WO2004100246A1 - 基板処理装置のクリーニング方法 - Google Patents
基板処理装置のクリーニング方法 Download PDFInfo
- Publication number
- WO2004100246A1 WO2004100246A1 PCT/JP2004/005798 JP2004005798W WO2004100246A1 WO 2004100246 A1 WO2004100246 A1 WO 2004100246A1 JP 2004005798 W JP2004005798 W JP 2004005798W WO 2004100246 A1 WO2004100246 A1 WO 2004100246A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning
- plasma
- processing apparatus
- substrate
- gas
- Prior art date
Links
Classifications
-
- 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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4405—Cleaning of reactor or parts inside the reactor by using reactive gases
-
- 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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/335—Cleaning
Definitions
- the present invention generally relates to a plasma processing apparatus, and more particularly to a microphone mouth-wave plasma processing apparatus.
- the plasma processing process and the plasma processing apparatus have been used in recent years for ultra-small semiconductor devices having a gate length close to 0.1 m, which is a so-called deep submicron device or so-called deep submicron one-micron device, or less. This is an indispensable technology for manufacturing and for manufacturing high-resolution flat panel display devices including liquid crystal display devices.
- a microwave plasma processing apparatus using a high-density plasma excited by a microphone mouth-wave electric field without using a DC magnetic field has been conventionally proposed.
- a microwave is radiated into a processing vessel from a planar antenna (radial line slot antenna) having a large number of slots arranged to generate a uniform microphone mouth wave, and a vacuum is generated by the microphone mouth wave electric field.
- Plasma that excites plasma by ionizing gas in container A processing device has been proposed.
- Microphone mouth-wave plasma excited by such a method can achieve high plasma density over a wide area directly below the antenna, and can perform uniform plasma processing in a short time. Moreover, in the microwave plasma formed by such a method, the plasma is excited by the microwave, so that the electron temperature is low, and damage to the substrate to be processed and metal contamination can be avoided. Furthermore, since uniform plasma can be easily excited even on a large-area substrate, it can be easily adapted to a semiconductor device manufacturing process using a large-diameter semiconductor substrate and a large-sized liquid crystal display device. Background art
- FIGS. 1A and 1B show the configuration of a conventional plasma processing apparatus 100 using such a radial line slot antenna. Note that FIG. 1A is a cross-sectional view of the plasma processing apparatus 100, and FIG. 1B is a view illustrating a configuration of a radial line slot antenna.
- a plasma processing apparatus 100 has a processing container 101 exhausted from a plurality of exhaust ports 1 16, and a substrate to be processed is contained in the processing container 101.
- a holding table 1 15 for holding 1 1 4 is formed.
- a space 101A is formed in a ring shape around the holding table 115, and the plurality of exhaust ports 116 are formed.
- the processing container 101 is formed at regular intervals so as to communicate with the space 101A, that is, formed symmetrically with respect to the substrate to be processed, so that the space 101A and the exhaust port 116 are formed. Can be exhausted uniformly.
- a large number of low-loss dielectrics are provided at positions corresponding to the substrate 114 on the holding table 115 as part of the outer wall of the processing vessel 101.
- a plate-shaped shower plate 103 having an opening portion 107 formed therein is formed via a seal ring 109, and further made of a low-loss dielectric outside the shower plate 103.
- a cover plate 102 is provided via another seal ring 108.
- the shower plate 103 is referred to as a microwave transmitting window because it transmits microwaves.
- the shower plate 103 has a plasma gas passage 104 formed on the upper surface thereof, and each of the plurality of openings 107 is formed so as to communicate with the plasma gas passage 104. I have.
- a plasma gas supply passage 106 connected to a plasma gas supply port 105 provided on the outer wall of the processing vessel 101 is formed inside the shower plate 103.
- the plasma gas such as Ar or Kr supplied to the plasma gas supply port 105 is supplied from the supply passage 106 to the opening 107 via the passage 104, From the opening 107, it is discharged at substantially the same concentration into the space 101B immediately below the shower plate 103 inside the processing container 101.
- a radial line slot antenna 110 is provided on the processing vessel 101, further outside the cover plate 102.
- the radial lines antenna 110 is connected to an external microwave source (not shown) via a coaxial waveguide 11 OA, and the microwaves from the microwave source cause the space 101 B to be closed.
- Excites the plasma gas released to The gap between the cover plate 102 and the radiation surface of the radial in-slot antenna 110 is filled with air.
- the radial line slot antenna 110 has a flat disk-shaped antenna main body 110B connected to the outer waveguide of the coaxial waveguide 111OA, and an opening of the antenna main body 110B.
- a radiation plate 110C formed with a number of slots 110a shown in FIG. 1 (B) and a number of slots 110b perpendicular thereto, and the antenna body
- a retardation plate 110D made of a dielectric plate having a constant thickness is inserted between 110B and the radiation plate 110C.
- the microwave fed from the coaxial waveguide 111OA passes between the disk-shaped antenna body 110B and the radiation plate 110C.
- the light propagates while expanding in the radial direction, and at this time, the wavelength is compressed by the action of the retardation plate 110D. Therefore, by forming the slots 110a and 110b concentrically and orthogonally to each other corresponding to the wavelength of the microwave traveling in the radial direction in this way, Plane wave with circular polarization
- the radiation plate can radiate in a direction substantially perpendicular to 110C.
- the radial line slot antenna 110 By using the radial line slot antenna 110, uniform high-density plasma is formed in the space 101B immediately below the shower plate 103.
- the high-density plasma thus formed has a low electron temperature, so that the substrate to be processed 114 is not damaged, and metal contamination caused by sputtering of the vessel wall of the processing container 101 is prevented. It does not occur.
- an external processing gas source (not shown) is further provided in the processing vessel 101 between the shear plate 103 and the substrate to be processed 114.
- a processing gas supply section 111 formed with a number of nozzles 113 for supplying a processing gas through a processing gas passage 112 formed in the processing vessel 101 from Each of the nozzles 113 discharges the supplied processing gas into a space 101C between the processing gas supply unit 111 and the substrate 114 to be processed.
- plasma formed in the space 101B is supplied from the space 101B to the space 110B.
- An opening having a size that allows efficient transmission is formed by diffusion in 1C.
- the processing gas is discharged from the processing gas supply unit 111 to the space 101C through the nozzle 113 in this way, the released processing gas is discharged to the space 101B.
- uniform plasma processing on the substrate to be processed 114 can be performed efficiently and at high speed without damaging the substrate and the element structure on the substrate. It is performed without contaminating the substrate.
- the microwave radiated from the radial line slot antenna 110 is blocked by the processing gas supply unit 111 composed of a conductor, and does not damage the substrate 114 to be processed.
- the substrate processing that can be performed by the plasma processing apparatus 100 includes plasma oxidation processing, plasma nitridation processing, plasma oxynitridation processing, plasma CVD processing, and the like.
- plasma oxidation processing plasma nitridation processing
- plasma oxynitridation processing plasma CVD processing
- the substrate 114 is processed.
- reactive ion etching Is also possible.
- the processing vessel 100 1 When performing a film forming process for forming a film on the substrate 114 to be processed, such as a plasma CVD process, using the plasma processing apparatus 100, the processing vessel 100 1 Deposits accumulate inside. For example, if the deposit accumulates after performing the film forming process for a long time, the deposit is separated from the portion where the deposit is deposited, which is a factor of generating particles and the like.
- Such a plasma processing apparatus and its cleaning method are disclosed in, for example, Japanese Patent Application Laid-Open Nos. Hei 9-63 793, No. 200-507-106, and No. 200-57. It is described in No. 149 publication.
- a cleaning gas is introduced from the shower plate 103 to excite the microwave plasma, thereby dissociating the cleaning gas and etching and removing the deposit.
- a cleaning gas is introduced from the shower plate 103 to excite the microwave plasma, thereby dissociating the cleaning gas and etching and removing the deposit.
- the microphone mouth wave plasma is not excited because the microwave mouth wave does not reach, and the space 110C is not excited. Since only plasma diffused from 1 B exists, the plasma density is low and the electron temperature is low.
- the present invention provides a novel and useful substrate processing apparatus which solves the above-described problems.
- the purpose of the present invention is to provide a programming method.
- a specific object of the present invention is to provide a novel substrate processing apparatus that uses microwave plasma to efficiently perform cleaning, thereby shortening the cleaning time. Is to provide a way. Disclosure of the invention
- microwave plasma is used and high-frequency power is applied to a holder for a substrate to be processed during cleaning for removing deposits deposited in a film forming process.
- high-frequency power is applied to a holder for a substrate to be processed during cleaning for removing deposits deposited in a film forming process.
- FIG. 1 is a diagram schematically showing a plasma processing apparatus.
- FIG. 2 is a flowchart showing a cleaning method of the substrate processing apparatus according to the present invention.
- FIG. 3 is a diagram schematically showing a state in which the mouth opening plasma is excited in the plasma processing apparatus of FIG.
- FIG. 4 is a diagram showing a cleaning speed according to the cleaning method of the substrate processing apparatus of the present invention.
- the plasma gas 0 2, A r, the S i H 4 process gas The silicon oxide film (S I_ ⁇ 2 film) by using, to form the N 2 plasma gas in a similar manner, Ar, nitride film by using the S i H 4 process gas (S i N film) It is possible.
- fluorine-added carbon film (CxFy film) by using Ar and H 2 as a plasma gas and a fluorocarbon-based gas such as C 4 F 8 as a processing gas.
- the silicon oxide film, the nitride film, the fluorinated carbon film, and the like are deposited in the processing container 101 as well as on the substrate 114 to be processed. accumulate.
- the cleaning method according to the present invention is performed to clean the inside of the processing container 101 and remove the deposits as described above.
- FIG. 2 is a flowchart showing a cleaning method of the substrate processing apparatus according to the second embodiment of the present invention. In the case of the present embodiment, a method for cleaning the above-mentioned fluorinated carbon film will be described.
- step 2 a cleaning gas is introduced into the processing vessel 101.
- ⁇ 2 and H 2 are used as the cleaning gas.
- a diluting gas is further added as a diluting gas in order to dilute the cleaning gas such as ⁇ 2 and H 2 to make the etching by the cleaning gas uniform in the processing vessel 101 and to facilitate the plasma excitation. r may be used.
- step 2 are introduced into the space 101B through the opening 107 of the shower plate 103, respectively.
- microwave power of 140 W from a microwave power source is introduced into the radial line slot antenna 110 to excite microwave plasma in the processing vessel 101.
- the introduced ⁇ 2 / H 2 is dissociated and reacts with oxygen radicals, hydrogen radicals, oxygen ions, hydrogen ions, etc., which contribute to the etching of the fluorine-added carbon film. Is generated, and the substantial cleaning is started by etching the fluorine-added carbon film which is a deposit in the processing container 101 as described below.
- this step by adding H 2 ⁇ in addition to 0 2 / H 2 as a cleaning gas, the formation of oxygen radicals, hydrogen radicals, oxygen ions, and hydrogen ions contributing to the above-mentioned etching is promoted, and furthermore, The cleaning rate can be improved.
- the etching rate for removing the fluorine-containing film is low, and the cleaning may take time.
- FIG. 3 schematically shows a state where the microwave plasma M is excited in the plasma processing apparatus 100.
- the parts described above are denoted by the same reference numerals, and description thereof will be omitted.
- the microwave does not reach the lower part of the processing gas supply unit 111, that is, the space 101 C, so that microwave plasma is not excited. Since only plasma diffused from 101 B exists, the plasma density is low and the electron temperature is low.
- the high frequency power of 30 A is applied to the holding table 115 from the high frequency power supply 115 A connected to the holding table 115. Apply 0 W.
- the frequency of the high-frequency power supply used in this embodiment is 2 MHz, but a frequency of 500 MHz or less, preferably 100 kHz to 15 MHz is preferably used. Alternatively, a DC bias may be used.
- Step 7 when the etching of the deposit is completed, the introduction of the high frequency power and the microwave power is stopped in Steps 5 and 6, respectively, and the cleaning is completed in Step 7.
- the cleaning gas and the diluting gas are introduced from the shower plate 103.
- the shower plate 103 and the processing gas supply unit 111 may be used. , Or only from the processing gas supply unit 111. It is also possible to change the ratio introduced from the shower plate 103 and from the processing gas supply unit 111.
- the cleaning gas can be used efficiently. As a result, it is possible to perform more efficient cleaning while suppressing the amount of the cleaning gas used and improving the cleaning speed.
- the light emission during cleaning is spectrally processed by a spectroscope or the like, so that the change in the intensity of light of a specific wavelength is monitored, and when the change in emission intensity converges, the cleaning is terminated, and cleaning is performed. Has been detected.
- the time for applying the high-frequency power is increased to efficiently perform the cleaning.
- the rate can be improved.
- the time to introduce microwave power and the time to introduce high-frequency power as necessary, and the timing to introduce and stop microphone mouth wave power and the time to introduce and stop high-frequency power were changed, It is possible to perform efficient cleaning according to the amount of the cleaning. If necessary, cleaning can be performed using only high-frequency plasma with high-frequency power.
- a silicon oxide film Si 2 film
- a fluorine-added silicon oxide film Si OF film
- a silicon nitride film Si An insulating film such as an iN film can be cleaned in the same manner.
- fluorine-doped force one carbon film and S I_ ⁇ 2 film, S i OF film, S i N film is laminated NF 3 and NF 3 are used for cleaning the deposited deposits and for cleaning deposits in which an inorganic insulating film and an organic insulating film are mixed, such as a S i CO film and a S i CO (H) film.
- an inorganic insulating film and an organic insulating film are mixed, such as a S i CO film and a S i CO (H) film.
- H 2, H 2 using a 0 mixed with gas as the cleaning gas, or cleaning and ⁇ 2 according to NF 3 H 2, H 2 ⁇ a by cleaning the like performed alternately possible to perform cleaning by It is.
- the same effect as in the case of cleaning the fluorine-containing carbon film can be obtained.
- FIG. 4 shows the cleaning speed (rate) when cleaning is performed using the method for cleaning the substrate processing apparatus shown in FIG. 2 in the first embodiment.
- the same reference numerals have been used in the above description, and description thereof will be omitted.
- FIG. 4 shows the cleaning speed when the fluorinated carbon film was cleaned by the method described in the first embodiment, and the high-frequency power to the holding table 115 was changed to 300.
- the results for W (B) and 500 W (C) are shown.
- the results of the case (A) in which cleaning was performed only with microwave plasma without applying high-frequency power to the holding table 115 are also shown.
- the cleaning speed was 194 nm / min, while when 300 W of high-frequency power was applied (B), The cleaning speed is 540 nm / min, and the cleaning speed is 2.8 times that of the case (A) where no high-frequency power is applied.
- the cleaning speed is 680 nm / min, and the cleaning speed is 3.5 times higher than when no high-frequency power is applied (A). It is possible to reduce the time.
- the protective wafer made of a sintered ceramic such as may be implemented chestnut-learning.
- the above-described cleaning can be performed every time one film formation process of the substrate to be processed is completed.
- the cleaning is performed each time the film formation process of a plurality of substrates to be processed is completed. It is also possible.
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- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
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- Drying Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/555,668 US20060281323A1 (en) | 2003-05-08 | 2004-04-22 | Method of cleaning substrate processing apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-130543 | 2003-05-08 | ||
JP2003130543A JP2004335789A (ja) | 2003-05-08 | 2003-05-08 | 基板処理装置のクリーニング方法 |
Publications (1)
Publication Number | Publication Date |
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WO2004100246A1 true WO2004100246A1 (ja) | 2004-11-18 |
Family
ID=33432107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/005798 WO2004100246A1 (ja) | 2003-05-08 | 2004-04-22 | 基板処理装置のクリーニング方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060281323A1 (ja) |
JP (1) | JP2004335789A (ja) |
TW (1) | TW200504874A (ja) |
WO (1) | WO2004100246A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8034183B2 (en) | 2005-02-02 | 2011-10-11 | Tokyo Electron Limited | Cleaning method and plasma processing method |
US8366953B2 (en) * | 2006-09-19 | 2013-02-05 | Tokyo Electron Limited | Plasma cleaning method and plasma CVD method |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100477107C (zh) * | 2004-01-28 | 2009-04-08 | 东京毅力科创株式会社 | 基板处理装置的处理室净化方法、基板处理装置和基板处理方法 |
JP2009054818A (ja) * | 2007-08-28 | 2009-03-12 | Tokyo Electron Ltd | プラズマ処理装置、プラズマ処理方法および終点検出方法 |
JP5751895B2 (ja) | 2010-06-08 | 2015-07-22 | 株式会社日立国際電気 | 半導体装置の製造方法、クリーニング方法および基板処理装置 |
JP5643679B2 (ja) * | 2011-03-02 | 2014-12-17 | 大陽日酸株式会社 | 炭化珪素の除去方法 |
JP2015185565A (ja) * | 2014-03-20 | 2015-10-22 | 東京エレクトロン株式会社 | シリコン酸化膜形成装置の洗浄方法、シリコン酸化膜の形成方法、及び、シリコン酸化膜形成装置 |
Citations (9)
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US4786352A (en) * | 1986-09-12 | 1988-11-22 | Benzing Technologies, Inc. | Apparatus for in-situ chamber cleaning |
JPH06208972A (ja) * | 1993-01-12 | 1994-07-26 | Matsushita Electric Ind Co Ltd | プラズマ処理方法 |
JPH06314675A (ja) * | 1993-04-30 | 1994-11-08 | Toshiba Corp | 半導体製造装置の洗浄方法及び半導体装置の製造方法 |
EP0751554A2 (en) * | 1995-06-07 | 1997-01-02 | Varian Associates, Inc. | Method of in-situ cleaning of deposits from sputter clean chambers |
JPH1140502A (ja) * | 1997-07-15 | 1999-02-12 | Hitachi Ltd | 半導体製造装置のドライクリーニング方法 |
JPH11297676A (ja) * | 1998-04-06 | 1999-10-29 | Kokusai Electric Co Ltd | 電子部品製造装置 |
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JP2002355550A (ja) * | 2001-03-28 | 2002-12-10 | Tadahiro Omi | プラズマ処理装置、プラズマ処理方法及び遅波板 |
JP2003059915A (ja) * | 2001-06-08 | 2003-02-28 | Tokyo Electron Ltd | 薄膜形成装置の洗浄方法 |
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US6797188B1 (en) * | 1997-11-12 | 2004-09-28 | Meihua Shen | Self-cleaning process for etching silicon-containing material |
EP1052694A4 (en) * | 1998-01-10 | 2004-11-24 | Tokyo Electron Ltd | SEMICONDUCTOR ARRANGEMENT WITH INSULATING FILM BASED ON FLUORIDE CARBON |
US6360754B2 (en) * | 1998-03-16 | 2002-03-26 | Vlsi Technology, Inc. | Method of protecting quartz hardware from etching during plasma-enhanced cleaning of a semiconductor processing chamber |
US6124927A (en) * | 1999-05-19 | 2000-09-26 | Chartered Semiconductor Manufacturing Ltd. | Method to protect chamber wall from etching by endpoint plasma clean |
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JP2002057106A (ja) * | 2000-08-08 | 2002-02-22 | Tokyo Electron Ltd | 処理装置のクリーニング方法及び処理装置 |
JP2002057149A (ja) * | 2000-08-08 | 2002-02-22 | Tokyo Electron Ltd | 処理装置及びそのクリーニング方法 |
US6847003B2 (en) * | 2000-10-13 | 2005-01-25 | Tokyo Electron Limited | Plasma processing apparatus |
US6581612B1 (en) * | 2001-04-17 | 2003-06-24 | Applied Materials Inc. | Chamber cleaning with fluorides of iodine |
-
2003
- 2003-05-08 JP JP2003130543A patent/JP2004335789A/ja active Pending
-
2004
- 2004-04-22 WO PCT/JP2004/005798 patent/WO2004100246A1/ja active Application Filing
- 2004-04-22 US US10/555,668 patent/US20060281323A1/en not_active Abandoned
- 2004-05-07 TW TW093112949A patent/TW200504874A/zh unknown
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Publication number | Priority date | Publication date | Assignee | Title |
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US4786352A (en) * | 1986-09-12 | 1988-11-22 | Benzing Technologies, Inc. | Apparatus for in-situ chamber cleaning |
JPH06208972A (ja) * | 1993-01-12 | 1994-07-26 | Matsushita Electric Ind Co Ltd | プラズマ処理方法 |
JPH06314675A (ja) * | 1993-04-30 | 1994-11-08 | Toshiba Corp | 半導体製造装置の洗浄方法及び半導体装置の製造方法 |
JP2001291704A (ja) * | 1993-08-19 | 2001-10-19 | Tokyo Electron Ltd | 処理装置、プラズマ処理装置及びこれらのクリーニング方法 |
EP0751554A2 (en) * | 1995-06-07 | 1997-01-02 | Varian Associates, Inc. | Method of in-situ cleaning of deposits from sputter clean chambers |
JPH1140502A (ja) * | 1997-07-15 | 1999-02-12 | Hitachi Ltd | 半導体製造装置のドライクリーニング方法 |
JPH11297676A (ja) * | 1998-04-06 | 1999-10-29 | Kokusai Electric Co Ltd | 電子部品製造装置 |
JP2002355550A (ja) * | 2001-03-28 | 2002-12-10 | Tadahiro Omi | プラズマ処理装置、プラズマ処理方法及び遅波板 |
JP2003059915A (ja) * | 2001-06-08 | 2003-02-28 | Tokyo Electron Ltd | 薄膜形成装置の洗浄方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8034183B2 (en) | 2005-02-02 | 2011-10-11 | Tokyo Electron Limited | Cleaning method and plasma processing method |
US8366953B2 (en) * | 2006-09-19 | 2013-02-05 | Tokyo Electron Limited | Plasma cleaning method and plasma CVD method |
Also Published As
Publication number | Publication date |
---|---|
TW200504874A (en) | 2005-02-01 |
JP2004335789A (ja) | 2004-11-25 |
US20060281323A1 (en) | 2006-12-14 |
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