TW201027025A - A system for heat conduction between two connectable members - Google Patents
A system for heat conduction between two connectable members Download PDFInfo
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- TW201027025A TW201027025A TW098134542A TW98134542A TW201027025A TW 201027025 A TW201027025 A TW 201027025A TW 098134542 A TW098134542 A TW 098134542A TW 98134542 A TW98134542 A TW 98134542A TW 201027025 A TW201027025 A TW 201027025A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
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- 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
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
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- 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
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3736—Metallic materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- 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
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 body packages
- H01L33/64—Heat extraction or cooling elements
Description
201027025 六、發明說明: 【發明所屬之技術領域1 本發明係關於一種用於可拆卸地將第一構件連接至第二 構件之系統,當該等兩個構件相互連接時,該第一構件包 含一由第二構件之部分所圍繞之部分,該等部分具有用於 彼此接觸的熱傳導材料之表面,以在該等兩構件之間傳遞 熱量。 【先前技術】 該系統可用於任何可拆卸的連接,其中熱必須在兩個互 相連接構件之間進行傳遞,但特定言之,該系統可用於可 拆卸地連接一 LED燈與一針對該LED燈之插座。術語 「LED燈」在本說明書中係用於描述包含一或多個發光二 極體(LED)及一底座部分或插頭的燈,其中該底座部分可 與一插座連接以固定該LED燈。 US-A-2006/0050514中揭示了該系統。此公開案描述一 種具有習知白熾燈形狀之LED燈。該燈包含一封閉LED之 梨形燈泡。該燈之底座部分具有一有螺紋之金屬外表面。 可將該底座部分擰入相應的插座中,其為具有帶螺紋的金 屬内表面之燈座。由LED及其驅動電路所產生的熱經由該 燈的底座部分傳遞至該插座之金屬内表面。 【發明内容】 LED通常藉由焊接而附接至一印刷電路板(PCB)上,以 使該LED底座部分之金屬表面與該可吸收LED所產生的熱 量之PCB之部分接觸。然而,存在可將LED燈可拆卸連接 143473.doc 201027025 至pcb或另-LED燈之承載器的需求,以使該㈣燈可替 換為例如具有另-種色彩之LED燈或具有另_種光強度之 ^燈。尤其係在強光LED之情況下,熱傳能力必須相對 較高’此需要相對較大之接觸面積,或led燈之底座部分 與連接至該LED燈的插座之間的堅固接觸。
