JPS627609B2 - - Google Patents
Info
- Publication number
- JPS627609B2 JPS627609B2 JP56104694A JP10469481A JPS627609B2 JP S627609 B2 JPS627609 B2 JP S627609B2 JP 56104694 A JP56104694 A JP 56104694A JP 10469481 A JP10469481 A JP 10469481A JP S627609 B2 JPS627609 B2 JP S627609B2
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- beam splitter
- quarter
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 28
- 230000004907 flux Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56104694A JPS586534A (ja) | 1981-07-03 | 1981-07-03 | 再生装置の光学装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56104694A JPS586534A (ja) | 1981-07-03 | 1981-07-03 | 再生装置の光学装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS586534A JPS586534A (ja) | 1983-01-14 |
| JPS627609B2 true JPS627609B2 (en, 2012) | 1987-02-18 |
Family
ID=14387578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56104694A Granted JPS586534A (ja) | 1981-07-03 | 1981-07-03 | 再生装置の光学装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS586534A (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2523469B2 (ja) * | 1984-03-26 | 1996-08-07 | 松下電器産業株式会社 | 光学記録再生ヘツド |
| JPS61287042A (ja) * | 1985-06-12 | 1986-12-17 | Pioneer Electronic Corp | 光学式ピツクアツプ装置 |
| JPH01133313U (en, 2012) * | 1988-03-07 | 1989-09-11 | ||
| JPH02276031A (ja) * | 1989-04-17 | 1990-11-09 | Canon Inc | 光学ヘッド |
| JP2014095642A (ja) * | 2012-11-09 | 2014-05-22 | Mitsutoyo Corp | 干渉対物レンズ光学系及び当該干渉対物レンズ光学系を備えた光干渉測定装置 |
-
1981
- 1981-07-03 JP JP56104694A patent/JPS586534A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS586534A (ja) | 1983-01-14 |
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