JP2010255103A - 処理装置 - Google Patents
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- 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
- C23C16/4402—Reduction of impurities in the source gas
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- 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
- C23C16/448—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 generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
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- 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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- C23C16/4488—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 generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by in situ generation of reactive gas by chemical or electrochemical reaction
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- 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
- C23C16/448—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 generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
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- 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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- 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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Abstract
【解決手段】被処理体に対して処理を行うための処理容器を備えた処理装置において、少なくとも一部が金属により構成され、ハロゲンを含む腐食性ガスを前記処理容器に供給するためのガス供給流路と、前記ガス供給流路における金属部分を通流した前記腐食性のガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、前記腐食性ガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えるように処理装置を構成し、前記化合物が処理容器に供給されることを防ぐ。
【選択図】図1
Description
少なくとも一部が金属により構成され、ハロゲンを含む腐食性ガスを前記処理容器に供給するためのガス供給流路と、
前記ガス供給流路における金属部分を通流した前記腐食性のガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、前記腐食性ガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、
このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えたことを特徴とする。例えば前記ガス供給流路において、エネルギー供給部によりエネルギーが供給される供給部位またはその供給部位の下流側の流路を構成する壁面は、前記部位の上流側の流路を構成する壁面よりも前記腐食性ガスに対する耐腐食性が高く構成され、その場合前記供給部位の流路を構成する壁面またはその供給部位の下流側の流路を構成する壁面はシリコン、シリカ、ダイヤモンド・ライク・カーボン、アルミナまたはフッ素樹脂のいずれかにより構成されている。
前記処理容器に接続され、少なくとも一部が金属により構成された排気流路と、
前記排気流路における金属部分から処理容器に向けて拡散したガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、排気流路におけるガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、
このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えたことを特徴とする。
付属機器を取り付けるために前記処理容器に接続され、少なくとも一部が金属により構成された補助流路と、
前記補助流路における金属部分から処理容器に向けて拡散したガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、補助流路におけるガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、
このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えたことを特徴とする。
既述の処理容器11に、図9に示す配管系7を接続した。フィルタ32及びエネルギー供給部4が介設された配管は、フレキシブル配管及び硬質な配管を接続して構成されている。図中71、72は配管の接続部を示している。この接続部71,72間の配管73としては、金属汚染の発生源とするために、その内周面がSUSにより構成された新品のフレキシブル配管を使用した。また、接続部72とエネルギー供給部との間の配管74としてはその内周面がSUSにより構成された新品のフレキシブル配管を使用した。また、図中のフィルタ32とバルブV1との間の配管75としては、その内周面がシリカコートにより構成されたフレキシブル配管を使用した。配管73,74,75の長さは夫々30cm、30cm、50cmである。また、図中のバルブV1と接続部71との間、エネルギー供給部4とフィルタ32との間は、夫々硬質な配管76,77により接続されており、これら配管76の内壁面はSUSにより構成され、配管77の内壁面はシリカコートにより構成されている。各配管の口径は1/4インチ(6.35mm)である。配管75,77の内周面をシリカコートで構成したのは既述のように、エネルギー供給部4の下流側での腐食を抑えるためであり、シリカ以外にも既述の腐食を抑えることができる各材質により構成してもよい。
実施例1で処理容器11からウエハW1を搬出後、前記N2ガスを供給している間に他のウエハW(便宜上ウエハW2とする)を搬入し、実施例1のステップA〜ステップBまでの処理を行った。ただし、HBrガスの供給時にヒータ44の温度を150℃にした。ステップBの処理容器11の雰囲気の切り替え後は、ウエハW2を処理容器11から取り出し、ICP質量分析によりウエハW2に付着したFe及びCrの量について測定した。
