JP7184303B2 - シャワープレート、プラズマ処理装置及びプラズマ処理方法 - Google Patents
シャワープレート、プラズマ処理装置及びプラズマ処理方法 Download PDFInfo
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- 230000005684 electric field Effects 0.000 description 21
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 239000010408 film Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
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- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 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
- 230000005284 excitation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229940105963 yttrium fluoride Drugs 0.000 description 2
- RBORBHYCVONNJH-UHFFFAOYSA-K yttrium(iii) fluoride Chemical compound F[Y](F)F RBORBHYCVONNJH-UHFFFAOYSA-K 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- CHBIYWIUHAZZNR-UHFFFAOYSA-N [Y].FOF Chemical compound [Y].FOF CHBIYWIUHAZZNR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction 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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/32091—Radio frequency generated discharge the radio frequency energy being capacitively coupled to the plasma
-
- 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
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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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- 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
- H01J37/32174—Circuits specially adapted for controlling the RF discharge
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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
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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
- H01J37/32541—Shape
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- 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
- H01J37/32568—Relative arrangement or disposition of electrodes; moving means
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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
- H01J37/32715—Workpiece holder
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- 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
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- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
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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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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/20—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
- H01J2237/2007—Holding mechanisms
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- Chemical Kinetics & Catalysis (AREA)
- Plasma Technology (AREA)
- Drying Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
Description
以上のように、上述のプラズマ処理装置を用いたプラズマ処理方法は、シャワープレート18の下に基板Wを配置する工程と、上部電極14に高周波電圧を印加してプラズマを発生させ、基板の表面処理を行う工程を備えている。処理容器10内には処理ガスを供給しながら、処理を行うが、処理ガスの種類に応じて、基板Wのエッチングや成膜を行うことができる。このプラズマ処理装置を用いると、ステージ上のプラズマの面内均一性を向上させることができるので、面内均一性の高い処理が可能となる。
Claims (6)
- ステージに対向して配置された上部誘電体と、
前記上部誘電体内に埋め込まれ、グランド電位に接続される第1導電層と、
前記上部誘電体内に埋め込まれ、前記第1導電層の下方に位置し、高周波電源に接続される上部電極としての第2導電層と、
を備え、
前記上部誘電体の下面と前記第2導電層との間の距離は、中央部よりも周辺部の方が小さく、
前記第1導電層と前記第2導電層との間の前記上部誘電体内を高周波が伝搬する、
シャワープレート。 - 前記上部誘電体は、ガス吐出孔を有する、
請求項1に記載のシャワープレート。 - 前記上部電極には、30~300MHzの高周波電圧が印加される、
請求項1又は2に記載のシャワープレート。 - 請求項1~3のいずれか一項に記載のシャワープレートを備えたプラズマ処理装置であって、
前記ステージは、
前記上部誘電体に対向配置された下部誘電体と、
前記下部誘電体内に埋め込まれた下部電極と、
を備え、
前記シャワープレートおよび前記ステージを収容する処理容器と、
