JP5334288B2 - ヒートパイプおよび電子機器 - Google Patents
ヒートパイプおよび電子機器 Download PDFInfo
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- JP5334288B2 JP5334288B2 JP2008228616A JP2008228616A JP5334288B2 JP 5334288 B2 JP5334288 B2 JP 5334288B2 JP 2008228616 A JP2008228616 A JP 2008228616A JP 2008228616 A JP2008228616 A JP 2008228616A JP 5334288 B2 JP5334288 B2 JP 5334288B2
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- heat pipe
- heat
- refrigerant
- vapor diffusion
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- 238000009792 diffusion process Methods 0.000 claims abstract description 136
- 239000003507 refrigerant Substances 0.000 claims description 153
- 238000010438 heat treatment Methods 0.000 claims description 89
- 238000010992 reflux Methods 0.000 claims description 10
- 239000002826 coolant Substances 0.000 abstract description 10
- 238000003475 lamination Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 53
- 238000010586 diagram Methods 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000009834 vaporization Methods 0.000 description 7
- 230000008016 vaporization Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000005304 joining Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
(ヒートパイプの概念説明)
まず、ヒートパイプの概念について説明する。
まず、ヒートパイプの全体構成について図1、2を用いて説明する。
上部板3は、平板状であり、所定の形状、面積を有している。
下部板4は、上部板3と対向して単数又は複数の中間板5を挟む。
中間板5は、単数又は複数の板材である。図3では、ヒートパイプ1は、4枚の中間板5を有している。中間板5は、上部板3と下部板4の間に積層される。
本体部2は、上部板3、下部板4および上部板3と下部板4に挟まれる中間板5とが積層および接合されて形成される。本体部2は、ヒートパイプ1の基体となる部分である。本体部2は、内部空間を有し、内部空間は冷媒を封入する。また、内部空間は、蒸気拡散路6と毛細管流路7とを備える。
次に、蒸気拡散路6および毛細管流路7について説明する。中間板5は、気化した冷媒を平面方向および厚み方向の少なくとも一方に拡散する蒸気拡散路6と、凝縮した冷媒を垂直方向もしくは垂直・平面方向に還流させる毛細管流路7を形成する。
ここで、ヒートパイプ1の製造工程について説明する。
次に、ヒートパイプ1の動作について説明する。
次に、ヒートパイプ1の変形例について説明する。図6は、本発明の実施の形態1におけるヒートパイプの変形例を示す内面図である。
次に実施の形態2について説明する。
実施例1のヒートパイプ40は、第1端部15から第2端部16にかけて、幅が徐々に狭くなる蒸気拡散路6とこれに対応する毛細管流路7(第1端部15から第2端部16にかけて徐々に幅が広くなる毛細管流路7)を備えている。
図1で示したのと同様に、実施例2のヒートパイプ41は、第1端部15から第2端部16にかけて、幅が徐々に広くなる蒸気拡散路6とこれに対応する毛細管流路7(第1端部15から第2端部16にかけて徐々に幅が狭くなる毛細管流路7)を備えている。すなわち、ヒートパイプ41は、第1端部15における幅よりも、第2端部16における幅の方が広い蒸気拡散路6を備えている。
図6で示したのと同様に、実施例3のヒートパイプ42は、第1端部15から第2端部16にかけて、同一幅を有する蒸気拡散路6とこれに対応する毛細管流路7(第1端部15から第2端部16にかけて同一幅である毛細管流路7)を備えている。すなわち、ヒートパイプ42は、第1端部15における幅と第2端部16における幅とが略同一の蒸気拡散路6と毛細管流路7とを備えている。
次の実験条件で実施した。
熱的接合剤:サーマルグリス(アイネックス社製 PA−080)を使用
放熱処理:放熱側は、スポットクーラー(ダイキン社製 クリスプ)により強制空冷
上面温度分布測定:上面温度分布をサーモグラフィ(日本アビオニクス社製 TVS-200)で測定
熱源のヒーター出力:
Case1:1W(=1MW/m2)・・実装される高輝度LEDの発熱量に相当する熱量
