JP2009514196A - タンタルバリア層用の化学的機械的研磨スラリー - Google Patents
タンタルバリア層用の化学的機械的研磨スラリー Download PDFInfo
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- JP2009514196A JP2009514196A JP2008536909A JP2008536909A JP2009514196A JP 2009514196 A JP2009514196 A JP 2009514196A JP 2008536909 A JP2008536909 A JP 2008536909A JP 2008536909 A JP2008536909 A JP 2008536909A JP 2009514196 A JP2009514196 A JP 2009514196A
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- chemical mechanical
- mechanical polishing
- polishing slurry
- acid
- abrasive grains
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- 238000005498 polishing Methods 0.000 title claims abstract description 82
- 239000002002 slurry Substances 0.000 title claims abstract description 48
- 239000000126 substance Substances 0.000 title claims abstract description 46
- 230000004888 barrier function Effects 0.000 title claims abstract description 15
- 229910052715 tantalum Inorganic materials 0.000 title claims abstract description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 239000006061 abrasive grain Substances 0.000 claims abstract description 37
- 150000007524 organic acids Chemical class 0.000 claims abstract description 10
- -1 triazole compounds Chemical class 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 5
- 239000012964 benzotriazole Substances 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 2
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- 239000001630 malic acid Substances 0.000 claims description 2
- 235000011090 malic acid Nutrition 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 235000005985 organic acids Nutrition 0.000 abstract description 3
- 238000007517 polishing process Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 235000012431 wafers Nutrition 0.000 description 21
- 239000010949 copper Substances 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (12)
- 砥粒Aと、
砥粒Aよりも大きい寸法の砥粒Bと、
トリアゾール系化合物と、
有機酸と、
ビヒクルと、
を含有するタンタルバリア層用の化学的機械的研磨スラリー。 - 前記砥粒Aの寸法は、15〜50nmであり、
前記砥粒Bの寸法は、60〜100nmである、
請求項1に記載の化学的機械的研磨スラリー。 - 前記砥粒Aの寸法は、30〜50nmであり、
前記砥粒Bの寸法は、60〜80nmである、
請求項2に記載の化学的機械的研磨スラリー。 - 前記砥粒Aの濃度は、0.1〜5%であり、
前記砥粒Bの濃度は、0.1〜5%であり、
前記トリアゾール系化合物の濃度は、0.01〜1%であり、
前記有機酸の濃度は、0.01〜0.5%であり、
前記ビヒクル濃度は、残りの割合である、
請求項1〜3のいずれか1項に記載の化学的機械的研磨スラリー。 - 前記砥粒Aの濃度は、0.2〜1%であり、
前記砥粒Bの濃度は、1〜5%である、
請求項4に記載の化学的機械的研磨スラリー。 - 請求項4に記載の化学的機械的研磨スラリーであって、
更に、0.001〜5%の酸化剤を含有する、
化学的機械的研磨スラリー。 - 前記酸化剤は、過酸化水素、過酢酸、過硫酸カリウム及び過硫酸アンモニウムの少なくとも一つである、
請求項6に記載の化学的機械的研磨スラリー。 - 前記砥粒Aは、酸化ケイ素、酸化アルミニウム、酸化セリウム及び重合体顆粒の少なくとも一つであり、
前記砥粒Bは、酸化ケイ素、酸化アルミニウム、酸化セリウム及び重合体顆粒の少なくとも1つである、
請求項1〜3のいずれか1項に記載の化学的機械的研磨スラリー。 - 前記有機酸は、シュウ酸、マロン酸、コハク酸、クエン酸、リンゴ酸、アミノ酸及び有機ホスホン酸の少なくとも一つである、
請求項1〜3のいずれか1項に記載の化学的機械的研磨スラリー。 - 前記有機ホスホン酸は、2−ホスホノブタン−1,2,4−トリカルボン酸である、
請求項9に記載の化学的機械的研磨スラリー。 - 前記トリアゾール系化合物は、ベンゾトリアゾール及びメチルベンゾトリアゾールの少なくとも一つである、
請求項1〜3のいずれか1項に記載の化学的機械的研磨スラリー。 - 前記化学的機械的研磨スラリーのpH値は、2.0〜4.0である、
請求項1〜3のいずれか1項に記載の化学的機械的研磨スラリー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005100308691A CN1955249B (zh) | 2005-10-28 | 2005-10-28 | 用于钽阻挡层的化学机械抛光浆料 |
PCT/CN2006/002620 WO2007048316A1 (fr) | 2005-10-28 | 2006-10-08 | Pate d'abrasion chimique-mecanique pour couche barriere au tantale |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009514196A true JP2009514196A (ja) | 2009-04-02 |
Family
ID=37967407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008536909A Pending JP2009514196A (ja) | 2005-10-28 | 2006-10-08 | タンタルバリア層用の化学的機械的研磨スラリー |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090101864A1 (ja) |
JP (1) | JP2009514196A (ja) |
CN (1) | CN1955249B (ja) |
WO (1) | WO2007048316A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012133591A1 (ja) | 2011-03-30 | 2012-10-04 | 株式会社 フジミインコーポレーテッド | 研磨用組成物並びにそれを用いた研磨方法及び半導体デバイスの製造方法 |
JP2015043371A (ja) * | 2013-08-26 | 2015-03-05 | 日立化成株式会社 | 金属用研磨液及び研磨方法 |
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CN101457122B (zh) * | 2007-12-14 | 2013-01-16 | 安集微电子(上海)有限公司 | 一种用于铜制程的化学机械抛光液 |
JP2009164188A (ja) * | 2007-12-28 | 2009-07-23 | Fujimi Inc | 研磨用組成物 |
CN101724347A (zh) * | 2008-10-10 | 2010-06-09 | 安集微电子(上海)有限公司 | 一种化学机械抛光液 |
CN106928859A (zh) * | 2015-12-31 | 2017-07-07 | 安集微电子科技(上海)有限公司 | 一种化学机械抛光液及其应用 |
US9685406B1 (en) | 2016-04-18 | 2017-06-20 | International Business Machines Corporation | Selective and non-selective barrier layer wet removal |
US10431464B2 (en) | 2016-10-17 | 2019-10-01 | International Business Machines Corporation | Liner planarization-free process flow for fabricating metallic interconnect structures |
US10672653B2 (en) | 2017-12-18 | 2020-06-02 | International Business Machines Corporation | Metallic interconnect structures with wrap around capping layers |
CN115558426A (zh) * | 2022-09-23 | 2023-01-03 | 无锡兴华衡辉科技有限公司 | 芯片表面研磨的方法、用于芯片表面研磨的悬浮磨抛液及其制备方法 |
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-
2006
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- 2006-10-08 JP JP2008536909A patent/JP2009514196A/ja active Pending
- 2006-10-08 US US12/084,252 patent/US20090101864A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
CN1955249B (zh) | 2012-07-25 |
WO2007048316A1 (fr) | 2007-05-03 |
US20090101864A1 (en) | 2009-04-23 |
CN1955249A (zh) | 2007-05-02 |
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