JPH0119242Y2 - - Google Patents
Info
- Publication number
- JPH0119242Y2 JPH0119242Y2 JP20264183U JP20264183U JPH0119242Y2 JP H0119242 Y2 JPH0119242 Y2 JP H0119242Y2 JP 20264183 U JP20264183 U JP 20264183U JP 20264183 U JP20264183 U JP 20264183U JP H0119242 Y2 JPH0119242 Y2 JP H0119242Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- axis
- optical
- laser beam
- optical disk
- 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 116
- 230000005855 radiation Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 description 24
- 239000004065 semiconductor Substances 0.000 description 23
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20264183U JPS60116617U (ja) | 1983-12-30 | 1983-12-30 | 光学ピツクアツプ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20264183U JPS60116617U (ja) | 1983-12-30 | 1983-12-30 | 光学ピツクアツプ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60116617U JPS60116617U (ja) | 1985-08-07 |
| JPH0119242Y2 true JPH0119242Y2 (US06534493-20030318-C00166.png) | 1989-06-05 |
Family
ID=30765080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20264183U Granted JPS60116617U (ja) | 1983-12-30 | 1983-12-30 | 光学ピツクアツプ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60116617U (US06534493-20030318-C00166.png) |
-
1983
- 1983-12-30 JP JP20264183U patent/JPS60116617U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60116617U (ja) | 1985-08-07 |
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