JP2708533B2 - Cvd装置の残留ガス除去方法 - Google Patents
Cvd装置の残留ガス除去方法Info
- Publication number
- JP2708533B2 JP2708533B2 JP1061508A JP6150889A JP2708533B2 JP 2708533 B2 JP2708533 B2 JP 2708533B2 JP 1061508 A JP1061508 A JP 1061508A JP 6150889 A JP6150889 A JP 6150889A JP 2708533 B2 JP2708533 B2 JP 2708533B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- cvd
- fluorine
- chamber
- plasma
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 11
- 229910052731 fluorine Inorganic materials 0.000 claims description 26
- 239000011737 fluorine Substances 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 15
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 24
- 239000007789 gas Substances 0.000 description 23
- 235000012431 wafers Nutrition 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4405—Cleaning of reactor or parts inside the reactor by using reactive gases
-
- 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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4404—Coatings or surface treatment on the inside of the reaction chamber or on parts thereof
Landscapes
- 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)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical Vapour Deposition (AREA)
- Formation Of Insulating Films (AREA)
- Drying Of Semiconductors (AREA)
- Sampling And Sample Adjustment (AREA)
Description
後にチャンバー内に残留したフッ素ガスを効率良く除去
あるいは抑え込むことにより,均一で,不純物の極めて
少ない成膜を可能にすることを目的とし, フッ素を含有するガスを用いてプラズマ・セルフ・ク
リーニングを行う型のCVD装置において,フッ素を含有
するガスを用いてプラズマ・セルフ・クリーニングを行
った後,予めチャンバー内をプラズマ窒化シリコン膜で
コーティングし,その後,CVD膜の成長を行うように構成
する。
る。そのため,チャンバー内の洗浄をプラズマを用いた
セルフ・クリーニングにして,CVD装置のダウン・タイム
を小さくしている。
用いてプラズマ・セルフ・クリーニングを行った後,ウ
ェハ上にCVD膜を成長させる前に,予め目的のCVD膜と同
じ膜をチャンバー内に数μmの厚さにコーティングして
いた。
た場合,プラズマ・セルフ・クリーニングで用いたCF4,
SF6,NF3などのフッ素を含有するガスを除去することや
抑えることができず,ウェハ上に成長したSiO2膜やPSG
膜の中にフッ素が混入していた。
合を説明する。
グを行った後,Siウェハ上にSiO2膜を成長させる前に,
予めSiO2膜をチャンバー内に3μmの厚さにコーティン
グし,その後,Siウェハ上にCVDSiO2膜を成長させた。
す。同図から,SiO2膜中に高濃度のフッ素が混入してい
ることがわかる。
などのCVD膜中にフッ素が混入してしまうため,膜質が
劣化する,という問題があった。
マ・セルフ・クリーニング後にチャンバー内に残留した
フッ素ガスを効率良く除去あるいは抑え込むことによ
り,均一で,不純物の極めて少ない成膜を可能にした,C
VD装置の残留ガス除去方法を提供することを目的とす
る。
の残留ガス除去方法は,フッ素を含有するガスを用いて
プラズマ・セルフ・クリーニングを行う型のCVD装置に
おいて,フッ素を含有するガスを用いてプラズマ・セル
フ・クリーニングを行った後,予めチャンバー内をプラ
ズマ窒化シリコン膜でコーティングし,その後,CVD膜の
成長を行うように構成する。
リーニングを行う型のCVD装置において,フッ素を含有
するガスを用いてプラズマ・セルフ・クリーニングを行
うと,チャンバー内にフッ素ガスが残留する。
従来は,予め目的のCVD膜と同じ膜でチャンバー内をコ
ーティングする方法を用いていた。しかしながら,この
方法では,残留フッ素ガスを充分に除去あるいは抑え込
むことができず,成長したCVD膜中にフッ素が高濃度に
混入してしまい,その結果,膜質が劣化する,という問
題が生じていた。これに対して,本発明では,残留フッ
素ガスを除去あるいは抑え込むために,予めチャンバー
内をプラズマ窒化シリコン膜でコーティングし,その
後,目的のCVD膜の成長を行うようにしている。この結
果,成長したCVD膜中に混入するフッ素の濃度は,従来
の方法に比べて,充分に低くなる。したがって,成長し
たCVD膜は,均一で,不純物の極めて少ないものが得ら
れる。
定した成膜が可能になる。
せた例を説明する。
流し,13.56MHz,300WのRFを印加して,チャンバー内のプ
ラズマ・セルフ・クリーニングを行う。
c/min,N2を200cc/minの流量でそれぞれ流し,13.56MHz,3
00WのRFを印加して,チャンバー内を厚さ0.3μmのプラ
ズマSiN膜でコーティングする。
内の圧力を1Torr,ウェハの温度を400℃にし,SiH4を20cc
/min,O2を1/min,N2を1/minの流量でそれぞれ流し
て,Siウェハの上に厚さ1μmのCVDSiO2膜を成長させ
る。
SIMS分析結果を第2図に示す。
すると,本実施例の場合,従来例に比べて,Siウェハ上
に成長させたCVDSiO2膜中のフッ素の混入が極めて少な
いことがわかる。
ズマ・セルフ・クリーニング後にチャンバー内に残留し
たフッ素を含有するガスを効率良く除去あるいは抑え込
むことができるので,均一で,不純物の極めて少ない成
膜が可能となり,高品質なCVD膜が得られる。
Claims (1)
- 【請求項1】フッ素を含有するガスを用いてプラズマ・
セルフ・クリーニングを行う型のCVD装置において, フッ素を含有するガスを用いてプラズマ・セルフ・クリ
ーニングを行った後,予めチャンバー内をプラズマ窒化
シリコン膜でコーティングし,その後,CVD膜の成長を行
う ことを特徴とするCVD装置の残留ガス除去方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1061508A JP2708533B2 (ja) | 1989-03-14 | 1989-03-14 | Cvd装置の残留ガス除去方法 |
DE90104203T DE69004715D1 (de) | 1989-03-14 | 1990-03-05 | Chemisches Vakuumbeschichtungsverfahren. |
EP90104203A EP0387656B1 (en) | 1989-03-14 | 1990-03-05 | Chemical vapor deposition method |
