DE60039319D1 - Asphärische Ojektivlinse und Herstellungsverfahren derselben - Google Patents
Asphärische Ojektivlinse und Herstellungsverfahren derselbenInfo
- Publication number
- DE60039319D1 DE60039319D1 DE60039319T DE60039319T DE60039319D1 DE 60039319 D1 DE60039319 D1 DE 60039319D1 DE 60039319 T DE60039319 T DE 60039319T DE 60039319 T DE60039319 T DE 60039319T DE 60039319 D1 DE60039319 D1 DE 60039319D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- aspherical lens
- aspherical
- lens
- 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 - Lifetime
Links
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
- G11B7/135—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
- 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)
- Lenses (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11008512A JP2000206405A (ja) | 1999-01-14 | 1999-01-14 | 非球面対物レンズ及びその製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60039319D1 true DE60039319D1 (de) | 2008-08-14 |
Family
ID=11695194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60039319T Expired - Lifetime DE60039319D1 (de) | 1999-01-14 | 2000-01-11 | Asphärische Ojektivlinse und Herstellungsverfahren derselben |
Country Status (5)
Country | Link |
---|---|
US (1) | US6625103B1 (de) |
EP (1) | EP1020852B1 (de) |
JP (1) | JP2000206405A (de) |
DE (1) | DE60039319D1 (de) |
HK (1) | HK1027426A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002163830A (ja) * | 2000-11-24 | 2002-06-07 | Toshiba Corp | 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体 |
JP2010153037A (ja) * | 2003-07-29 | 2010-07-08 | Hoya Corp | 対物レンズ |
JP2010153038A (ja) * | 2003-09-30 | 2010-07-08 | Hoya Corp | 対物レンズ |
JP4850032B2 (ja) * | 2006-11-08 | 2012-01-11 | 日立マクセル株式会社 | 光ピックアップレンズ |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4864228A (en) * | 1985-03-15 | 1989-09-05 | Fairchild Camera And Instrument Corporation | Electron beam test probe for integrated circuit testing |
US4979807A (en) * | 1989-04-12 | 1990-12-25 | Canon Kabushiki Kaisha | Biaspherical single lens for an optical information recording-reproducing apparatus |
US5148322A (en) * | 1989-11-09 | 1992-09-15 | Omron Tateisi Electronics Co. | Micro aspherical lens and fabricating method therefor and optical device |
JP2776207B2 (ja) * | 1993-08-09 | 1998-07-16 | 松下電器産業株式会社 | 光情報再生方法 |
KR100234249B1 (ko) * | 1995-06-07 | 1999-12-15 | 윤종용 | 광픽업용 2위치 결상 대물렌즈 |
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 |
US6061324A (en) * | 1996-10-23 | 2000-05-09 | Konica Corporation | Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens |
EP0844606B1 (de) * | 1996-11-20 | 2002-10-09 | Matsushita Electric Industrial Co., Ltd. | Objektivlinse und optischer Kopf und damit versehenes optisches Plattengerät |
KR100209916B1 (ko) * | 1997-02-13 | 1999-07-15 | 윤종용 | 복수의 광디스크사양들에 호환하는 대물렌즈를구비한 광픽업 |
US6091691A (en) * | 1997-02-13 | 2000-07-18 | Samsung Electronics Co., Ltd. | Optical pickup having an objective lens compatible with a plurality of optical disk formats |
KR100567291B1 (ko) * | 1997-04-21 | 2006-05-25 | 코니카 미놀타 홀딩스 가부시키가이샤 | 광픽업장치 |
JPH112759A (ja) * | 1997-06-13 | 1999-01-06 | Pioneer Electron Corp | 対物レンズ |
KR100514323B1 (ko) * | 1997-12-05 | 2005-12-08 | 삼성전자주식회사 | 복수의광디스크를호환하는대물렌즈를구비한광픽업 |
US6088322A (en) * | 1998-05-07 | 2000-07-11 | Broome; Barry G. | Single objective lens for use with CD or DVD optical disks |
-
1999
- 1999-01-14 JP JP11008512A patent/JP2000206405A/ja active Pending
-
2000
- 2000-01-11 EP EP00100490A patent/EP1020852B1/de not_active Expired - Lifetime
- 2000-01-11 DE DE60039319T patent/DE60039319D1/de not_active Expired - Lifetime
- 2000-01-14 US US09/482,887 patent/US6625103B1/en not_active Expired - Fee Related
- 2000-09-30 HK HK00106257A patent/HK1027426A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1027426A1 (en) | 2001-01-12 |
EP1020852B1 (de) | 2008-07-02 |
US6625103B1 (en) | 2003-09-23 |
JP2000206405A (ja) | 2000-07-28 |
EP1020852A1 (de) | 2000-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition |