JP2001504160A - 基板ホルダ上へのポリマーの堆積を削減する装置 - Google Patents
基板ホルダ上へのポリマーの堆積を削減する装置Info
- Publication number
- JP2001504160A JP2001504160A JP51681998A JP51681998A JP2001504160A JP 2001504160 A JP2001504160 A JP 2001504160A JP 51681998 A JP51681998 A JP 51681998A JP 51681998 A JP51681998 A JP 51681998A JP 2001504160 A JP2001504160 A JP 2001504160A
- Authority
- JP
- Japan
- Prior art keywords
- gap
- gas
- processing chamber
- substrate
- substrate holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 70
- 229920000642 polymer Polymers 0.000 title claims abstract description 28
- 230000008021 deposition Effects 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 82
- 238000012545 processing Methods 0.000 claims abstract description 82
- 239000001307 helium Substances 0.000 claims abstract description 11
- 229910052734 helium Inorganic materials 0.000 claims abstract description 11
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000151 deposition Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- 239000006227 byproduct Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000004814 ceramic processing Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- 238000005530 etching Methods 0.000 abstract description 6
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 238000001020 plasma etching Methods 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 description 18
- 210000002381 plasma Anatomy 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000009616 inductively coupled plasma Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000010437 gem Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- C23C16/45519—Inert gas curtains
- C23C16/45521—Inert gas curtains the gas, other than thermal contact gas, being introduced the rear of the substrate to flow around its periphery
-
- 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
- C23C16/458—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
-
- 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
- H01J37/32082—Radio frequency generated discharge
- H01J37/321—Radio frequency generated discharge the radio frequency energy being inductively coupled to the plasma
-
- 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
- H01J2237/02—Details
- H01J2237/022—Avoiding or removing foreign or contaminating particles, debris or deposits on sample or tube
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10S156/915—Differential etching apparatus including focus ring surrounding a wafer for plasma apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Drying Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.プラズマ処理装置において、 処理チャンバと、 基板を処理するために前記処理チャンバの内部で処理ガスにエネルギーを与え てプラズマ状態にするエネルギー源と、 前記処理チャンバ内において基板を保持するとともに、外面を有する基板保持 体と、 前記基板保持体を取り囲むとともに内面を有する部材であって、前記基板保持 体の前記外面と前記内面との間で間隙を形成し、前記間隙を前記処理チャンバの 内部と流体的に連通させた部材と、 前記基板の処理中に、前記間隙と流体的に連通し前記間隙に間隙ガスを供給す ることで、処理ガスと揮発性の副産物とが前記間隙に進入することを防止するた めの間隙ガス供給部とを具備することを特徴とするプラズマ処理装置。 2.請求項1に記載に記載のプラズマ処理装置であって、前記エネルギー源は 電気誘導的に高周波数(RF)パワーと誘電体からなる窓を介して結合するコイ ルを備え、前記処理チャンバ内に高周波数(RF)パワーを与えることを特徴と する真空処理チャンバ装置。 3.請求項1に記載の真空処理チャンバ装置であって、前記間隙ガス供給部は 、前記間隙にヘリウムを供給することを特徴とする真空処理チャンバ装置。 4.請求項1に記載の真空処理チャンバ装置であって、前記間隙ガス供給部は 、前記間隙に前記間隙ガスを60から100SCCMの流量で供給することを特 徴とする真空処理チャンバ装置。 5.請求項1に記載の真空処理チャンバ装置であって、前記間隙ガス供給部は 、前記間隙を出口とする複数の間隙ガス流路を備えることを特徴とする真空処理 チャンバ装置。 6.請求項5に記載の真空処理チャンバ装置であって、前記間隙ガス流路にお いて、前記間隙ガスの流量を制御する制限部位が設けられることを特徴とする真 空処理チャンバ装置。 7.請求項5に記載の真空処理チャンバ装置であって、前記間隙ガス流路は前 記基板保持体に設けられることを特徴とする真空処理チャンバ装置。 8.請求項1に記載の真空処理チャンバ装置であって、前記部材は、セラミッ ク製の焦点リングを具備し、前記間隙は前記内面と前記外面との間の距離が6. 35mm以下に設定されることを特徴とする真空処理チャンバ装置。 9.請求項1に記載の真空処理チャンバ装置であって、前記基板保持体は静電 チャックを具備することを特徴とする真空処理チャンバ装置。 10.処理チャンバと基板を処理するために処理ガスに前記処理チャンバの内部 でエネルギーを与えプラズマ状態にするエネルギー源を有するプラズマ処理装置 における基板保持体であって、 基板を前記処理チャンバ内で保持する基板保持面と、外面を有する基板保持体 と、 前記基板保持面を取り囲むとともに、内面を有する部材であって、前記基板保 持体の前記外面と前記内面との間で間隙を形成し、前記基板保持体が前記処理チ ャンバ内に取付けられたときに、前記間隙を前記処理チャンバの内部と流体的に 連通させる部材と、 前記基板保持面上に保持されている基板の処理中に、前記間隙と流体的に連通 し、前記間隙に間隙ガスを、処理ガスと揮発性の副産物とが前記間隙に進入する ことを防止するのに十分な流量で供給するための間隙ガス供給部とを具備するこ とを特徴とする基板保持体。 11.請求項10に記載の基板保持体であって、前記基板保持体は静電チャック を具備し、前記部材はセラミック製の焦点リングを具備することを特徴とする基 板保持体。 12.請求項10に記載の基板保持体であって、前記間隙ガス供給部は前記間隙 を出口とする複数の間隙ガス流路を含むことを特徴とする基板保持体。 13.請求項12に記載の基板保持体であって、前記間隙ガス流路は前記間隙ガ スの流量を制御する制限部位を設けたことを特徴とする基板保持体。 14.請求項12に記載の基板保持体であって、前記間隙ガス流路は前記基板保 持体に設けられたことを特徴とする基板保持体。 15.プラズマ処理チャンバ内におけるポリマーの堆積を制御する方法であって 、前記プラズマ処理チャンバ中の基板ホルダ上に基板を置き、 基板を処理する処理ガスを前記処理チャンバの内部でプラズマ状態にし、 前記基板ホルダを取り囲みかつ保持する部材と前記基板ホルダとの間で形成さ れる間隙に処理ガスと揮発性の副産物とが前記間隙に進入することを防止するの に十分な流量で間隙ガスを供給することを特徴とするポリマーの堆積を制御する 方法。 16.請求項15に記載のポリマーの堆積を制御する方法であって、前記基板は 前記プラズマ処理チャンバ中において静電チャックで位置決めされ、電気誘導的 に高周波数(RF)パワーと誘電体からなる窓を介して結合するエネルギー源の コイルにより処理ガスをプラズマ状態にすることを特徴とするポリマーの堆積を 制御する方法。 17.請求項15に記載のポリマーの堆積を制御する方法であって、前記間隙に 導入される前記間隙ガスはヘリウムであることを特徴とするポリマーの堆積 を制御する方法。 18.請求項15に記載のポリマーの堆積を制御する方法であって、前記間隙ガ スは60から100SCCMの流量で供給されることを特徴とするポリマーの堆 積を制御する方法。 19.請求項15に記載のポリマーの堆積を制御する方法であって、前記間隙ガ スは前記間隙を出口にする複数の流路を介して前記間隙に流れることを特徴とす るポリマーの堆積を制御する方法。 20.請求項15に記載のポリマーの堆積を制御する方法であって、前記基板は 前記処理ガスでエッチングされるとともに、前記間隙ガスの流量はこのエッチイ ングの際の縁部への影響を及ぼさない程度の流量に設定されることを特徴とする ポリマーの堆積を制御する方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72237396A | 1996-09-30 | 1996-09-30 | |
US08/722,373 | 1996-09-30 | ||
PCT/US1997/017663 WO1998014636A1 (en) | 1996-09-30 | 1997-09-30 | Apparatus for reducing polymer deposition on substrate support |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001504160A true JP2001504160A (ja) | 2001-03-27 |
JP2001504160A5 JP2001504160A5 (ja) | 2005-06-16 |
Family
ID=24901581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51681998A Pending JP2001504160A (ja) | 1996-09-30 | 1997-09-30 | 基板ホルダ上へのポリマーの堆積を削減する装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6306244B1 (ja) |
EP (1) | EP0938596B1 (ja) |
JP (1) | JP2001504160A (ja) |
KR (1) | KR100469908B1 (ja) |
AU (1) | AU4741497A (ja) |
DE (1) | DE69726308T2 (ja) |
WO (1) | WO1998014636A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010016363A (ja) * | 2008-07-02 | 2010-01-21 | Ngk Insulators Ltd | ウエハ載置装置及びそれに用いる部品 |
JP2014072356A (ja) * | 2012-09-28 | 2014-04-21 | Ngk Spark Plug Co Ltd | 静電チャック |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4419237B2 (ja) * | 1999-12-22 | 2010-02-24 | 東京エレクトロン株式会社 | 成膜装置及び被処理体の処理方法 |
US7252738B2 (en) * | 2002-09-20 | 2007-08-07 | Lam Research Corporation | Apparatus for reducing polymer deposition on a substrate and substrate support |
US20060000802A1 (en) * | 2004-06-30 | 2006-01-05 | Ajay Kumar | Method and apparatus for photomask plasma etching |
US8349128B2 (en) | 2004-06-30 | 2013-01-08 | Applied Materials, Inc. | Method and apparatus for stable plasma processing |
GB0424371D0 (en) * | 2004-11-04 | 2004-12-08 | Trikon Technologies Ltd | Shielding design for backside metal deposition |
KR100809957B1 (ko) * | 2006-09-20 | 2008-03-07 | 삼성전자주식회사 | 반도체 식각장치 |
US20080194113A1 (en) * | 2006-09-20 | 2008-08-14 | Samsung Electronics Co., Ltd. | Methods and apparatus for semiconductor etching including an electro static chuck |
US7943005B2 (en) | 2006-10-30 | 2011-05-17 | Applied Materials, Inc. | Method and apparatus for photomask plasma etching |
US7909961B2 (en) * | 2006-10-30 | 2011-03-22 | Applied Materials, Inc. | Method and apparatus for photomask plasma etching |
JP5179482B2 (ja) * | 2007-05-09 | 2013-04-10 | 株式会社アルバック | パージガスアセンブリ |
US20090025636A1 (en) * | 2007-07-27 | 2009-01-29 | Applied Materials, Inc. | High profile minimum contact process kit for hdp-cvd application |
JP5601794B2 (ja) * | 2009-05-29 | 2014-10-08 | 株式会社東芝 | プラズマエッチング装置 |
TWI385725B (zh) * | 2009-09-18 | 2013-02-11 | Advanced Micro Fab Equip Inc | A structure that reduces the deposition of polymer on the backside of the substrate |
JP6778553B2 (ja) * | 2016-08-31 | 2020-11-04 | 株式会社日本製鋼所 | 原子層成長装置および原子層成長方法 |
KR102335472B1 (ko) * | 2019-09-04 | 2021-12-07 | 세메스 주식회사 | 기판 처리 장치 및 기판 처리 방법 |
US11976363B2 (en) * | 2021-08-19 | 2024-05-07 | Applied Materials, Inc. | Purge ring for pedestal assembly |
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US4340462A (en) | 1981-02-13 | 1982-07-20 | Lam Research Corporation | Adjustable electrode plasma processing chamber |
US4579618A (en) | 1984-01-06 | 1986-04-01 | Tegal Corporation | Plasma reactor apparatus |
US5262029A (en) | 1988-05-23 | 1993-11-16 | Lam Research | Method and system for clamping semiconductor wafers |
US4948458A (en) | 1989-08-14 | 1990-08-14 | Lam Research Corporation | Method and apparatus for producing magnetically-coupled planar plasma |
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US5200232A (en) | 1990-12-11 | 1993-04-06 | Lam Research Corporation | Reaction chamber design and method to minimize particle generation in chemical vapor deposition reactors |
US5326725A (en) * | 1993-03-11 | 1994-07-05 | Applied Materials, Inc. | Clamping ring and susceptor therefor |
US5695568A (en) | 1993-04-05 | 1997-12-09 | Applied Materials, Inc. | Chemical vapor deposition chamber |
DE69432383D1 (de) * | 1993-05-27 | 2003-05-08 | Applied Materials Inc | Verbesserungen betreffend Substrathalter geeignet für den Gebrauch in Vorrichtungen für die chemische Abscheidung aus der Dampfphase |
US5498313A (en) | 1993-08-20 | 1996-03-12 | International Business Machines Corp. | Symmetrical etching ring with gas control |
US5571366A (en) | 1993-10-20 | 1996-11-05 | Tokyo Electron Limited | Plasma processing apparatus |
JPH07249586A (ja) * | 1993-12-22 | 1995-09-26 | Tokyo Electron Ltd | 処理装置及びその製造方法並びに被処理体の処理方法 |
EP0668607A1 (en) * | 1994-02-22 | 1995-08-23 | Applied Materials, Inc. | Erosion resistant electrostatic chuck |
US5556476A (en) | 1994-02-23 | 1996-09-17 | Applied Materials, Inc. | Controlling edge deposition on semiconductor substrates |
US5740009A (en) | 1996-11-29 | 1998-04-14 | Applied Materials, Inc. | Apparatus for improving wafer and chuck edge protection |
-
1997
- 1997-09-30 AU AU47414/97A patent/AU4741497A/en not_active Abandoned
- 1997-09-30 JP JP51681998A patent/JP2001504160A/ja active Pending
- 1997-09-30 KR KR10-1999-7002517A patent/KR100469908B1/ko not_active IP Right Cessation
- 1997-09-30 WO PCT/US1997/017663 patent/WO1998014636A1/en active IP Right Grant
- 1997-09-30 DE DE69726308T patent/DE69726308T2/de not_active Expired - Lifetime
- 1997-09-30 EP EP97909912A patent/EP0938596B1/en not_active Expired - Lifetime
-
1999
- 1999-07-22 US US09/358,429 patent/US6306244B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010016363A (ja) * | 2008-07-02 | 2010-01-21 | Ngk Insulators Ltd | ウエハ載置装置及びそれに用いる部品 |
JP2014072356A (ja) * | 2012-09-28 | 2014-04-21 | Ngk Spark Plug Co Ltd | 静電チャック |
Also Published As
Publication number | Publication date |
---|---|
AU4741497A (en) | 1998-04-24 |
KR100469908B1 (ko) | 2005-02-02 |
DE69726308D1 (de) | 2003-12-24 |
EP0938596B1 (en) | 2003-11-19 |
WO1998014636A1 (en) | 1998-04-09 |
US6306244B1 (en) | 2001-10-23 |
KR20000048586A (ko) | 2000-07-25 |
DE69726308T2 (de) | 2004-08-26 |
EP0938596A1 (en) | 1999-09-01 |
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