JP5068713B2 - タングステン膜の形成方法 - Google Patents
タングステン膜の形成方法 Download PDFInfo
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- JP5068713B2 JP5068713B2 JP2008209259A JP2008209259A JP5068713B2 JP 5068713 B2 JP5068713 B2 JP 5068713B2 JP 2008209259 A JP2008209259 A JP 2008209259A JP 2008209259 A JP2008209259 A JP 2008209259A JP 5068713 B2 JP5068713 B2 JP 5068713B2
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims description 111
- 229910052721 tungsten Inorganic materials 0.000 title claims description 111
- 239000010937 tungsten Substances 0.000 title claims description 111
- 238000000034 method Methods 0.000 title claims description 52
- 238000012545 processing Methods 0.000 claims description 47
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 9
- 238000010926 purge Methods 0.000 claims description 7
- 230000003252 repetitive effect Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 description 119
- 239000007789 gas Substances 0.000 description 72
- 230000015572 biosynthetic process Effects 0.000 description 21
- 230000006911 nucleation Effects 0.000 description 17
- 238000010899 nucleation Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 12
- 238000005229 chemical vapour deposition Methods 0.000 description 10
- 239000002994 raw material Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000011534 incubation Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009789 rate limiting process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
-
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
- H01L21/28562—Selective deposition
-
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76876—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for deposition from the gas phase, e.g. CVD
-
- 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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrodes Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
処理容器内にMO−TiN膜からなるバリア膜が形成されたSi基板を載置する工程と、
前記処理容器にWF6ガスとSiH4ガスとを交互に繰り返して供給する繰り返し工程を含み、前記バリア膜上に第一のタングステン膜を形成する工程と、
前記処理容器に前記WF6ガスとH2ガスとを同時に供給し、前記第一のタングステン膜上に第二のタングステン膜を形成する工程とを含むタングステン膜の形成方法であって、
前記Si基板の載置後前記第一のタングステン膜の成膜前に、前記Si基板の表面にSiH4ガスを1kPa sec以上25kPa sec以下の供給量で供給する工程を設け、
前記第一のタングステン膜を形成する工程では、前記第一のタングステン膜を0.2nm以上20nm以下の膜厚で成膜し、
前記繰り返し工程では、前記Si基板の温度を150℃以上350℃以下に維持し、前記SiH4ガスの供給量を13Pa sec以上とし、前記WF6ガスの供給量を5Pa sec以上としたことを特徴とするタングステン膜の形成方法により解決することができる。
3 下地バリア膜3(MO−TiN膜)
5 タングステン極薄膜
6 主タングステン膜
7 リフレクタ
8 保持部材
10 載置台
14 加熱室
16 加熱ランプ
18 回転台
20 回転モーター
22 排気口
24 排気通路
26 ゲートバルブ
28 シャワーヘッド部
30 ガス噴出孔
32 ガス導入口
34 マスフローコントローラー
50 真空処理装置
60 処理容器
Claims (2)
- 処理容器内にMO−TiN膜からなるバリア膜が形成されたSi基板を載置する工程と、
前記処理容器にWF6ガスとSiH4ガスとを交互に繰り返して供給する繰り返し工程を含み、前記バリア膜上に第一のタングステン膜を形成する工程と、
前記処理容器に前記WF6ガスとH2ガスとを同時に供給し、前記第一のタングステン膜上に第二のタングステン膜を形成する工程とを含むタングステン膜の形成方法であって、
前記Si基板の載置後前記第一のタングステン膜の成膜前に、前記Si基板の表面にSiH4ガスを1kPa sec以上25kPa sec以下の供給量で供給する工程を設け、
前記第一のタングステン膜を形成する工程では、前記第一のタングステン膜を0.2nm以上20nm以下の膜厚で成膜し、
前記繰り返し工程では、前記Si基板の温度を150℃以上350℃以下に維持し、前記SiH4ガスの供給量を13Pa sec以上とし、前記WF6ガスの供給量を5Pa sec以上としたことを特徴とするタングステン膜の形成方法。 - 前記繰り返し工程は、前記WF6ガスまたはSiH4ガスの供給停止後に前記処理容器をH2ガスによりパージするパージ工程を含む請求項1記載のタングステン膜の形成方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008209259A JP5068713B2 (ja) | 2000-11-17 | 2008-08-15 | タングステン膜の形成方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000351716 | 2000-11-17 | ||
JP2000351716 | 2000-11-17 | ||
JP2008209259A JP5068713B2 (ja) | 2000-11-17 | 2008-08-15 | タングステン膜の形成方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002543685A Division JP2004514289A (ja) | 2000-11-17 | 2001-11-13 | 金属配線の形成方法および金属配線形成用半導体製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008283220A JP2008283220A (ja) | 2008-11-20 |
JP5068713B2 true JP5068713B2 (ja) | 2012-11-07 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2002543685A Pending JP2004514289A (ja) | 2000-11-17 | 2001-11-13 | 金属配線の形成方法および金属配線形成用半導体製造装置 |
JP2008209259A Expired - Lifetime JP5068713B2 (ja) | 2000-11-17 | 2008-08-15 | タングステン膜の形成方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2002543685A Pending JP2004514289A (ja) | 2000-11-17 | 2001-11-13 | 金属配線の形成方法および金属配線形成用半導体製造装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6913996B2 (ja) |
