JP2016532318A - 機械的に変形された金属粒子 - Google Patents
機械的に変形された金属粒子 Download PDFInfo
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- 239000002923 metal particle Substances 0.000 title claims abstract description 185
- 239000002245 particle Substances 0.000 claims abstract description 108
- 239000000758 substrate Substances 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims abstract description 57
- 238000000151 deposition Methods 0.000 claims abstract description 52
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims description 112
- 239000002184 metal Substances 0.000 claims description 112
- 239000000843 powder Substances 0.000 claims description 70
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 10
- 238000007747 plating Methods 0.000 claims description 6
- 239000010949 copper Substances 0.000 description 20
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
- 238000010304 firing Methods 0.000 description 18
- 229920005591 polysilicon Polymers 0.000 description 18
- 235000012431 wafers Nutrition 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
Description
[項目1]
基板と、
上記基板内、又は上記基板の上方に配置された半導体領域と、
上記半導体領域上に配置され、機械的に変形された金属粒子を含む導電性コンタクトとを含む、太陽電池。
[項目2]
上記導電性コンタクトは、上記機械的に変形された金属粒子上にめっきされた金属を更に含む、項目1に記載の太陽電池。
[項目3]
上記機械的に変形された金属粒子は、結合剤を含まない機械的に変形された金属粉末粒子を含む、項目1に記載の太陽電池。
[項目4]
上記機械的に変形された金属粉末粒子は、機械的に変形された金属粉末粒子の第1層及び第2層を含む、項目3に記載の太陽電池。
[項目5]
上記機械的に変形された金属粉末粒子の上記第1層は、上記機械的に変形された金属粉末粒子の上記第2層とは異なる金属を含む、項目4に記載の太陽電池。
[項目6]
上記機械的に変形された金属粒子は、追加的な結合剤を含む機械的に変形された金属粒子を含む、項目1に記載の太陽電池。
[項目7]
太陽電池の製造方法であって、
金属粒子を堆積させる工程と、
上記金属粒子を機械的に変形させる工程と、
上記太陽電池のために、上記機械的に変形された金属粒子を含む導電性コンタクトを形成する工程とを含む、方法。
[項目8]
上記金属粒子を堆積させる工程は、シリコン基板上に金属粉末を堆積させる工程を含む、項目7に記載の方法。
[項目9]
上記金属粉末を堆積させる工程は、成形型によって上記金属粉末を堆積させる工程を含む、項目8に記載の方法。
[項目10]
上記成形型によって上記金属粉末を堆積させる工程は、少なくとも部分的に変形可能な成形型によって上記金属粉末を堆積させる工程を含む、項目9に記載の方法。
[項目11]
上記金属粒子を機械的に変形させる工程は、パターン付き圧縮装置を使用して上記金属粉末を機械的に変形させる工程を含む、項目8に記載の方法。
[項目12]
上記金属粉末を堆積させる工程は、少なくとも2つの異なる種類の金属粉末を堆積させる工程を含む、項目8に記載の方法。
[項目13]
上記機械的に変形された金属粒子を加熱する工程を更に含む、項目8に記載の方法。
[項目14]
上記金属粒子を堆積させる工程は、上記シリコンを既定のパターンで上記シリコン基板上に堆積させる工程を含む、項目7に記載の方法。
[項目15]
上記金属粒子を堆積させる工程は、上記シリコン基板上に金属ペーストを堆積させる工程を含む、項目7に記載の方法。
[項目16]
上記金属粒子を機械的に変形させる工程は、上記金属粒子をバニシング又は圧縮する工程を含む、項目7に記載の方法。
[項目17]
上記金属粒子を機械的に変形させた後に、上記金属粒子を加熱する工程を更に含む、項目7に記載の方法。
[項目18]
上記金属粒子を機械的に変形させた後に、
追加的な金属粒子を堆積させる工程と、
上記追加的な金属粒子を機械的に変形させる工程とを更に含み、上記導電性コンタクトはまた、上記追加的な、機械的に変形された金属粒子を含む、項目7に記載の方法。
[項目19]
金属を上記機械的に変形された粒子にめっきする工程を更に含み、上記導電性コンタクトはまた、上記めっきされた金属を含む、項目7に記載の方法。
[項目20]
基板と、
上記基板内、又は上記基板の上方に配置された半導体領域と、
上記半導体領域上に配置され、機械的に変形された導電性粒子を含む導電性コンタクトとを含む、太陽電池。
Claims (20)
- 基板と、
前記基板内、又は前記基板の上方に配置された半導体領域と、
前記半導体領域上に配置され、機械的に変形された金属粒子を含む導電性コンタクトとを含む、太陽電池。 - 前記導電性コンタクトは、前記機械的に変形された金属粒子上にめっきされた金属を更に含む、請求項1に記載の太陽電池。
- 前記機械的に変形された金属粒子は、結合剤を含まない機械的に変形された金属粉末粒子を含む、請求項1に記載の太陽電池。
- 前記機械的に変形された金属粉末粒子は、機械的に変形された金属粉末粒子の第1層及び第2層を含む、請求項3に記載の太陽電池。
- 前記機械的に変形された金属粉末粒子の前記第1層は、前記機械的に変形された金属粉末粒子の前記第2層とは異なる金属を含む、請求項4に記載の太陽電池。
- 前記機械的に変形された金属粒子は、追加的な結合剤を含む機械的に変形された金属粒子を含む、請求項1に記載の太陽電池。
- 太陽電池の製造方法であって、
金属粒子を堆積させる工程と、
前記金属粒子を機械的に変形させる工程と、
前記太陽電池のために、前記機械的に変形された金属粒子を含む導電性コンタクトを形成する工程とを含む、方法。 - 前記金属粒子を堆積させる工程は、シリコン基板上に金属粉末を堆積させる工程を含む、請求項7に記載の方法。
- 前記金属粉末を堆積させる工程は、成形型によって前記金属粉末を堆積させる工程を含む、請求項8に記載の方法。
- 前記成形型によって前記金属粉末を堆積させる工程は、少なくとも部分的に変形可能な成形型によって前記金属粉末を堆積させる工程を含む、請求項9に記載の方法。
- 前記金属粒子を機械的に変形させる工程は、パターン付き圧縮装置を使用して前記金属粉末を機械的に変形させる工程を含む、請求項8に記載の方法。
- 前記金属粉末を堆積させる工程は、少なくとも2つの異なる種類の金属粉末を堆積させる工程を含む、請求項8に記載の方法。
- 前記機械的に変形された金属粒子を加熱する工程を更に含む、請求項8に記載の方法。
- 前記金属粒子を堆積させる工程は、前記シリコンを既定のパターンで前記シリコン基板上に堆積させる工程を含む、請求項7に記載の方法。
- 前記金属粒子を堆積させる工程は、前記シリコン基板上に金属ペーストを堆積させる工程を含む、請求項7に記載の方法。
- 前記金属粒子を機械的に変形させる工程は、前記金属粒子をバニシング又は圧縮する工程を含む、請求項7に記載の方法。
- 前記金属粒子を機械的に変形させた後に、前記金属粒子を加熱する工程を更に含む、請求項7に記載の方法。
- 前記金属粒子を機械的に変形させた後に、
追加的な金属粒子を堆積させる工程と、
前記追加的な金属粒子を機械的に変形させる工程とを更に含み、前記導電性コンタクトはまた、前記追加的な、機械的に変形された金属粒子を含む、請求項7に記載の方法。 - 金属を前記機械的に変形された粒子にめっきする工程を更に含み、前記導電性コンタクトはまた、前記めっきされた金属を含む、請求項7に記載の方法。
- 基板と、
前記基板内、又は前記基板の上方に配置された半導体領域と、
前記半導体領域上に配置され、機械的に変形された導電性粒子を含む導電性コンタクトとを含む、太陽電池。
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