JPH0410046B2 - - Google Patents
Info
- Publication number
- JPH0410046B2 JPH0410046B2 JP20051783A JP20051783A JPH0410046B2 JP H0410046 B2 JPH0410046 B2 JP H0410046B2 JP 20051783 A JP20051783 A JP 20051783A JP 20051783 A JP20051783 A JP 20051783A JP H0410046 B2 JPH0410046 B2 JP H0410046B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light source
- source side
- optical disk
- curvature
- 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 19
- 230000005499 meniscus Effects 0.000 claims description 6
- 230000004075 alteration Effects 0.000 description 17
- 239000006059 cover glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20051783A JPS6091318A (ja) | 1983-10-26 | 1983-10-26 | 光デイスク用対物レンズ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20051783A JPS6091318A (ja) | 1983-10-26 | 1983-10-26 | 光デイスク用対物レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6091318A JPS6091318A (ja) | 1985-05-22 |
| JPH0410046B2 true JPH0410046B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-02-24 |
Family
ID=16425624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20051783A Granted JPS6091318A (ja) | 1983-10-26 | 1983-10-26 | 光デイスク用対物レンズ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6091318A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031593A (zh) * | 2018-08-03 | 2018-12-18 | 瑞声光电科技（苏州）有限公司 | 投影镜头 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63271213A (ja) * | 1987-04-28 | 1988-11-09 | Pioneer Electronic Corp | 光学式ピツクアツプ用対物レンズ |
| US7061695B2 (en) * | 2003-11-04 | 2006-06-13 | Eastman Kodak Company | Three element optical system |
-
1983
- 1983-10-26 JP JP20051783A patent/JPS6091318A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031593A (zh) * | 2018-08-03 | 2018-12-18 | 瑞声光电科技（苏州）有限公司 | 投影镜头 |
| CN109031593B (zh) * | 2018-08-03 | 2021-02-23 | 诚瑞光学(苏州)有限公司 | 投影镜头 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6091318A (ja) | 1985-05-22 |