JP2004164817A - 光ピックアップ装置に用いる対物光学素子、光ピックアップ装置 - Google Patents
光ピックアップ装置に用いる対物光学素子、光ピックアップ装置 Download PDFInfo
- Publication number
- JP2004164817A JP2004164817A JP2003191060A JP2003191060A JP2004164817A JP 2004164817 A JP2004164817 A JP 2004164817A JP 2003191060 A JP2003191060 A JP 2003191060A JP 2003191060 A JP2003191060 A JP 2003191060A JP 2004164817 A JP2004164817 A JP 2004164817A
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- Prior art keywords
- optical
- pickup device
- recording medium
- information recording
- optical pickup
- 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.)
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- 238000000034 method Methods 0.000 description 12
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Images
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- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Head (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003191060A JP2004164817A (ja) | 2002-09-05 | 2003-07-03 | 光ピックアップ装置に用いる対物光学素子、光ピックアップ装置 |
| US10/651,679 US7577077B2 (en) | 2002-09-05 | 2003-08-29 | Optical pickup apparatus and optical element |
| US11/491,107 US20060256674A1 (en) | 2002-09-05 | 2006-07-21 | Optical pickup apparatus and optical element |
| US11/490,808 US7855945B2 (en) | 2002-09-05 | 2006-07-21 | Optical pickup apparatus and optical element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002260636 | 2002-09-05 | ||
| JP2003191060A JP2004164817A (ja) | 2002-09-05 | 2003-07-03 | 光ピックアップ装置に用いる対物光学素子、光ピックアップ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004164817A true JP2004164817A (ja) | 2004-06-10 |
| JP2004164817A5 JP2004164817A5 (enrdf_load_stackoverflow) | 2006-08-10 |
Family
ID=32827436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003191060A Pending JP2004164817A (ja) | 2002-09-05 | 2003-07-03 | 光ピックアップ装置に用いる対物光学素子、光ピックアップ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004164817A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005015554A1 (ja) * | 2003-08-12 | 2005-02-17 | Konica Minolta Opto, Inc. | 光ピックアップ装置 |
| US7586815B2 (en) * | 2004-10-20 | 2009-09-08 | Hitachi Maxell, Ltd. | Pickup lens with phase compensator and optical pickup apparatus using the same |
| US7924683B2 (en) | 2004-04-02 | 2011-04-12 | Konica Minolta Opto, Inc. | Optical pickup apparatus with objective optical system and guiding optical system |
| US8483033B2 (en) | 2011-07-15 | 2013-07-09 | Hoya Corporation | Optical information recording/reproducing apparatus and objective optical system for the same |
-
2003
- 2003-07-03 JP JP2003191060A patent/JP2004164817A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005015554A1 (ja) * | 2003-08-12 | 2005-02-17 | Konica Minolta Opto, Inc. | 光ピックアップ装置 |
| US7924683B2 (en) | 2004-04-02 | 2011-04-12 | Konica Minolta Opto, Inc. | Optical pickup apparatus with objective optical system and guiding optical system |
| US7586815B2 (en) * | 2004-10-20 | 2009-09-08 | Hitachi Maxell, Ltd. | Pickup lens with phase compensator and optical pickup apparatus using the same |
| US7855940B2 (en) | 2004-10-20 | 2010-12-21 | Hitachi Maxell, Ltd. | Pickup lens with phase compensator and optical pickup apparatus using the same |
| US8483033B2 (en) | 2011-07-15 | 2013-07-09 | Hoya Corporation | Optical information recording/reproducing apparatus and objective optical system for the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060626 |
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