JP6859257B2 - 内部ボイド及び熱伝導経路調整ビアを備える面外熱流束構成で動作する3d集積化熱電発電機 - Google Patents
内部ボイド及び熱伝導経路調整ビアを備える面外熱流束構成で動作する3d集積化熱電発電機 Download PDFInfo
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/82—Connection of interconnections
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/85—Thermoelectric active materials
- H10N10/851—Thermoelectric active materials comprising inorganic compositions
- H10N10/8556—Thermoelectric active materials comprising inorganic compositions comprising compounds containing germanium or silicon
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Description
1.他の関連する例が、以下に報告されている。
2.Huesgen,T.;Wois,P.;Kockmann,N.Design and fabrication of MEMS thermoelectric generators with high temperature efficiency.Sens.Actuators A 2008,145−146,423−429。
3.Xie,J.;Lee,C.;Feng,H.Design,fabrication and characterization of CMOS MEMS−based thermoelectric power generators.J.Micromech.Syst.2010,19,317−324。
4.Wang,Z.;Leonov,V.;Fiorini,P.;van Hoof,C.Realization of a wearable miniaturized thermoelectric generator for human body applications.Sens.Actuators A 2009,156,95−102。
5.Wang,Z.;Fiorini,P.;Leonov,V.;van Hoof,C.Characterization and optimization of polycrystalline Si70%Ge30% for surface micromachined thermopiles in human body applications.J.Micromech.Microeng.2009,doi:10.1088/0960−1317/19/9/094011。
6.Su,J.;Leonov,V.;Goedbloed,M.;van Andel,Y.;de Nooijer,M.C.;Elfrink,R.;Wang,Z.;Vullers,R.J.A batch process micromachined thermoelectric energy harvester: Fabrication and characterization.J.Micromech.Microeng.2010,doi:10.1088/0960−1317/20/10/104005。
7.Yang,S.M.;Lee,T.;Jeng,C.A.Development of a thermoelectric energy harvester with thermal isolation cavity by standard CMOS process.Sens.Actuators A 2009,153,244−250。
8.Kao,P.−H.;Shih,P.−J.;Dai,C.−L.;Liu,M.−C.Fabrication and characterization of CMOS−MEMS thermoelectric micro generators.Sensors 2010,10,1315−1325。
9.Wang,Z.;van Andel,Y.;Jambunathan,M.;Leonov,V.;Elfrink,R.;Vullers,J.M.Characterization of a bulk−micromachined membraneless in−plane thermopile.J.Electron.Mater.2011,40,499−503.13。
10.Patent US 7,875,791 B1 “Method for manufacturing a thermopile on a membrane and a membrane−less thermopile,the thermopile thus obtained and a thermoelectric generator comprising such thermopiles” Vladimir Leonov,Paolo Fiorini,Chris Van Hoof(2011)。
11.Miniaturized thermopile on a membrane are also described by A.Jacquot,W.L Liu,G.Chen,,J.P Flrial,A.Dauscher,B.Lenoir,in “Fabrication and Modeling of an in−plane thermoelectric micro−generator”,Proceedings ICT’02.21st International Conference on Thermoelectrics,p.561−564(2002)。
Claims (10)
- Zデバイス構造体を有する基板ウェハ(1)上にある、面外熱流束構成の集積化熱電発電機であって、
半導体結晶から形成される前記基板ウェハ(1)と、
前記基板ウェハ上に堆積された山頂と谷底によりZデバイス構造体を形成する材料の層と、
平坦な発電機に対して直交する方向に流れる熱の一部を電気に変換するために有用である、多結晶半導体の熱伝導率よりも低い熱伝導率を持つ材料の山部(3)の傾斜した対向する側面の上に延びる、前記多結晶半導体の画定された薄膜ラインの、交互にpドープ及びnドープされたセグメント(4、5)の並列端を継合している山頂ジャンクション金属接点(7)及び谷底ジャンクション金属接点(6)と、
を有し、
前記半導体結晶から形成されたカバーウェハ(1’)が、フリップチップ整合接合技法によって前記基板ウェハ(1)の前記Zデバイス構造体の山頂ジャンクション金属接点(7)と接合され、前記基板ウェハ(1)と前記カバーウェハ(1’)との接合面に平行な中間的な平面に対して面対称の関係となる鏡面様幾何形状の構成をなす別のZデバイス構造体を有し、前記基板ウェハのZデバイス構造体が、前記カバーウェハ(1’)の前記別のZデバイス構造体と共にボイド空間(V)を画定し、
前記基板ウェハ(1)及び前記カバーウェハ(1’)が、前記山頂および谷底金属ジャンクション接点(6、6’、7、7’)と幾何学的射影上対応している、前記基板ウェハと前記カバーウェハとの前記半導体結晶の厚さを通る、一定間隔を置かれたビアホール(11、12)のアレイを有し、
熱伝導金属充填材(13)が、前記谷底ジャンクション金属接点(6)と幾何学的射影上対応している前記基板ウェハのビアホール(11)内にあり、また、接合金属パッド(10)または谷底ジャンクション金属接点(6’)と幾何学的射影上対応している前記カバーウェハ(1’)のビアホール(12)内にあり、
前記カバーウェハ(1’)が、前記基板ウェハ(1)と同一の鏡面様幾何形状を有し、前記カバーウェハの山頂ジャンクション金属接点(7’)が、前記カバーウェハ及び前記基板ウェハをともにフリップチップ整合接合したときに、前記基板ウェハの各山頂ジャンクション金属接点(7)と電気接続する、集積化熱電発電機。 - 両表面上の誘電体膜(2i)と、金属充填ビアホール(13)に対応して前記両表面上の前記誘電体膜(2i)上に画定された接合金属パッド(10)とを有するダミーインターポーザウェハ(I)をさらに備え、それによって、接合したときに、前記各山頂ジャンクション金属接点(7、7’)が前記ダミーインターポーザウェハ(I)の各接合金属パッド(10)と永久的に接合することを特徴とする、請求項1に記載の集積化熱電発電機。
- 一方の表面上の誘電体膜(2i)及びその金属充填ビアホールに対応して画定された接合金属パッド(10)と、他方の表面上に画定され、前記ダミーインターポーザウェハ(I)及び前記カバーウェハ(1’)の前に前記基板ウェハ上に積層された、前記基板ウェハ(1)に形成された前記Zデバイス構造体と、ある平面に対して、面対称の関係にある鏡面様幾何形状の構成をなす別のZデバイス構造体とを有する、1つ以上のインターポーザウェハ(I1、I2)をさらに備え、それによって、すべての前記カバーウェハ、前記インターポーザウェハ及び前記基板ウェハ(1、I1、I2、I3、1’)の山頂接点(7、7’)が、金属充填ビアホール(13)に対応した各接合金属パッド(10)と接合するようにされる、請求項2に記載の集積化熱電発電機。
- 前記ボイド空間(V)が、真空下にある、請求項1〜3のいずれかに記載の集積化熱電発電機。
- 前記基板ウェハ(1)及び前記カバーウェハ(1’)が、薄膜化シリコンウェハである、請求項1〜4のいずれかに記載の集積化熱電発電機。
- 前記基板ウェハ(1)及び前記カバーウェハ(1’)が、熱圧着金属−金属接合、プラズマ接合、ベンゾシクロブテン接合、ポリイミド接合、金属間化合物接合、固液相互拡散(SLID)接合、共晶接合、アノード接合またはマイクロバンプスタッキングの群に属する技法を用いて整合して接合される、請求項1〜5のいずれかに記載の集積化熱電発電機。
- 整合接合が、チップ対チップ、チップ対ウェハもしくはウェハ対ウェハモードで、またはチップ・オン・ウエハ・オン・サブストレートもしくはチップ・オン・チップ・オン・サブストレートモードで実行される、請求項6に記載の集積化熱電発電機。
- 前記山部(3)が、シリコン酸化物、シリコン窒化物、熱伝導耐性が向上した付着酸化物、フォノニック材料のナノメッシュ構造体からなる群から選択される材料である、請求項1に記載の集積化熱電発電機。
- 前記山頂及び谷底ジャンクション金属接点(6、7)と前記多結晶半導体との電気接触が、TiSi2、WSi2、MoSi2、PtSi2及びCoSi2からなる群に属するケイ化物の膜を備える界面多層を介して起こる、請求項1に記載の集積化熱電発電機。
- 前記山頂及び谷底ジャンクション金属接点(6、7)と前記多結晶半導体との電気接触が、W及びTiからなる群に属する耐火金属の中間膜と窒化チタンの膜とを備える界面多層を介して起こる、請求項1に記載の集積化熱電発電機。
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-
2015
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- 2015-09-24 WO PCT/IB2015/057353 patent/WO2016055892A1/en active Application Filing
- 2015-09-24 CN CN201580052847.7A patent/CN107078202B/zh not_active Expired - Fee Related
- 2015-09-24 EP EP15779017.1A patent/EP3204967B1/en not_active Not-in-force
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CN107078202A (zh) | 2017-08-18 |
JP2017531922A (ja) | 2017-10-26 |
WO2016055892A1 (en) | 2016-04-14 |
US20170200879A1 (en) | 2017-07-13 |
EP3204967A1 (en) | 2017-08-16 |
US9997691B2 (en) | 2018-06-12 |
EP3204967B1 (en) | 2018-07-25 |
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