JP4550507B2 - プラズマ処理装置 - Google Patents
プラズマ処理装置 Download PDFInfo
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- 239000007789 gas Substances 0.000 claims description 424
- 239000006185 dispersion Substances 0.000 claims description 32
- 230000005855 radiation Effects 0.000 claims description 18
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 238000009832 plasma treatment Methods 0.000 claims 1
- 238000005530 etching Methods 0.000 description 26
- 239000000203 mixture Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 9
- 229910052734 helium Inorganic materials 0.000 description 7
- 239000001307 helium Substances 0.000 description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001020 plasma etching Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910020177 SiOF Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012212 insulator Substances 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
- 125000006850 spacer group Chemical group 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- H01J37/3244—Gas supply means
- H01J37/32449—Gas control, e.g. control of the gas flow
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- H—ELECTRICITY
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- 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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
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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
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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
- 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
- C23C16/503—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 dc or ac discharges
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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
- C23C16/50—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
-
- 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
- C23C16/50—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
-
- 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
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
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- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
Description
さらに、本発明のプラズマ処理装置においては、前記処理室に磁場を生成させる磁場生成手段を有することを特徴とする。
またさらに、本発明のプラズマ処理装置は、前記載置電極の内側領域に高周波電力を供給する第一の高周波電源と、前記載置電極の外側領域に高周波電力を供給する第二の高周波電源とを有することを特徴とする。
またさらに、本発明のプラズマ処理装置は、前記第一及び第二のガス分配手段は、ガス分配器を有することを特徴とする。
またさらに、本発明のプラズマ処理装置は、前記第一のガス分配手段は、ガス分配器を有し、前記第二のガス分配手段は、前記O 2 ガスまたはN 2 ガス、あるいはO 2 ガス及びN 2 ガスがそれぞれ複数のガス流量調整器で供給されることにより、前記O 2 ガスまたはN 2 ガス、あるいはO 2 ガス及びN 2 ガスを分配することを特徴とする。
またさらに、本発明のプラズマ処理装置は、前記ガス分散板を複数の領域に仕切るためのO−リングを設け、前記O−リングにより前記ガス分散板が浮き上がらないように、ガス分散板をアンテナにネジでとめたことを特徴とする。
またさらに、本発明のプラズマ処理装置は、前記ガス分散板には、第1のガス噴出口と、第2のガス噴出口とを設け、前記アンテナには、第1のガス流路と、第2のガス流路を設置し、前記ガス分散板にガスを供給するための前記第1のガス流路の出口、あるいは前記第2のガス流路の出口は、前記アンテナの略中心を中心点として略円周上に複数個設置されていることを特徴とする。
またさらに、本発明のプラズマ処理装置は、前記シャワープレートに開けられたガス噴出口は、前記シャワープレートの略中心から同心円状に配置されていることを特徴とする。
さらに、本発明では、O 2 とN 2 以外の処理ガスを第1の処理ガスとして複数に分配し、分配した後の第1のガスに第2のガスとしてO 2 とN 2 を添加することで、互いにO 2 あるいはN 2 の組成や流量が異なる処理ガスを、互いに異なるガス導入口から処理室内に導入できるようにする。このとき、複数に分配した後の第1のガスに添加するO 2 あるいはN 2 の添加量に関わらず、第1の処理ガスが所定の流量比に分配できるように、第1のガスを複数に分配するためのガス分配器を用いる。
Claims (10)
- 処理室と、前記処理室に電磁波を放射するためのアンテナと、前記処理室内にガスを供給するためのシャワープレートと、前記シャワープレートに供給された前記ガスを分散させるガス分散板と、前記ガス分散板にガスを供給するガス供給手段と、前記処理室内を減圧する真空排気手段と、被処理体を載置する電極と、前記アンテナに高周波電力を供給する電磁波放射電源とを有するプラズマ処理装置であって、
前記ガス供給手段は、複数のガス供給源から供給されたガス種毎に設けられたガス流量調節器を有し、
前記ガス分散板は、内側の領域と外側の領域に分割され、
O 2 ガスおよびN 2 ガス以外の複数のガスからなる混合ガスである第1のガスの流量を所定のガス流量比に制御し、前記所定のガス流量比に制御されたガスを分配させる第一のガス分配手段と、
O 2 ガスまたはN 2 ガス、あるいはO 2 ガスとN 2 ガスの混合ガスである第2のガスの流量を所定のガス流量比に制御し、前記所定のガス流量比に制御されたガスを分配させる第二のガス分配手段とを備え、
前記第一のガス分配手段により分岐された一方の第1のガスが前記ガス分散板の内側の領域に、前記第一のガス分配手段により分岐された他方の第1のガスが前記ガス分散板の外側の領域にそれぞれ供給され、かつ、前記第二のガス分配手段により分岐された一方の第2のガスが前記ガス分散板の内側の領域に、前記第二のガス分配手段により分岐された他方の第2のガスが前記ガス分散板の外側の領域にそれぞれ供給されることによって、
前記シャワープレートの内側領域と外側領域からそれぞれ供給される前記第2のガスの流量を前記第1のガスとは独立に制御でき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において、
前記処理室に磁場を生成させる磁場生成手段を有す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において、
前記アンテナは内側領域と外側領域に分割され、
前記電磁波放射電源は、分配器により前記アンテナの内側領域と前記アンテナの外側領域にそれぞれ高周波電力を供給す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において、
前記載置電極の内側領域に高周波電力を供給する第一の高周波電源と、前記載置電極の外側領域に高周波電力を供給する第二の高周波電源とを有す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において、
前記第一のガス分配手段は、ガス分配器を有す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において、
前記第一及び第二のガス分配手段は、ガス分配器を有す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において、
前記第一のガス分配手段は、ガス分配器を有し、前記第二のガス分配手段は、前記O 2 ガスまたはN 2 ガス、あるいはO 2 ガス及びN 2 ガスがそれぞれ複数のガス流量調整器で供給されることにより、前記O 2 ガスまたはN 2 ガス、あるいはO 2 ガス及びN 2 ガスを分配す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において、
前記ガス分散板を複数の領域に仕切るためのO−リングを設け、前記O−リングにより前記ガス分散板が浮き上がらないように、ガス分散板をアンテナにネジでとめ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において、
前記ガス分散板には、第1のガス噴出口と、第2のガス噴出口とを設け、前記アンテナには、第1のガス流路と、第2のガス流路を設置し、前記ガス分散板にガスを供給するための前記第1のガス流路の出口、あるいは前記第2のガス流路の出口は、前記アンテナの略中心を中心点として略円周上に複数個設置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において、
前記シャワープレートに開けられたガス噴出口は、前記シャワープレートの略中心から同心円状に配置されていることを特徴とするプラズマ処理装置。
Priority Applications (6)
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JP2004217118A JP4550507B2 (ja) | 2004-07-26 | 2004-07-26 | プラズマ処理装置 |
US10/911,610 US20060016559A1 (en) | 2004-07-26 | 2004-08-05 | Plasma processing apparatus |
US11/730,962 US7662232B2 (en) | 2004-07-26 | 2007-04-05 | Plasma processing apparatus |
US12/398,226 US8397668B2 (en) | 2004-07-26 | 2009-03-05 | Plasma processing apparatus |
US13/829,676 US8733282B2 (en) | 2004-07-26 | 2013-03-14 | Plasma processing apparatus |
US14/262,466 US9038567B2 (en) | 2004-07-26 | 2014-04-25 | Plasma processing apparatus |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008311686A (ja) * | 2008-09-29 | 2008-12-25 | Hitachi High-Technologies Corp | プラズマ処理装置 |
US8397668B2 (en) | 2004-07-26 | 2013-03-19 | Hitachi High-Technologies Corporation | Plasma processing apparatus |
US11728142B2 (en) | 2019-08-29 | 2023-08-15 | Samsung Electronics Co., Ltd. | Apparatus for conducting plasma surface treatment, board treatment system having the same |
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Also Published As
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US20060016559A1 (en) | 2006-01-26 |
US20090194235A1 (en) | 2009-08-06 |
US20070186972A1 (en) | 2007-08-16 |
US20130199728A1 (en) | 2013-08-08 |
US20140231015A1 (en) | 2014-08-21 |
US8733282B2 (en) | 2014-05-27 |
US9038567B2 (en) | 2015-05-26 |
US7662232B2 (en) | 2010-02-16 |
JP2006041088A (ja) | 2006-02-09 |
US8397668B2 (en) | 2013-03-19 |
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