CN1197979A - 物镜及采用这种物镜的光头 - Google Patents
物镜及采用这种物镜的光头 Download PDFInfo
- Publication number
- CN1197979A CN1197979A CN98105545A CN98105545A CN1197979A CN 1197979 A CN1197979 A CN 1197979A CN 98105545 A CN98105545 A CN 98105545A CN 98105545 A CN98105545 A CN 98105545A CN 1197979 A CN1197979 A CN 1197979A
- Authority
- CN
- China
- Prior art keywords
- object lens
- mentioned
- wavelength
- substrate
- laser beam
- 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 title abstract description 15
- 230000004075 alteration Effects 0.000 claims abstract description 95
- 239000000758 substrate Substances 0.000 claims abstract description 72
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000010363 phase shift Effects 0.000 description 32
- 238000005457 optimization Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 20
- 210000003128 head Anatomy 0.000 description 16
- 230000009977 dual effect Effects 0.000 description 15
- 238000011156 evaluation Methods 0.000 description 7
- 210000001747 pupil Anatomy 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000001644 thecoma Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Lenses (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05880097A JP3484038B2 (ja) | 1997-03-13 | 1997-03-13 | 対物レンズおよびそれを用いた光ヘッド |
JP058800/1997 | 1997-03-13 | ||
JP058800/97 | 1997-03-13 | ||
JP16374397A JP3550480B2 (ja) | 1997-06-20 | 1997-06-20 | 対物レンズおよびそれを用いた光ヘッド |
JP163743/1997 | 1997-06-20 | ||
JP163743/97 | 1997-06-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1197979A true CN1197979A (zh) | 1998-11-04 |
CN1191575C CN1191575C (zh) | 2005-03-02 |
Family
ID=26399802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981055451A Expired - Lifetime CN1191575C (zh) | 1997-03-13 | 1998-03-12 | 物镜及采用这种物镜的光头 |
Country Status (6)
Country | Link |
---|---|
US (5) | US6215756B1 (zh) |
EP (3) | EP0865037B1 (zh) |
KR (1) | KR19980080167A (zh) |
CN (1) | CN1191575C (zh) |
DE (1) | DE69840116D1 (zh) |
TW (1) | TW525158B (zh) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69840116D1 (de) | 1997-03-13 | 2008-11-27 | Hitachi Maxell | Optische Linse und optischer Abtastkopf |
KR100514323B1 (ko) * | 1997-12-05 | 2005-12-08 | 삼성전자주식회사 | 복수의광디스크를호환하는대물렌즈를구비한광픽업 |
CN1214376C (zh) * | 1998-06-26 | 2005-08-10 | 宾得株式会社 | 光学拾像装置的物镜 |
US6831886B1 (en) * | 1998-11-27 | 2004-12-14 | Minolta Co., Ltd. | Optical head and optical head device |
JP3545233B2 (ja) * | 1998-12-08 | 2004-07-21 | シャープ株式会社 | 球面収差検出装置および光ピックアップ装置 |
US6760295B1 (en) | 1999-01-08 | 2004-07-06 | Pentax Corporation | Optical pick-up |
JP5124065B2 (ja) | 1999-03-15 | 2013-01-23 | パナソニック株式会社 | 収束素子、光ヘッド、光情報記録再生装置および光情報記録再生方法 |
EP1122573A4 (en) * | 1999-06-23 | 2005-07-20 | Matsushita Electronics Corp | OPTICAL DISK OBJECTIVE, OPTICAL HEAD DEVICE, AND OPTICAL INFORMATION RECORDING / REPRODUCING APPARATUS, LENS FORMING MOLD, MOLD MILLING AND LENS FORMING METHOD, AND SHAPE MEASURING INSTRUMENT |
JP3858523B2 (ja) * | 1999-07-27 | 2006-12-13 | 株式会社日立製作所 | 対物レンズ |
EP1515319B1 (en) * | 1999-10-06 | 2008-07-23 | Matsushita Electric Industrial Co., Ltd. | Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method |
EP1102250A3 (en) * | 1999-11-17 | 2003-03-26 | Konica Corporation | Optical pickup apparatus and objective lens |
WO2001048746A1 (en) * | 1999-12-24 | 2001-07-05 | Koninklijke Philips Electronics N.V. | Optical element |
KR100657251B1 (ko) | 2000-01-14 | 2006-12-19 | 삼성전자주식회사 | 광픽업장치 |
US7085203B2 (en) * | 2000-03-03 | 2006-08-01 | Matsushita Electric Industrial Co., Ltd. | Optical head with defocusing correction and spherical aberration correction |
