JPH0159918U - - Google Patents
Info
- Publication number
- JPH0159918U JPH0159918U JP15361687U JP15361687U JPH0159918U JP H0159918 U JPH0159918 U JP H0159918U JP 15361687 U JP15361687 U JP 15361687U JP 15361687 U JP15361687 U JP 15361687U JP H0159918 U JPH0159918 U JP H0159918U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- semiconductor laser
- objective lens
- recording surface
- shaped portion
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Lens Barrels (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361687U JPH0629784Y2 (ja) | 1987-10-06 | 1987-10-06 | 光学式ピックアップの光学装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361687U JPH0629784Y2 (ja) | 1987-10-06 | 1987-10-06 | 光学式ピックアップの光学装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159918U true JPH0159918U (ko) | 1989-04-14 |
| JPH0629784Y2 JPH0629784Y2 (ja) | 1994-08-10 |
Family
ID=31429619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15361687U Expired - Lifetime JPH0629784Y2 (ja) | 1987-10-06 | 1987-10-06 | 光学式ピックアップの光学装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629784Y2 (ko) |
-
1987
- 1987-10-06 JP JP15361687U patent/JPH0629784Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629784Y2 (ja) | 1994-08-10 |