WO2000008642A1 - Catadioptric lens, optical head, and optical recording/reproducing apparatus - Google Patents
Catadioptric lens, optical head, and optical recording/reproducing apparatus Download PDFInfo
- Publication number
- WO2000008642A1 WO2000008642A1 PCT/JP1999/004089 JP9904089W WO0008642A1 WO 2000008642 A1 WO2000008642 A1 WO 2000008642A1 JP 9904089 W JP9904089 W JP 9904089W WO 0008642 A1 WO0008642 A1 WO 0008642A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- optical
- curvature
- radius
- catadioptric lens
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
- G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0804—Catadioptric systems using two curved mirrors
- G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
-
- 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
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
-
- 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
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
- G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/1058—Flying heads
-
- 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
- G11B2007/13725—Catadioptric lenses, i.e. having at least one internal reflective surface
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Lenses (AREA)
- Optical Head (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007003674A KR100560573B1 (ko) | 1998-08-07 | 1999-07-29 | 카타디옵트릭 렌즈, 광학 헤드 및 광 기록 재생 장치 |
US09/509,417 US6256154B1 (en) | 1998-08-07 | 1999-07-29 | Catadioptric lens, optical head and optical recording and/or reproducing apparatus |
JP2000564197A JP4165013B2 (ja) | 1998-08-07 | 1999-07-29 | カタディオプトリックレンズ、光学ヘッド及び光記録再生装置 |
EP99933169A EP1020853A4 (en) | 1998-08-07 | 1999-07-29 | CATADIOPTRIC LENS, OPTICAL HEAD AND OPTICAL RECORDING AND REPRODUCING DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/224887 | 1998-08-07 | ||
JP22488798 | 1998-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000008642A1 true WO2000008642A1 (en) | 2000-02-17 |
Family
ID=16820729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/004089 WO2000008642A1 (en) | 1998-08-07 | 1999-07-29 | Catadioptric lens, optical head, and optical recording/reproducing apparatus |
Country Status (6)
Country | Link |
---|---|
US (1) | US6256154B1 (ja) |
EP (1) | EP1020853A4 (ja) |
JP (1) | JP4165013B2 (ja) |
KR (1) | KR100560573B1 (ja) |
CN (1) | CN1189877C (ja) |
WO (1) | WO2000008642A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001194582A (ja) * | 1999-11-30 | 2001-07-19 | Samsung Electronics Co Ltd | 高密度光集束のための対物レンズ及びこれを採用した光ピックアップ装置並びにこれに適した光ディスク |
JP2002131632A (ja) * | 2000-10-19 | 2002-05-09 | Konica Corp | 光学部品及びその製造方法 |
JP2005144561A (ja) * | 2003-11-11 | 2005-06-09 | Seiko Epson Corp | 近接場光プローブ、近接場光の取出し方法並びに近接場光を用いた加工方法 |
JP2009044143A (ja) * | 2007-07-18 | 2009-02-26 | Asml Holding Nv | 光波拡散計測用反射屈折光学システム |
JP2013538375A (ja) * | 2010-09-20 | 2013-10-10 | ネイダーランゼ、オルガニザティー、ボー、トゥーゲパストナトゥールウェテンシャッペルーク、オンダーツォーク、ティーエヌオー | 屈折表面部と反射表面部とを備えた透明なモノリシック構造体を有する光学プローブ |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001176118A (ja) * | 1999-12-15 | 2001-06-29 | Minolta Co Ltd | 光ヘッド、記録再生装置、および固浸レンズ |
JP2003006954A (ja) * | 2001-06-20 | 2003-01-10 | Sony Corp | 光磁気ヘッド及び光磁気記録再生装置 |
KR100438571B1 (ko) * | 2001-08-28 | 2004-07-02 | 엘지전자 주식회사 | 광 기록 및 재생 시스템용 광학렌즈 |
KR100439373B1 (ko) * | 2001-09-13 | 2004-07-09 | 엘지전자 주식회사 | 이종 기록매체 호환 광픽업 장치 |
US7342869B2 (en) * | 2002-07-08 | 2008-03-11 | Sony Corporation | Optical-recording medium playback apparatus and optical-recording medium, including flying optical head features |
DE10239956B4 (de) * | 2002-08-26 | 2006-01-19 | Carl Zeiss Smt Ag | Katadioptrisches Mikroskopobjektiv |
US9018561B2 (en) * | 2007-05-23 | 2015-04-28 | Cymer, Llc | High power seed/amplifier laser system with beam shaping intermediate the seed and amplifier |
CN102621666B (zh) * | 2011-12-27 | 2014-05-14 | 苏州大学 | 一种望远物镜光学系统 |
CN203273698U (zh) * | 2013-04-16 | 2013-11-06 | 王海军 | 二次内反射式透镜及采用该透镜的led灯具 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6425113A (en) * | 1987-07-21 | 1989-01-27 | Mark Kk | Finite system large aperture single lens |
JPH08201698A (ja) * | 1995-01-31 | 1996-08-09 | Asahi Optical Co Ltd | 光偏向素子および光情報記録/再生装置 |
EP0747744A1 (en) * | 1995-06-06 | 1996-12-11 | Hughes Missile Systems Company | Single catadioptric lens |
GB2315562A (en) * | 1996-07-22 | 1998-02-04 | Kla Instr Corp | Broad spectrum ultraviolet catadioptric imaging system |
WO1999027532A1 (en) * | 1997-11-22 | 1999-06-03 | Samsung Electronics Co., Ltd. | Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2177812B (en) * | 1985-07-13 | 1988-09-21 | Pilkington Perkin Elmer Ltd | A catadioptric lens |
DE3583039D1 (de) * | 1985-12-17 | 1991-07-04 | Ibm Deutschland | Schreib/lesekopf fuer optische platten. |
US5031976A (en) * | 1990-09-24 | 1991-07-16 | Kla Instruments, Corporation | Catadioptric imaging system |
RU2091835C1 (ru) * | 1996-01-23 | 1997-09-27 | Открытое акционерное общество "Красногорский завод им.С.А.Зверева" | Зеркально-линзовый объектив для ближней ик - области спектра излучения |
KR100294237B1 (ko) * | 1998-04-14 | 2001-09-17 | 윤종용 | 카타디옵트릭 대물렌즈를 구비한 광픽업 |
US5986995A (en) * | 1998-07-06 | 1999-11-16 | Read-Rite Corporation | High NA catadioptric focusing device having flat diffractive surfaces |
-
1999
- 1999-07-29 EP EP99933169A patent/EP1020853A4/en not_active Withdrawn
- 1999-07-29 CN CNB998013153A patent/CN1189877C/zh not_active Expired - Fee Related
- 1999-07-29 WO PCT/JP1999/004089 patent/WO2000008642A1/ja not_active Application Discontinuation
- 1999-07-29 JP JP2000564197A patent/JP4165013B2/ja not_active Expired - Fee Related
- 1999-07-29 KR KR1020007003674A patent/KR100560573B1/ko not_active IP Right Cessation
- 1999-07-29 US US09/509,417 patent/US6256154B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6425113A (en) * | 1987-07-21 | 1989-01-27 | Mark Kk | Finite system large aperture single lens |
JPH08201698A (ja) * | 1995-01-31 | 1996-08-09 | Asahi Optical Co Ltd | 光偏向素子および光情報記録/再生装置 |
EP0747744A1 (en) * | 1995-06-06 | 1996-12-11 | Hughes Missile Systems Company | Single catadioptric lens |
GB2315562A (en) * | 1996-07-22 | 1998-02-04 | Kla Instr Corp | Broad spectrum ultraviolet catadioptric imaging system |
WO1999027532A1 (en) * | 1997-11-22 | 1999-06-03 | Samsung Electronics Co., Ltd. | Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk |
Non-Patent Citations (2)
Title |
---|
NIKKEI ELECTRONICS, no. 718, 15 June 1998 (1998-06-15), pages 48 - 50, XP002923157 * |
See also references of EP1020853A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001194582A (ja) * | 1999-11-30 | 2001-07-19 | Samsung Electronics Co Ltd | 高密度光集束のための対物レンズ及びこれを採用した光ピックアップ装置並びにこれに適した光ディスク |