Case2:Ts=90℃となる出力
の2通りで実施。
次の実施の形態3について説明する。
次に、実施の形態4について説明する。
2 本体部
3 上部板
4 下部板
5 中間板
6 蒸気拡散路
7 毛細管流路
8 切り欠き部
9 内部貫通孔
10 注入孔
11 冷媒
12 凹部
15 第1端部
16 第2端部
Claims (9)
- 上部板と、
前記上部板と対向する下部板と、
前記上部板と前記下部板との間に積層される単数又は複数の中間板と、
前記上部板、前記下部板および前記中間板の積層によって形成される冷媒を封入可能な本体部と、
気化した前記冷媒を拡散可能な蒸気拡散路と、
凝縮した前記冷媒を還流可能な毛細管流路と、を備え、
前記蒸気拡散路は、前記本体部の第1端部から前記第1端部と対向する第2端部に向けて形成され、
前記蒸気拡散路の第2端部における幅は、前記第1端部における幅よりも広くなるように、前記第1端部から前記第2端部にかけて末広がりである、ヒートパイプ。 - 前記本体部の内部において、前記第1端部では、前記毛細管流路のみが設けられる、請求項1記載のヒートパイプ。
- 前記中間板は、切り欠き部と内部貫通孔を有し、前記切り欠き部は、前記蒸気拡散路を形成し、前記内部貫通孔は、前記毛細管流路を形成する請求項1又は2記載のヒートパイプ。
- 前記中間板は複数であって、前記複数の中間板のそれぞれに設けられた前記内部貫通孔同士は、それぞれの一部のみが重なって、前記内部貫通孔の水平方向の断面積よりも小さい断面積を有する毛細管流路が形成される請求項3記載のヒートパイプ。
- 前記上部板および前記下部板のそれぞれは、前記毛細管流路および前記蒸気拡散路の少なくとも一部と連通する凹部を更に備える請求項1から4のいずれか記載のヒートパイプ。
- 前記蒸気拡散路は、気化した冷媒を平面方向および厚み方向に拡散し、前記毛細管流路は、凝縮した冷媒を垂直もしくは垂直・平面方向に還流させる請求項1から5のいずれか記載のヒートパイプ。
- 前記第1端部に発熱体を実装可能であって、前記発熱体の熱を、前記第1端部から前記第2端部に向けて拡散可能である請求項1から6のいずれか記載のヒートパイプ。
- 前記本体部が、湾曲している、請求項1から7のいずれか記載のヒートパイプ。
- 請求項1から8のいずれか記載のヒートパイプと、
前記第1端部に配置された発熱体と、
前記ヒートパイプおよび前記発熱体を格納する筐体を備える電子機器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008228616A JP5334288B2 (ja) | 2008-09-05 | 2008-09-05 | ヒートパイプおよび電子機器 |
US13/062,561 US20110308772A1 (en) | 2008-09-05 | 2009-09-08 | Heat Pipe And Electronic Device |
KR1020117007870A KR20110103387A (ko) | 2008-09-05 | 2009-09-08 | 히트파이프 및 전자기기 |
CN200980144599.3A CN102203939B (zh) | 2008-09-05 | 2009-09-08 | 热管和电子装置 |
PCT/IB2009/006920 WO2010026486A2 (en) | 2008-09-05 | 2009-09-08 | Heat pipe and electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008228616A JP5334288B2 (ja) | 2008-09-05 | 2008-09-05 | ヒートパイプおよび電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010060243A JP2010060243A (ja) | 2010-03-18 |
JP5334288B2 true JP5334288B2 (ja) | 2013-11-06 |
Family
ID=41648521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008228616A Active JP5334288B2 (ja) | 2008-09-05 | 2008-09-05 | ヒートパイプおよび電子機器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110308772A1 (ja) |
JP (1) | JP5334288B2 (ja) |
KR (1) | KR20110103387A (ja) |
CN (1) | CN102203939B (ja) |
WO (1) | WO2010026486A2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100071880A1 (en) * | 2008-09-22 | 2010-03-25 | Chul-Ju Kim | Evaporator for looped heat pipe system |
JP5666892B2 (ja) * | 2010-12-09 | 2015-02-12 | 古河電気工業株式会社 | 薄型シート状ヒートパイプ |
JP6191561B2 (ja) * | 2014-08-28 | 2017-09-06 | 東芝ホームテクノ株式会社 | シート型ヒートパイプ |