本發明之-目的係提供-種用於可拆卸地連接第一構件 與第二構件之系統’該第一構件包含一當該等兩個構件彼 此連接時由該第二構件之一部分所圍繞之部分,該等部分 具有用於以高度熱傳導方式進行相互接觸之金屬表面,以 在該等兩個構件之間傳遞熱量。 本發明之另一目的係提供一種用於可拆卸地連接LED燈 與插座之系、統,致使該㈣燈之底座部分的金屬表面與相 應的該插座之金屬表面進行高度熱傳導接觸。 為實現此等目的之一個或全部,該第一構件之被圍繞部 分之材料的熱膨脹係數係大於該第二構件之圍繞部分之材 料的熱膨脹係數,以使當該等部分受熱升溫時,該等金屬 表面係彼此麼合。藉此,該等兩個構件間的熱傳導顯著增 加。相互接觸表面之部分可為該等金屬表面,但較佳地, 該等兩個部分之所有的接觸表面係由金屬製成。該等兩個 表面較佳具有-儘可能大的相互接觸面積’其係藉由使該 第一與第二構件之接觸表面相互對應且緊貼地配合而增 加。該等表面的形狀可呈矩形 '正方形、圓柱體或一條^ 物線之旋轉體。在該等兩個構件之間出現的間隔/空腔應 儘可能地抵消,例如使表面係平滑或表面係由軟材料製成 143473.doc 201027025 的兩個構件,且因此極適於順應不規則表面。該軟材料係 例如來自MAJR之熱管理箔材料6003系列,其具有1〇±2之 蕭式A硬度、0.13 mm至15 mm的厚度範圍 '及22 w/mK^ 熱傳導率,且可應用於_5(TC至+22(rc的溫度範圍内。類 似金屬之軟材料係:熔點為約7(rc之伍氏合金(w〇〇ds metal)、熔點為 58°C 之InCuBi-合金、鎵、銦、IndaU〇y 1E、 Indalloy 117。此等金屬化合物之熔點皆在3(Γ(:至2〇〇1之 範圍内,且由於其等之軟度,其等皆適用於外加表面結 構’且因此可確保良好的熱接觸。 Μ 該等兩個構件之材料可係任何金屬或金屬合金、金屬膏 或金屬合金膏(如Galinstan),包括具有適當熱膨脹係數之 金屬基質複合材料。舉例而言’第一構件之被圍繞部分之 材料係銘’其於20°C下具有約23xl〇,K之線性熱膨脹係 數且第一構件之圍繞部分之材料係銅,其於2〇 下具有 約17Χ1(Γ6/°Κ之線性熱膨脹係數。該等兩種材料之線性熱 膨脹係數之差異於2(rc下較佳係大於3χ1〇·ό/(5κ,於加t下 更佳係大於6xlG>K’以進-步促進該第—構件與第二構_ 牛之間的緊推接觸。該等表面較佳係由金屬製成,因為金 屬比較谷易操作’易於獲得’且同時可使該等兩個構件之 間建立電接觸。 或者,諸如矽橡膠、c〇〇lp〇ly⑧、經矽含浸之碳化矽、 或經SlC、Α】2〇3、或BN填充之EPDM(乙烯-丙烯-二烯三元 共聚物)之非金屬性材料可適合作為熱傳導材料。 所有熱傳導材料較佳具有至少1 W/mK的熱傳導率’以 143473.doc -6 - 201027025 促進其易於冷卻,熱傳導率更佳為至少2.5 W/mK至最高為 !〇 W/mK或者甚至更高’以使其等極適於會產生相對多的 熱量之高功率應用。 / 一較佳實施财,該第―構件之被圍繞部分包含-錐 卜表面且β亥第—構件之圍繞部分包含一相應的錐开)内 表面’當該等構件彼此連接時,此等表面將互相接觸。錐 形意指該第-構件之被圍繞部分及該第二構件之圍繞部分
的橫截面尺寸在將被圍繞部分插人圍繞部分中之方向 所減小。 兩個表面較佳具有相互匹配的圓錐形或錐台形,以使該 等兩個構件可以在相對於彼此之任何旋轉位置相互連接。 在:較佳實施例中,兩個錐形表面之頂角相對較小,以使 。等兩個。Ρ刀之一者由於該等兩部分之錐形表面間的摩擦 而留。在另-者内。為此,頂角較佳係在5。與45。之間,更 1 〇 15之間。頂角係錐形表面上之兩條直線間的最大 角。 。底座部分可僅藉由接觸表面之摩擦而固定在插座中。 在—較佳實施例中,存在使該第-構件與第二構件 互連接之可拆卸固定裝置。該等固定裝置可係卡口 〔螺紋連接,但在__較佳實施例中,該等可拆卸固定 二的:3所°胃的搭鎖連接’其包含一附接至該等構件中之 合=性元件,在該等兩個構件相互連接時,該彈性元件 /另—構件之相應元件唾合。