JP4968552B2 - 原子層堆積法を用いる材料層の形成方法 - Google Patents
原子層堆積法を用いる材料層の形成方法 Download PDFInfo
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- JP4968552B2 JP4968552B2 JP2009514454A JP2009514454A JP4968552B2 JP 4968552 B2 JP4968552 B2 JP 4968552B2 JP 2009514454 A JP2009514454 A JP 2009514454A JP 2009514454 A JP2009514454 A JP 2009514454A JP 4968552 B2 JP4968552 B2 JP 4968552B2
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/505—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using radio frequency discharges
- C23C16/509—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using radio frequency discharges using internal electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01332—Making the insulator
- H10D64/01336—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid
- H10D64/01342—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid by deposition, e.g. evaporation, ALD or laser deposition
-
- 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
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Chemical Vapour Deposition (AREA)
Description
を排気するステップと、決定された前駆体パルス時間に相当する第二の期間中にチャンバに前駆体ガスを導入するステップと、第三の期間中にチャンバを排気するステップと、を含む。
い。さらに、当然のことながら、そのような開発努力は複雑で時間のかかるものとなり得るが、それでもやはり、本開示の利益を得る当業者にとっては日常業務となる。
び特定のプロセスツールに応じて、バイアスされてもよいし、されなくてもよい。
40を提供するために、パルス順序は実質的にいかなる様式で配列されてもよい。
Claims (16)
- プロセスツールのプロセスチャンバにおいて原子層堆積(ALD)法を行うことによって材料層を形成する方法であって、
前記材料層の標的特性を特定するステップであって、前記特性は抵抗率および結晶化度から選択される、ステップと、
前記材料層に前記標的特性を作り出すために、前記ALD法の最中に前記プロセスチャンバに前駆体ガスを導入するための前駆体パルス時間を決定するステップと、
前記決定された前駆体パルス時間にわたって前記チャンバに前記前駆体ガスを導入し、その結果前記材料層を形成する複数のステップを含む、前記ALD法を行うステップと、
を含む方法。 - 前記材料層が、ルテニウム、タンタル、窒化タンタル、酸化ルテニウム、タングステン、二酸化ケイ素、および白金のうちの少なくとも一つを含む、請求項1の方法。
- 前記標的特性が前記材料層の抵抗率である、請求項1の方法。
- 前記標的特性が前記材料層の結晶化度である、請求項1の方法。
- 前記標的特性が前記材料層の厚みを通して均一である、請求項1の方法。
- 前記標的特性が前記材料層の厚み内で異なる、請求項1の方法。
- 前記チャンバ内に配位子除去環境をつくるステップをさらに含む、請求項1の方法。
- 前記チャンバ内に配位子除去環境をつくるステップが、前記配位子除去環境をつくるために、アンモニア(NH3)、水素(H2)、窒素(N2)、および酸素(O2)のうちの少なくとも一つを前記プロセスチャンバに導入するステップを含む、請求項7の方法。
- 前記チャンバ内のシャワーヘッドにRF電力を印加することによって、前記チャンバ内にプラズマを作り出すステップをさらに含む、請求項1の方法。
- 前記ALD法を行うステップが、前記材料層を形成するために複数のパルスパターンからなるプロセスを行うステップを含み、前記パルスパターンの各々は、
第一の期間中に前記チャンバを排気するステップと、
前記決定された前駆体パルス時間に相当する第二の期間中に、前記チャンバに前記前駆体ガスを導入するステップと、
第三の期間中に前記チャンバを排気するステップと、
を含む、請求項1の方法。 - 前記チャンバ内に配位子除去環境をつくるステップをさらに含む、請求項10の方法。
- 前記第一、第二、および第三の期間中に、RF電力が前記プロセスチャンバに印加されない、請求項10の方法。
- 前記第一および第三の期間が、およそ同じ持続期間を持つ、請求項10の方法。
- 前記ALD法を行うステップが、前記基板の上に前記材料層を形成するために、複数の第一のパルスパターンと、複数の第二のパルスパターンからなるプロセスを行うステップを含み、前記第一および第二のパルスパターンの各々は、
第一の期間中に前記チャンバを排気するステップと、
第二の期間中に前記チャンバに前駆体ガスを導入するステップと、
第三の期間中に前記チャンバを排気するステップと、
を含み、
前記複数の第一のパルスパターン中の前記第二の期間は、前記複数の第二のパルスパターン中の前記第二の期間とは異なる、
請求項1の方法。 - 前記第一、第二、および第三の期間中に、RF電力が前記プロセスチャンバに印加されない、請求項14の方法。
- 前記第一および第三の期間が、およそ同じ持続期間を持つ、請求項14の方法
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/423,197 | 2006-06-09 | ||
| US11/423,197 US7557047B2 (en) | 2006-06-09 | 2006-06-09 | Method of forming a layer of material using an atomic layer deposition process |
| PCT/US2007/069091 WO2007146537A2 (en) | 2006-06-09 | 2007-05-17 | Method of forming a layer of material using an atomic layer deposition process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009540123A JP2009540123A (ja) | 2009-11-19 |