EP1143429A3 (en) * | 2000-03-31 | 2003-05-21 | Asahi Glass Co., Ltd. | Objective lens and optical device |
TW513718B (en) * | 2000-07-08 | 2002-12-11 | Samsung Electronics Co Ltd | Compatible optical pickup device adopting single light source |
JP2002092934A (ja) | 2000-07-08 | 2002-03-29 | Samsung Electronics Co Ltd | 単一光源を採用した互換型光ピックアップ装置 |
JP4903300B2 (ja) * | 2000-07-31 | 2012-03-28 | 旭硝子株式会社 | 光学装置 |
KR100809494B1 (ko) * | 2000-10-03 | 2008-03-04 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광학주사장치 |
JP3827278B2 (ja) * | 2000-10-10 | 2006-09-27 | フジノン株式会社 | 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 |
JP2003123282A (ja) * | 2001-08-06 | 2003-04-25 | Sharp Corp | 焦点調整方法および光ピックアップ装置 |
EP1433172A1 (en) | 2001-09-20 | 2004-06-30 | Koninklijke Philips Electronics N.V. | Optical scanning device |
US7102981B2 (en) | 2001-12-05 | 2006-09-05 | Koninklijke Philips Electronics N.V. | Optical scanning device |
CN1639783A (zh) | 2001-12-06 | 2005-07-13 | 皇家飞利浦电子股份有限公司 | 光学扫描设备 |
AU2003280157A1 (en) * | 2002-12-04 | 2004-06-23 | Koninklijke Philips Electronics N.V. | Objective lens and scanning device using such an objective lens |
TW200508651A (en) * | 2003-06-09 | 2005-03-01 | Konica Minolta Opto Inc | Optical system for optical pickup apparatus, optical pickup apparatus, optical information recording and/or reproducing apparatus and aberration-correcting element for optical pickup apparatus |
DE10352619B4 (de) * | 2003-07-11 | 2012-09-27 | Koenig & Bauer Aktiengesellschaft | Verfahren und Vorrichtung zur Beeinflussung des Fan-Out-Effektes |
EP1745476B1 (en) * | 2004-05-04 | 2008-03-26 | Koninklijke Philips Electronics N.V. | Optical reader/writer with dedicated focus tracking beam |
US7706007B2 (en) * | 2005-04-08 | 2010-04-27 | Palo Alto Research Center Incorporated | Synchronization in a distributed system |
CN102013631B (zh) * | 2005-08-25 | 2012-07-04 | 宾奥普迪克斯股份有限公司 | 形成在单个薄片上的半导体激光器谐振腔 |
JP2007066373A (ja) * | 2005-08-30 | 2007-03-15 | Hitachi Maxell Ltd | 対物レンズ、光ヘッド及び光学系並びに対物レンズの設計方法 |
JP2008176903A (ja) * | 2006-12-18 | 2008-07-31 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
EP1936618A3 (en) * | 2006-12-18 | 2008-08-06 | Sanyo Electric Co., Ltd. | Optical pickup having optical path length correction function |
US8049963B2 (en) | 2008-10-17 | 2011-11-01 | Massachusetts Institute Of Technology | Multiple-wavelength binary diffractive lenses |
JP5228878B2 (ja) | 2008-12-17 | 2013-07-03 | 株式会社リコー | カップリングレンズ、照明装置、及び電子機器 |
US8465471B2 (en) * | 2009-08-05 | 2013-06-18 | Rocin Laboratories, Inc. | Endoscopically-guided electro-cauterizing power-assisted fat aspiration system for aspirating visceral fat tissue within the abdomen of a patient |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5017000A (en) * | 1986-05-14 | 1991-05-21 | Cohen Allen L | Multifocals using phase shifting |
JPS63239402A (ja) * | 1986-11-06 | 1988-10-05 | Matsushita Electric Ind Co Ltd | 光学装置 |
JP3309470B2 (ja) * | 1993-03-10 | 2002-07-29 | 松下電器産業株式会社 | 光情報記録再生装置 |
US5930214A (en) * | 1994-01-19 | 1999-07-27 | Kabushiki Kaisha Toshiba | Recording/reproducing optical head apparatus compatible with different optical media |
JPH0817068A (ja) * | 1994-06-30 | 1996-01-19 | Hitachi Ltd | 光ヘッド装置 |
US5926450A (en) * | 1995-03-15 | 1999-07-20 | U.S. Philips Corporation | Device for optically scanning record carriers of different thicknesses |
KR100234249B1 (ko) * | 1995-06-07 | 1999-12-15 | 윤종용 | 광픽업용 2위치 결상 대물렌즈 |