前記処理容器内にプラズマを発生させるための前記高周波電源と、
を備えるプラズマ処理装置。 - 前記下部電極は、
前記ステージ上に載置される基板と該ステージとの間で静電引力を発生させるための電極、
高周波が供給される電極、及び、
接地される電極、のうち何れかであり、
環状に形成されている、
請求項4に記載のプラズマ処理装置。 - 請求項4又は5に記載のプラズマ処理装置を用いたプラズマ処理方法において、
前記シャワープレートの下に基板を配置する工程と、
前記上部電極としての前記第2導電層に高周波電圧を印加させることでプラズマを発生させ、前記基板の表面処理を行う工程と、
を備えるプラズマ処理方法。
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JP2018229223 | 2018-12-06 | ||
JP2018229223 | 2018-12-06 | ||
PCT/JP2019/046214 WO2020116246A1 (ja) | 2018-12-06 | 2019-11-26 | シャワープレート、プラズマ処理装置及びプラズマ処理方法 |
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JPWO2020116246A1 JPWO2020116246A1 (ja) | 2021-10-28 |
JP7184303B2 true JP7184303B2 (ja) | 2022-12-06 |
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US (1) | US12051564B2 (ja) |
JP (1) | JP7184303B2 (ja) |
KR (1) | KR102607686B1 (ja) |
WO (1) | WO2020116246A1 (ja) |
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US12051564B2 (en) * | 2018-12-06 | 2024-07-30 | Tokyo Electron Limited | Shower plate, plasma processing apparatus and plasma processing method |
WO2022264922A1 (ja) * | 2021-06-15 | 2022-12-22 | 京セラ株式会社 | プラズマ処理装置用部材 |
WO2023054531A1 (ja) * | 2021-09-29 | 2023-04-06 | 京セラ株式会社 | シャワープレート |
CN113699509B (zh) | 2021-10-27 | 2022-02-01 | 苏州长光华芯光电技术股份有限公司 | 一种半导体生长设备及其工作方法 |
Citations (5)
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JP2002050618A (ja) | 2000-05-04 | 2002-02-15 | Tokyo Electron Ltd | プラズマを用いて基板を処理するための装置および方法 |
JP2007505450A (ja) | 2003-09-10 | 2007-03-08 | ユナキス・バルツェルス・アクチェンゲゼルシャフト | 長方形状大面積基板処理用の高周波プラズマ反応器のための電圧不均一性補償方法 |
JP2011138907A (ja) | 2009-12-28 | 2011-07-14 | Tokyo Electron Ltd | プラズマ処理装置 |
JP2011171750A (ja) | 2011-03-24 | 2011-09-01 | Tokyo Electron Ltd | プラズマ処理装置 |
JP2012186457A (ja) | 2011-02-15 | 2012-09-27 | Tokyo Electron Ltd | 上部電極及びプラズマ処理装置 |
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JP3595853B2 (ja) * | 1999-03-18 | 2004-12-02 | 日本エー・エス・エム株式会社 | プラズマcvd成膜装置 |
JP4454718B2 (ja) | 1999-05-07 | 2010-04-21 | 東京エレクトロン株式会社 | プラズマ処理装置およびそれに用いられる電極 |
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JP5317992B2 (ja) | 2003-02-03 | 2013-10-16 | 株式会社オクテック | プラズマ処理装置及びプラズマ処理装置用の電極板 |
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JP2016195150A (ja) | 2015-03-31 | 2016-11-17 | パナソニックIpマネジメント株式会社 | プラズマ処理装置およびプラズマ処理方法 |
US12051564B2 (en) * | 2018-12-06 | 2024-07-30 | Tokyo Electron Limited | Shower plate, plasma processing apparatus and plasma processing method |
-
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- 2019-11-26 US US17/299,958 patent/US12051564B2/en active Active
- 2019-11-26 JP JP2020559086A patent/JP7184303B2/ja active Active
- 2019-11-26 KR KR1020217021010A patent/KR102607686B1/ko active IP Right Grant
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JP2002050618A (ja) | 2000-05-04 | 2002-02-15 | Tokyo Electron Ltd | プラズマを用いて基板を処理するための装置および方法 |
JP2007505450A (ja) | 2003-09-10 | 2007-03-08 | ユナキス・バルツェルス・アクチェンゲゼルシャフト | 長方形状大面積基板処理用の高周波プラズマ反応器のための電圧不均一性補償方法 |
JP2011138907A (ja) | 2009-12-28 | 2011-07-14 | Tokyo Electron Ltd | プラズマ処理装置 |
JP2012186457A (ja) | 2011-02-15 | 2012-09-27 | Tokyo Electron Ltd | 上部電極及びプラズマ処理装置 |
JP2011171750A (ja) | 2011-03-24 | 2011-09-01 | Tokyo Electron Ltd | プラズマ処理装置 |
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KR20210098522A (ko) | 2021-08-10 |
KR102607686B1 (ko) | 2023-11-30 |
JPWO2020116246A1 (ja) | 2021-10-28 |
US12051564B2 (en) | 2024-07-30 |
US20220037117A1 (en) | 2022-02-03 |
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