JP5571193B2 - 量子井戸型半導体装置 - Google Patents
量子井戸型半導体装置 Download PDFInfo
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- JP5571193B2 JP5571193B2 JP2012537898A JP2012537898A JP5571193B2 JP 5571193 B2 JP5571193 B2 JP 5571193B2 JP 2012537898 A JP2012537898 A JP 2012537898A JP 2012537898 A JP2012537898 A JP 2012537898A JP 5571193 B2 JP5571193 B2 JP 5571193B2
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- 239000004065 semiconductor Substances 0.000 title claims description 94
- 239000000463 material Substances 0.000 claims description 143
- 230000004888 barrier function Effects 0.000 claims description 111
- 238000000034 method Methods 0.000 claims description 50
- 239000000758 substrate Substances 0.000 claims description 44
- 229910052738 indium Inorganic materials 0.000 claims description 10
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 10
- 229910005540 GaP Inorganic materials 0.000 claims description 7
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 7
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 claims description 7
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 claims description 7
- 238000000231 atomic layer deposition Methods 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 22
- 229910052710 silicon Inorganic materials 0.000 description 22
- 239000010703 silicon Substances 0.000 description 22
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 18
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 18
- 229910052732 germanium Inorganic materials 0.000 description 17
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 17
- 239000013078 crystal Substances 0.000 description 15
- 230000005428 wave function Effects 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
- 235000012239 silicon dioxide Nutrition 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- -1 but not limited to Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- 229910000673 Indium arsenide Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000002178 crystalline material Substances 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 3
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66431—Unipolar field-effect transistors with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66446—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET]
- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66666—Vertical transistors
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7782—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET
- H01L29/7783—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET using III-V semiconductor material
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
Description
基板の上部に配置された、量子井戸チャネル領域を有するヘテロ構造を提供するステップと、
前述の量子井戸チャネル領域の上部に、ソースおよびドレイン材料領域を形成するステップと、
前記ソースおよびドレイン材料領域に溝を形成し、ドレイン領域から分離されたソース領域を提供するステップと、
前記溝内の前記ソース領域と前記ドレイン領域の間に、ゲート誘電体層を形成するステップと、
前記溝内の前記ゲート誘電体層の上部に、ゲート電極を形成するステップと、
を有する方法が提供される。
(1)ソースおよびドレイン材料を含む全ての材料が最初に成長し、その後、ソースおよびドレイン材料内に溝がエッチングされ、ゲート電極が収容される。
(2)ソースおよびドレイン成長が簡略化される。再成長がもはや必要ではなくなるからである。量子井戸とドープ源との間で、バリアの除去が可能となり、ドレインが得られる。
(3)処理プロセスの後の方において、高バンドギャップバリア材料および高Kゲート誘電体が成膜され、原子層成膜法(ALD)または金属−有機化学気相成膜法(MO−CVD)により成膜を行うことができる。
(4)ゲートラストフロー法では、ゲート材料に最少の熱量を印加することができ、またはその工程においてより正確な制御が可能となる。この工程は、処理方式のその部分で完了するからである。
Claims (11)
- 量子井戸型半導体装置を形成する方法であって、
基板の上部に配置された、量子井戸チャネル領域を有するヘテロ構造を提供するステップと、
前述の量子井戸チャネル領域の上部に、ソースおよびドレイン材料領域を形成するステップと、
前記ソースおよびドレイン材料領域に溝を形成し、ドレイン領域から分離されたソース領域を提供するステップと、
前記溝内に、バリア層を形成するステップ、および該バリア層を形成するステップの後に、前記溝内の前記ソース領域と前記ドレイン領域の間に、ゲート誘電体層を形成するステップと、
前記溝内の前記ゲート誘電体層の上部に、ゲート電極を形成するステップと、
を有する方法。 - 前記溝を形成するステップは、前記量子井戸チャネル領域の上部表面を露出させるステップを有し、
