JP6400227B2 - 半導体製造装置のクリーニング方法 - Google Patents
半導体製造装置のクリーニング方法 Download PDFInfo
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- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6332—Deposition from the gas or vapour phase using thermal evaporation
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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
- C23C16/4401—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
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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
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- 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
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
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- 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
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/26—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
- H10P50/264—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
- H10P50/266—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only
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- H—ELECTRICITY
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- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
- H10P50/283—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
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- 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
- H10P70/00—Cleaning of wafers, substrates or parts of devices
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- 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
- H10P70/00—Cleaning of wafers, substrates or parts of devices
- H10P70/10—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H10P70/12—Cleaning before device manufacture, i.e. Begin-Of-Line process by dry cleaning only
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- 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
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0402—Apparatus for fluid treatment
- H10P72/0406—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H10P72/0408—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for drying
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- 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
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
- H10P72/0602—Temperature monitoring
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- 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
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/90—Thermal treatments, e.g. annealing or sintering
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
Description
半導体装置の製造に用いられる処理室または処理容器の内部において、処理操作後に処理室または処理容器の内部に付着したSiを含有する堆積物を除去する際に、この処理室または処理容器内にXF(XはCl、Br又はI)で示されるモノフルオロハロゲンガスを供給することで、Siを含有する堆積物を除去することを特徴とするクリーニング方法であって、処理室または処理容器内に前記モノフルオロハロゲンガスを供給した際の処理室または処理容器内の温度が400℃以上である、方法。
前記処理室または処理容器内の温度が400℃以上、2000℃未満である、[1]に記載の方法。
前記処理室または処理容器内の温度が400℃以上、800℃以下である、[1]に記載の方法。
前記モノフルオロハロゲンガスがClFを含む、[1]〜[3]のいずれかに記載の方法。
前記Siを含有する堆積物が二酸化珪素(SiO2)、シリコン窒化物(SiN)、炭化珪素(SiC)、多結晶シリコン(Poly−Si)、単結晶シリコン、アモルファスシリコン(a−Si)、シリコン酸窒化物(SiON)、シリコン炭窒化物(SiCN)、シリコン酸炭窒化物(SiOCN)の1以上を含む[1]〜[4]のいずれかに記載の方法。
(1)半導体製造装置処理室または処理容器内部にダメージを与えないクリーニングガス組成物のため、ダメージに起因するパーティクルの発生を抑え半導体装置製造の歩留まりを高めるとともに、成膜装置の寿命を伸ばすことができる。
(2)制御性の高いクリーニングガス組成物のため、半導体製造装置処理室または処理容器内部に局所的に温度が高い箇所が存在した場合であっても、過剰な反応が起こらず、ダメージを抑制することができる。
(3)高温の条件(400℃以上)においても高い制御性を有するため、過剰な反応が起こらず、半導体製造装置処理室または処理容器内部へのダメージを抑制することができる。
(4)Si、C、S、B、P、As、W、Ge、Ta、Ir、Ptなどフッ素化することで蒸気圧の高いフッ素化物を生成する元素から構成される堆積物を効率よく除去し、処理室または処理容器内部を清浄な状態にクリーニングすることが可能である。
(5)Fと結合するX(XはCl、Br又はI)の効果によって、Al、Ga、Zn、Hf、Zrなどハロゲン元素と結合し蒸気圧の高いフッ素化物を生成する元素から構成される堆積物を効率よく除去し、処理室または処理容器内部を清浄な状態にクリーニングすることが可能である。
(6)一般的に熱CVD法による成膜プロセスは400℃以上の高温で行われるため、従来のクリーニング方法では装置へのダメージ抑制のために成膜プロセスの温度からクリーニングに適した温度へと処理室または処理容器内部の温度を低下させることが推奨される。しかし、本発明のクリーニングガス組成物を用いることで成膜プロセスと近い温度で制御性良くクリーニングすることが可能なため、温度調節の時間を短縮することが可能で、生産性の向上が期待できる。
Claims (2)
- 半導体装置の製造に用いられる処理室または処理容器の内部において、処理操作後に処理室または処理容器の内部に付着したSiを含有する堆積物を除去する際に、この処理室または処理容器内にClFで示されるモノフルオロハロゲンガスを供給することで、プラズマを使用せずに、Siを含有する堆積物を除去することを特徴とするクリーニング方法であって、処理室または処理容器の内部の材質が、グラファイト(C)、アルミナ(Al2O3)及び窒化アルミニウム(AlN)からなる群から選ばれる少なくとも1つを含み、処理室または処理容器内に前記モノフルオロハロゲンガスを供給した際の処理室または処理容器内の温度が400℃以上、600℃以下である、方法。
