WO2002067033A3 - Module optique - Google Patents

Module optique Download PDF

Info

Publication number
WO2002067033A3
WO2002067033A3 PCT/US2002/005497 US0205497W WO02067033A3 WO 2002067033 A3 WO2002067033 A3 WO 2002067033A3 US 0205497 W US0205497 W US 0205497W WO 02067033 A3 WO02067033 A3 WO 02067033A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical module
optical
module
relative
registration feature
Prior art date
Application number
PCT/US2002/005497
Other languages
English (en)
Other versions
WO2002067033A2 (fr
Inventor
Steven K Case
Gregory S Mowry
Timothy A Skunes
Patrick J Garfield
John T Mcelreath
Craig D Knighton
Gary A Lenz
Mark L Wilson
Original Assignee
Cyberoptics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/789,317 external-priority patent/US6590658B2/en
Priority claimed from US09/789,124 external-priority patent/US6546172B2/en
Priority claimed from US09/789,125 external-priority patent/US6546173B2/en
Priority claimed from US09/789,185 external-priority patent/US6443631B1/en
Priority claimed from US09/920,366 external-priority patent/US6956999B2/en
Priority to AU2002306579A priority Critical patent/AU2002306579A1/en
Priority to GB0319381A priority patent/GB2390174B/en
Application filed by Cyberoptics Corp filed Critical Cyberoptics Corp
Priority to US10/099,920 priority patent/US20020181897A1/en
Priority to US10/098,743 priority patent/US20020168147A1/en
Priority to US10/099,907 priority patent/US20020154870A1/en
Publication of WO2002067033A2 publication Critical patent/WO2002067033A2/fr
Publication of WO2002067033A3 publication Critical patent/WO2002067033A3/fr

Links

Classifications

    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2553—Splicing machines, e.g. optical fibre fusion splicer
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
    • G02B6/3632—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means
    • G02B6/3636—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means the mechanical coupling means being grooves
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4221—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4221—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera
    • G02B6/4224—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera using visual alignment markings, e.g. index methods
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4225—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4226—Positioning means for moving the elements into alignment, e.g. alignment screws, deformation of the mount
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4227—Active alignment methods, e.g. procedures and algorithms
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
    • G02B6/4231—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment with intermediate elements, e.g. rods and balls, between the elements
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • G02B6/4232—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using the surface tension of fluid solder to align the elements, e.g. solder bump techniques
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/3616—Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench
    • G02B6/362—Vacuum holders for optical elements
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
    • G02B6/3648—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures
    • G02B6/3652—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures the additional structures being prepositioning mounting areas, allowing only movement in one dimension, e.g. grooves, trenches or vias in the microbench surface, i.e. self aligning supporting carriers
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3834—Means for centering or aligning the light guide within the ferrule
    • G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/4238—Soldering
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/4239—Adhesive bonding; Encapsulation with polymer material

Abstract

L'invention concerne un module optique (12) destiné à être utilisé dans un dispositif optique (10). Le module (12) comprend un composant optique (14) et un élément (18) de montage de référence. Le composant optique (14) est fixé spatialement par rapport à une fonction (50) d'enregistrement. La fonction (50) d'enregistrement est configurée de manière à être couplée à un élément (20) de montage de référence fixe.
PCT/US2002/005497 2001-02-20 2002-02-20 Module optique WO2002067033A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2002306579A AU2002306579A1 (en) 2001-02-20 2002-02-20 Optical module
GB0319381A GB2390174B (en) 2001-02-20 2002-02-20 Opticle module
US10/099,920 US20020181897A1 (en) 2001-02-20 2002-03-15 Optical module with electrical signal routing
US10/099,907 US20020154870A1 (en) 2001-02-20 2002-03-15 Optical module with heat dissipation
US10/098,743 US20020168147A1 (en) 2001-02-20 2002-03-15 Optical circuit pick and place machine

Applications Claiming Priority (22)

Application Number Priority Date Filing Date Title
US09/789,317 US6590658B2 (en) 2001-02-20 2001-02-20 Optical alignment system
US09/789,125 2001-02-20
US09/789,185 US6443631B1 (en) 2001-02-20 2001-02-20 Optical module with solder bond
US09/789,125 US6546173B2 (en) 2001-02-20 2001-02-20 Optical module
US09/789,317 2001-02-20
US09/789,185 2001-02-20
US09/789,124 2001-02-20
US09/789,124 US6546172B2 (en) 2001-02-20 2001-02-20 Optical device
US27633601P 2001-03-16 2001-03-16
US27633501P 2001-03-16 2001-03-16
US27632301P 2001-03-16 2001-03-16
US09/276,336 2001-03-16
US60/276,323 2001-03-16
US60/276,335 2001-03-16
US28816901P 2001-05-02 2001-05-02
US60/288,169 2001-05-02
US09/920,366 US6956999B2 (en) 2001-02-20 2001-08-01 Optical device
US09/920,366 2001-08-01
US31839901P 2001-09-10 2001-09-10
US60/318,399 2001-09-10
US34011401P 2001-12-14 2001-12-14
US60/340,114 2001-12-14

