JP2012074736A - 改善された酸化物除去速度のためのcmp組成物 - Google Patents
改善された酸化物除去速度のためのcmp組成物 Download PDFInfo
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- 238000005498 polishing Methods 0.000 claims abstract description 148
- 239000000758 substrate Substances 0.000 claims abstract description 45
- -1 halide salt Chemical class 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 35
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 18
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 11
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- 239000000377 silicon dioxide Substances 0.000 claims description 16
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- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
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- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
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- 229910001111 Fine metal Inorganic materials 0.000 description 1
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- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
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- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Detergent Compositions (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
【解決手段】化学−機械研磨組成物であって:
(a)アルミナ、セリア、ジルコニア、及びそれらの組合せからなる群から選択した0.01質量%〜1質量%の砥材
(b)Cl−、Br−、及びI−からなる群から選択したアニオンを含む0.05mM〜30mMのハロゲン化物塩、並びに
(c)水、を含んでなり、
ここで9未満のpHを有する研磨組成物。
【選択図】なし
Description
本例は様々の砥材について100%活性除去速度及び50%活性除去速度でKIを導入することの重大さを明らかにする。水と0.15質量%のセリア、1質量%のジルコニア(ZrO2)、3質量%の蒸気アルミナ、10質量%の蒸気シリカ、又は水中の10質量%のコロイドシリカのいずれかとを含む研磨組成物が正副二つ用意され、各正副の組成物の一つはKIも含んでいる。各研磨組成物は5のpHを有する。コロイドシリカは粒子サイズが10〜150nmの範囲で水中にあるシリカの安定な分散として供給されることに特徴づけられる。類似の二酸化珪素層が各々の異なる研磨組成物で別々に研磨された。研磨組成物の使用の後に、各研磨組成物による二酸化珪素(SiO2)の100%活性除去速度及び50%活性除去速度が測定され、表1に結果のデータを示している。
本例は、ブランケット除去速度及び50%活性除去速度に影響を与えることにおける、本発明の研磨組成物の中のハロゲン化物アニオンの重大さを示す。研磨組成物はセリア及び種々の塩(特に、0.5mMのKNO3、0.5mMのKCl、0.5mMのKI、0.25mMのK2C2O4、0.5mMのK2C2O4、2.0mMのKCl、及び0.5mMのK2SO4)を水中に含んで用意される。類似の二酸化珪素層が各々の異なる研磨組成物で別々に研磨された。研磨組成物の使用の後に、ブランケット除去速度及び50%活性除去速度が測定され、表2に結果のデータを示している。
Claims (33)
- 化学−機械研磨組成物であって:
(a)アルミナ、セリア、ジルコニア、及びそれらの組合せからなる群から選択した0.01質量%〜1質量%の砥材
(b)Cl−、Br−、及びI−からなる群から選択したアニオンを含む0.05mM〜30mMのハロゲン化物塩、並びに
(c)水、を含んでなり、
ここで9未満のpHを有する研磨組成物。 - 研磨組成物が3〜8のpHを有する、請求項1に記載された化学−機械研磨組成物。
- 砥材がアルミナ又はセリアである、請求項1に記載された化学−機械研磨組成物。
- 砥材がセリアである、請求項3に記載された化学−機械研磨組成物。
- ハロゲン化物塩がアニオンI−を有する、請求項4に記載された化学−機械研磨組成物。
- ハロゲン化物塩がLi+、Na+、K+、Mg2+、Ca2+、Sr2+、Ba2+、Fe2+、NH4 +、及びC5H5NH+からなる群から選択したカチオンを有する、請求項5に記載された化学−機械研磨組成物。
- ハロゲン化物塩がKIである、請求項6に記載された化学−機械研磨組成物。
- さらに有機カルボン酸を含んでなる、請求項7に記載された研磨組成物。
- ハロゲン化物塩がアニオンI−を有する、請求項1に記載された化学−機械研磨組成物。
- ハロゲン化物塩がLi+、Na+、K+、Mg+、Ca2+、Sr2+、Ba2+、Fe2+、NH4 +、及びC5H5NH+からなる群から選択したカチオンを有する、請求項1に記載された化学−機械研磨組成物。
- ハロゲン化物塩がKIである、請求項10に記載された化学−機械研磨組成物。
- 砥材が0.01質量%〜0.5質量%の量で存在する、請求項1に記載された化学−機械研磨組成物。
- ハロゲン化物塩が0.1mM〜10mMの濃度で存在する、請求項1に記載された化学−機械研磨組成物。
- さらに有機カルボン酸を含んでなる、請求項1に記載された化学−機械研磨組成物。
- 有機カルボン酸がモノカルボン酸及びジカルボン酸からなる群から選択される、請求項14に記載された化学−機械研磨組成物。
- 有機カルボン酸がアミノカルボン酸である、請求項15に記載された化学−機械研磨組成物。
- 化学−機械研磨の方法であって:
(a)基材を研磨パッドと接触させ、そして化学−機械研磨組成物が:
(i)アルミナ、セリア、ジルコニア、及びそれらの組合せからなる群から選択した0.01質量%〜1質量%の砥材
(ii)Cl−、Br−、及びI−からなる群から選択したアニオンを含む0.05mM〜30mMのハロゲン化物塩、並びに
(iii )水、を含み、
ここで研磨組成物は9未満のpHを有すること、
(b)研磨パッドを基材と関連して動かし、それらの間には化学−機械研磨組成物を伴うこと、そして
(c)基材を研磨するために少なくとも基材の一部を磨り減らす(abrading)こと、を含んでなる方法。 - 化学−機械研磨組成物が3〜8のpHを有する、請求項17に記載された方法。
- 砥材がアルミナ又はセリアである、請求項17に記載された方法。
- 砥材がセリアである、請求項19に記載された方法。
- ハロゲン化物塩がアニオンI−を有する、請求項20に記載された方法。
- ハロゲン化物塩がLi+、Na+、K+、Mg+、Ca2+、Sr2+、Ba2+、Fe2+、NH4 +、及びC5H5NH+からなる群から選択したカチオンを有する、請求項21に記載された方法。
- ハロゲン化物塩がKIである、請求項22に記載された方法。
- さらに有機カルボン酸を含んでなる、請求項23に記載された方法。
- ハロゲン化物塩がアニオンI−を有する、請求項17に記載された方法。
- ハロゲン化物塩がLi+、Na+、K+、Mg+、Ca2+、Sr2+、Ba2+、Fe2+、NH4 +、及びC5H5NH+からなる群から選択したカチオンを有する、請求項17に記載された方法。
- ハロゲン化物塩がKIである、請求項26に記載された方法。
- 砥材が0.01質量%〜0.5質量%の量で存在する、請求項17に記載された方法。
- ハロゲン化物塩が0.1mM〜10mMの濃度で存在する、請求項17に記載された方法。
- さらに有機カルボン酸を含んでなる、請求項17に記載された方法。
- 有機カルボン酸がモノカルボン酸及びジカルボン酸からなる群から選択される、請求項30に記載された方法。
- 有機カルボン酸がアミノカルボン酸である、請求項31に記載された方法。
- 基材が二酸化珪素を含んでなる、請求項17に記載された方法。
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US8038752B2 (en) * | 2004-10-27 | 2011-10-18 | Cabot Microelectronics Corporation | Metal ion-containing CMP composition and method for using the same |
US7531105B2 (en) * | 2004-11-05 | 2009-05-12 | Cabot Microelectronics Corporation | Polishing composition and method for high silicon nitride to silicon oxide removal rate ratios |
US7803203B2 (en) * | 2005-09-26 | 2010-09-28 | Cabot Microelectronics Corporation | Compositions and methods for CMP of semiconductor materials |
CN102827549B (zh) * | 2012-09-04 | 2014-05-07 | 上海新安纳电子科技有限公司 | 一种氧化硅介电材料用化学机械抛光液 |
JP6422325B2 (ja) * | 2014-12-15 | 2018-11-14 | 花王株式会社 | 半導体基板用研磨液組成物 |
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JP6551136B2 (ja) * | 2015-10-14 | 2019-07-31 | 日立化成株式会社 | Cmp用研磨液及び研磨方法 |
CN109155246B (zh) * | 2016-04-22 | 2024-01-05 | 日挥触媒化成株式会社 | 二氧化硅系复合微粒分散液及其制造方法 |
US10584266B2 (en) * | 2018-03-14 | 2020-03-10 | Cabot Microelectronics Corporation | CMP compositions containing polymer complexes and agents for STI applications |
CN110922896A (zh) * | 2019-11-18 | 2020-03-27 | 宁波日晟新材料有限公司 | 一种高效环保碳化硅抛光液及其制备方法和应用 |
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JP2008503874A (ja) | 2008-02-07 |
IL179570A0 (en) | 2007-05-15 |
US20050279733A1 (en) | 2005-12-22 |
IL179570A (en) | 2013-02-28 |
ATE537232T1 (de) | 2011-12-15 |
JP5264985B2 (ja) | 2013-08-14 |
US20090191710A1 (en) | 2009-07-30 |
EP1797151B1 (en) | 2011-12-14 |
WO2006009640A1 (en) | 2006-01-26 |
TWI313031B (en) | 2009-08-01 |
EP1797151A1 (en) | 2007-06-20 |
CN101379154A (zh) | 2009-03-04 |
CN101379154B (zh) | 2011-07-13 |
TW200605211A (en) | 2006-02-01 |
JP4938654B2 (ja) | 2012-05-23 |
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