此為—簡單的連接裝置, 其使當兩個部分之表面為圓錐形時,該等兩個構件在相對 143473.doc 201027025 於彼此之不同的旋轉位置可相互連接。此簡化了使兩個構 件相互連接的操作。 該可拆卸固定裝置較佳包含一附接至其中一個構件(較 佳係第一構件),且與另一構件之相應元件嚙合的彈性元 件。 在一較佳實施例中’其中一個構件為led燈。即使在熱 膨脹係數之差異相對較小的情況下,只要該等構件之部分 受熱升溫’則在兩個金屬表面之間就會存在強烈的熱傳導 接觸。因此,LED燈之底座部分及連接該底座部分之插座 可相對較小。舉例而言,該被圍繞部分可由主要包含銅及 鋁之合金製成,且該圍繞部分可由主要包含銅之合金製 成’以使熱膨脹係數間的適當差異得以實現。 在一較佳實施例中,包含被圍繞部分之第一構件係led 燈’且包含圍繞部分之第二構件係一用於該led燈之插 座。該LED燈可具有一形成插頭之底座部分,且該插座可 具有與該插頭相對應之孔’以將該插頭插入該插座之孔 内。 在該LED燈與該插座之間除熱傳導接觸之外,亦存在導 電性接觸以為LED燈供應電力。電接觸元件可在熱傳導接 觸表面被整合,此係闡述於US-A-2006/0050514之系統中 之情況。在本發明之一較佳實施例中,該led燈包含兩電 個接觸元件,當該LED燈與該插座相互連接時,其等與該 插座之兩個對應的電接觸元件相接觸。 本發明亦係關於一種LED燈,其包括一具有金屬外表面 143473.doc -8 - 201027025 之底座部分,其係用於與一插座之相應的金屬内表面接 觸,以使熱量自該LED燈傳送至該插座,該金屬外表面係 呈錐形’並且該外表面之橫截面尺寸沿遠離該LEd燈之 led的方向逐漸減小。 本發明另外係關於一種插座,其包含一金屬内表面,其 係用於與led燈底座部分之相應的金屬外表面接觸,該金 屬内表面係呈錐形,且該内表面之橫截面尺寸在該LED燈 插入該插座的方向上逐漸減小。 ❿ 【實施方式】 現將藉由描述一 LED燈及用於該LED燈之插座的實施例 進一步闡明本發明’其中參照包含示意圖之附圖。此等圖 為示意代表圖,其僅顯示有助於闡明所述實施例之部件。 圖1及圖2顯示LED燈1及作為LED燈1之燈座的插座2。 LED燈1包含一 LED3及一底座部分或插頭4。該插頭4係圓 錐形且由紹製成。插頭4之圓錐形外表面與插座2之相應的 攀 圓錐形内表面5相匹配(見圖2)。該插座係由銅製成且具有 一含有周向槽7之塑膠環6 »當插頭4插入插座2時、,該插頭 4之圓錐形外表面與該插座2之圓錐形内表面5接觸。當插 頭4受熱升溫時,由於插頭4之材料與插座2之材料的熱膨 脹係數的差異’插頭4的膨脹大於插座2的膨脹。 LED燈1包含兩個彈性元件8,該等元件8可與插座2之塑 膠環6之槽7相接合,以使插頭4保留在插座2中。圖丨顯示 相對於插座2而處於務微拔出位置之led燈1,且圖2顯示 LED燈1之進一步拔出位置。 H3473.doc 201027025 圖3至5係LED燈1之插頭4與插座2之剖視圖。圖3顯示插 頭4完全插入插座2 ’且圖4顯示插頭4自插座2中稍微拔出 之位置’其與圖1相對應。在插頭4之頂部有一具有兩個彈 性元件8之金屬構件9。構件9係焊接於插頭4上,且在其頂 側承載有LED3,該LED3未在圖3至5中顯示。 用於對LED供應電流之接觸元件未在圖中顯示。此等接 觸元件可於兩個彈性元件8及塑膠環6之中經整合。 插座2可藉由焊錫或螺旋接合而附接至一印刷電路板 (PCB)上,以使插座2之較低金屬表面與可吸收led所產生 之熱量的PCB之部分接觸。LED所產生的熱係經由插頭4及 插座2之材料而傳遞至該pcB。 雖然本發明已闡述於附圖及以上描述中,但應將該閣釋 及描述視為說明性或示例性,而非限制性;本發明不受所 揭示之實施例限制。在相互不同的附屬項中舉出的某些方 法之少數事實並不係指使用此等方法的組合不具優點。不 應將申請專利範圍内的任何參考符號視為限制本發明 圍。 【圖式簡單說明】 圖1係LED燈在其插座中之透視圖; 圖2係將LED燈自插座中拔出之圖; 圖3係該LED燈的插頭及插座之剖視圖. 圖4顯不自插座中務微拔出之插頭; 圖5係該插頭之剖視圖;及 圖6係該插座之剖視圖。 143473.doc 201027025 【主要元件符號說明】 1 LED 燈 2 插座
