JP4570071B2 - 熱電変換モジュール及びその製造方法 - Google Patents
熱電変換モジュール及びその製造方法 Download PDFInfo
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- JP4570071B2 JP4570071B2 JP2004135385A JP2004135385A JP4570071B2 JP 4570071 B2 JP4570071 B2 JP 4570071B2 JP 2004135385 A JP2004135385 A JP 2004135385A JP 2004135385 A JP2004135385 A JP 2004135385A JP 4570071 B2 JP4570071 B2 JP 4570071B2
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- Prior art keywords
- thermoelectric conversion
- conversion element
- fesi
- silver
- iron silicide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006243 chemical reaction Methods 0.000 title claims description 165
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 76
- 238000005219 brazing Methods 0.000 claims description 74
- 239000010410 layer Substances 0.000 claims description 56
- 239000010949 copper Substances 0.000 claims description 54
- 229910052709 silver Inorganic materials 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 51
- 239000004332 silver Substances 0.000 claims description 47
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 238000002844 melting Methods 0.000 claims description 31
- 230000008018 melting Effects 0.000 claims description 31
- JRACIMOSEUMYIP-UHFFFAOYSA-N bis($l^{2}-silanylidene)iron Chemical compound [Si]=[Fe]=[Si] JRACIMOSEUMYIP-UHFFFAOYSA-N 0.000 claims description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 238000005245 sintering Methods 0.000 claims description 23
- 229910052750 molybdenum Inorganic materials 0.000 claims description 18
- 229910052721 tungsten Inorganic materials 0.000 claims description 17
- 229910017052 cobalt Inorganic materials 0.000 claims description 14
- 239000010941 cobalt Substances 0.000 claims description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 14
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 12
- 239000011733 molybdenum Substances 0.000 claims description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 239000010937 tungsten Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 239000007772 electrode material Substances 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 43
- 229910052742 iron Inorganic materials 0.000 description 25
- 238000009792 diffusion process Methods 0.000 description 19
- 229910000679 solder Inorganic materials 0.000 description 19
- 229910021332 silicide Inorganic materials 0.000 description 17
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 13
- 230000004075 alteration Effects 0.000 description 10
- 229910001369 Brass Inorganic materials 0.000 description 7
- 239000010951 brass Substances 0.000 description 7
- 238000010248 power generation Methods 0.000 description 7
- 229910000905 alloy phase Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000004453 electron probe microanalysis Methods 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000003405 preventing effect Effects 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 238000005211 surface analysis Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 229910017944 Ag—Cu Inorganic materials 0.000 description 2
- 229910005329 FeSi 2 Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 229910002909 Bi-Te Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Description
2 電極
3 電気絶縁層
4 冷却ダクト
5 加熱ダクト
6 コンプライアントパッド
Claims (2)
- P型珪化鉄(FeSi2)の熱電変換素子と、N型珪化鉄(FeSi2)の熱電変換素子と、少なくとも表層が銅、モリブデン、コバルト又はタングステンである電極材とを備える熱電変換モジュールにおいて、
前記熱電変換素子の少なくとも高温側端部が、銀からなる介在層を介して前記電極材とロウ材により接合されているとともに、前記ロウ材の融点が600〜820℃であり、
前記介在層は、前記熱電変換素子と銀粉との積層体を加圧焼結して形成され20〜1000μmの厚さを有することを特徴とする熱電変換モジュール。 - (1)成形金型の型穴内にP型珪化鉄(FeSi2)の熱電変換素子及びN型珪化鉄(FeSi2)の熱電変換素子を挿入した後、銀粉をその上に充填して積層する方法、
(2)成形金型の型穴内に銀粉を充填した後、その上にP型珪化鉄(FeSi2)の熱電変換素子及びN型珪化鉄(FeSi2)の熱電変換素子を挿入して積層する方法、又は
(3)成形金型の型穴内に銀粉を充填した後、その上にP型珪化鉄(FeSi2)の熱電変換素子及びN型珪化鉄(FeSi2)の熱電変換素子を挿入し、更にその上に銀粉を充填して積層する方法
のいずれかにより、熱電変換素子と銀粉との積層体を得、前記積層体を、成形圧力10〜60MPaで加圧すると同時に、温度600〜800℃で焼結し、得られた焼結体の銀層形成端面を、少なくとも表層が銅、モリブデン、コバルト又はタングステンである電極材に、融点が600〜820℃のロウ材を用い、825℃以下の温度でロウ接し、
前記P型珪化鉄(FeSi 2 )の熱電変換素子及びN型珪化鉄(FeSi 2 )の熱電変換素子の両端の少なくとも一方側に積層する銀粉の量が、その後の加圧焼結により形成される銀からなる介在層の厚さが20〜1000μmとなるよう調整されていることを特徴とする熱電変換モジュールの製造方法。
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JP2004135385A JP4570071B2 (ja) | 2004-04-30 | 2004-04-30 | 熱電変換モジュール及びその製造方法 |
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JP2004135385A JP4570071B2 (ja) | 2004-04-30 | 2004-04-30 | 熱電変換モジュール及びその製造方法 |
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JP2005317834A JP2005317834A (ja) | 2005-11-10 |
JP4570071B2 true JP4570071B2 (ja) | 2010-10-27 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012017556A1 (de) | 2011-09-08 | 2013-03-14 | Hitachi Chemical Co., Ltd. | Thermoelektrisches konvertermodul und herstellungsverfahren dafür |
JP6507745B2 (ja) * | 2015-03-18 | 2019-05-08 | 三菱マテリアル株式会社 | 熱電変換モジュール |
DE102018104716B3 (de) | 2018-03-01 | 2019-03-28 | Isabellenhütte Heusler Gmbh & Co. Kg | Thermoelektrisches Modul zur Stromerzeugung und zugehöriges Herstellungsverfahren |
NL2020545B1 (en) * | 2018-03-07 | 2019-09-13 | Rgs Dev B V | Thermoelectric conversion device |
JP7242999B2 (ja) * | 2018-03-16 | 2023-03-22 | 三菱マテリアル株式会社 | 熱電変換素子 |
DE102018204887B3 (de) * | 2018-03-29 | 2019-09-05 | Danfoss Silicon Power Gmbh | Verfahren zum Montieren einer Halbleiterleistungsmodulkomponente und eines Halbleiterleistungsmoduls mit einer derartigen Modulkomponente |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07142768A (ja) * | 1993-11-16 | 1995-06-02 | Sumitomo Special Metals Co Ltd | 熱電変換素子 |
JPH09172204A (ja) * | 1995-12-19 | 1997-06-30 | Ngk Insulators Ltd | 熱電変換装置およびその製造方法 |
JPH11121813A (ja) * | 1997-10-14 | 1999-04-30 | Kubota Corp | 熱電素子及びその製造方法 |
JP2001028462A (ja) * | 1999-07-13 | 2001-01-30 | Yamaha Corp | 熱電素子及び熱電素子の製造方法 |
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- 2004-04-30 JP JP2004135385A patent/JP4570071B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07142768A (ja) * | 1993-11-16 | 1995-06-02 | Sumitomo Special Metals Co Ltd | 熱電変換素子 |
JPH09172204A (ja) * | 1995-12-19 | 1997-06-30 | Ngk Insulators Ltd | 熱電変換装置およびその製造方法 |
JPH11121813A (ja) * | 1997-10-14 | 1999-04-30 | Kubota Corp | 熱電素子及びその製造方法 |
JP2001028462A (ja) * | 1999-07-13 | 2001-01-30 | Yamaha Corp | 熱電素子及び熱電素子の製造方法 |
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