JP (2) | JP2004514289A (ja) |
KR (1) | KR100479283B1 (ja) |
CN (2) | CN100446218C (ja) |
AU (1) | AU2002214283A1 (ja) |
TW (1) | TWI281208B (ja) |
WO (1) | WO2002041379A1 (ja) |
Families Citing this family (27)
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JP4074461B2 (ja) * | 2002-02-06 | 2008-04-09 | 東京エレクトロン株式会社 | 成膜方法および成膜装置、半導体装置の製造方法 |
JP4007822B2 (ja) * | 2002-02-14 | 2007-11-14 | 富士通株式会社 | 配線構造の形成方法 |
JP4540939B2 (ja) * | 2003-03-24 | 2010-09-08 | 東京エレクトロン株式会社 | 処理装置 |
JP4770145B2 (ja) * | 2003-10-07 | 2011-09-14 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP5135710B2 (ja) * | 2006-05-16 | 2013-02-06 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP5384291B2 (ja) | 2008-11-26 | 2014-01-08 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理方法及び基板処理装置 |
US8623733B2 (en) | 2009-04-16 | 2014-01-07 | Novellus Systems, Inc. | Methods for depositing ultra thin low resistivity tungsten film for small critical dimension contacts and interconnects |
US9159571B2 (en) | 2009-04-16 | 2015-10-13 | Lam Research Corporation | Tungsten deposition process using germanium-containing reducing agent |
US10256142B2 (en) | 2009-08-04 | 2019-04-09 | Novellus Systems, Inc. | Tungsten feature fill with nucleation inhibition |
KR102131581B1 (ko) | 2012-03-27 | 2020-07-08 | 노벨러스 시스템즈, 인코포레이티드 | 텅스텐 피처 충진 |
JP5887201B2 (ja) * | 2012-05-14 | 2016-03-16 | 東京エレクトロン株式会社 | 基板処理方法、基板処理装置、基板処理プログラム、及び記憶媒体 |
US8853080B2 (en) | 2012-09-09 | 2014-10-07 | Novellus Systems, Inc. | Method for depositing tungsten film with low roughness and low resistivity |
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 |
JP6437324B2 (ja) * | 2014-03-25 | 2018-12-12 | 東京エレクトロン株式会社 | タングステン膜の成膜方法および半導体装置の製造方法 |
US9953984B2 (en) | 2015-02-11 | 2018-04-24 | Lam Research Corporation | Tungsten for wordline applications |
US9754824B2 (en) | 2015-05-27 | 2017-09-05 | Lam Research Corporation | Tungsten films having low fluorine content |
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 |
KR20200032756A (ko) | 2017-08-14 | 2020-03-26 | 램 리써치 코포레이션 | 3차원 수직 nand 워드라인을 위한 금속 충진 프로세스 |
JP7009615B2 (ja) * | 2018-03-26 | 2022-01-25 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理方法、基板処理装置、およびプログラム |
US11549175B2 (en) | 2018-05-03 | 2023-01-10 | Lam Research Corporation | Method of depositing tungsten and other metals in 3D NAND structures |
US11972952B2 (en) | 2018-12-14 | 2024-04-30 | Lam Research Corporation | Atomic layer deposition on 3D NAND structures |
WO2020210260A1 (en) | 2019-04-11 | 2020-10-15 | Lam Research Corporation | High step coverage tungsten deposition |
CN114269963A (zh) | 2019-08-12 | 2022-04-01 | 朗姆研究公司 | 钨沉积 |
JP7101204B2 (ja) * | 2020-01-31 | 2022-07-14 | 株式会社Kokusai Electric | 半導体装置の製造方法、プログラム、基板処理装置及び基板処理方法 |
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2001
- 2001-11-13 CN CNB2006101494697A patent/CN100446218C/zh not_active Expired - Lifetime
- 2001-11-13 US US10/181,273 patent/US6913996B2/en not_active Expired - Lifetime
- 2001-11-13 JP JP2002543685A patent/JP2004514289A/ja active Pending
- 2001-11-13 AU AU2002214283A patent/AU2002214283A1/en not_active Abandoned
- 2001-11-13 KR KR10-2002-7009180A patent/KR100479283B1/ko not_active IP Right Cessation
- 2001-11-13 WO PCT/JP2001/009924 patent/WO2002041379A1/en active IP Right Grant
- 2001-11-13 CN CNB018037348A patent/CN1295756C/zh not_active Expired - Fee Related
- 2001-11-16 TW TW090128514A patent/TWI281208B/zh not_active IP Right Cessation
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Also Published As
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JP2004514289A (ja) | 2004-05-13 |
AU2002214283A1 (en) | 2002-05-27 |
WO2002041379A1 (en) | 2002-05-23 |
JP2008283220A (ja) | 2008-11-20 |
US6913996B2 (en) | 2005-07-05 |
CN1956166A (zh) | 2007-05-02 |
CN100446218C (zh) | 2008-12-24 |
KR20020079783A (ko) | 2002-10-19 |
KR100479283B1 (ko) | 2005-03-28 |
CN1395743A (zh) | 2003-02-05 |
TWI281208B (en) | 2007-05-11 |
CN1295756C (zh) | 2007-01-17 |
US20030003729A1 (en) | 2003-01-02 |
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