US20160131437A1 (en) * | 2014-11-12 | 2016-05-12 | Asia Vital Components Co., Ltd. | Thin heat pipe structure |
US9713286B2 (en) * | 2015-03-03 | 2017-07-18 | International Business Machines Corporation | Active control for two-phase cooling |
CN112055502B (zh) * | 2019-06-05 | 2022-12-20 | 英业达科技有限公司 | 冷却系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5761037A (en) * | 1996-02-12 | 1998-06-02 | International Business Machines Corporation | Orientation independent evaporator |
US5642776A (en) * | 1996-02-27 | 1997-07-01 | Thermacore, Inc. | Electrically insulated envelope heat pipe |
US7051793B1 (en) * | 1998-04-20 | 2006-05-30 | Jurgen Schulz-Harder | Cooler for electrical components |
KR100294317B1 (ko) * | 1999-06-04 | 2001-06-15 | 이정현 | 초소형 냉각 장치 |
US6843308B1 (en) * | 2000-12-01 | 2005-01-18 | Atmostat Etudes Et Recherches | Heat exchanger device using a two-phase active fluid, and a method of manufacturing such a device |
JP2004060911A (ja) * | 2002-07-25 | 2004-02-26 | Namiki Precision Jewel Co Ltd | ヒートパイプ |
SE0301381D0 (sv) * | 2003-05-12 | 2003-05-12 | Sapa Ab | Extruded heat sink with integrated thermosyphon |
US6899165B1 (en) * | 2004-06-15 | 2005-05-31 | Hua Yin Electric Co., Ltd. | Structure of a heat-pipe cooler |
US7353860B2 (en) * | 2004-06-16 | 2008-04-08 | Intel Corporation | Heat dissipating device with enhanced boiling/condensation structure |
WO2007029359A1 (en) * | 2005-09-01 | 2007-03-15 | Fuchigami Micro Co., Ltd. | Heat pipe and method for manufacturing same |
JP4112602B2 (ja) * | 2005-09-01 | 2008-07-02 | 株式会社渕上ミクロ | ヒートパイプ |
JP2008118357A (ja) * | 2006-11-02 | 2008-05-22 | Sumitomo Electric Ind Ltd | ヒートパイプ内蔵光トランシーバ |
CN101232794B (zh) * | 2007-01-24 | 2011-11-30 | 富准精密工业(深圳)有限公司 | 均热板及散热装置 |
-
2008
- 2008-09-05 JP JP2008228616A patent/JP5334288B2/ja active Active
-
2009
- 2009-09-08 CN CN200980144599.3A patent/CN102203939B/zh not_active Expired - Fee Related
- 2009-09-08 US US13/062,561 patent/US20110308772A1/en not_active Abandoned
- 2009-09-08 WO PCT/IB2009/006920 patent/WO2010026486A2/en active Application Filing
- 2009-09-08 KR KR1020117007870A patent/KR20110103387A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN102203939A (zh) | 2011-09-28 |
JP2010060243A (ja) | 2010-03-18 |
WO2010026486A3 (en) | 2010-06-10 |
KR20110103387A (ko) | 2011-09-20 |
WO2010026486A2 (en) | 2010-03-11 |
CN102203939B (zh) | 2014-07-09 |
US20110308772A1 (en) | 2011-12-22 |
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