JP5956604B2 - 発光ダイオード - Google Patents
発光ダイオード Download PDFInfo
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- JP5956604B2 JP5956604B2 JP2014547101A JP2014547101A JP5956604B2 JP 5956604 B2 JP5956604 B2 JP 5956604B2 JP 2014547101 A JP2014547101 A JP 2014547101A JP 2014547101 A JP2014547101 A JP 2014547101A JP 5956604 B2 JP5956604 B2 JP 5956604B2
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- semiconductor
- gallium nitride
- emitting diode
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- 239000004065 semiconductor Substances 0.000 claims description 353
- 239000000758 substrate Substances 0.000 claims description 317
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical class [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 173
- 238000005530 etching Methods 0.000 claims description 44
- 239000010410 layer Substances 0.000 description 696
- 229910002601 GaN Inorganic materials 0.000 description 150
- 238000000034 method Methods 0.000 description 72
- 238000004519 manufacturing process Methods 0.000 description 69
- 229910052751 metal Inorganic materials 0.000 description 64
- 239000002184 metal Substances 0.000 description 64
- 150000001875 compounds Chemical class 0.000 description 27
- 150000004767 nitrides Chemical class 0.000 description 24
- 229920002120 photoresistant polymer Polymers 0.000 description 20
- 239000012535 impurity Substances 0.000 description 16
- 229910052594 sapphire Inorganic materials 0.000 description 16
- 239000010980 sapphire Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000945 filler Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 229910052733 gallium Inorganic materials 0.000 description 11
- 238000000059 patterning Methods 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 10
- 229910052738 indium Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000010287 polarization Effects 0.000 description 8
- 238000003486 chemical etching Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 239000002356 single layer Substances 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000011800 void material Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 5
- -1 gallium nitride compound Chemical class 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 4
- 238000001451 molecular beam epitaxy Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910015363 Au—Sn Inorganic materials 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0075—Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/025—Physical imperfections, e.g. particular concentration or distribution of impurities
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
- H01L33/42—Transparent materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
- H01L33/382—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape the electrode extending partially in or entirely through the semiconductor body
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
- Weting (AREA)
Description
Claims (5)
- 導電性基板と、
前記導電性基板上に位置する導電性のボンディング層と、
前記ボンディング層上に位置し、エッチングストップパターンおよび当該エッチングストップパターンのオープン領域に埋め込まれているオーミック反射パターンを含むエッチングストップ層と、
前記エッチングストップ層上に位置し、窒化ガリウム系列のp型半導体層、窒化ガリウム系列の活性層及び窒化ガリウム系列のn型半導体層を含み、前記p型半導体層が前記オーミック反射パターンとオーミックコンタクトする半導体積層構造体と、
前記半導体積層構造体上に位置し、凹凸パターンを有する透明酸化物層と、を含み、
前記半導体積層構造体は、5×106/cm2以下の転位密度を有し、
前記エッチングストップパターンの少なくとも一部は、前記半導体積層構造体の外側に配置され、
前記オーミック反射パターンは、前記エッチングストップパターンのうち前記半導体積層構造体の外側に配置された部分の外側にも配置されている、発光ダイオード。 - 前記エッチングストップパターンは絶縁層である、請求項1に記載の発光ダイオード。
- 前記透明酸化物層上に位置し、前記n型半導体層に電気的に接続するn電極パッドをさらに含む、請求項1または請求項2に記載の発光ダイオード。
- 前記エッチングストップパターンは絶縁層であり、
前記エッチングストップパターンの一部は、前記n電極パッドの直下方向に配置されている、請求項3に記載の発光ダイオード。 - 前記活性層は半極性半導体層である、請求項1乃至請求項4のいずれかに記載の発光ダイオード。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110134130A KR20130067515A (ko) | 2011-12-14 | 2011-12-14 | 반도체 소자 제조 방법 |
KR10-2011-0134130 | 2011-12-14 | ||
KR1020110135513A KR101899479B1 (ko) | 2011-12-15 | 2011-12-15 | 반극성 발광 다이오드 및 그것을 제조하는 방법 |
KR10-2011-0135513 | 2011-12-15 | ||
KR1020120026879A KR20130104921A (ko) | 2012-03-16 | 2012-03-16 | 고효율 발광 다이오드 및 그것을 제조하는 방법 |
KR10-2012-0026879 | 2012-03-16 | ||
KR1020120026948A KR101899474B1 (ko) | 2012-03-16 | 2012-03-16 | 고효율 발광 다이오드 제조 방법 |
KR10-2012-0026948 | 2012-03-16 | ||
PCT/KR2012/010852 WO2013089459A1 (en) | 2011-12-14 | 2012-12-13 | Semiconductor device and method of fabricating the same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015153856A Division JP6025933B2 (ja) | 2011-12-14 | 2015-08-04 | 発光ダイオードの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015500573A JP2015500573A (ja) | 2015-01-05 |
