JPH01165918U - - Google Patents
Info
- Publication number
- JPH01165918U JPH01165918U JP6142288U JP6142288U JPH01165918U JP H01165918 U JPH01165918 U JP H01165918U JP 6142288 U JP6142288 U JP 6142288U JP 6142288 U JP6142288 U JP 6142288U JP H01165918 U JPH01165918 U JP H01165918U
- Authority
- JP
- Japan
- Prior art keywords
- collimating lens
- laser beam
- optical pickup
- groove
- correction
- 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 8
- 239000004065 semiconductor Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
Landscapes
- Lens Barrels (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6142288U JPH01165918U (de) | 1988-05-09 | 1988-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6142288U JPH01165918U (de) | 1988-05-09 | 1988-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01165918U true JPH01165918U (de) | 1989-11-21 |
Family
ID=31287092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6142288U Pending JPH01165918U (de) | 1988-05-09 | 1988-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01165918U (de) |
-
1988
- 1988-05-09 JP JP6142288U patent/JPH01165918U/ja active Pending