| JP4968552B2 true JP4968552B2 (ja) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009514454A Active JP4968552B2 (ja) | 2006-06-09 | 2007-05-17 | 原子層堆積法を用いる材料層の形成方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7557047B2 (ja) |
| EP (1) | EP2027304A2 (ja) |
| JP (1) | JP4968552B2 (ja) |
| KR (1) | KR101199055B1 (ja) |
| CN (1) | CN101460660B (ja) |
| TW (1) | TWI447784B (ja) |
| WO (1) | WO2007146537A2 (ja) |
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| KR101543639B1 (ko) * | 2008-12-30 | 2015-08-12 | 삼성전자주식회사 | 복합 박막 형성 방법 |
| US20100267230A1 (en) | 2009-04-16 | 2010-10-21 | Anand Chandrashekar | Method for forming tungsten contacts and interconnects with small critical dimensions |
| US9159571B2 (en) | 2009-04-16 | 2015-10-13 | Lam Research Corporation | Tungsten deposition process using germanium-containing reducing agent |
| US12444651B2 (en) | 2009-08-04 | 2025-10-14 | Novellus Systems, Inc. | Tungsten feature fill with nucleation inhibition |
| US10256142B2 (en) | 2009-08-04 | 2019-04-09 | Novellus Systems, Inc. | Tungsten feature fill with nucleation inhibition |
| US8048755B2 (en) | 2010-02-08 | 2011-11-01 | Micron Technology, Inc. | Resistive memory and methods of processing resistive memory |
| JP5729911B2 (ja) * | 2010-03-11 | 2015-06-03 | ノベラス・システムズ・インコーポレーテッドNovellus Systems Incorporated | タングステン膜の製造方法およびタングステン膜を堆積させる装置 |
| US8828883B2 (en) | 2010-08-24 | 2014-09-09 | Micron Technology, Inc. | Methods and apparatuses for energetic neutral flux generation for processing a substrate |
| TWI586828B (zh) * | 2012-02-10 | 2017-06-11 | 財團法人國家同步輻射研究中心 | 原子層沈積之摻雜方法 |
| JP6273257B2 (ja) | 2012-03-27 | 2018-01-31 | ノベラス・システムズ・インコーポレーテッドNovellus Systems Incorporated | タングステンによるフィーチャ充填 |
| US9153486B2 (en) | 2013-04-12 | 2015-10-06 | Lam Research Corporation | CVD based metal/semiconductor OHMIC contact for high volume manufacturing applications |
| US9589808B2 (en) | 2013-12-19 | 2017-03-07 | Lam Research Corporation | Method for depositing extremely low resistivity tungsten |
| US9953984B2 (en) | 2015-02-11 | 2018-04-24 | Lam Research Corporation | Tungsten for wordline applications |
| US9613818B2 (en) | 2015-05-27 | 2017-04-04 | Lam Research Corporation | Deposition of low fluorine tungsten by sequential CVD process |
| US9978605B2 (en) | 2015-05-27 | 2018-05-22 | Lam Research Corporation | Method of forming low resistivity fluorine free tungsten film without nucleation |
| US9754824B2 (en) | 2015-05-27 | 2017-09-05 | Lam Research Corporation | Tungsten films having low fluorine content |
| JP7609636B2 (ja) | 2017-08-14 | 2025-01-07 | ラム リサーチ コーポレーション | 3次元垂直nandワード線用の金属充填プロセス |
| JP2021523292A (ja) | 2018-05-03 | 2021-09-02 | ラム リサーチ コーポレーションLam Research Corporation | 3d nand構造内にタングステンおよび他の金属を堆積させる方法 |
| WO2020123987A1 (en) | 2018-12-14 | 2020-06-18 | Lam Research Corporation | Atomic layer deposition on 3d nand structures |
| JP7246184B2 (ja) * | 2018-12-27 | 2023-03-27 | 東京エレクトロン株式会社 | RuSi膜の形成方法 |
| SG11202111277UA (en) | 2019-04-11 | 2021-11-29 | Lam Res Corp | High step coverage tungsten deposition |
| CN113874545A (zh) | 2019-05-22 | 2021-12-31 | 朗姆研究公司 | 无成核的钨沉积 |
| JP7296806B2 (ja) | 2019-07-16 | 2023-06-23 | 東京エレクトロン株式会社 | RuSi膜の形成方法及び基板処理システム |
| US12077858B2 (en) | 2019-08-12 | 2024-09-03 | Lam Research Corporation | Tungsten deposition |
| CN114958036B (zh) * | 2022-06-30 | 2023-12-01 | 丰田自动车株式会社 | 一种珠光颜料及其制备方法 |
| CN120649006B (zh) * | 2025-08-21 | 2025-11-21 | 合肥安德科铭半导体科技有限公司 | 一种原子层沉积含Ru薄膜的方法 |
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| KR100385946B1 (ko) * | 1999-12-08 | 2003-06-02 | 삼성전자주식회사 | 원자층 증착법을 이용한 금속층 형성방법 및 그 금속층을장벽금속층, 커패시터의 상부전극, 또는 하부전극으로구비한 반도체 소자 |
| US6951804B2 (en) * | 2001-02-02 | 2005-10-04 | Applied Materials, Inc. | Formation of a tantalum-nitride layer |
| WO2003023835A1 (en) * | 2001-08-06 | 2003-03-20 | Genitech Co., Ltd. | Plasma enhanced atomic layer deposition (peald) equipment and method of forming a conducting thin film using the same thereof |
| KR100727372B1 (ko) * | 2001-09-12 | 2007-06-12 | 토소가부시키가이샤 | 루테늄착체, 그 제조방법 및 박막의 제조방법 |
| KR100760291B1 (ko) * | 2001-11-08 | 2007-09-19 | 에이에스엠지니텍코리아 주식회사 | 박막 형성 방법 |
| US6824816B2 (en) * | 2002-01-29 | 2004-11-30 | Asm International N.V. | Process for producing metal thin films by ALD |
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| US20050045092A1 (en) * | 2003-09-03 | 2005-03-03 | Taiwan Semiconductor Manufacturing Co. | Method of multi-element compound deposition by atomic layer deposition for IC barrier layer applications |
| US7700474B2 (en) * | 2006-04-07 | 2010-04-20 | Tokyo Electron Limited | Barrier deposition using ionized physical vapor deposition (iPVD) |
| US20050221021A1 (en) * | 2004-03-31 | 2005-10-06 | Tokyo Electron Limited | Method and system for performing atomic layer deposition |
| US7542164B2 (en) * | 2004-07-14 | 2009-06-02 | Xerox Corporation | Common exchange format architecture for color printing in a multi-function system |
| US7966969B2 (en) * | 2004-09-22 | 2011-06-28 | Asm International N.V. | Deposition of TiN films in a batch reactor |
| US7429402B2 (en) * | 2004-12-10 | 2008-09-30 | Applied Materials, Inc. | Ruthenium as an underlayer for tungsten film deposition |
| US7396766B2 (en) * | 2005-03-31 | 2008-07-08 | Tokyo Electron Limited | Low-temperature chemical vapor deposition of low-resistivity ruthenium layers |
| KR100652427B1 (ko) * | 2005-08-22 | 2006-12-01 | 삼성전자주식회사 | Ald에 의한 도전성 폴리실리콘 박막 형성 방법 및 이를이용한 반도체 소자의 제조 방법 |
-
2006
- 2006-06-09 US US11/423,197 patent/US7557047B2/en not_active Expired - Fee Related
-
2007
- 2007-05-17 JP JP2009514454A patent/JP4968552B2/ja active Active
- 2007-05-17 CN CN2007800210065A patent/CN101460660B/zh active Active
- 2007-05-17 EP EP07797518A patent/EP2027304A2/en not_active Withdrawn
- 2007-05-17 KR KR1020097000476A patent/KR101199055B1/ko not_active Expired - Fee Related
- 2007-05-17 WO PCT/US2007/069091 patent/WO2007146537A2/en not_active Ceased
- 2007-06-04 TW TW096119976A patent/TWI447784B/zh active
-
2009
- 2009-06-01 US US12/476,059 patent/US20090239389A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US7557047B2 (en) | 2009-07-07 |
| EP2027304A2 (en) | 2009-02-25 |
| WO2007146537A3 (en) | 2008-10-09 |
| JP2009540123A (ja) | 2009-11-19 |
| US20090239389A1 (en) | 2009-09-24 |
| CN101460660A (zh) | 2009-06-17 |
| WO2007146537A2 (en) | 2007-12-21 |
| US20070287300A1 (en) | 2007-12-13 |
| TW200814154A (en) | 2008-03-16 |
| KR20090018211A (ko) | 2009-02-19 |
| CN101460660B (zh) | 2012-08-08 |
| WO2007146537B1 (en) | 2008-12-18 |
| KR101199055B1 (ko) | 2012-11-07 |
| TWI447784B (zh) | 2014-08-01 |
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