実施例1と同様の配管系7とガス供給系とにより構成された装置を用いて、実施例1と略同様の手順で実験を行った。ただし、この配管系7においてはフィルタ32を設けていない。
実施例3で処理容器11からウエハW3を搬出後、前記N2ガスを供給している間に他のウエハW(便宜上ウエハW4とする)を搬入し、実施例1のステップA〜ステップBまでの処理を行った。ただし、HBrガスの供給時にヒータ44の温度を35℃にした。ステップBの処理容器11の雰囲気を切り替え後は、ウエハW4を処理容器11から取り出し、ICP質量分析によりウエハW4に付着したFe及びCrの量について測定した。
実施例1と同様の手順で実験を行った。ただし、この比較例1では配管系7にエネルギー供給部4を設けなかった。
1 成膜装置
11 処理容器
12 載置台
21 ガスシャワーヘッド
31 ガス供給配管
32 フィルタ
4 エネルギー供給部
41 内管
44 ヒータ
45 ボール
100 制御部
Claims (10)
- 被処理体に対して処理を行うための処理容器を備えた処理装置において、
少なくとも一部が金属により構成され、ハロゲンを含む腐食性ガスを前記処理容器に供給するためのガス供給流路と、
前記ガス供給流路における金属部分を通流した前記腐食性のガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、前記腐食性ガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、
このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えたことを特徴とする処理装置。 - 前記ガス供給流路において、エネルギー供給部によりエネルギーが供給される供給部位またはその供給部位の下流側の流路を構成する壁面は、前記部位の上流側の流路を構成する壁面よりも前記腐食性ガスに対する耐腐食性が高いことを特徴とする請求項1記載の処理装置。
- 前記供給部位の流路を構成する壁面またはその供給部位の下流側の流路を構成する壁面はシリコン、シリカ、ダイヤモンド・ライク・カーボン、アルミナまたはフッ素樹脂のいずれかにより構成されていることを特徴とする請求項2記載の処理装置。
- 被処理体に対して処理を行うための処理容器を備え、この処理容器にはハロゲンを含む腐食性ガスが供給される処理装置において、
前記処理容器に接続され、少なくとも一部が金属により構成された排気流路と、
前記排気流路における金属部分から処理容器に向けて拡散したガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、排気流路におけるガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、
このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えたことを特徴とする処理装置。 - 被処理体に対して処理を行うための処理容器を備え、この処理容器にはハロゲンを含む腐食性ガスが供給される処理装置において、
付属機器を取り付けるために前記処理容器に接続され、少なくとも一部が金属により構成された補助流路と、
前記補助流路における金属部分から処理容器に向けて拡散したガスに光エネルギー、熱エネルギー及び衝突エネルギーの少なくとも一つを供給して、補助流路におけるガス中のハロゲンと前記金属とを含む化合物を安定化させるためのエネルギー供給部と、
このエネルギー供給部によりエネルギーが供給されて安定化した化合物を捕捉する捕捉手段と、を備えたことを特徴とする処理装置。 - 前記エネルギー供給手段は、腐食性のガスが衝突して当該ガスに衝突エネルギーを与えるための、前記流路内に充填された非金属からなる充填物であることを特徴とする請求項1ないし4のいずれか一つに記載の処理装置。
- 前記充填物は、前記捕捉手段を兼用していることを特徴とする請求項6記載の処理装置。
- 前記充填物は、セラミックスからなる球状体の群であることを特徴とする請求項6または7記載の処理装置。
- 前記充填物を加熱するための加熱手段及び前記充填物に光を照射する光照射手段の少なくとも一方を備えていることを特徴とする請求項6ないし8のいずれか一つに記載の処理装置。
- 前記充填物には、前記化合物を安定化させるための触媒が担持されていることを特徴とする請求項6ないし9のいずれか一つに記載の処理装置。
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CN102341902A (zh) * | 2009-03-03 | 2012-02-01 | 东京毅力科创株式会社 | 载置台结构、成膜装置和原料回收方法 |
JP5501807B2 (ja) * | 2009-03-31 | 2014-05-28 | 東京エレクトロン株式会社 | 処理装置 |
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US20110237051A1 (en) * | 2010-03-26 | 2011-09-29 | Kenneth Lee Hess | Process and apparatus for deposition of multicomponent semiconductor layers |
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JPH04277045A (ja) * | 1991-03-01 | 1992-10-02 | Hitachi Ltd | 気体用フィルタ |
JP2008037712A (ja) * | 2006-08-08 | 2008-02-21 | Taiyo Nippon Sanso Corp | ホウ素系ガス中の金属不純物の除去方法 |
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JP2013232624A (ja) * | 2012-04-06 | 2013-11-14 | Hitachi Kokusai Electric Inc | 半導体装置の製造方法、基板処理方法、基板処理装置、気化システムおよびミストフィルタ |
JP2016181563A (ja) * | 2015-03-23 | 2016-10-13 | 東京エレクトロン株式会社 | 熱処理装置 |
JP2017084882A (ja) * | 2015-10-23 | 2017-05-18 | 株式会社日立ハイテクノロジーズ | 半導体製造装置のガス排気方法 |
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CN102356451A (zh) | 2012-02-15 |
KR20110131318A (ko) | 2011-12-06 |
WO2010113946A1 (ja) | 2010-10-07 |
US9150965B2 (en) | 2015-10-06 |
CN102356451B (zh) | 2014-02-19 |
US20120055402A1 (en) | 2012-03-08 |
KR101299841B1 (ko) | 2013-08-23 |
JP5501807B2 (ja) | 2014-05-28 |
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