3 LED 4 插頭 5 内表面 6 塑膠環 7 周向槽
8 彈性元件 9 金屬構件
143473.doc
Claims (1)
- 201027025 七申請專利範園: h :種用於可拆卸地將第-構件⑴連接至第二構件⑺之 ’、統》亥第-構件(1)包含一當該等兩個構件(】,2)相互連 ^ 2由該第二構件(2)之一部分(5)圍繞之部分(4),該等 邛分(4,5)具有至少部分由熱傳導材料製成之表面,該等 表:係用於相互接觸,以在該等兩個構件(1,2)之間傳遞 熱里,其特徵在於:該第-構件⑴之該被圍繞部分⑷ <㈣的熱膨脹係數大於該第二構件⑺之㈣繞部分 髎(5)之材料的熱膨脹係數,以使當該等部分(4,5)受熱升溫 時’該等表面係彼此壓合。 2·如請求項id統,其特徵在於:該等表面完 傳導材料製成。 3·如請求項!或2之系統,其特徵在於:該熱傳導材料包括 金屬。 4.如請求項!或2之系統,其特徵在於:該第一構件⑴之被 φ ®繞部分⑷包含-錐形外表面,且”二構件(2)之該 圍繞部分(5)包含-相應的錐形内表面,該等表面在該等 構件(1、2)相互連接時彼此接觸。 5·如請求項4之系統,其特徵在於該等表面係呈圓錐形。 6. 如請求項4之系統,其特徵在於該等錐形表面之頂角係 在5。與45。之間,較佳在1〇。與15。之間。 7. 如請求項!或2之系統,其特徵在於存在用於保持該第一 構件⑴與該第二構件⑺彼此連接之可拆卸固 (7,8) 〇 衣 I 143473.doc 201027025 8. 9. 10. 11. 12. :。月求項7之系統,其特徵在於:該可拆卸固定襞置包 含一附接至該等構件中之—者⑴並與該另—構件⑺之 相應tl件(7)嚙合之彈性元件(8)。 如凊求項1或2之系統,其特徵在於:該等構件中之一者 為 LED燈(1)。 如旁长項9之系統,其特徵在於:該第一構件為LED燈 (1) ’且該第二構件包含一用於該LED燈(1)之插座(2)。 一種用於如請求項1〇之系統中之LED燈’其包含一具有 金屬外表面之底座部分(4),該金屬外表面係用於與一插❹ 座(2)之相應的金屬内表面(5)接觸,以將熱量自該led燈 (1)傳遞至該插座(2),其特徵在於:該金屬外表面係呈 錐形,且該外表面之橫截面尺寸在遠離該LED燈(”之 LED(3)的方向上減小。 一種用於如請求項1〇之系統中的插座,其包含一用於與 一 LED燈(1)之底座部分(4)的相應金屬外表面接觸之金屬 内表面(5),其特徵在於:該金屬内表面(5)係呈錐形, 且該内表面之橫載面尺寸在將該LED燈(1)插入該插座(2) _ 之方向上減少。 143473.doc -2-
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CN102187149B (zh) | 2014-11-05 |
RU2524400C2 (ru) | 2014-07-27 |
JP2012505508A (ja) | 2012-03-01 |
WO2010044011A1 (en) | 2010-04-22 |
BRPI0914048B1 (pt) | 2019-04-09 |
BRPI0914048A2 (pt) | 2015-11-03 |
US8536768B2 (en) | 2013-09-17 |
EP2337997A1 (en) | 2011-06-29 |
EP2337997B1 (en) | 2013-12-11 |
JP5411938B2 (ja) | 2014-02-12 |
KR101633615B1 (ko) | 2016-06-27 |
RU2011119452A (ru) | 2012-11-27 |
KR20110080164A (ko) | 2011-07-12 |
CN102187149A (zh) | 2011-09-14 |
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