JP6989493B2 - 誘電体基板を加工するための方法及び組成物 - Google Patents
誘電体基板を加工するための方法及び組成物 Download PDFInfo
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- JP6989493B2 JP6989493B2 JP2018511737A JP2018511737A JP6989493B2 JP 6989493 B2 JP6989493 B2 JP 6989493B2 JP 2018511737 A JP2018511737 A JP 2018511737A JP 2018511737 A JP2018511737 A JP 2018511737A JP 6989493 B2 JP6989493 B2 JP 6989493B2
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Images
Classifications
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- 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
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- 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
- C09K3/1409—Abrasive particles per se
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- 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
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
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- H—ELECTRICITY
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- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
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- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
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- H—ELECTRICITY
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- 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
- H01L21/3105—After-treatment
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- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
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- 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]
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- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
Claims (21)
- 基板の誘電体含有表面を研磨する方法であって、
誘電体材料を含み金属を含有しない表面を備える基板を提供することと、
研磨パッドを提供することと、
化学機械研磨組成物を提供することであって、前記化学機械研磨組成物が、
水性媒体と、
前記水性媒体中に分散された研削粒子と、
下式を有する除去速度加速剤と、
7未満のpHを有する、提供することと、
前記基板を前記研磨パッド及び前記化学機械研磨組成物と接触させることと、
前記基板に対して前記研磨パッド及び前記化学機械研磨組成物を移動させて、前記基板の表面上の前記誘電体層の少なくとも一部を研削して、前記基板を研磨することと、を含み、
前記組成物が、ピコリン酸をさらに含み、
前記ピコリン酸が、前記除去速度加速剤の重量を基準にして5〜80重量パーセントの範囲の量である、
方法。 - 前記研削粒子が、セリア、ジルコニア、またはそれらの混合物を含む、請求項1に記載の方法。
- 前記研削粒子が、ジルコニアであり、前記化学機械研磨組成物のpHが、3.5〜6.5である、請求項1に記載の方法。
- 前記ジルコニアが、金属ドープジルコニア、非金属ドープジルコニア、またはそれらの組み合わせを含む、請求項3に記載の方法。
- Rが、メチル、フェニル、2−ヒドロキシフェニル、メトキシ、エトキシ、またはブトキシから選択される、請求項1に記載の方法。
- 前記基板が、前記誘電体材料の隆起領域と、前記誘電体材料のトレンチ領域とを含むパターン誘電体材料を含む表面を備え、前記隆起領域の高さと前記トレンチ領域の高さの差がステップ高さである、請求項1に記載の方法。
- 前記除去速度加速剤が、アセトヒドロキサム酸、ベンゾヒドロキサム酸、サリチルヒドロキサム酸、N−ヒドロキシウレタン、N−bocヒドロキシルアミン、及びそれらの組み合わせからなる群から選択される、請求項1に記載の方法。
- 前記除去速度加速剤が、サリチルヒドロキサム酸である、請求項1に記載の方法。
- 除去速度加速剤が、前記研磨組成物中に5〜3,000パーツパーミリオンの濃度で存在する、請求項1に記載の方法。
- 前記パターン誘電体材料が、酸化ケイ素、テトラエトキシシラン、ホスホシリケートガラス、またはボロホスホシリケートガラスから選択される誘電体材料からなる、請求項6に記載の方法。
- Rが、メチル、フェニル、2−ヒドロキシフェニル、メトキシ、エトキシ、またはブトキシである、請求項11に記載の組成物。
- 前記除去速度加速剤が、アセトヒドロキサム酸、ベンゾヒドロキサム酸、サリチルヒドロキサム酸、N−ヒドロキシウレタン、及びN−bocヒドロキシルアミン、ならびにそれらの組み合わせからなる群から選択される、請求項11に記載の組成物。
- 前記除去速度加速剤が、サリチルヒドロキサム酸である、請求項11に記載の組成物。
- 前記除去速度加速剤が、前記組成物の重量を基準として、前記研磨組成物中に5〜3,000パーツパーミリオンの濃度で存在する、請求項11に記載の組成物。
- 前記研削粒子が、セリア、ジルコニア、またはそれらの混合物を含む、請求項11に記載の組成物。
- 前記研削粒子が、湿式法セリア粒子、焼成セリア粒子、金属ドープセリア粒子、ジルコニア粒子、金属ドープジルコニア粒子、またはそれらの組み合わせである、請求項16に記載の組成物。
- 前記研削粒子が、40〜100ナノメートルのメジアン粒径を有する湿式法セリア粒子であり、前記研磨組成物中に0.005重量パーセント〜2重量パーセントの濃度で存在し、少なくとも300ナノメートルの粒径分布を有する、請求項17記載の組成物。
- 前記研削粒子が、前記研磨組成物中に0.1重量パーセント〜15重量パーセントの濃度で存在する、請求項15に記載の組成物。
- 前記研磨組成物のpHが、1〜6である、請求項11に記載の組成物。
- 0.001重量パーセント以下の金属不動態化剤をさらに含む、請求項11に記載の組成物。
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US201562213955P | 2015-09-03 | 2015-09-03 | |
US62/213,955 | 2015-09-03 | ||
PCT/US2016/049563 WO2017040571A1 (en) | 2015-09-03 | 2016-08-31 | Methods and compositions for processing dielectric substrate |