前記バリア層を形成するステップは、前記量子井戸チャネル領域の前記露出表面に、直接前記バリア層を形成するステップを有することを特徴とする請求項1に記載の方法。 - 前記ソースおよびドレイン材料領域を形成するステップは、前記量子井戸チャネル領域に、直接前記ソースおよびドレイン材料領域を形成するステップを有し、
前記溝を形成するステップは、前記ソースおよびドレイン材料領域の一部のみをエッチングするステップを有し、前記溝の底部において、前記ソースおよびドレイン材料領域の一部が残留し、
前記バリア層を形成するステップは、前記溝の底部において、前記ソースおよびドレイン材料領域の前記一部に、直接前記バリア層を形成するステップを有することを特徴とする請求項1に記載の方法。 - さらに、
前記バリア層を形成するステップの前に、約550℃以上の温度まで、前記ソースおよびドレイン材料領域を加熱するステップを有することを特徴とする請求項1に記載の方法。 - 前記バリア層を形成するステップは、原子層成膜法により、リン化インジウム(InP)、窒化ガリウム(GaN)、およびインジウムガリウムリン(InGaP)からなる群から選定された材料の層を形成するステップを有することを特徴とする請求項1に記載の方法。
- 前記量子井戸チャネル領域は、III-V族材料を有し、
前記ソースおよびドレイン材料領域を形成するステップは、ドープされたIII-V族材料領域を形成するステップを有することを特徴とする請求項1に記載の方法。 - 量子井戸型半導体装置であって、
基板上に配置された、量子井戸チャネル領域を有するヘテロ構造と、
前記量子井戸チャネル領域の上部に配置されたソースおよびドレイン材料領域と、
前記ソースおよびドレイン材料領域に配置され、ソース領域をドレイン領域から分離する溝と、
前記溝内の、前記ソース領域と前記ドレイン領域の間に配置されたバリア層と、
前記溝内の、前記バリア層の上部に配置されたゲート誘電体層と、
前記溝内の、前記ゲート誘電体層の上部に配置されたゲート電極と、
を有する量子井戸型半導体装置。 - 前記溝は、前記量子井戸チャネル領域の上部表面を露出させ、
前記バリア層は、前記量子井戸チャネル領域の露出表面上に、直接配置されることを特徴とする請求項7に記載の量子井戸型半導体装置。 - 前記ソースおよびドレイン材料領域は、前記量子井戸チャネル領域の上に直接配置され、
前記溝は、前記ソースおよびドレイン材料領域の一部にのみ配置され、前記溝の底部において、前記ソースおよびドレイン材料領域の一部が残され、
前記バリア層は、前記溝の底部において、前記ソースおよびドレイン材料領域の前記一部に、直接配置されることを特徴とする請求項7に記載の量子井戸型半導体装置。 - 前記バリア層は、リン化インジウム(InP)、窒化ガリウム(GaN)、およびインジウムガリウムリン(InGaP)からなる群から選定された材料の層を有することを特徴とする請求項7に記載の量子井戸型半導体装置。
- 前記量子井戸チャネル領域は、III-V族材料を含み、
前記ソースおよびドレイン材料領域は、ドープされたIII-V族材料領域を有することを特徴とする請求項7に記載の量子井戸型半導体装置。
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/632,498 | 2009-12-07 | ||
US12/632,498 US8258543B2 (en) | 2009-12-07 | 2009-12-07 | Quantum-well-based semiconductor devices |
PCT/US2010/053218 WO2011071598A2 (en) | 2009-12-07 | 2010-10-19 | Quantum-well-based semiconductor devices |
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Publication Number | Publication Date |
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JP2013509735A JP2013509735A (ja) | 2013-03-14 |
JP5571193B2 true JP5571193B2 (ja) | 2014-08-13 |
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JP2012537898A Expired - Fee Related JP5571193B2 (ja) | 2009-12-07 | 2010-10-19 | 量子井戸型半導体装置 |
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Country | Link |
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US (3) | US8258543B2 (ja) |
EP (1) | EP2510547A4 (ja) |
JP (1) | JP5571193B2 (ja) |
KR (4) | KR101449401B1 (ja) |
CN (2) | CN105226092B (ja) |
HK (2) | HK1175588A1 (ja) |
TW (2) | TWI623042B (ja) |
WO (1) | WO2011071598A2 (ja) |
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Also Published As
Publication number | Publication date |
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WO2011071598A2 (en) | 2011-06-16 |
TW201133645A (en) | 2011-10-01 |
KR20120089355A (ko) | 2012-08-09 |
EP2510547A2 (en) | 2012-10-17 |
CN105226092B (zh) | 2019-08-09 |
TW201523740A (zh) | 2015-06-16 |
TWI469226B (zh) | 2015-01-11 |
KR20140039090A (ko) | 2014-03-31 |
US20130337623A1 (en) | 2013-12-19 |
CN102656695A (zh) | 2012-09-05 |
HK1175588A1 (zh) | 2013-07-05 |
KR20160139057A (ko) | 2016-12-06 |
HK1219572A1 (zh) | 2017-04-07 |
TWI623042B (zh) | 2018-05-01 |
EP2510547A4 (en) | 2015-06-17 |
KR101735763B1 (ko) | 2017-05-29 |
US8536621B2 (en) | 2013-09-17 |
CN102656695B (zh) | 2015-10-21 |
US8748269B2 (en) | 2014-06-10 |
KR101780219B1 (ko) | 2017-09-21 |
CN105226092A (zh) | 2016-01-06 |
KR101449401B1 (ko) | 2014-10-13 |
KR101655953B1 (ko) | 2016-09-08 |
US8258543B2 (en) | 2012-09-04 |
US20120298958A1 (en) | 2012-11-29 |
JP2013509735A (ja) | 2013-03-14 |
US20110133168A1 (en) | 2011-06-09 |
KR20160108585A (ko) | 2016-09-19 |
WO2011071598A3 (en) | 2011-08-18 |
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