TWI321320B - - Google Patents
Download PDFInfo
- Publication number
- TWI321320B TWI321320B TW095127812A TW95127812A TWI321320B TW I321320 B TWI321320 B TW I321320B TW 095127812 A TW095127812 A TW 095127812A TW 95127812 A TW95127812 A TW 95127812A TW I321320 B TWI321320 B TW I321320B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- optical
- wavelength
- diffraction
- light beam
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 272
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 2
- 238000009751 slip forming Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 208000027534 Emotional disease Diseases 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 235000005811 Viola adunca Nutrition 0.000 description 1
- 240000009038 Viola odorata Species 0.000 description 1
- 235000013487 Viola odorata Nutrition 0.000 description 1
- 235000002254 Viola papilionacea Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
- G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4294—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect in multispectral systems, e.g. UV and visible
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optical Head (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005231274A JP4297099B2 (ja) | 2005-08-09 | 2005-08-09 | 光ピックアップ及び光ディスク装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200741682A TW200741682A (en) | 2007-11-01 |
| TWI321320B true TWI321320B (enExample) | 2010-03-01 |
Family
ID=37721917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095127812A TW200741682A (en) | 2005-08-09 | 2006-07-28 | Optical pickup and optical disk drive |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7729228B2 (enExample) |
| JP (1) | JP4297099B2 (enExample) |
| CN (1) | CN100454049C (enExample) |
| TW (1) | TW200741682A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5393020B2 (ja) * | 2007-04-26 | 2014-01-22 | 株式会社リコー | 光ピックアップおよび光情報処理装置 |
| KR101215272B1 (ko) | 2010-03-30 | 2012-12-26 | 방주광학 주식회사 | 대용량 광 픽업용 대물렌즈 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003091764A1 (en) | 2002-04-18 | 2003-11-06 | Matsushita Electric Industrial Co., Ltd. | Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system |
| JP2004152443A (ja) | 2002-10-31 | 2004-05-27 | Konica Minolta Holdings Inc | 光ピックアップ装置及び対物光学素子 |
| US20040213134A1 (en) * | 2003-04-24 | 2004-10-28 | Minolta Co., Ltd. | Optical pickup apparatus |
| JP3966303B2 (ja) | 2003-04-24 | 2007-08-29 | コニカミノルタオプト株式会社 | 回折光学素子及びそれを用いた光ピックアップ装置 |
| JP2005011466A (ja) | 2003-06-20 | 2005-01-13 | Victor Co Of Japan Ltd | 光ピックアップ装置 |
| JP2005038575A (ja) | 2003-06-23 | 2005-02-10 | Konica Minolta Opto Inc | 光ピックアップ装置 |
| JP4245995B2 (ja) * | 2003-07-02 | 2009-04-02 | 株式会社リコー | 光ピックアップ及びこれを用いる光情報処理装置 |
| JP2005166173A (ja) * | 2003-12-03 | 2005-06-23 | Konica Minolta Opto Inc | 光ピックアップ装置及び光情報記録再生装置 |
| TW200532679A (en) * | 2004-02-13 | 2005-10-01 | Konica Minolta Opto Inc | Optical pickup apparatus and diffractive optical element for optical pickup apparatus |
| JP2006127714A (ja) | 2004-11-01 | 2006-05-18 | Konica Minolta Opto Inc | 対物光学系及び光ピックアップ装置 |
-
2005
- 2005-08-09 JP JP2005231274A patent/JP4297099B2/ja not_active Expired - Fee Related
-
2006
- 2006-07-28 TW TW095127812A patent/TW200741682A/zh not_active IP Right Cessation
- 2006-07-31 US US11/495,740 patent/US7729228B2/en not_active Expired - Fee Related
- 2006-08-09 CN CNB200610114868XA patent/CN100454049C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007048374A (ja) | 2007-02-22 |
| US20070035837A1 (en) | 2007-02-15 |
| CN100454049C (zh) | 2009-01-21 |
| US7729228B2 (en) | 2010-06-01 |
| TW200741682A (en) | 2007-11-01 |
| JP4297099B2 (ja) | 2009-07-15 |
| CN1913016A (zh) | 2007-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4846975B2 (ja) | 光学素子、対物光学系および光ピックアップ装置 | |
| JP2005100586A (ja) | 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置 | |
| US8064314B2 (en) | Optical head and optical disc device | |
| JP4329608B2 (ja) | 対物レンズ、光ピックアップ装置及び光情報記録再生装置 | |
| JP2005327403A (ja) | 光ピックアップ及び光学記録媒体記録再生装置 | |
| WO2007123112A1 (ja) | 光ピックアップ装置、光学素子及び光情報記録再生装置並びに光学素子の設計方法 | |
| TWI321320B (enExample) | ||
| JP4833797B2 (ja) | 光ピックアップおよび光情報処理装置 | |
| JP2011081868A (ja) | 対物レンズ、及び光ピックアップ装置 | |
| JP2011165224A (ja) | 光ピックアップおよび光ディスク装置、コンピュータ、光ディスクプレーヤ、光ディスクレコーダ | |
| JP2006172605A (ja) | 光ピックアップ装置 | |
| JP2007273013A (ja) | 回折素子の設計方法並びに回折素子、対物レンズユニット、光ピックアップ及び光ディスク装置 | |
| JP4042802B2 (ja) | 光ピックアップ装置および光ディスク装置 | |
| JP2006209931A (ja) | 集光光学装置、光ピックアップ及び光ディスク装置 | |
| KR100915490B1 (ko) | 광 픽업 장치, 광 디스크 장치 및 레이저 출력기 | |
| KR101727520B1 (ko) | 회절 소자를 갖는 광 픽업 장치 및 이를 구비한 광 기록 및 재생 장치 | |
| JP4834168B2 (ja) | 光ピックアップ装置 | |
| JP3970254B2 (ja) | 光ピックアップ装置 | |
| JP2009266290A (ja) | 対物レンズ及び光ピックアップ装置 | |
| JP2005339762A (ja) | 光ピックアップ及び光ディスク装置 | |
| JP4568612B2 (ja) | 光ヘッドおよび光ディスクドライブ装置 | |
| JP2001076376A (ja) | 光ピックアップ装置 | |
| JP3963904B2 (ja) | 光ピックアップ装置 | |
| JP2014175030A (ja) | 光集積素子、光ヘッド装置、及び光ディスク装置 | |
| JP2007280549A (ja) | 光ピックアップ及び光ディスク装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |