CA2430348A1 - Versatile method and system for single mode vcsels - Google Patents
Versatile method and system for single mode vcsels Download PDFInfo
- Publication number
- CA2430348A1 CA2430348A1 CA002430348A CA2430348A CA2430348A1 CA 2430348 A1 CA2430348 A1 CA 2430348A1 CA 002430348 A CA002430348 A CA 002430348A CA 2430348 A CA2430348 A CA 2430348A CA 2430348 A1 CA2430348 A1 CA 2430348A1
- Authority
- CA
- Canada
- Prior art keywords
- disposed
- layer
- mirror portion
- vcsel
- equipotential
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 56
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000004065 semiconductor Substances 0.000 claims abstract description 22
- 230000007480 spreading Effects 0.000 claims description 11
- 238000002310 reflectometry Methods 0.000 claims description 10
- 230000005684 electric field Effects 0.000 claims description 6
- 241001101998 Galium Species 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 description 10
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010292 electrical insulation Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
- H01S5/18391—Aperiodic structuring to influence the near- or far-field distribution
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S2301/00—Functional characteristics
- H01S2301/16—Semiconductor lasers with special structural design to influence the modes, e.g. specific multimode
- H01S2301/166—Single transverse or lateral mode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
- H01S5/18311—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement using selective oxidation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
- H01S5/18316—Airgap confined
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18369—Structure of the reflectors, e.g. hybrid mirrors based on dielectric materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18377—Structure of the reflectors, e.g. hybrid mirrors comprising layers of different kind of materials, e.g. combinations of semiconducting with dielectric or metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2059—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion
- H01S5/2063—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion obtained by particle bombardment
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/724,820 | 2000-11-28 | ||
| US09/724,820 US6905900B1 (en) | 2000-11-28 | 2000-11-28 | Versatile method and system for single mode VCSELs |
| PCT/US2001/044385 WO2002045217A2 (en) | 2000-11-28 | 2001-11-26 | Versatile method and system for single mode vcsels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2430348A1 true CA2430348A1 (en) | 2002-06-06 |
Family
ID=24912046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002430348A Abandoned CA2430348A1 (en) | 2000-11-28 | 2001-11-26 | Versatile method and system for single mode vcsels |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US6905900B1 (https=) |
| EP (1) | EP1354376A2 (https=) |
| JP (1) | JP2004529487A (https=) |
| KR (1) | KR20030060961A (https=) |
| CA (1) | CA2430348A1 (https=) |
| TW (1) | TW512562B (https=) |
| WO (1) | WO2002045217A2 (https=) |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6904072B2 (en) * | 2001-12-28 | 2005-06-07 | Finisar Corporation | Vertical cavity surface emitting laser having a gain guide aperture interior to an oxide confinement layer |
| KR100475858B1 (ko) * | 2002-04-01 | 2005-03-18 | 주식회사 테라스테이트 | 수직공진 표면 발광레이저 |
| JP3729263B2 (ja) * | 2002-09-25 | 2005-12-21 | セイコーエプソン株式会社 | 面発光型半導体レーザおよびその製造方法、光モジュール、光伝達装置 |
| US6813293B2 (en) * | 2002-11-21 | 2004-11-02 | Finisar Corporation | Long wavelength VCSEL with tunnel junction, and implant |
| JP2004288674A (ja) * | 2003-03-19 | 2004-10-14 | Fuji Xerox Co Ltd | 面発光型半導体レーザおよびそれを用いた光通信システム |
| JP3838218B2 (ja) * | 2003-05-19 | 2006-10-25 | ソニー株式会社 | 面発光型半導体レーザ素子及びその製造方法 |
| US7372886B2 (en) * | 2004-06-07 | 2008-05-13 | Avago Technologies Fiber Ip Pte Ltd | High thermal conductivity vertical cavity surface emitting laser (VCSEL) |
| US7795623B2 (en) | 2004-06-30 | 2010-09-14 | Cree, Inc. | Light emitting devices having current reducing structures and methods of forming light emitting devices having current reducing structures |
| US20060002442A1 (en) | 2004-06-30 | 2006-01-05 | Kevin Haberern | Light emitting devices having current blocking structures and methods of fabricating light emitting devices having current blocking structures |
| KR100624433B1 (ko) * | 2004-08-13 | 2006-09-19 | 삼성전자주식회사 | P형 반도체 탄소 나노튜브 및 그 제조 방법 |
| US7528824B2 (en) * | 2004-09-30 | 2009-05-05 | Microsoft Corporation | Keyboard or other input device using ranging for detection of control piece movement |
| US7860137B2 (en) * | 2004-10-01 | 2010-12-28 | Finisar Corporation | Vertical cavity surface emitting laser with undoped top mirror |
| US7826506B2 (en) * | 2004-10-01 | 2010-11-02 | Finisar Corporation | Vertical cavity surface emitting laser having multiple top-side contacts |
| WO2006039341A2 (en) * | 2004-10-01 | 2006-04-13 | Finisar Corporation | Vertical cavity surface emitting laser having multiple top-side contacts |
| US8815617B2 (en) * | 2004-10-01 | 2014-08-26 | Finisar Corporation | Passivation of VCSEL sidewalls |
| KR100982421B1 (ko) * | 2004-10-14 | 2010-09-15 | 삼성전자주식회사 | 깔대기 형태의 전류주입영역을 구비하는 면발광 고출력레이저 소자 |
| EP1648060B1 (en) * | 2004-10-14 | 2008-07-23 | Samsung Electronics Co.,Ltd. | Funnel structure vertical external cavity surface-emitting laser (VECSEL) |
| US7335920B2 (en) * | 2005-01-24 | 2008-02-26 | Cree, Inc. | LED with current confinement structure and surface roughening |
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| JP4515949B2 (ja) * | 2005-03-31 | 2010-08-04 | 株式会社東芝 | 面型光半導体素子 |
| JP5017804B2 (ja) * | 2005-06-15 | 2012-09-05 | 富士ゼロックス株式会社 | トンネル接合型面発光半導体レーザ装置およびその製造方法 |
| US7268705B2 (en) * | 2005-06-17 | 2007-09-11 | Microsoft Corporation | Input detection based on speckle-modulated laser self-mixing |
| US7557795B2 (en) * | 2005-06-30 | 2009-07-07 | Microsoft Corporation | Input device using laser self-mixing velocimeter |
| JP5376104B2 (ja) * | 2005-07-04 | 2013-12-25 | ソニー株式会社 | 面発光型半導体レーザ |
| EP1919947B1 (en) * | 2005-08-26 | 2013-02-27 | AbbVie Inc. | Therapeutically active alpha-msh analogues |
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| US20070109267A1 (en) * | 2005-11-14 | 2007-05-17 | Microsoft Corporation | Speckle-based two-dimensional motion tracking |
| JP3876918B2 (ja) * | 2005-12-12 | 2007-02-07 | ソニー株式会社 | 面発光型半導体レーザ素子 |
| DE102006034847A1 (de) * | 2006-04-27 | 2007-10-31 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
| US8213474B2 (en) * | 2007-12-21 | 2012-07-03 | Finisar Corporation | Asymmetric DBR pairs combined with periodic and modulation doping to maximize conduction and reflectivity, and minimize absorption |
| US7672350B2 (en) * | 2008-06-30 | 2010-03-02 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Method and device for using optical feedback to overcome bandwidth limitations caused by relaxation oscillation in vertical cavity surface emitting lasers (VCSELs) |
| JP5434201B2 (ja) * | 2009-03-23 | 2014-03-05 | ソニー株式会社 | 半導体レーザ |
| JP5590829B2 (ja) * | 2009-07-03 | 2014-09-17 | キヤノン株式会社 | 面発光レーザ、面発光レーザアレイ及び画像形成装置 |
| WO2011008216A1 (en) | 2009-07-17 | 2011-01-20 | Hewlett-Packard Development Company, L.P. | Non-periodic grating reflectors with focusing power and methods for fabricatting the same |
| JP5409221B2 (ja) * | 2009-09-10 | 2014-02-05 | キヤノン株式会社 | 面発光レーザの製造方法および面発光レーザアレイの製造方法 |
| EP2480917A4 (en) | 2009-09-23 | 2013-05-29 | Hewlett Packard Development Co | OPTICAL DEVICES BASED ON PIGGING GRIDS |
| JP5532239B2 (ja) * | 2009-11-26 | 2014-06-25 | 株式会社リコー | 面発光レーザ素子、面発光レーザアレイ、光走査装置及び画像形成装置 |
