JP6609006B2 - バッチ式プラズマ基板処理装置 - Google Patents
バッチ式プラズマ基板処理装置 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims description 137
- 239000007789 gas Substances 0.000 claims description 145
- 238000000034 method Methods 0.000 claims description 95
- 230000008569 process Effects 0.000 claims description 87
- 238000006243 chemical reaction Methods 0.000 claims description 77
- 239000012495 reaction gas Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000010909 process residue Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 description 17
- 238000000354 decomposition reaction Methods 0.000 description 14
- 239000010409 thin film Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 230000005684 electric field Effects 0.000 description 8
- 239000010408 film Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000000231 atomic layer deposition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 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
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- H01J37/3244—Gas supply means
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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
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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
- C23C16/452—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 activating reactive gas streams before their introduction into the reaction chamber, e.g. by ionisation or addition of reactive species
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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
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
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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
- C23C16/455—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
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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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
- C23C16/455—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
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
- C23C16/45546—Atomic layer deposition [ALD] characterized by the apparatus specially adapted for a substrate stack in the ALD reactor
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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
- C23C16/455—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
- C23C16/45578—Elongated nozzles, tubes with holes
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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
- C23C16/458—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 supporting substrates in the reaction chamber
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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
- C23C16/458—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 supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
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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
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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
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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
- C23C16/507—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 external electrodes, e.g. in tunnel type reactors
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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
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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
- H01J37/32532—Electrodes
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Description
110:第1のチューブ
111:噴射口
120:第2のチューブ
130:プラズマ反応部
131:接地電極部
132:電源供給電極部
133:隔壁
140:基板支持部
150:排気部
151:排気部材
152:排気ライン
153:排気口
160:ガス供給部、反応ガス供給部
161:供給口
170:セラミック管
180:可変電源供給部
181:可変キャパシター
182:電源部
190:ソースガス供給部
Claims (11)
- 複数枚の基板が処理される処理空間を提供する第1のチューブと、
前記処理空間において前記複数枚の基板を第1の方向に積載する基板支持部と、
前記基板が処理される工程に必要な工程ガスを供給するための供給口を有する複数のガス供給部と、
前記第1のチューブと連通されて前記処理空間内の工程残渣を外部に排気する排気部と、
前記第1のチューブの外側に配設され、前記ガス供給部から供給された工程ガスをプラズマ分解させて前記処理空間に分解された工程ガスを与えるプラズマ反応部と、
を備え、
前記プラズマ反応部は、
前記第1の方向に延びる複数の電源供給電極部と、
前記複数の電源供給電極部の間に設けられ、前記第1の方向に延びる接地電極部と、前記複数の電源供給電極部及び接地電極部を収容し、前記プラズマが形成される内部空間を画定する隔壁とを備え、
前記複数の電源供給電極部及び接地電極部は、前記第1のチューブの周方向に沿って互いに離間して配置され、
前記複数の電源供給電極部にはRFがそれぞれ供給され、
前記接地電極部の両側にはそれぞれ前記電源供給電極部が設けられ、
前記接地電極部と、その両側に設けられた前記電源供給電極部とは、互いの間において容量結合プラズマ(CCP)を発生させる基板処理装置。 - 前記第1のチューブとの間に離間空間が形成されるように前記第1のチューブから離間して前記第1のチューブの外側を包み込む第2のチューブを更に備え、
前記プラズマ反応部は、前記離間空間に設けられる請求項1に記載の基板処理装置。 - 前記複数の電源供給電極部のそれぞれに供給されるべきRFの大きさ又は比率を制御して供給する可変電源供給部を更に備える請求項1に記載の基板処理装置。
- 前記可変電源供給部は、
前記複数の電源供給電極部にRFを供給する電源部と、
前記電源部と複数の電源供給電極部との間にそれぞれ配設される複数の可変キャパシターと、
を備える請求項3に記載の基板処理装置。 - 前記可変電源供給部は、前記複数の電源供給電極部及び接地電極部の間の空間にそれぞれ配設されて前記プラズマの放電特性値を測定する探針棒を更に備え、
前記探針棒により測定された放電特性値により前記RFの大きさ又は比率が調節される請求項3に記載の基板処理装置。 - 前記複数の電源供給電極部及び接地電極部の外周面を包み込むセラミック管を更に備える請求項1に記載の基板処理装置。
- 前記複数のガス供給部は、前記第1の方向に延びて前記電源供給電極部の外側にそれぞれ配設される請求項1に記載の基板処理装置。
- 前記ガス供給部の供給口は、前記電源供給電極部に対して反対の方向を向くように形成される請求項1に記載の基板処理装置。
- 前記複数のガス供給部は、前記第1の方向に延びて前記電源供給電極部及び接地電極部を接続する線から外側に配設され、
前記ガス供給部の供給口は、前記電源供給電極部及び接地電極部の間の空間をそれぞれ向くように配設される請求項1に記載の基板処理装置。 - 前記第1のチューブは、前記電源供給電極部と対応して前記第1の方向に配置される複数の噴射口を有し、
前記噴射口及び供給口は、前記第1のチューブの中心軸から前記供給口までの半径方向に対して互いにずれるように配設される請求項1に記載の基板処理装置。 - 前記ガス供給部は、
前記プラズマ反応部に反応ガスを供給する反応ガス供給部と、
記処理空間にソースガスを供給するソースガス供給部と、
を備え、
前記プラズマ反応部は、前記反応ガスをプラズマ分解させる請求項1に記載の基板処理装置。
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