JP5956604B2 true JP5956604B2 (ja) | 2016-07-27 |
Family
ID=48612829
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2014547101A Active JP5956604B2 (ja) | 2011-12-14 | 2012-12-13 | 発光ダイオード |
JP2015153856A Expired - Fee Related JP6025933B2 (ja) | 2011-12-14 | 2015-08-04 | 発光ダイオードの製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015153856A Expired - Fee Related JP6025933B2 (ja) | 2011-12-14 | 2015-08-04 | 発光ダイオードの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140339566A1 (ja) |
JP (2) | JP5956604B2 (ja) |
CN (1) | CN104025319B (ja) |
WO (1) | WO2013089459A1 (ja) |
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CN105821435B (zh) | 2010-01-27 | 2018-10-16 | 耶鲁大学 | 用于GaN装置的基于导电性的选择性蚀刻和其应用 |
JP2015177030A (ja) * | 2014-03-14 | 2015-10-05 | スタンレー電気株式会社 | 発光装置 |
US11095096B2 (en) | 2014-04-16 | 2021-08-17 | Yale University | Method for a GaN vertical microcavity surface emitting laser (VCSEL) |
DE102014106505A1 (de) * | 2014-05-08 | 2015-11-12 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung einer Halbleiterschichtenfolge |
KR20160037060A (ko) * | 2014-09-26 | 2016-04-05 | 서울바이오시스 주식회사 | 발광소자 및 그 제조 방법 |
WO2016054232A1 (en) * | 2014-09-30 | 2016-04-07 | Yale University | A METHOD FOR GaN VERTICAL MICROCAVITY SURFACE EMITTING LASER (VCSEL) |
TWM506378U (zh) * | 2014-10-15 | 2015-08-01 | Paragon Sc Lighting Tech Co | 用於提供照明的發光結構及用於承載發光二極體的電路基板 |
US11018231B2 (en) | 2014-12-01 | 2021-05-25 | Yale University | Method to make buried, highly conductive p-type III-nitride layers |
KR20160084570A (ko) * | 2015-01-05 | 2016-07-14 | 에스케이하이닉스 주식회사 | 반도체 메모리 소자의 제조방법 |
JP6961225B2 (ja) | 2015-05-19 | 2021-11-05 | イェール ユニバーシティーYale University | 格子整合クラッド層を有する高い閉じ込め係数のiii窒化物端面発光レーザーダイオードに関する方法およびデバイス |
JP6570312B2 (ja) * | 2015-05-22 | 2019-09-04 | スタンレー電気株式会社 | 半導体発光素子及び半導体発光装置 |
US11527519B2 (en) * | 2017-11-27 | 2022-12-13 | Seoul Viosys Co., Ltd. | LED unit for display and display apparatus having the same |
CN108258006B (zh) * | 2017-12-21 | 2021-04-06 | 厦门市三安光电科技有限公司 | 微发光元件 |
US11380765B2 (en) * | 2018-03-02 | 2022-07-05 | Sciocs Company Limited | Structure and intermediate structure |
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KR102575569B1 (ko) * | 2018-08-13 | 2023-09-07 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 반도체 소자 |
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US8008683B2 (en) * | 2008-10-22 | 2011-08-30 | Samsung Led Co., Ltd. | Semiconductor light emitting device |
EP2430652B1 (en) * | 2009-05-12 | 2019-11-20 | The Board of Trustees of the University of Illionis | Printed assemblies of ultrathin, microscale inorganic light emitting diodes for deformable and semitransparent displays |
JP5381439B2 (ja) * | 2009-07-15 | 2014-01-08 | 住友電気工業株式会社 | Iii族窒化物半導体光素子 |
WO2011027679A1 (ja) * | 2009-09-07 | 2011-03-10 | エルシード株式会社 | 半導体発光素子 |
KR101072034B1 (ko) * | 2009-10-15 | 2011-10-10 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
KR101114047B1 (ko) * | 2009-10-22 | 2012-03-09 | 엘지이노텍 주식회사 | 발광소자 및 그 제조방법 |
TW201118946A (en) * | 2009-11-24 | 2011-06-01 | Chun-Yen Chang | Method for manufacturing free-standing substrate and free-standing light-emitting device |
JP5423390B2 (ja) * | 2009-12-26 | 2014-02-19 | 豊田合成株式会社 | Iii族窒化物系化合物半導体素子及びその製造方法 |
TWI470832B (zh) * | 2010-03-08 | 2015-01-21 | Lg Innotek Co Ltd | 發光裝置 |
EP2387081B1 (en) * | 2010-05-11 | 2015-09-30 | Samsung Electronics Co., Ltd. | Semiconductor light emitting device and method for fabricating the same |
KR101252032B1 (ko) * | 2010-07-08 | 2013-04-10 | 삼성전자주식회사 | 반도체 발광소자 및 이의 제조방법 |
JP5582054B2 (ja) * | 2011-02-09 | 2014-09-03 | 豊田合成株式会社 | 半導体発光素子 |
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2012
- 2012-12-13 WO PCT/KR2012/010852 patent/WO2013089459A1/en active Application Filing
- 2012-12-13 US US14/364,281 patent/US20140339566A1/en not_active Abandoned
- 2012-12-13 CN CN201280062150.4A patent/CN104025319B/zh active Active
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CN104025319B (zh) | 2016-12-14 |
JP2015500573A (ja) | 2015-01-05 |
CN104025319A (zh) | 2014-09-03 |
WO2013089459A1 (en) | 2013-06-20 |
US20140339566A1 (en) | 2014-11-20 |
JP6025933B2 (ja) | 2016-11-16 |
JP2016006896A (ja) | 2016-01-14 |
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