JP5964795B2 - 両親媒性非イオン性界面活性剤を利用したcmp法 - Google Patents
両親媒性非イオン性界面活性剤を利用したcmp法 Download PDFInfo
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- JP5964795B2 JP5964795B2 JP2013191654A JP2013191654A JP5964795B2 JP 5964795 B2 JP5964795 B2 JP 5964795B2 JP 2013191654 A JP2013191654 A JP 2013191654A JP 2013191654 A JP2013191654 A JP 2013191654A JP 5964795 B2 JP5964795 B2 JP 5964795B2
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- metal layer
- substrate
- polishing
- nonionic surfactant
- abrasive
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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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
- H10P52/40—Chemomechanical polishing [CMP]
- H10P52/403—Chemomechanical polishing [CMP] of conductive or resistive materials
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Cosmetics (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Description
この例により、界面活性剤のHLB値の関数として、銅のディッシング値とエロージョン値に関する研磨用組成物中の両親媒性非イオン性界面活性剤の効果が説明される。
この例により、界面活性剤の濃度の関数として、銅のディッシング値とエロージョン値に関する研磨用組成物中の両親媒性非イオン性界面活性剤の効果が説明される。
この例は、本発明の研磨用組成物における両親媒性非イオン性界面活性剤の存在が、大部分の銅の除去に関する第1工程の銅研磨で使用できることを示している。
この例は、本発明の研磨用組成物における両親媒性非イオン性界面活性剤の存在が、第1工程の銅研磨において銅のディッシングを低下させることを示している。
Claims (10)
- 基材を研磨する方法であって、
(i)少なくとも第1の金属層と第2の異なる金属層を含む基材を、該第1の金属層の除去に適した第1化学機械研磨系であって、研磨剤と液体キャリヤーを含む第1化学機械研磨系と接触させ、該第1金属層の少なくとも一部を削って該基材を研磨する工程と、続いて
(ii)該基材を該第2の金属層の除去に適した第2化学機械研磨系であって、
(a)研磨剤
(b)頭部基と末端基を含み、6を超えるHLB値を有する両親媒性非イオン性界面活性剤であって、前記頭部基が、ポリシロキサン、テトラ−C1-4−アルキルデシン、飽和若しくは部分不飽和のC6-30アルキル、ポリオキシプロピレン、C6-12アルキルフェニル、C6-12アルキルシクロヘキシル、ポリエチレン、又はそれらのうち2種以上を含む両親媒性非イオン性界面活性剤、及び
(c)液体キャリヤー
を含む第2化学機械研磨系と接触させ、該第2金属層の少なくとも一部を削って該基材を研磨する工程とを含み、
該第1化学機械研磨系が該第2化学機械研磨系の両親媒性非イオン性界面活性剤とは異なる両親媒性非イオン性界面活性剤をさらに含み、かつ
前記第2金属層が、タンタル、チタン、それらの合金、又はそれらの組み合わせを含む、基材を研磨する方法。 - 前記両親媒性非イオン性界面活性剤が18以下のHLBを有する、請求項1に記載の方法。
- 前記第1金属層が、銅、タングステン、それらの合金、又はそれらの組み合わせを含む、請求項1に記載の方法。
- 前記研磨剤が、アルミナ、シリカ、セリア、チタニア及びジルコニアのうち2種以上の共形成粒子、アルミナのポリマー被覆粒子、シリカのポリマー被覆粒子、セリアのポリマー被覆粒子、チタニアのポリマー被覆粒子、ジルコニアのポリマー被覆粒子、アルミナ、シリカ、セリア、チタニア及びジルコニアのうち2種以上の共形成粒子のポリマー被覆粒子、並びにそれらの組み合わせから成る群より選択される、請求項1に記載の方法。
- 前記第2化学機械研磨系が、前記第2金属層を酸化するための手段、有機酸、又は腐食抑制剤をさらに含む、請求項1に記載の方法。
- 前記末端基が、4以上のエチレンオキシド反復単位を有するポリオキシエチレン、ソルビタン、又はそれらのうち2種以上を含む、請求項1に記載の方法。
- 前記両親媒性非イオン性界面活性剤が、ポリオキシエチレンアルキルエーテルとポリオキシエチレンアルキル酸エステルから成る群より選択され、アルキルがC6-30アルキルであり、飽和又は部分不飽和であることができ、任意選択で枝分かれである、請求項1に記載の方法。
- 前記両親媒性非イオン性界面活性剤が、ポリオキシエチレンアルキルフェニルエーテル又はポリオキシエチレンアルキルシクロヘキシルエーテルであり、アルキルがC6-30アルキルであり、飽和又は部分不飽和であることができ、任意選択で枝分かれであることができる、請求項1に記載の方法。
- 前記両親媒性非イオン性界面活性剤が、ポリオキシエチレンとポリジメチルシロキサン、ポリオキシエチレンとポリオキシプロピレン、又はポリオキシエチレンとポリエチレンを含むブロック又はグラフトコポリマーである、請求項1に記載の方法。
- 前記研磨剤が、シリカ又はポリマー被覆アルミナを含む、請求項1に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/269,864 US6936543B2 (en) | 2002-06-07 | 2002-10-11 | CMP method utilizing amphiphilic nonionic surfactants |
| US10/269,864 | 2002-10-11 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010094057A Division JP5448994B2 (ja) | 2002-10-11 | 2010-04-15 | 両親媒性非イオン性界面活性剤を利用したcmp法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013258430A JP2013258430A (ja) | 2013-12-26 |
| JP5964795B2 true JP5964795B2 (ja) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004542717A Withdrawn JP2006502579A (ja) | 2002-10-11 | 2003-09-29 | 両親媒性非イオン性界面活性剤を利用したcmp法 |
| JP2010094057A Expired - Fee Related JP5448994B2 (ja) | 2002-10-11 | 2010-04-15 | 両親媒性非イオン性界面活性剤を利用したcmp法 |
| JP2013191654A Expired - Fee Related JP5964795B2 (ja) | 2002-10-11 | 2013-09-17 | 両親媒性非イオン性界面活性剤を利用したcmp法 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004542717A Withdrawn JP2006502579A (ja) | 2002-10-11 | 2003-09-29 | 両親媒性非イオン性界面活性剤を利用したcmp法 |
| JP2010094057A Expired - Fee Related JP5448994B2 (ja) | 2002-10-11 | 2010-04-15 | 両親媒性非イオン性界面活性剤を利用したcmp法 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6936543B2 (ja) |
| EP (1) | EP1560890B1 (ja) |
| JP (3) | JP2006502579A (ja) |
| KR (2) | KR20050070048A (ja) |
| CN (1) | CN100352874C (ja) |
| AT (1) | ATE364070T1 (ja) |
| AU (1) | AU2003263536A1 (ja) |
| DE (1) | DE60314274T2 (ja) |
| SG (1) | SG111616A1 (ja) |
| TW (1) | TWI259845B (ja) |
| WO (1) | WO2004033574A1 (ja) |
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2002
- 2002-10-11 US US10/269,864 patent/US6936543B2/en not_active Expired - Lifetime
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- 2003-09-29 WO PCT/IB2003/004296 patent/WO2004033574A1/en not_active Ceased
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- 2003-09-29 AU AU2003263536A patent/AU2003263536A1/en not_active Abandoned
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| KR101201115B1 (ko) | 2012-11-13 |
| WO2004033574A8 (en) | 2005-09-29 |
| JP2006502579A (ja) | 2006-01-19 |
| SG111616A1 (en) | 2007-05-30 |
| KR20110008342A (ko) | 2011-01-26 |
| EP1560890A1 (en) | 2005-08-10 |
| DE60314274D1 (de) | 2007-07-19 |
| AU2003263536A8 (en) | 2004-05-04 |
| DE60314274T2 (de) | 2007-09-20 |
| KR20050070048A (ko) | 2005-07-05 |
| WO2004033574A1 (en) | 2004-04-22 |
| AU2003263536A1 (en) | 2004-05-04 |
| JP2010177703A (ja) | 2010-08-12 |
| US6936543B2 (en) | 2005-08-30 |
| CN100352874C (zh) | 2007-12-05 |
| JP2013258430A (ja) | 2013-12-26 |
| TWI259845B (en) | 2006-08-11 |
| EP1560890B1 (en) | 2007-06-06 |
| CN1688665A (zh) | 2005-10-26 |
| ATE364070T1 (de) | 2007-06-15 |
| TW200420697A (en) | 2004-10-16 |
| US20030228763A1 (en) | 2003-12-11 |
| JP5448994B2 (ja) | 2014-03-19 |
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