KR20080021844A - 파장가변 필터 - Google Patents
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- KR20080021844A KR20080021844A KR1020087004024A KR20087004024A KR20080021844A KR 20080021844 A KR20080021844 A KR 20080021844A KR 1020087004024 A KR1020087004024 A KR 1020087004024A KR 20087004024 A KR20087004024 A KR 20087004024A KR 20080021844 A KR20080021844 A KR 20080021844A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/355—Non-linear optics characterised by the materials used
- G02F1/3551—Crystals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the arrayed waveguides, e.g. comprising a filled groove in the array section
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12023—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the polarisation dependence, e.g. reduced birefringence
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3136—Digital deflection, i.e. optical switching in an optical waveguide structure of interferometric switch type
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12133—Functions
- G02B2006/12142—Modulator
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12133—Functions
- G02B2006/12145—Switch
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/212—Mach-Zehnder type
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3137—Digital deflection, i.e. optical switching in an optical waveguide structure with intersecting or branching waveguides, e.g. X-switches and Y-junctions
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/365—Non-linear optics in an optical waveguide structure
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/124—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode interdigital
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/50—Phase-only modulation
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (7)
- KTa1 -xNbxO3(0<x<1) 및 K1 - yLiyTa1 -xNbxO3(0<x<1, 0<y<1)로 이루어지는 조성의 결정재료인, 복수의 삼차원 광도파로와, 상기 삼차원 광도파로 상에 설치된 전극으로 이루어지는 어레이(array) 광도파로를 가지는 어레이 광도파로 격자 파장가변 필터로서,상기 삼차원 광도파로의 1개에 대해서, 상기 삼차원 광도파로를 사이에 두고 평행으로 대향하는 2개의 전극이 배치되어 있는 도파로 전기 광학 위상 쉬프터를 가지는 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
- 제1항에 있어서,상기 삼차원 광도파로 상에 1개의 전극이 배치되어 있는 도파로 전기 광학 위상 쉬프터를 가지는 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
- 제1항에 있어서,상기 삼차원 광도파로를 따라 전극의 양극 및 음극이 교대로 배치되어 있는 도파로 전기 광학 위상 쉬프터를 가지는 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
- 적어도 1개의 입력 포트 채널 광도파로와,광로(optical path) 길이가 서로 다른 채널 광도파로로 이루어지는 채널 광도파로 어레이와,적어도 1개의 출력 포트 채널 광도파로와,상기 입력 포트 채널 광도파로 및 상기 채널 광도파로 어레이를 연결하는 제1 슬랩(slab) 광도파로와,상기 출력 포트 채널 광도파로 및 상기 채널 광도파로 어레이를 연결하는 제2 슬랩 광도파로와,상기 채널 광도파로 어레이의 일부로 이루어지고, KTa1 -xNbxO3(0<x<1) 및 K1-yLiyTa1-xNbxO3(0<x<1, 0<y<1)로 이루어지는 조성의 제1 결정재료이고, 코어 두께를 가지는 코어와, 상기 제1 결정재료와는 다른 굴절률을 가지는 KTa1 -xNbxO3(0<x<1) 및 K1 - yLiyTa1 -xNbxO3(0<x<1, 0<y<1)로 이루어지는 조성의 제2 결정재료인 클래드를 구비한 삼차원 광도파로와, 상기 삼차원 광도파로를 사이에 두고 평행으로 대향하는 2개의 전극을 구비하고, 상기 코어는, 상기 코어의 하면이 상기 클래드의 하면에 대해서 제1 거리이고, 상기 코어의 상면이 상기 클래드의 상면에 대해서 제2 거리가 되도록, 상기 클래드에 매립되고, 상기 클래드는 0≤제1 거리, 제2 거리≤3×코어 두께의 범위의 클래드 두께를 가지는 도파로 전기 광학 위상 쉬프터를 구비하는 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
- 적어도 1개의 입력 포트 채널 광도파로와,광로(optical path) 길이가 서로 다른 채널 광도파로로 이루어지는 채널 광도파로 어레이와,적어도 1개의 출력 포트 채널 광도파로와,상기 입력 포트 채널 광도파로 및 상기 채널 광도파로 어레이를 연결하는 제1 슬랩(slab) 광도파로와,상기 출력 포트 채널 광도파로 및 상기 채널 광도파로 어레이를 연결하는 제2 슬랩 광도파로와,KTa1 -xNbxO3(0<x<1) 및 K1 - yLiyTa1 -xNbxO3(0<x<1, 0<y<1)로 이루어지는 조성의 제1 결정재료이고, 코어 폭을 가지는 코어와, 상기 제1 결정재료와는 다른 굴절률을 가지는 KTa1 -xNbxO3(0<x<1) 및 K1 - yLiyTa1 -xNbxO3(0<x<1, 0<y<1)로 이루어지는 조성의 제2 결정재료인 클래드를 구비한 삼차원 광도파로와, 상기 삼차원 광도파로를 사이에 두고 평행으로 대향하는 2개의 전극을 구비하고, 상기 코어는, 상기 코어의 상면이 상기 클래드의 상면에 대해서 제1 거리로 되도록, 상기 클래드에 매립되고, 상기 클래드는 0≤제1 거리≤3×코어 폭의 범위의 클래드 두께를 가지는 도파로 전기 광학 위상 쉬프터를 구비하는 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
- 제1항 내지 제5항 중 어느 한 항에 있어서,상기 KTa1 - xNbxO3 또는 K1 - yLiyTa1 - xNbxO3의 온도를 상기 KTa1 - xNbxO3 또는 K1 -yLiyTa1-xNbxO3에 대한 정방정으로부터 입방정으로의 상전이 온도 근방으로 제어하는 온도 콘트롤러를 더 구비하는 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 전극에 의한 전계 인가 방향은 상기 삼차원 광도파로에 대해서 소정의 결정축 방향인 것을 특징으로 하는 어레이 광도파로 격자 파장가변 필터.