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JP2018532828A JP2018532828A (ja) | 2018-11-08 |
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US (1) | US20170066944A1 (ja) |
EP (1) | EP3344716A4 (ja) |
JP (1) | JP6989493B2 (ja) |
CN (1) | CN108026412B (ja) |
TW (1) | TWI605114B (ja) |
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US10619075B2 (en) | 2015-07-13 | 2020-04-14 | Cabot Microelectronics Corporation | Self-stopping polishing composition and method for bulk oxide planarization |
JP6646062B2 (ja) * | 2015-11-10 | 2020-02-14 | 信越化学工業株式会社 | 合成石英ガラス基板用研磨剤及びその製造方法、並びに合成石英ガラス基板の研磨方法 |
CN113637412A (zh) * | 2017-04-17 | 2021-11-12 | 嘉柏微电子材料股份公司 | 自停止性抛光组合物及用于块状氧化物平坦化的方法 |
JP7438211B2 (ja) * | 2018-11-15 | 2024-02-26 | インテグリス・インコーポレーテッド | 窒化ケイ素エッチング組成物及び方法 |
KR20210018607A (ko) * | 2019-08-06 | 2021-02-18 | 삼성디스플레이 주식회사 | 연마 슬러리, 이를 이용한 표시 장치의 제조방법 및 표시 장치 |
CN113004798B (zh) * | 2019-12-19 | 2024-04-12 | 安集微电子(上海)有限公司 | 一种化学机械抛光液 |
KR20210079573A (ko) * | 2019-12-20 | 2021-06-30 | 주식회사 케이씨텍 | 유기막 연마용 슬러리 조성물 |
JP7489250B2 (ja) | 2020-07-15 | 2024-05-23 | 花王株式会社 | エッチング液 |
WO2022065022A1 (ja) * | 2020-09-24 | 2022-03-31 | 株式会社フジミインコーポレーテッド | 研磨用組成物およびその利用 |
CN114621683A (zh) * | 2020-12-11 | 2022-06-14 | 安集微电子(上海)有限公司 | 一种化学机械抛光液及其使用方法 |
CN114621684A (zh) * | 2020-12-11 | 2022-06-14 | 安集微电子(上海)有限公司 | 一种化学机械抛光液及其使用方法 |
US20220367444A1 (en) * | 2021-05-13 | 2022-11-17 | Texas Instruments Incorporated | Shallow trench isolation processing with local oxidation of silicon |
CN115160933B (zh) * | 2022-07-27 | 2023-11-28 | 河北工业大学 | 一种用于钴互连集成电路钴cmp的碱性抛光液及其制备方法 |
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US20030176151A1 (en) * | 2002-02-12 | 2003-09-18 | Applied Materials, Inc. | STI polish enhancement using fixed abrasives with amino acid additives |
US7071105B2 (en) * | 2003-02-03 | 2006-07-04 | Cabot Microelectronics Corporation | Method of polishing a silicon-containing dielectric |
US20050279733A1 (en) * | 2004-06-18 | 2005-12-22 | Cabot Microelectronics Corporation | CMP composition for improved oxide removal rate |
US7955520B2 (en) * | 2007-11-27 | 2011-06-07 | Cabot Microelectronics Corporation | Copper-passivating CMP compositions and methods |
US8247327B2 (en) * | 2008-07-30 | 2012-08-21 | Cabot Microelectronics Corporation | Methods and compositions for polishing silicon-containing substrates |
JP2012069785A (ja) * | 2010-09-24 | 2012-04-05 | Fujimi Inc | 研磨用組成物および研磨方法 |
WO2012092361A2 (en) * | 2010-12-28 | 2012-07-05 | Saint-Gobain Ceramics & Plastics, Inc. | Polishing slurry including zirconia particles and a method of using the polishing slurry |
JP5992925B2 (ja) * | 2011-01-11 | 2016-09-14 | キャボット マイクロエレクトロニクス コーポレイション | 金属を不動態化する化学機械研磨用組成物及び方法 |
KR20140019403A (ko) * | 2011-03-30 | 2014-02-14 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 및 연마 방법 |
KR101385043B1 (ko) * | 2011-12-30 | 2014-04-15 | 제일모직주식회사 | Cmp 슬러리 조성물 및 이를 이용한 연마 방법 |
US8778212B2 (en) * | 2012-05-22 | 2014-07-15 | Cabot Microelectronics Corporation | CMP composition containing zirconia particles and method of use |
US9340706B2 (en) * | 2013-10-10 | 2016-05-17 | Cabot Microelectronics Corporation | Mixed abrasive polishing compositions |
CN107851568B (zh) * | 2015-07-13 | 2021-10-08 | Cmc材料股份有限公司 | 用于加工介电基板的方法及组合物 |
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KR20180038051A (ko) | 2018-04-13 |
CN108026412A (zh) | 2018-05-11 |
EP3344716A4 (en) | 2019-04-10 |
US20170066944A1 (en) | 2017-03-09 |
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