) | 1995-12-20 |
Family
ID=31569034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5046589U Expired - Lifetime JPH0755689Y2 (ja) | 1989-04-29 | 1989-04-29 | 対物レンズアクチュエータの検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755689Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2742715B2 (ja) * | 1989-10-17 | 1998-04-22 | 株式会社小野測器 | 機械特性評価用光ピックアップの校正方法 |
-
1989
- 1989-04-29 JP JP5046589U patent/JPH0755689Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02144126U (enExample) | 1990-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |