JP2011515023A - 化学的機械的研磨用水系スラリー組成物及び化学的機械的研磨方法 - Google Patents
化学的機械的研磨用水系スラリー組成物及び化学的機械的研磨方法 Download PDFInfo
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- JP2011515023A JP2011515023A JP2010548612A JP2010548612A JP2011515023A JP 2011515023 A JP2011515023 A JP 2011515023A JP 2010548612 A JP2010548612 A JP 2010548612A JP 2010548612 A JP2010548612 A JP 2010548612A JP 2011515023 A JP2011515023 A JP 2011515023A
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- JKXYOQDLERSFPT-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-octadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO JKXYOQDLERSFPT-UHFFFAOYSA-N 0.000 description 1
- CABMTIJINOIHOD-UHFFFAOYSA-N 2-[4-methyl-5-oxo-4-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]quinoline-3-carboxylic acid Chemical compound N1C(=O)C(C(C)C)(C)N=C1C1=NC2=CC=CC=C2C=C1C(O)=O CABMTIJINOIHOD-UHFFFAOYSA-N 0.000 description 1
- XWNSFEAWWGGSKJ-UHFFFAOYSA-N 4-acetyl-4-methylheptanedinitrile Chemical compound N#CCCC(C)(C(=O)C)CCC#N XWNSFEAWWGGSKJ-UHFFFAOYSA-N 0.000 description 1
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- 239000005751 Copper oxide Substances 0.000 description 1
- LEVWYRKDKASIDU-QWWZWVQMSA-N D-cystine Chemical compound OC(=O)[C@H](N)CSSC[C@@H](N)C(O)=O LEVWYRKDKASIDU-QWWZWVQMSA-N 0.000 description 1
- WJJMNDUMQPNECX-UHFFFAOYSA-N Dipicolinic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=N1 WJJMNDUMQPNECX-UHFFFAOYSA-N 0.000 description 1
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- 239000004698 Polyethylene Substances 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004153 Potassium bromate Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 description 1
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- 229910000431 copper oxide Inorganic materials 0.000 description 1
- SSJXIUAHEKJCMH-UHFFFAOYSA-N cyclohexane-1,2-diamine Chemical compound NC1CCCCC1N SSJXIUAHEKJCMH-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
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- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
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- 125000001165 hydrophobic group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
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- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229940094037 potassium bromate Drugs 0.000 description 1
- 235000019396 potassium bromate Nutrition 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
-
- 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]
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/7684—Smoothing; Planarisation
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
まず、CMP用水系スラリー組成物の製造のための各構成成分として、次のような物質を使用した。
CMP用水系スラリーの組成を下記の表2のように異ならせたことを除いては、前記実施例1乃至23と同様な方法で比較例1乃至4のCMP用水系スラリー組成物を製造した。
[研磨対象膜]
PVDにより銅膜が15000Åに蒸着された6インチのウエハー
PVDによりタンタル膜が3000Åに蒸着された6インチのウエハー
PETEOSによりシリコン酸化膜が7000Åに蒸着された6インチのウエハー
この時、研磨を行った具体的な条件は次の通りである。
[研磨条件]
研磨装備:CDP 1CM51(Logitech社)
研磨パッド:IC1000/SubaIV Stacked(Rodel社)
プラテン速度:70rpm
ヘッドスピンドル速度:70rpm
圧力:3psi
スラリー流速:200ml/min
[研磨対象膜]
電気めっきにより銅膜が15000Åに蒸着された8インチのウエハー
PVDによりタンタル膜が3000Åに蒸着された8インチのウエハー
PETEOSによりシリコン酸化膜が7000Åに蒸着された8インチのウエハー
この時、研磨を行った具体的な条件は次の通りである。
[研磨条件]
研磨装備:UNIPLA210(斗山DND社)
研磨パッド:IC1000/SubaIV Stacked(Rodel社)
プラテン速度:24rpm
ヘッドスピンドル速度:100rpm
ウエハー圧力:1.5psi
リテーナーリング圧力:2.5psi
スラリー流速:200ml/min
銅膜またはタンタル膜の金属膜の厚さは、LEI1510 Rs Mapping(LEI社)を使用して各薄膜の面抵抗を測定した後、以下の式によって算出した。
[銅膜の厚さ(Å)]=[銅膜の非抵抗値(Ω/cm)/シート抵抗値(Ω/square(□))]×108
[タンタル膜の厚さ(Å)]=[タンタル膜の非抵抗値(Ω/cm)/シート抵抗値(Ω/square(□))]×108
Claims (23)
- 研磨粒子;酸化剤;錯体形成剤;及びポリプロピレンオキシド、プロピレンオキシド-エチレンオキシド共重合体、及び下記の化学式1
の化合物からなる群より選択された一つ以上を含んだ高分子添加剤;
を含む、化学的機械的研磨(CMP)用水系スラリー組成物。 - 前記研磨粒子は、シリカ粒子、アルミナ粒子、セリア粒子、ジルコニア粒子、チタニア粒子、ゼオライト粒子、スチレン系重合体粒子、アクリル系重合体粒子、ポリ塩化ビニル粒子、ポリアミド粒子、ポリカーボネート粒子、及びポリイミド粒子からなる群より選択された1種以上を含む、請求項1に記載のCMP用水系スラリー組成物。
- 前記研磨粒子は、平均粒径が10乃至500nmである、請求項1に記載のCMP用水系スラリー組成物。
- 前記酸化剤は、過硫酸系酸化剤を含む、請求項1に記載のCMP用水系スラリー組成物。
- 前記過硫酸系酸化剤は、過硫酸ナトリウム、過硫酸カリウム(KPS)、過硫酸カルシウム、過硫酸アンモニウム、及びテトラアルキル過硫酸アンモニウムからなる群より選択された一つ以上を含む、請求項4に記載のCMP用水系スラリー組成物。
- 前記錯体形成剤は、アラニン、グリシン、シスチン、ヒスチジン、アスパラギン、グアニジン、トリプトファン、ヒドラジン、エチレンジアミン、ジアミノシクロヘキサン、ジアミノプロピオン酸、ジアミノプロパン、ジアミノプロパノール、マレイン酸、リンゴ酸、酒石酸、クエン酸、マロン酸、フタル酸、酢酸、乳酸、シュウ酸、ピリジンカルボン酸、ピリジルジカルボン酸、アスコルビン酸、アスパラギン酸、ピラゾールジカルボン酸、キナルジン酸、及びこれらの塩からなる群より選択された一つ以上を含む、請求項1に記載のCMP用水系スラリー組成物。
- 前記高分子添加剤は、質量平均分子量が5000乃至100000であり、エチレンオキシドの反復単位を60乃至90質量%で含んだプロピレンオキシド-エチレンオキシド共重合体を含む、請求項1に記載のCMP用水系スラリー組成物。
- 前記高分子添加剤は、ポリエチレングリコールをさらに含む、請求項1に記載のCMP用水系スラリー組成物。
- 腐食抑制剤、pH調節剤、またはこれらの混合物をさらに含む、請求項1に記載のCMP用水系スラリー組成物。
- 前記腐食抑制剤は、ベンゾトリアゾール、4,4´-ジピリジルエタン、3,5-ピラゾールジカルボン酸、キナルジン酸、及びこれらの塩からなる群より選択された一つ以上を含む、請求項9に記載のCMP用水系スラリー組成物。
- 前記pH調節剤は、水酸化カリウム、水酸化ナトリウム、アンモニア水、水酸化ルビジウム、水酸化セシウム、炭酸水素ナトリウム、及び炭酸ナトリウムからなる群より選択された一つ以上の塩基性pH調節剤;または塩酸、硝酸、硫酸、燐酸、蟻酸、及び酢酸からなる群より選択された一つ以上の酸性pH調節剤;を含む、請求項9に記載のCMP用水系スラリー組成物。
- 研磨粒子を0.1乃至30質量%、酸化剤を0.1乃至10質量%、錯体形成剤を0.05乃至5質量%、高分子添加剤を0.0001乃至2質量%、及び残量の水を含む、請求項1に記載のCMP用水系スラリー組成物。
- 研磨粒子を0.1乃至30質量%、酸化剤を0.1乃至10質量%、錯体形成剤を0.05乃至5質量%、腐食抑制剤を0.001乃至2質量%、高分子添加剤を0.0001乃至2質量%、残量のpH調節剤及び水を含む、請求項9に記載のCMP用水系スラリー組成物。
- 銅含有膜の研磨のために用いられる、請求項1に記載のCMP用水系スラリー組成物。
- 前記銅含有膜は、半導体素子の銅配線層を含む、請求項14に記載のCMP用水系スラリー組成物。
- 銅膜に対して4000Å/分以上の研磨率を示す、請求項1に記載のCMP用水系スラリー組成物。
- 銅膜に対する研磨率:タンタル膜に対する研磨率が40:1以上の研磨選択比を示す、請求項1または15に記載のCMP用水系スラリー組成物。
- 銅膜に対する研磨率:シリコン酸化膜に対する研磨率が100:1以上の研磨選択比を示す、請求項1または15に記載のCMP用水系スラリー組成物。
- CMP研磨された銅膜の表面粗度(Ra)が10nm以下となるようにする、請求項1または15に記載のCMP用水系スラリー組成物。
- 基板上の研磨対象膜及び研磨パッドの間に請求項1に記載の水系スラリー組成物を供給して、前記研磨対象膜及び研磨パッドを接触させた状態で相対的に移動させながら前記研磨対象膜を研磨する、化学的機械的研磨方法。
- 前記研磨対象膜は、銅含有膜である、請求項20に記載の化学的機械的研磨方法。
- 前記銅含有膜は、前記基板上の研磨停止層及び銅配線層を含み、前記銅含有膜の研磨は、前記研磨停止層の上面が露出されるまで行われる、請求項21に記載の化学的機械的研磨方法。
- 前記研磨停止層は、タンタルまたはチタニウム含有膜を含む、請求項22に記載の化学的機械的研磨方法。
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KR10-2009-0009099 | 2009-02-05 | ||
PCT/KR2009/000917 WO2009107986A1 (en) | 2008-02-29 | 2009-02-26 | An aqueous slurry composition for chemical mechanical polishing and chemical mechanical polishing method |
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JP2013042132A (ja) * | 2011-08-15 | 2013-02-28 | Rohm & Haas Electronic Materials Cmp Holdings Inc | 銅をケミカルメカニカルポリッシングするための方法 |
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JP2022512429A (ja) * | 2018-12-12 | 2022-02-03 | ビーエーエスエフ ソシエタス・ヨーロピア | 銅及びルテニウムを含有する基板の化学機械研磨 |
KR20220025593A (ko) * | 2020-08-24 | 2022-03-03 | 에스케이씨솔믹스 주식회사 | 연마패드 및 이를 이용한 반도체 소자의 제조방법 |
JP7409917B2 (ja) | 2019-03-29 | 2024-01-09 | 株式会社フジミインコーポレーテッド | Cmp組成物およびこれを用いた方法 |
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US11043396B2 (en) * | 2018-07-31 | 2021-06-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Chemical mechanical polish slurry and method of manufacture |
CN111378972A (zh) * | 2018-12-29 | 2020-07-07 | 安集微电子(上海)有限公司 | 一种化学机械抛光液 |
JP7331103B2 (ja) * | 2019-06-20 | 2023-08-22 | 富士フイルム株式会社 | 研磨液、及び、化学的機械的研磨方法 |
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JP7409917B2 (ja) | 2019-03-29 | 2024-01-09 | 株式会社フジミインコーポレーテッド | Cmp組成物およびこれを用いた方法 |
WO2021131434A1 (ja) * | 2019-12-24 | 2021-07-01 | ニッタ・デュポン株式会社 | 研磨用組成物 |
JP2021102666A (ja) * | 2019-12-24 | 2021-07-15 | ニッタ・デュポン株式会社 | 研磨用組成物 |
JP7433042B2 (ja) | 2019-12-24 | 2024-02-19 | ニッタ・デュポン株式会社 | 研磨用組成物 |
KR20220025593A (ko) * | 2020-08-24 | 2022-03-03 | 에스케이씨솔믹스 주식회사 | 연마패드 및 이를 이용한 반도체 소자의 제조방법 |
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Also Published As
Publication number | Publication date |
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KR101202720B1 (ko) | 2012-11-19 |
TW200948940A (en) | 2009-12-01 |
KR20090093805A (ko) | 2009-09-02 |
EP2247682A4 (en) | 2012-03-14 |
US20100184291A1 (en) | 2010-07-22 |
EP2247682A1 (en) | 2010-11-10 |
CN101679810B (zh) | 2014-06-18 |
WO2009107986A1 (en) | 2009-09-03 |
CN101679810A (zh) | 2010-03-24 |
TWI484022B (zh) | 2015-05-11 |
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