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10/098,743 Continuation-In-Part US20020168147A1 (en) 2001-02-20 2002-03-15 Optical circuit pick and place machine
US10/099,920 Continuation-In-Part US20020181897A1 (en) 2001-02-20 2002-03-15 Optical module with electrical signal routing
US10/099,907 Continuation-In-Part US20020154870A1 (en) 2001-02-20 2002-03-15 Optical module with heat dissipation

Publications (2)

Publication Number Publication Date
WO2002067033A2 WO2002067033A2 (fr) 2002-08-29
WO2002067033A3 true WO2002067033A3 (fr) 2003-10-30

Family

ID=27582758

Family Applications (4)

Application Number Title Priority Date Filing Date
PCT/US2002/005268 WO2002067032A2 (fr) 2001-02-20 2002-02-20 Systeme d'alignement optique
PCT/US2002/005497 WO2002067033A2 (fr) 2001-02-20 2002-02-20 Module optique
PCT/US2002/005412 WO2002075415A2 (fr) 2001-02-20 2002-02-20 Dispositif optique
PCT/US2002/005498 WO2002067034A2 (fr) 2001-02-20 2002-02-20 Machine de transfert de circuit optique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2002/005268 WO2002067032A2 (fr) 2001-02-20 2002-02-20 Systeme d'alignement optique

Family Applications After (2)

Application Number Title Priority Date Filing Date
PCT/US2002/005412 WO2002075415A2 (fr) 2001-02-20 2002-02-20 Dispositif optique
PCT/US2002/005498 WO2002067034A2 (fr) 2001-02-20 2002-02-20 Machine de transfert de circuit optique

Country Status (4)

Country Link
CN (2) CN1259585C (fr)
AU (2) AU2002306579A1 (fr)
GB (2) GB2390174B (fr)
WO (4) WO2002067032A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007076888A1 (fr) * 2005-12-30 2007-07-12 Fci Dispositif de couplage optique
CN102969644A (zh) * 2011-08-29 2013-03-13 华新丽华股份有限公司 对位结构、激光光源模块及光学对位方法
US9983371B2 (en) * 2016-03-08 2018-05-29 Mellanox Technologies, Ltd. Optoelectronic transducer with integrally mounted thermoelectric cooler
CN114929441A (zh) * 2019-11-12 2022-08-19 光明机器公司 用于机器人组装的模块插入系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0600645A1 (fr) * 1992-11-30 1994-06-08 AT&T Corp. Boîtier optique singulier en ligne
EP0903600A1 (fr) * 1997-09-19 1999-03-24 Nec Corporation Panneau de montage d'un dispositif optique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0600645A1 (fr) * 1992-11-30 1994-06-08 AT&T Corp. Boîtier optique singulier en ligne
EP0903600A1 (fr) * 1997-09-19 1999-03-24 Nec Corporation Panneau de montage d'un dispositif optique

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
KOSHOUBU N ET AL: "ADVANCED FLIP CHIP BONDING TECHNIQUES USING TRANSFERRED MICROSOLDERBUMPS", 1999 PROCEEDINGS 49TH. ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE. ECTC 1999. SAN DIEGO, CA, JUNE 1 - 4, 1999, PROCEEDINGS OF THE ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE, NEW YORK, NY: IEEE, US, 1 June 1999 (1999-06-01), pages 272 - 277, XP000903804, ISBN: 0-7803-5232-7 *
SASAKI J ET AL: "HYBRID INTEGRATED 4*4 OPTICAL MATRIX SWITCH USING SELF-ALIGNED SEMICONDUCTOR OPTICAL AMPLIFIER GATE ARRAYS AND SILICA PLANAR LIGHTWAVE CIRCUIT", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 34, no. 10, 14 May 1998 (1998-05-14), pages 986 - 987, XP000846136, ISSN: 0013-5194 *
TANAKA N ET AL: "3.5 GB/S X 4 CH OPTICAL INTERCONNECTION MODULE FOR ATM SWITCHING SYSTEM", 1997 PROCEEDINGS OF THE 47TH. ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE. SAN JOSE, CA, MAY 18 - 21, 1997, PROCEEDINGS OF THE ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE, NEW YORK, NY: IEEE, US, 18 May 1997 (1997-05-18), pages 210 - 216, XP000803780, ISBN: 0-7803-3858-8 *

Also Published As

Publication number Publication date
WO2002067032A2 (fr) 2002-08-29
GB2387923A (en) 2003-10-29
CN1502054A (zh) 2004-06-02
WO2002067032A3 (fr) 2003-08-21
GB2390174A (en) 2003-12-31
AU2002306580A1 (en) 2002-09-04
CN1493013A (zh) 2004-04-28
GB2387923B (en) 2004-06-02
AU2002306579A1 (en) 2002-09-04
GB2390174B (en) 2004-06-09
CN1259585C (zh) 2006-06-14
CN1220086C (zh) 2005-09-21
GB0319381D0 (en) 2003-09-17
WO2002067034A2 (fr) 2002-08-29
WO2002067033A2 (fr) 2002-08-29
WO2002067034A3 (fr) 2003-10-30
WO2002075415A2 (fr) 2002-09-26
WO2002075415A3 (fr) 2003-08-07
GB0319380D0 (en) 2003-09-17

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