| JP2011124314A (ja) * | 2009-12-09 | 2011-06-23 | Fuji Xerox Co Ltd | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
| JP5515722B2 (ja) * | 2009-12-22 | 2014-06-11 | 富士ゼロックス株式会社 | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
| US8842363B2 (en) | 2010-01-29 | 2014-09-23 | Hewlett-Packard Development Company, L.P. | Dynamically varying an optical characteristic of light by a sub-wavelength grating |
| WO2011093885A1 (en) | 2010-01-29 | 2011-08-04 | Hewlett-Packard Development Company L.P. | Vertical-cavity surface-emitting lasers with non-periodic gratings |
| WO2011093893A1 (en) | 2010-01-29 | 2011-08-04 | Hewlett-Packard Development Company, L.P. | Optical devices based on non-periodic sub-wavelength gratings |
| JP2012009727A (ja) * | 2010-06-28 | 2012-01-12 | Fuji Xerox Co Ltd | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
| WO2012057788A1 (en) | 2010-10-29 | 2012-05-03 | Hewlett-Packard Development Company, L.P. | Small-mode-volume, vertical-cavity, surface-emitting laser |
| JP6015220B2 (ja) | 2012-08-07 | 2016-10-26 | 富士ゼロックス株式会社 | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
| DE102013100818B4 (de) * | 2013-01-28 | 2023-07-27 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
| JP6135559B2 (ja) * | 2014-03-10 | 2017-05-31 | ソニー株式会社 | 半導体発光素子および半導体発光素子の製造方法ならびに半導体素子 |
| US11456575B2 (en) * | 2017-08-28 | 2022-09-27 | Lumentum Operations Llc | Distributed oxide lens for beam shaping |
| US11942762B2 (en) | 2018-04-04 | 2024-03-26 | Suzhou Lekin Semiconductor Co., Ltd. | Surface-emitting laser device and light emitting device including the same |
| KR102569495B1 (ko) * | 2018-10-19 | 2023-08-23 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 표면 광방출 레이저 소자 및 이를 포함하는 발광장치 |
| KR102515674B1 (ko) * | 2018-04-04 | 2023-03-30 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 표면 광방출 레이저 소자 및 이를 포함하는 발광장치 |
| TWI794380B (zh) * | 2018-12-24 | 2023-03-01 | 晶元光電股份有限公司 | 半導體元件 |
| EP4020724A4 (en) * | 2019-11-06 | 2023-09-13 | Sony Semiconductor Solutions Corporation | SURFACE EMITTING LASER DEVICE |
| KR102800331B1 (ko) | 2019-12-11 | 2025-04-28 | 삼성전자주식회사 | 디스플레이 장치 및 그 제조 방법 |
| US11876350B2 (en) | 2020-11-13 | 2024-01-16 | Ii-Vi Delaware, Inc. | Multi-wavelength VCSEL array and method of fabrication |
| US12362541B2 (en) * | 2021-04-30 | 2025-07-15 | Lumentum Operations Llc | Methods for incorporating a control structure within a vertical cavity surface emitting laser device cavity |
| US20230121340A1 (en) * | 2021-10-14 | 2023-04-20 | Visual Photonics Epitaxy Co., Ltd. | Vertical cavity surface emitting laser diode (vcsel) with small divergence angle |
| CN115377797A (zh) * | 2022-09-05 | 2022-11-22 | 深圳博升光电科技有限公司 | 垂直腔面发射激光器及具有其的电子设备、制造方法 |
| CN118380858A (zh) * | 2023-12-08 | 2024-07-23 | 常州纵慧芯光半导体科技有限公司 | 增透型垂直腔面发射激光器及芯片 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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- 2001-11-26 KR KR10-2003-7007204A patent/KR20030060961A/ko not_active Ceased
- 2001-11-26 EP EP01987106A patent/EP1354376A2/en not_active Withdrawn
- 2001-11-27 TW TW090129309A patent/TW512562B/zh not_active IP Right Cessation
-
2003
- 2003-07-10 US US10/617,290 patent/US7221691B2/en not_active Expired - Lifetime
- 2003-07-11 US US10/617,892 patent/US7308011B2/en not_active Expired - Fee Related
-
2004
- 2004-05-20 US US10/850,086 patent/US20040213311A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002045217A3 (en) | 2003-08-14 |
| WO2002045217A2 (en) | 2002-06-06 |
| US20040066820A1 (en) | 2004-04-08 |
| JP2004529487A (ja) | 2004-09-24 |
| TW512562B (en) | 2002-12-01 |
| US7221691B2 (en) | 2007-05-22 |
| EP1354376A2 (en) | 2003-10-22 |
| US7308011B2 (en) | 2007-12-11 |
| US6905900B1 (en) | 2005-06-14 |
| US20040213311A1 (en) | 2004-10-28 |
| US20040066819A1 (en) | 2004-04-08 |
| KR20030060961A (ko) | 2003-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |