JP5280715B2 - 配線形成方法 - Google Patents
配線形成方法 Download PDFInfo
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- JP5280715B2 JP5280715B2 JP2008069974A JP2008069974A JP5280715B2 JP 5280715 B2 JP5280715 B2 JP 5280715B2 JP 2008069974 A JP2008069974 A JP 2008069974A JP 2008069974 A JP2008069974 A JP 2008069974A JP 5280715 B2 JP5280715 B2 JP 5280715B2
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- film
- layer
- wiring
- manganese
- electroless plating
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 18
- 239000010408 film Substances 0.000 claims abstract description 136
- 239000010949 copper Substances 0.000 claims abstract description 94
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910052802 copper Inorganic materials 0.000 claims abstract description 82
- 239000011572 manganese Substances 0.000 claims abstract description 70
- 239000010409 thin film Substances 0.000 claims abstract description 58
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 53
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 49
- 239000000956 alloy Substances 0.000 claims abstract description 49
- 238000007772 electroless plating Methods 0.000 claims abstract description 44
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims description 18
- 238000000137 annealing Methods 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 144
- 230000004888 barrier function Effects 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 18
- 229910017566 Cu-Mn Inorganic materials 0.000 description 17
- 229910017871 Cu—Mn Inorganic materials 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 238000005530 etching Methods 0.000 description 13
- 238000007747 plating Methods 0.000 description 11
- 239000013078 crystal Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000008139 complexing agent Substances 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Images
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Thin Film Transistor (AREA)
- Chemically Coating (AREA)
Description
Claims (6)
- 銅とマンガンを含む合金膜を形成する工程と、
前記合金膜を270℃以上の温度で熱処理してマンガンを表面及び下側界面に偏析させ、銅薄膜の上下にマンガン層が形成された複合膜とする工程と、
前記銅薄膜上に形成されたマンガン層を除去する工程と、
前記銅薄膜をシード層として無電解めっきを行う工程とを有することを特徴とする配線形成方法。 - 前記無電解めっきを行う工程においては、レジストを用いたリフトオフ法により配線パターンを決定することを特徴とする請求項1記載の配線形成方法。
- 前記無電解めっきを行う工程の後、前記レジストを除去し、露呈する銅薄膜及びマンガン層を除去することを特徴とする請求項2記載の配線形成方法。
- 前記合金膜の膜厚を15nm〜150nmとすることを特徴とする請求項1から3のいずれか一項記載の配線形成方法。
- 前記合金膜の膜厚を30nm〜100nmとすることを特徴とする請求項1から3のいずれか一項記載の配線形成方法。
- 形成される配線が、液晶表示パネルのアレイ基板上に形成される信号線であることを特徴とする請求項1から5のいずれか一項記載の配線形成方法。
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JP2008069974A JP5280715B2 (ja) | 2008-03-18 | 2008-03-18 | 配線形成方法 |
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JP2008069974A JP5280715B2 (ja) | 2008-03-18 | 2008-03-18 | 配線形成方法 |
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JP2009224705A JP2009224705A (ja) | 2009-10-01 |
JP5280715B2 true JP5280715B2 (ja) | 2013-09-04 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101256276B1 (ko) * | 2010-08-25 | 2013-04-18 | 플란제 에스이 | 다중막의 식각액 조성물 및 그 식각방법 |
TWI534905B (zh) * | 2010-12-10 | 2016-05-21 | 半導體能源研究所股份有限公司 | 顯示裝置及顯示裝置之製造方法 |
KR101323151B1 (ko) * | 2011-09-09 | 2013-10-30 | 가부시키가이샤 에스에이치 카퍼프로덕츠 | 구리-망간합금 스퍼터링 타겟재, 그것을 사용한 박막 트랜지스터 배선 및 박막 트랜지스터 |
WO2017030050A1 (ja) * | 2015-08-19 | 2017-02-23 | 株式会社ニコン | 配線パターンの製造方法、導電膜の製造方法、及びトランジスタの製造方法 |
JP6918902B2 (ja) * | 2015-09-15 | 2021-08-11 | 三菱電機株式会社 | 半導体装置の製造方法 |
JP2017059636A (ja) * | 2015-09-15 | 2017-03-23 | 三菱電機株式会社 | 半導体装置の製造方法 |
US9842805B2 (en) | 2015-09-24 | 2017-12-12 | International Business Machines Corporation | Drive-in Mn before copper plating |
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JP4523535B2 (ja) * | 2005-08-30 | 2010-08-11 | 富士通株式会社 | 半導体装置の製造方法 |
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