JP7378317B2 - プラズマ処理装置 - Google Patents
プラズマ処理装置 Download PDFInfo
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- 238000000034 method Methods 0.000 claims description 5
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- 230000002159 abnormal effect Effects 0.000 description 23
- 230000005684 electric field Effects 0.000 description 23
- 230000007246 mechanism Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000001902 propagating effect Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- CHBIYWIUHAZZNR-UHFFFAOYSA-N [Y].FOF Chemical compound [Y].FOF CHBIYWIUHAZZNR-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229940105963 yttrium fluoride Drugs 0.000 description 1
- RBORBHYCVONNJH-UHFFFAOYSA-K yttrium(iii) fluoride Chemical compound F[Y](F)F RBORBHYCVONNJH-UHFFFAOYSA-K 0.000 description 1
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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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- C23C16/50—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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- 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
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- 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
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
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- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
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- Chemical Vapour Deposition (AREA)
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Description
まず、実施形態に係るプラズマ処理装置1について、図1を参照しながら説明する。図1は、実施形態に係るプラズマ処理装置1を示す断面模式図である。図1に示すプラズマ処理装置1は、処理容器10、載置台12、上部電極14、及び電磁波導入部20を有する。
次に、実施形態に係る誘電体部材13について、図2及び図3を参照しながら詳細に説明する。図2は、一実施形態に係る誘電体部材の構成及び効果の一例を示す図である。図3は、一実施形態に係る誘電体部材の構成及び効果を説明するための図である。
次に、誘電体部材13と載置台12との間の空間や誘電体部材13の下方において異常放電が生じることを防止するために好ましい誘電体部材13の寸法について説明する。誘電体部材13に入射する電磁波の実効波長をλ0とすると、シースShを伝播する電磁波の表面波(シース波)の波長λswは以下で示される。
また、誘電体部材13における電磁波の実効波長λgは、式(1)で示される。
Claims (13)
- VHF帯以上の周波数の電磁波を処理容器内に導入し、ガスから発生したプラズマにより基板を処理するプラズマ処理装置であって、
前記処理容器の内部に設けられ、前記基板を載置する載置台と、
前記処理容器の内壁に面して形成され、前記電磁波を前記処理容器の内部に導入する電磁波導入部と、
前記電磁波が伝播する前記内壁に設けられる誘電体部材と、を有し、
前記誘電体部材の第1の部分は、前記内壁から前記載置台に向かって突出し、前記誘電体部材を厚さ方向に貫通する複数の排気孔を有し、複数の前記排気孔は、前記内壁から径方向に前記誘電体部材における電磁波の実効波長λgの1/4以上離れた位置に形成され、
前記誘電体部材の第2の部分は、前記内壁の凹部又は段差部に挿入される、プラズマ処理装置。 - VHF帯以上の周波数の電磁波を処理容器内に導入し、ガスから発生したプラズマにより基板を処理するプラズマ処理装置であって、
前記処理容器の内部に設けられ、前記基板を載置する載置台と、
前記処理容器の内壁に面して形成され、前記電磁波を前記処理容器の内部に導入する電磁波導入部と、
前記電磁波が伝播する前記内壁に設けられる誘電体部材と、を有し、
前記誘電体部材の第1の部分は、前記内壁から前記載置台に向かって突出し、前記誘電体部材を厚さ方向に貫通する複数の排気孔を有し、複数の前記排気孔は、前記内壁から径方向に5mm以上離れた位置に形成され、
前記誘電体部材の第2の部分は、前記内壁の凹部又は段差部に挿入される、プラズマ処理装置。 - 前記誘電体部材は、前記内壁に対して90°±30°の角度以内に傾斜して前記載置台に向かって突出している、
請求項1又は2に記載のプラズマ処理装置。 - 前記誘電体部材は、前記内壁から径方向に前記誘電体部材における電磁波の実効波長λgの1/2以上突出している、
請求項1~3のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材は、前記内壁から径方向に5mm以上突出している、
請求項1~3のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材の厚さは、前記誘電体部材における電磁波の実効波長λgの1/2以上である、
請求項1~5のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材の厚さは、5mm以上である、
請求項1~5のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材の下面は、前記処理容器の内部空間に露出する、
請求項1~7のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材の下面と、前記下面に対向する前記内壁の面との間隔は、5mm以上である、
請求項8に記載のプラズマ処理装置。 - 前記誘電体部材の第2の部分の上面と、前記上面に対向する前記内壁の面との間隔は、0.5mm以下である、
請求項1~9のいずれか一項に記載のプラズマ処理装置。 - 前記電磁波は、100MHz以上の周波数である、
請求項1~10のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材の第1の部分と前記載置台との間の空間は、排気路であり、
前記排気路に連通する前記誘電体部材の下方の排気空間からガスが排気されるように構成される、
請求項1~11のいずれか一項に記載のプラズマ処理装置。 - 前記誘電体部材の下方の排気空間は、前記処理容器の側壁の外部に形成された排気路に連通し、
前記誘電体部材の下方の排気空間を介して前記排気路からガスが側方に排気されるように構成される、
請求項12に記載のプラズマ処理装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020030327A JP7378317B2 (ja) | 2020-02-26 | 2020-02-26 | プラズマ処理装置 |
| PCT/JP2021/005550 WO2021172072A1 (ja) | 2020-02-26 | 2021-02-15 | プラズマ処理装置 |
| US17/904,427 US20230064817A1 (en) | 2020-02-26 | 2021-02-15 | Plasma processing apparatus |
| KR1020227031937A KR102759377B1 (ko) | 2020-02-26 | 2021-02-15 | 플라스마 처리 장치 |
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| JP2020030327A JP7378317B2 (ja) | 2020-02-26 | 2020-02-26 | プラズマ処理装置 |
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| JP2021136114A JP2021136114A (ja) | 2021-09-13 |
| JP7378317B2 true JP7378317B2 (ja) | 2023-11-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002194540A (ja) | 2000-12-26 | 2002-07-10 | Anelva Corp | プラズマ支援スパッタ成膜装置 |
| JP2004079829A (ja) | 2002-08-20 | 2004-03-11 | Tokyo Electron Ltd | プラズマ処理装置 |
| JP2012084848A (ja) | 2010-09-16 | 2012-04-26 | Tokyo Electron Ltd | プラズマ処理装置及びプラズマ処理方法 |
| JP2016086099A (ja) | 2014-10-27 | 2016-05-19 | 東京エレクトロン株式会社 | プラズマ処理装置 |
| JP2018533192A (ja) | 2015-09-04 | 2018-11-08 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 周期的かつ選択的な材料の除去及びエッチングのための処理チャンバ |
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|---|---|---|---|---|
| JPH11238597A (ja) * | 1998-02-23 | 1999-08-31 | Matsushita Electric Ind Co Ltd | プラズマ処理方法及び装置 |
| JP2003100722A (ja) | 2001-09-27 | 2003-04-04 | Tokyo Electron Ltd | プラズマ処理装置 |
| US20110061810A1 (en) * | 2009-09-11 | 2011-03-17 | Applied Materials, Inc. | Apparatus and Methods for Cyclical Oxidation and Etching |
| US9793126B2 (en) | 2010-08-04 | 2017-10-17 | Lam Research Corporation | Ion to neutral control for wafer processing with dual plasma source reactor |
| JP2015109249A (ja) * | 2013-10-22 | 2015-06-11 | 東京エレクトロン株式会社 | プラズマ処理装置 |
| US9963782B2 (en) * | 2015-02-12 | 2018-05-08 | Asm Ip Holding B.V. | Semiconductor manufacturing apparatus |
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2021
- 2021-02-15 US US17/904,427 patent/US20230064817A1/en active Pending
- 2021-02-15 WO PCT/JP2021/005550 patent/WO2021172072A1/ja not_active Ceased
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002194540A (ja) | 2000-12-26 | 2002-07-10 | Anelva Corp | プラズマ支援スパッタ成膜装置 |
| JP2004079829A (ja) | 2002-08-20 | 2004-03-11 | Tokyo Electron Ltd | プラズマ処理装置 |
| JP2012084848A (ja) | 2010-09-16 | 2012-04-26 | Tokyo Electron Ltd | プラズマ処理装置及びプラズマ処理方法 |
| JP2016086099A (ja) | 2014-10-27 | 2016-05-19 | 東京エレクトロン株式会社 | プラズマ処理装置 |
| JP2018533192A (ja) | 2015-09-04 | 2018-11-08 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 周期的かつ選択的な材料の除去及びエッチングのための処理チャンバ |
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| JP2021136114A (ja) | 2021-09-13 |
| KR20220141857A (ko) | 2022-10-20 |
| US20230064817A1 (en) | 2023-03-02 |
| KR102759377B1 (ko) | 2025-01-24 |
| WO2021172072A1 (ja) | 2021-09-02 |
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