JP5563347B2 - プラズマ処理装置及び半導体装置の製造方法 - Google Patents
プラズマ処理装置及び半導体装置の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 56
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 230000007246 mechanism Effects 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000009832 plasma treatment Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 38
- 238000001020 plasma etching Methods 0.000 description 25
- 238000005530 etching Methods 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 6
- 239000012212 insulator Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- 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
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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
- C23C16/50—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
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- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
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Description
Claims (6)
- 処理チャンバーと、
前記処理チャンバー内に設けられ、高周波電力が印加される導電性金属からなる基材を有し、被処理基板が載置される載置台を兼ねた下部電極と、
前記処理チャンバー内に設けられ、前記下部電極と対向するように配置された上部電極と、
前記下部電極上に、前記被処理基板の周囲を囲むように配設されたフォーカスリングと、
を具備したプラズマ処理装置であって、
前記下部電極の前記基材と前記フォーカスリングとの間に、電流制御素子を介して電気的な接続を行い電位差に応じて直流電流を発生させる電気的接続機構を配設し、
前記電気的接続機構は、前記フォーカスリングの裏面と前記下部電極の前記基材との間に介在する熱伝達用のシートと、前記熱伝達用のシート内に点在する複数の導電部とを具備した
ことを特徴とするプラズマ処理装置。 - 請求項1記載のプラズマ処理装置であって、
前記電流制御素子が抵抗素子からなることを特徴とするプラズマ処理装置。 - 請求項2記載のプラズマ処理装置であって、
前記抵抗素子は、前記下部電極の前記基材と前記フォーカスリングとが、20MΩ〜200MΩの抵抗値をもって電気的に接続されるよう構成されていることを特徴とするプラズマ処理装置。 - 請求項2又は3記載のプラズマ処理装置であって、
前記抵抗素子が溶射膜によって構成されていることを特徴とするプラズマ処理装置。 - 請求項1記載のプラズマ処理装置であって、
前記電流制御素子がツェナーダイオードからなることを特徴とするプラズマ処理装置。 - 処理チャンバーと、
前記処理チャンバー内に設けられ、高周波電力が印加される導電性金属からなる基材を有し、被処理基板が載置される載置台を兼ねた下部電極と、
前記処理チャンバー内に設けられ、前記下部電極と対向するように配置された上部電極と、
前記下部電極上に、前記被処理基板の周囲を囲むように配設されたフォーカスリングと、
を具備したプラズマ処理装置を用いて前記被処理基板にプラズマ処理を行い半導体装置を製造する半導体装置の製造方法であって、
前記下部電極の前記基材と前記フォーカスリングとの間に、電流制御素子を介して電気的な接続を行い電位差に応じて直流電流を発生させる電気的接続機構を配設し、当該電気的接続機構を通じて前記下部電極の前記基材と前記フォーカスリングとの間に直流電流が流れ得るようにした状態でプラズマ処理を行い、かつ、
前記電気的接続機構は、前記フォーカスリングの裏面と前記下部電極の前記基材との間に介在する熱伝達用のシートと、前記熱伝達用のシート内に点在する複数の導電部とを具備した
ことを特徴とする半導体装置の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010077282A JP5563347B2 (ja) | 2010-03-30 | 2010-03-30 | プラズマ処理装置及び半導体装置の製造方法 |
TW100111004A TWI533395B (zh) | 2010-03-30 | 2011-03-30 | 電漿處理裝置及半導體裝置之製造方法 |
US13/075,634 US9021984B2 (en) | 2010-03-30 | 2011-03-30 | Plasma processing apparatus and semiconductor device manufacturing method |
KR1020110028709A KR101695037B1 (ko) | 2010-03-30 | 2011-03-30 | 플라즈마 처리 장치 및 반도체 장치의 제조 방법 |
CN201110083707.XA CN102208322B (zh) | 2010-03-30 | 2011-03-30 | 等离子体处理装置和半导体装置的制造方法 |
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JP2010077282A JP5563347B2 (ja) | 2010-03-30 | 2010-03-30 | プラズマ処理装置及び半導体装置の製造方法 |
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JP5563347B2 true JP5563347B2 (ja) | 2014-07-30 |
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JP (1) | JP5563347B2 (ja) |
KR (1) | KR101695037B1 (ja) |
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TW483037B (en) * | 2000-03-24 | 2002-04-11 | Hitachi Ltd | Semiconductor manufacturing apparatus and method of processing semiconductor wafer using plasma, and wafer voltage probe |
TWI234417B (en) | 2001-07-10 | 2005-06-11 | Tokyo Electron Ltd | Plasma procesor and plasma processing method |
US6677167B2 (en) | 2002-03-04 | 2004-01-13 | Hitachi High-Technologies Corporation | Wafer processing apparatus and a wafer stage and a wafer processing method |
JP2003309110A (ja) * | 2002-04-17 | 2003-10-31 | Tokyo Electron Ltd | プラズマ処理装置およびプラズマ処理方法 |
US7311784B2 (en) * | 2002-11-26 | 2007-12-25 | Tokyo Electron Limited | Plasma processing device |
US7850174B2 (en) * | 2003-01-07 | 2010-12-14 | Tokyo Electron Limited | Plasma processing apparatus and focus ring |
TWI488236B (zh) * | 2003-09-05 | 2015-06-11 | Tokyo Electron Ltd | Focusing ring and plasma processing device |
JP5274918B2 (ja) * | 2008-07-07 | 2013-08-28 | 東京エレクトロン株式会社 | プラズマ処理装置のチャンバー内部材の温度制御方法、チャンバー内部材及び基板載置台、並びにそれを備えたプラズマ処理装置 |
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TW201207987A (en) | 2012-02-16 |
JP2011210958A (ja) | 2011-10-20 |
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