US6938890B2 (en) | 1999-11-30 | 2005-09-06 | Samsung Electronics Co., Ltd. | Objective lens for high-density optical focusing and an optical disk in an optical pickup |
JP2002131632A (ja) * | 2000-10-19 | 2002-05-09 | Konica Corp | 光学部品及びその製造方法 |
JP2005144561A (ja) * | 2003-11-11 | 2005-06-09 | Seiko Epson Corp | 近接場光プローブ、近接場光の取出し方法並びに近接場光を用いた加工方法 |
JP2009044143A (ja) * | 2007-07-18 | 2009-02-26 | Asml Holding Nv | 光波拡散計測用反射屈折光学システム |
US8107173B2 (en) | 2007-07-18 | 2012-01-31 | Asml Holding N.V. | Catadioptric optical system for scatterometry |
JP2013538375A (ja) * | 2010-09-20 | 2013-10-10 | ネイダーランゼ、オルガニザティー、ボー、トゥーゲパストナトゥールウェテンシャッペルーク、オンダーツォーク、ティーエヌオー | 屈折表面部と反射表面部とを備えた透明なモノリシック構造体を有する光学プローブ |
Also Published As
Publication number | Publication date |
---|---|
KR100560573B1 (ko) | 2006-03-14 |
US6256154B1 (en) | 2001-07-03 |
JP4165013B2 (ja) | 2008-10-15 |
KR20010024425A (ko) | 2001-03-26 |
EP1020853A4 (en) | 2001-02-21 |
CN1275231A (zh) | 2000-11-29 |
EP1020853A1 (en) | 2000-07-19 |
CN1189877C (zh) | 2005-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1986189B1 (en) | Optical pickup apparatus | |
US20060039266A1 (en) | Objective lens, light converging optical system, optical pickup apparatus, and recording/reproducing apparatus | |
US6590851B1 (en) | Optical pickup for recording/reproducing optical discs of multiple thicknesses | |
WO2000008642A1 (en) | Catadioptric lens, optical head, and optical recording/reproducing apparatus | |
US7167317B2 (en) | Objective optical system employing grin lens | |
EP1544652A1 (en) | Object lens for optical pickup device, optical pickup device and optical information recording/reproducing device | |
JP3608333B2 (ja) | 光学ピックアップ及び光学ピックアップ用対物レンズの組み立て方法 | |
US5818809A (en) | Optical system for recording and/or reproducing an optical information recording medium | |
US7656774B2 (en) | Objective lens, optical head, and optical pickup apparatus | |
KR100567190B1 (ko) | 광픽업용 대물 광학계 | |
JP2002092926A (ja) | 光ヘッドおよび光ピックアップ | |
US20010015939A1 (en) | Objective lens for optical pick-up | |
JPH09318873A (ja) | 色収差補正光学系および光ピックアップ | |
JP3425845B2 (ja) | 光情報記録媒体の記録再生用光学系および対物レンズ | |
JP4789169B2 (ja) | 色収差補正用光学素子、光学系、光ピックアップ装置及び記録・再生装置 | |
JP2001155369A (ja) | 光情報記録再生装置の光学系 | |
KR100535341B1 (ko) | 광픽업 장치 | |
EP1376186B1 (en) | Objective lens for optical pickup apparatus and recording/reproducing apparatus | |
JP2001083410A (ja) | 対物レンズ及びこの対物レンズを使用するピックアップ装置 | |
JP2003015032A (ja) | 対物レンズ、集光光学系、光ピックアップ装置、及び記録・再生装置 | |
JP4240769B2 (ja) | 光ピックアップレンズ | |
JP4258389B2 (ja) | 光ピックアップ装置 | |
JP2001126296A (ja) | 対物レンズ及びピックアップ装置 | |
US20060077791A1 (en) | Objective lens element and optical pickup device provided with its object lens element | |
JP2003303436A (ja) | カップリングレンズ、光ピックアップ装置及び記録・再生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 99801315.3 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN JP KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1999933169 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020007003674 Country of ref document: KR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 09509417 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1999933169 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020007003674 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1020007003674 Country of ref document: KR |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1999933169 Country of ref document: EP |