JP2011249470A - プラズマ処理装置 - Google Patents
プラズマ処理装置 Download PDFInfo
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- 238000012545 processing Methods 0.000 title claims abstract description 191
- 238000004891 communication Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 68
- 238000000034 method Methods 0.000 description 9
- 238000003860 storage Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004380 ashing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32623—Mechanical discharge control means
- H01J37/32633—Baffles
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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
- C23C16/455—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 introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45565—Shower nozzles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/3244—Gas supply means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/3244—Gas supply means
- H01J37/32449—Gas control, e.g. control of the gas flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32458—Vessel
- H01J37/32477—Vessel characterised by the means for protecting vessels or internal parts, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32532—Electrodes
- H01J37/32568—Relative arrangement or disposition of electrodes; moving means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32623—Mechanical discharge control means
- H01J37/32651—Shields, e.g. dark space shields, Faraday shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
- H01J37/32816—Pressure
- H01J37/32834—Exhausting
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- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
【解決手段】処理室102の天井壁105に下部電極111に対向して昇降自在に設けられ,処理ガスを導入する多数の吹出孔123を設けた上部電極120と,各電極とその間の処理空間の周囲を囲むシールド側壁310と,シールド側壁の内側に設けられ,処理空間の雰囲気を排気する内側排気流路330と,シールド側壁の外側に設けられ,上部電極と天井壁との間の空間に回り込んだ処理ガスを排気する外側排気流路138とを設けた。
【選択図】 図3
Description
102 処理室
102a 孔
103 側壁
104 底壁
105 天井壁
106 筒状保持部
107 処理空間
108 上部空間
109 残留した処理ガス
110 載置台
111 下部電極
112 静電チャック
114 静電チャック電極
115 直流電源
116 冷媒室
118 伝熱ガス供給ライン
119 フォーカスリング
120 上部電極
122 ベローズ
122a,122b フランジ
123 吐出孔
124 電極板
125 電極支持体
126 ガス導入口
127 ガス供給管
128 バルブ
129 マスフローコントローラ
130 処理ガス供給部
132 排気口
134 排気管
136 排気部
138 外側排気流路
140 電力供給装置
142 第1高周波電力供給機構
144 第1フィルタ
146 第1整合器
148 第1電源
152 第2高周波電力供給機構
154 第2フィルタ
156 第2整合器
158 第2電源
160 制御部
162 操作部
164 記憶部
200 上部電極昇降機構
300,300’ シールド部材
310,310’ シールド側壁
312,326 連通孔
320 フランジ
322 溝部
324 底部
330 内側排気流路
340 バッフル板
342 貫通孔
350 バイパス配管
W ウエハ
Claims (5)
- 処理室内の基板に対して所定のプラズマ処理を施すプラズマ処理装置であって,
前記処理室の底壁に設けられ,前記基板を載置する下部電極と,
前記下部電極に対向して設けられ,載置された前記基板に向けて処理ガスを導入する多数の吹出孔を設けた上部電極と,
前記電極間に前記処理ガスのプラズマを形成する高周波電力を印加する電極供給部と,
前記処理室の天井壁に設けられ,前記天井壁と前記下部電極との間で前記上部電極を昇降させる昇降機構と,
前記各電極とその間の処理空間の周囲を囲む筒状壁と,
前記筒状壁の内側に設けられ,前記処理空間の雰囲気を排気する内側排気流路と,
前記筒状壁の外側に設けられ,前記上部電極と前記天井壁との間の空間に回り込んだ処理ガスを排気する外側排気流路と,
を備えたことを特徴とするプラズマ処理装置。 - 前記筒状壁は,前記処理室の側壁の内側に設けられるシールド側壁であり,
前記外側排気流路は,前記処理室の側壁と前記シールド側壁との間に形成した排気空間であることを特徴とする請求項1に記載のプラズマ処理装置。 - 前記シールド側壁の上部には,前記外側排気流路を塞ぐように張り出したフランジ部が設けられ,
前記フランジ部には,前記外側排気流路を前記上部電極と前記天井壁との間の空間に連通する多数の連通孔が形成され,この連通孔の数又は形状を変えることで前記外側排気流路のコンダクタンスを調整することを特徴とする請求項2に記載のプラズマ処理装置。 - 前記フランジ部はその上側に前記シールド側壁の外周に沿って溝部を設け,
前記溝部の底部に前記連通孔を設けるとともに,前記溝部の側部に前記上部電極と前記シールド側壁との隙間に連通する連通孔を形成したことを特徴とする請求項3に記載のプラズマ処理装置。 - 前記筒状壁は,前記処理室の側壁であり,
前記外側排気流路は,前記上部電極と前記天井壁との間の空間を,前記処理室の排気口に接続される排気管に連通するバイパス配管であることを特徴とする請求項1に記載のプラズマ処理装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010119547A JP5567392B2 (ja) | 2010-05-25 | 2010-05-25 | プラズマ処理装置 |
US13/114,101 US8858754B2 (en) | 2010-05-25 | 2011-05-24 | Plasma processing apparatus |
TW100118041A TWI522014B (zh) | 2010-05-25 | 2011-05-24 | Plasma processing device |
EP11004262.9A EP2390897B1 (en) | 2010-05-25 | 2011-05-24 | Plasma processing apparatus |
KR1020110049361A KR101737014B1 (ko) | 2010-05-25 | 2011-05-25 | 플라즈마 처리 장치 |
CN201110146665.XA CN102262999B (zh) | 2010-05-25 | 2011-05-25 | 等离子体处理装置 |
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JP2010119547A JP5567392B2 (ja) | 2010-05-25 | 2010-05-25 | プラズマ処理装置 |
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JP2011249470A true JP2011249470A (ja) | 2011-12-08 |
JP5567392B2 JP5567392B2 (ja) | 2014-08-06 |
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JP2010119547A Active JP5567392B2 (ja) | 2010-05-25 | 2010-05-25 | プラズマ処理装置 |
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US (1) | US8858754B2 (ja) |
EP (1) | EP2390897B1 (ja) |
JP (1) | JP5567392B2 (ja) |
KR (1) | KR101737014B1 (ja) |
CN (1) | CN102262999B (ja) |
TW (1) | TWI522014B (ja) |
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US8858754B2 (en) | 2014-10-14 |
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TW201216788A (en) | 2012-04-16 |
KR20110129356A (ko) | 2011-12-01 |
EP2390897A3 (en) | 2014-04-30 |
KR101737014B1 (ko) | 2017-05-17 |
CN102262999A (zh) | 2011-11-30 |
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