- 前記Siを含有する堆積物が二酸化珪素(SiO2)、シリコン窒化物(SiN)、炭化珪素(SiC)、多結晶シリコン(Poly−Si)、単結晶シリコン、アモルファスシリコン(a−Si)、シリコン酸窒化物(SiON)、シリコン炭窒化物(SiCN)、シリコン酸炭窒化物(SiOCN)の1以上を含む請求項1に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016075877 | 2016-04-05 | ||
| JP2016075877 | 2016-04-05 | ||
| PCT/JP2017/012976 WO2017175643A1 (ja) | 2016-04-05 | 2017-03-29 | 半導体製造装置のクリーニング方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2018069062A Division JP2018129527A (ja) | 2016-04-05 | 2018-03-30 | 半導体製造装置のクリーニング方法 |
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| Publication Number | Publication Date |
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| JPWO2017175643A1 JPWO2017175643A1 (ja) | 2018-04-12 |
| JP6400227B2 true JP6400227B2 (ja) | 2018-10-03 |
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| JP2017548318A Active JP6400227B2 (ja) | 2016-04-05 | 2017-03-29 | 半導体製造装置のクリーニング方法 |
| JP2018069062A Pending JP2018129527A (ja) | 2016-04-05 | 2018-03-30 | 半導体製造装置のクリーニング方法 |
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| JP2018069062A Pending JP2018129527A (ja) | 2016-04-05 | 2018-03-30 | 半導体製造装置のクリーニング方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11434565B2 (ja) |
| EP (1) | EP3442009B1 (ja) |
| JP (2) | JP6400227B2 (ja) |
| KR (1) | KR102237848B1 (ja) |
| CN (1) | CN108885995A (ja) |
| TW (1) | TWI732848B (ja) |
| WO (1) | WO2017175643A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021171986A1 (ja) | 2020-02-26 | 2021-09-02 | 昭和電工株式会社 | ドライエッチング方法、半導体素子の製造方法、及びクリーニング方法 |
| CN116197184B (zh) * | 2023-03-29 | 2024-08-23 | 通威太阳能(眉山)有限公司 | 一种Poly舟的清洗方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04181734A (ja) | 1990-11-16 | 1992-06-29 | Central Glass Co Ltd | CVDSiO↓2のクリーニング方法 |
| US5616208A (en) * | 1993-09-17 | 1997-04-01 | Tokyo Electron Limited | Vacuum processing apparatus, vacuum processing method, and method for cleaning the vacuum processing apparatus |
| JPH09129557A (ja) | 1995-10-27 | 1997-05-16 | Shin Etsu Handotai Co Ltd | 薄膜の製造方法 |
| JP2768666B2 (ja) | 1997-08-12 | 1998-06-25 | セントラル硝子株式会社 | 薄膜形成装置内の付着物を除去する方法 |
| JP2000265276A (ja) | 1999-01-12 | 2000-09-26 | Central Glass Co Ltd | クリーニングガス |
| JP2001267241A (ja) | 2000-03-10 | 2001-09-28 | L'air Liquide | クリーニング方法及び装置並びにエッチング方法及び装置 |
| US6537429B2 (en) | 2000-12-29 | 2003-03-25 | Lam Research Corporation | Diamond coatings on reactor wall and method of manufacturing thereof |
| US6818566B2 (en) | 2002-10-18 | 2004-11-16 | The Boc Group, Inc. | Thermal activation of fluorine for use in a semiconductor chamber |
| JP2007141895A (ja) | 2005-11-14 | 2007-06-07 | Tokyo Electron Ltd | 載置台構造及び成膜装置 |
| JP2009076590A (ja) * | 2007-09-19 | 2009-04-09 | Hitachi Kokusai Electric Inc | クリーニング方法 |
| JP2011096937A (ja) | 2009-10-30 | 2011-05-12 | Ulvac Japan Ltd | 真空励起管の洗浄方法及び真空処理装置 |
| JP5691163B2 (ja) * | 2009-12-01 | 2015-04-01 | セントラル硝子株式会社 | クリーニングガス |
| JP5550412B2 (ja) | 2010-03-29 | 2014-07-16 | 岩谷産業株式会社 | 真空吸気配管のクリーニング方法 |
| KR20160123575A (ko) | 2015-04-16 | 2016-10-26 | 삼성전자주식회사 | 전자 소자 제조 장치와 세정 방법 및 이를 이용한 전자 소자의 제조 방법 |
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2017
- 2017-03-29 EP EP17779022.7A patent/EP3442009B1/en active Active
- 2017-03-29 JP JP2017548318A patent/JP6400227B2/ja active Active
- 2017-03-29 US US16/091,202 patent/US11434565B2/en active Active
- 2017-03-29 CN CN201780021239.9A patent/CN108885995A/zh active Pending
- 2017-03-29 KR KR1020187028917A patent/KR102237848B1/ko active Active
- 2017-03-29 WO PCT/JP2017/012976 patent/WO2017175643A1/ja not_active Ceased
- 2017-04-05 TW TW106111412A patent/TWI732848B/zh active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2018129527A (ja) | 2018-08-16 |
| EP3442009A1 (en) | 2019-02-13 |
| EP3442009B1 (en) | 2022-05-04 |
| TWI732848B (zh) | 2021-07-11 |
| CN108885995A (zh) | 2018-11-23 |
| JPWO2017175643A1 (ja) | 2018-04-12 |
| KR20180132670A (ko) | 2018-12-12 |
| KR102237848B1 (ko) | 2021-04-07 |
| EP3442009A4 (en) | 2019-11-20 |
| US20190112705A1 (en) | 2019-04-18 |
| TW201802942A (zh) | 2018-01-16 |
| US11434565B2 (en) | 2022-09-06 |
| WO2017175643A1 (ja) | 2017-10-12 |
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