US07/490,887 US5041311A (en) | 1989-03-14 | 1990-03-09 | Chemical vapor deposition method using a plasma self-cleaning |
KR1019900003258A KR940011741B1 (ko) | 1989-03-14 | 1990-03-12 | 화학증착법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1061508A JP2708533B2 (ja) | 1989-03-14 | 1989-03-14 | Cvd装置の残留ガス除去方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02240267A JPH02240267A (ja) | 1990-09-25 |
JP2708533B2 true JP2708533B2 (ja) | 1998-02-04 |
Family
ID=13173105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1061508A Expired - Lifetime JP2708533B2 (ja) | 1989-03-14 | 1989-03-14 | Cvd装置の残留ガス除去方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5041311A (ja) |
EP (1) | EP0387656B1 (ja) |
JP (1) | JP2708533B2 (ja) |
KR (1) | KR940011741B1 (ja) |
DE (1) | DE69004715D1 (ja) |
Families Citing this family (48)
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US5326723A (en) * | 1992-09-09 | 1994-07-05 | Intel Corporation | Method for improving stability of tungsten chemical vapor deposition |
JPH06349916A (ja) * | 1993-04-30 | 1994-12-22 | Applied Materials Inc | 基板上の粒子検出方法及び装置 |
US5486235A (en) * | 1993-08-09 | 1996-01-23 | Applied Materials, Inc. | Plasma dry cleaning of semiconductor processing chambers |
JPH0793276B2 (ja) * | 1993-12-14 | 1995-10-09 | アプライド マテリアルズ インコーポレイテッド | 薄膜形成前処理方法および薄膜形成方法 |
JPH0799744B2 (ja) * | 1993-12-27 | 1995-10-25 | アプライド マテリアルズ インコーポレイテッド | 薄膜形成方法 |
EP0661731B1 (en) * | 1993-12-28 | 2000-05-31 | Applied Materials, Inc. | A single chamber CVD process for thin film transistors |
WO1995034916A1 (fr) * | 1994-06-15 | 1995-12-21 | Seiko Epson Corporation | Fabrication d'un equipement a semi-conducteurs a couches minces, equipement a semi-conducteurs a couches minces, afficheur a cristaux liquides et equipement electronique |
JP3471082B2 (ja) * | 1994-07-15 | 2003-11-25 | 株式会社東芝 | Cvd装置の反応室のコーティング方法 |
JPH0867984A (ja) * | 1994-08-26 | 1996-03-12 | Iwatani Internatl Corp | プラズマcvdでのクリーニング方法 |
US6127261A (en) * | 1995-11-16 | 2000-10-03 | Advanced Micro Devices, Inc. | Method of fabricating an integrated circuit including a tri-layer pre-metal interlayer dielectric compatible with advanced CMOS technologies |
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US5843838A (en) * | 1995-12-27 | 1998-12-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | Modified clean recipe to suppress formation of BPSG bubble |
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US6020035A (en) | 1996-10-29 | 2000-02-01 | Applied Materials, Inc. | Film to tie up loose fluorine in the chamber after a clean process |
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US6624064B1 (en) * | 1997-10-10 | 2003-09-23 | Applied Materials, Inc. | Chamber seasoning method to improve adhesion of F-containing dielectric film to metal for VLSI application |
US6323119B1 (en) | 1997-10-10 | 2001-11-27 | Applied Materials, Inc. | CVD deposition method to improve adhesion of F-containing dielectric metal lines for VLSI application |
US5970383A (en) * | 1997-12-17 | 1999-10-19 | Advanced Micro Devices | Method of manufacturing a semiconductor device with improved control of deposition layer thickness |
US6635569B1 (en) * | 1998-04-20 | 2003-10-21 | Tokyo Electron Limited | Method of passivating and stabilizing a Ti-PECVD process chamber and combined Ti-PECVD/TiN-CVD processing method and apparatus |
US6067999A (en) * | 1998-04-23 | 2000-05-30 | International Business Machines Corporation | Method for deposition tool cleaning |
DE19844025A1 (de) * | 1998-09-25 | 2000-03-30 | Inst Oberflaechenmodifizierung | Reaktives Ionen(strahl)ätzen von Oberflächen |