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2003-00075105 | 2003-03-19 | ||
JP2003075105 | 2003-03-19 | ||
JPJP-P-2003-00077142 | 2003-03-20 | ||
JP2003077142 | 2003-03-20 | ||
JP2003275521 | 2003-07-16 | ||
JPJP-P-2003-00275521 | 2003-07-16 | ||
JPJP-P-2003-00305023 | 2003-08-28 | ||
JP2003305023 | 2003-08-28 | ||
JPJP-P-2003-00409658 | 2003-12-08 | ||
JP2003409658 | 2003-12-08 | ||
JP2003412951 | 2003-12-11 | ||
JPJP-P-2003-00412951 | 2003-12-11 | ||
PCT/JP2004/003665 WO2004083953A1 (ja) | 2003-03-19 | 2004-03-18 | 光スイッチ、光変調器および波長可変フィルタ |
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KR1020057008570A Division KR100876503B1 (ko) | 2003-03-19 | 2004-03-18 | 광스위치 |
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KR20080021844A true KR20080021844A (ko) | 2008-03-07 |
KR100888297B1 KR100888297B1 (ko) | 2009-03-11 |
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KR1020057008570A KR100876503B1 (ko) | 2003-03-19 | 2004-03-18 | 광스위치 |
KR1020087004023A KR100886303B1 (ko) | 2003-03-19 | 2004-03-18 | 광강도변조기 |
KR1020087004022A KR100888299B1 (ko) | 2003-03-19 | 2004-03-18 | 광스위치 |
KR1020087004024A KR100888297B1 (ko) | 2003-03-19 | 2004-03-18 | 파장가변 필터 |
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KR1020057008570A KR100876503B1 (ko) | 2003-03-19 | 2004-03-18 | 광스위치 |
KR1020087004023A KR100886303B1 (ko) | 2003-03-19 | 2004-03-18 | 광강도변조기 |
KR1020087004022A KR100888299B1 (ko) | 2003-03-19 | 2004-03-18 | 광스위치 |
Country Status (6)
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US (4) | US7492975B2 (ko) |
EP (2) | EP1605303B1 (ko) |
JP (4) | JP4313798B2 (ko) |
KR (4) | KR100876503B1 (ko) |
CN (1) | CN100410796C (ko) |
WO (1) | WO2004083953A1 (ko) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006154145A (ja) * | 2004-11-26 | 2006-06-15 | Fujitsu Ltd | 光学素子及び光スイッチ |
JP4494182B2 (ja) * | 2004-12-07 | 2010-06-30 | 日本電信電話株式会社 | 光強度変調器 |
JP2006221111A (ja) * | 2005-02-14 | 2006-08-24 | Nippon Telegr & Teleph Corp <Ntt> | マッハツェンダー型光素子およびその駆動方法 |
GB2441233A (en) * | 2005-03-18 | 2008-02-27 | Fujitsu Ltd | Optical device |
CN102385176B (zh) | 2005-06-20 | 2016-03-09 | 日本电信电话株式会社 | 电光器件 |
JP4771067B2 (ja) * | 2005-12-01 | 2011-09-14 | 独立行政法人情報通信研究機構 | 光干渉による光スイッチシステム |
JP2007212787A (ja) * | 2006-02-09 | 2007-08-23 | Ricoh Co Ltd | 光制御素子、光スイッチングユニットおよび光変調器 |
US8374469B2 (en) * | 2006-02-09 | 2013-02-12 | Nec Corporation | Optical waveguide |
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US7492975B2 (en) | 2009-02-17 |
KR20080021843A (ko) | 2008-03-07 |
JPWO2004083953A1 (ja) | 2006-06-22 |
EP1605303A4 (en) | 2008-01-23 |
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EP2667249B1 (en) | 2018-11-21 |
EP2667249A1 (en) | 2013-11-27 |
KR100886303B1 (ko) | 2009-03-04 |
CN1705908A (zh) | 2005-12-07 |
WO2004083953A1 (ja) | 2004-09-30 |
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