JP3186773B2 (ja) * | 1995-08-30 | 2001-07-11 | 三星電子株式会社 | レンズ装置及びそれを用いる光ピックアップ装置 |
KR970017245A (ko) * | 1995-09-29 | 1997-04-30 | 배순훈 | 듀얼 포커스 광 픽업장치 |
JP4006032B2 (ja) * | 1995-12-28 | 2007-11-14 | 株式会社日立製作所 | 対物レンズおよび光ヘッド |
KR100230253B1 (ko) * | 1996-02-14 | 1999-11-15 | 윤종용 | 대물렌즈 장치 및 이의 제작방법 및 이를 적용한 광픽업장치 |
US5808999A (en) * | 1996-05-17 | 1998-09-15 | Konica Corporation | Optical pickup apparatus and objective lens for optical pickup apparatus |
JP3426084B2 (ja) * | 1996-05-24 | 2003-07-14 | シャープ株式会社 | 光学式記録再生装置 |
CN1170931A (zh) * | 1996-05-31 | 1998-01-21 | 大宇电子株式会社 | 用于阅读不同厚度光盘的光拾取系统 |
JP3531024B2 (ja) * | 1996-07-10 | 2004-05-24 | コニカミノルタホールディングス株式会社 | 光情報記録媒体の記録及び/又は再生用光学系及び対物レンズ |
JP3378154B2 (ja) * | 1996-07-16 | 2003-02-17 | シャープ株式会社 | 光学式記録再生装置 |
KR980011158A (ko) * | 1996-07-31 | 1998-04-30 | 배순훈 | 광 픽-업장치 |
US5883874A (en) * | 1996-07-31 | 1999-03-16 | Daewoo Electronics Co., Ltd. | Optical pickup system for selectively reading a multiple number of optical disks |
US5966364A (en) * | 1996-08-26 | 1999-10-12 | Laser Dynamcics, Inc. | Optical pick-up apparatus for multiple data surface optical disk system |
TW313663B (en) | 1996-08-28 | 1997-08-21 | Sampo Corp | The pick-up head device for accessing disk with different dispersion or thickness |
DE69840116D1 (de) * | 1997-03-13 | 2008-11-27 | Hitachi Maxell | Optische Linse und optischer Abtastkopf |
-
1998
- 1998-03-04 DE DE69840116T patent/DE69840116D1/de not_active Expired - Lifetime
- 1998-03-04 EP EP98103844A patent/EP0865037B1/en not_active Expired - Lifetime
- 1998-03-04 TW TW087103148A patent/TW525158B/zh not_active IP Right Cessation
- 1998-03-04 EP EP07017029.5A patent/EP1884944B1/en not_active Expired - Lifetime
- 1998-03-04 EP EP07017030A patent/EP1909272A3/en not_active Withdrawn
- 1998-03-12 CN CNB981055451A patent/CN1191575C/zh not_active Expired - Lifetime
- 1998-03-12 KR KR1019980008208A patent/KR19980080167A/ko not_active Application Discontinuation
- 1998-03-13 US US09/041,768 patent/US6215756B1/en not_active Expired - Lifetime
-
2000
- 2000-02-10 US US09/501,682 patent/US6256284B1/en not_active Expired - Fee Related
-
2001
- 2001-01-25 US US09/768,310 patent/US6333908B2/en not_active Expired - Lifetime
- 2001-09-06 US US09/946,757 patent/US6430140B1/en not_active Expired - Lifetime
-
2002
- 2002-03-04 US US10/086,723 patent/US6493307B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1191575C (zh) | 2005-03-02 |
US20020114259A1 (en) | 2002-08-22 |
EP1909272A2 (en) | 2008-04-09 |
EP1884944A2 (en) | 2008-02-06 |
US6256284B1 (en) | 2001-07-03 |
US6333908B2 (en) | 2001-12-25 |
EP1909272A3 (en) | 2009-03-04 |
EP0865037B1 (en) | 2008-10-15 |
US20020048250A1 (en) | 2002-04-25 |
DE69840116D1 (de) | 2008-11-27 |
US6215756B1 (en) | 2001-04-10 |
KR19980080167A (ko) | 1998-11-25 |
US6430140B1 (en) | 2002-08-06 |
EP1884944B1 (en) | 2014-08-27 |
US6493307B2 (en) | 2002-12-10 |
EP1884944A3 (en) | 2009-04-01 |
EP0865037A1 (en) | 1998-09-16 |
TW525158B (en) | 2003-03-21 |
US20010005351A1 (en) | 2001-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI MAXELL Free format text: FORMER OWNER: HITACHI CO., LTD. Effective date: 20080104 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080104 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20180110 Address after: Kyoto Japan Patentee after: Mike seer Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
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TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20050302 |
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CX01 | Expiry of patent term |