FR2784228B1 (fr) * | 1998-10-01 | 2002-01-11 | France Telecom | PROCEDE DE FORMATION D'UN FILM ANTIREFLECHISSANT SiON, NON-POLLUANT VIS-VIS DES RESINES PHOTORESISTANTES POUR U.V. LOINTAIN |
US6159333A (en) * | 1998-10-08 | 2000-12-12 | Applied Materials, Inc. | Substrate processing system configurable for deposition or cleaning |
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JP4570186B2 (ja) * | 1999-11-04 | 2010-10-27 | キヤノンアネルバ株式会社 | プラズマクリーニング方法 |
US6426015B1 (en) * | 1999-12-14 | 2002-07-30 | Applied Materials, Inc. | Method of reducing undesired etching of insulation due to elevated boron concentrations |
US6573030B1 (en) | 2000-02-17 | 2003-06-03 | Applied Materials, Inc. | Method for depositing an amorphous carbon layer |
TW522475B (en) * | 2000-05-12 | 2003-03-01 | Applied Materials Inc | Method for improving chemical vapor deposition processing |
WO2002023594A2 (en) * | 2000-09-15 | 2002-03-21 | Mattson Thermal Products Gmbh | Apparatus and method for reducing contamination on thermally processed semiconductor substrates |
JP4897159B2 (ja) * | 2001-08-03 | 2012-03-14 | 株式会社日立国際電気 | 半導体装置の製造方法 |
JP4700236B2 (ja) * | 2001-08-03 | 2011-06-15 | 株式会社日立国際電気 | 半導体装置の製造方法および基板処理装置 |
JP4430918B2 (ja) * | 2003-03-25 | 2010-03-10 | 東京エレクトロン株式会社 | 薄膜形成装置の洗浄方法及び薄膜形成方法 |
US20050221020A1 (en) * | 2004-03-30 | 2005-10-06 | Tokyo Electron Limited | Method of improving the wafer to wafer uniformity and defectivity of a deposited dielectric film |
US20050260354A1 (en) * | 2004-05-20 | 2005-11-24 | Varian Semiconductor Equipment Associates, Inc. | In-situ process chamber preparation methods for plasma ion implantation systems |
KR100755116B1 (ko) * | 2006-08-01 | 2007-09-04 | 동부일렉트로닉스 주식회사 | Pecvd 실리콘 나이트라이드막 형성 방법 |
JP5202372B2 (ja) * | 2008-03-14 | 2013-06-05 | 東京エレクトロン株式会社 | 成膜装置のメタル汚染低減方法、半導体装置の製造方法、記憶媒体及び成膜装置 |
CN103219226B (zh) * | 2013-04-09 | 2015-12-02 | 上海华力微电子有限公司 | 降低在沉积非晶碳膜时晶圆背面金属污染的方法 |
CN103219227A (zh) * | 2013-04-09 | 2013-07-24 | 上海华力微电子有限公司 | 等离子体清洗方法 |
TWI567823B (zh) * | 2014-12-22 | 2017-01-21 | 群創光電股份有限公司 | 顯示面板與其製造方法 |
CN115053015A (zh) * | 2020-02-07 | 2022-09-13 | 朗姆研究公司 | 处理室的原位表面涂层 |
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US4058638A (en) * | 1974-12-19 | 1977-11-15 | Texas Instruments Incorporated | Method of optical thin film coating |
NL7906996A (nl) * | 1979-09-20 | 1981-03-24 | Philips Nv | Werkwijze voor het reinigen van een reaktor. |
US4629635A (en) * | 1984-03-16 | 1986-12-16 | Genus, Inc. | Process for depositing a low resistivity tungsten silicon composite film on a substrate |
US4579609A (en) * | 1984-06-08 | 1986-04-01 | Massachusetts Institute Of Technology | Growth of epitaxial films by chemical vapor deposition utilizing a surface cleaning step immediately before deposition |
ES2081806T3 (es) * | 1987-06-26 | 1996-03-16 | Applied Materials Inc | Procedimiento de autolimpieza de una camara de reactor. |
-
1989
- 1989-03-14 JP JP1061508A patent/JP2708533B2/ja not_active Expired - Lifetime
-
1990
- 1990-03-05 DE DE90104203T patent/DE69004715D1/de not_active Expired - Lifetime
- 1990-03-05 EP EP90104203A patent/EP0387656B1/en not_active Expired - Lifetime
- 1990-03-09 US US07/490,887 patent/US5041311A/en not_active Expired - Lifetime
- 1990-03-12 KR KR1019900003258A patent/KR940011741B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0387656A1 (en) | 1990-09-19 |
US5041311A (en) | 1991-08-20 |
EP0387656B1 (en) | 1993-11-24 |
DE69004715D1 (de) | 1994-01-05 |
KR940011741B1 (ko) | 1994-12-23 |
JPH02240267A (ja) | 1990-09-25 |
KR900015266A (ko) | 1990-10-26 |
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