JP2004039161A5 - - Google Patents
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- Publication number
- JP2004039161A5 JP2004039161A5 JP2002197026A JP2002197026A JP2004039161A5 JP 2004039161 A5 JP2004039161 A5 JP 2004039161A5 JP 2002197026 A JP2002197026 A JP 2002197026A JP 2002197026 A JP2002197026 A JP 2002197026A JP 2004039161 A5 JP2004039161 A5 JP 2004039161A5
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- information recording
- light
- optical
- recording medium
- 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 14
- 239000011248 coating agent Substances 0.000 claims 5
- 238000000576 coating method Methods 0.000 claims 5
- 239000002356 single layer Substances 0.000 claims 2
- 239000006117 anti-reflective coating Substances 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002197026A JP2004039161A (ja) | 2002-07-05 | 2002-07-05 | 対物レンズおよび光ヘッド装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002197026A JP2004039161A (ja) | 2002-07-05 | 2002-07-05 | 対物レンズおよび光ヘッド装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004039161A JP2004039161A (ja) | 2004-02-05 |
| JP2004039161A5 true JP2004039161A5 (enExample) | 2005-10-27 |
Family
ID=31704900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002197026A Pending JP2004039161A (ja) | 2002-07-05 | 2002-07-05 | 対物レンズおよび光ヘッド装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004039161A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236293B (zh) | 2007-01-29 | 2012-06-20 | Hoya株式会社 | 用于光学拾取的物镜 |
| JP2008217886A (ja) | 2007-03-02 | 2008-09-18 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
| JP5025349B2 (ja) | 2007-06-25 | 2012-09-12 | 三洋電機株式会社 | 光ピックアップ装置 |
| JP2011233232A (ja) * | 2011-07-19 | 2011-11-17 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
-
2002
- 2002-07-05 JP JP2002197026A patent/JP2004039161A/ja active Pending
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