JPWO2021124470A1 - プラズマ処理装置 - Google Patents
プラズマ処理装置 Download PDFInfo
- Publication number
- JPWO2021124470A1 JPWO2021124470A1 JP2020545817A JP2020545817A JPWO2021124470A1 JP WO2021124470 A1 JPWO2021124470 A1 JP WO2021124470A1 JP 2020545817 A JP2020545817 A JP 2020545817A JP 2020545817 A JP2020545817 A JP 2020545817A JP WO2021124470 A1 JPWO2021124470 A1 JP WO2021124470A1
- Authority
- JP
- Japan
- Prior art keywords
- ring
- wafer
- shaped member
- conductor
- plasma
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 99
- 239000004020 conductor Substances 0.000 claims abstract description 93
- 235000012431 wafers Nutrition 0.000 description 141
- 230000008859 change Effects 0.000 description 33
- 239000000463 material Substances 0.000 description 31
- 230000005684 electric field Effects 0.000 description 18
- 239000002245 particle Substances 0.000 description 16
- 238000009826 distribution Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 238000005530 etching Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 239000003989 dielectric material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009832 plasma treatment Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005513 bias potential Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H01J37/32183—Matching circuits
-
- 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
-
- 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
- H01J37/32568—Relative arrangement or disposition of electrodes; moving means
-
- 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
- H01J37/32623—Mechanical discharge control means
- H01J37/32642—Focus rings
-
- 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
- H01L21/31—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- 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
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
-
- 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
- H01J2237/334—Etching
-
- 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
- H01J2237/334—Etching
- H01J2237/3341—Reactive etching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
Abstract
Description
102…上部電極
103…絶縁リング
104…第1の高周波電源
105…接地
106…コイル
107…シャワープレート
108…真空排気口
110…試料台
111…誘電体膜
112…導体膜
113…誘電体膜
120…ウエハ
121…絶縁リング
122…導体リング
123…誘電体カバーリング
123a…内側側面
124…導体カバーリング
131…第2の高周波電源
132…整合器
133…直流電源
134…高周波フィルタ
135…負荷インピーダンス調整器
136…インピーダンス検出器
140…プラズマ
151…等電位面
152…シース界面。
Claims (6)
- 真空容器内部に配置され内部でプラズマが形成される処理室と、この処理室内の下部に配置され前記プラズマを用いた処理対象のウエハが載せられる試料台であって上部の中央部に配置された凸状部の上面に前記ウエハが載せられる試料台と、当該試料台内部に配置され前記ウエハの処理中に高周波電力が供給される電極と、前記試料台の前記凸状部の外周側で前記上面を囲んで配置された導体製のリング状部材と、このリング状部材と前記処理室との間及び前記試料台の上面との間で前記リング状部材を対して覆って配置された誘電体製の第1のリング状カバーと、前記処理室と第1のリング状カバーの上面との間でこれを覆って配置され導体製の第2のリング状カバーと、前記ウエハの処理中に前記導体製のリング状部材に高周波電力を供給する高周波電源と前記リング状部材との間を接続する給電経路を流れる高周波電力の電圧を検出した結果に応じて当該高周波電力の大きさを調節する調節器とを備えたプラズマ処理装置。
- 請求項1に記載のプラズマ処理装置であって、
前記導体製のリング状部材の内周側部分の表面が、当該リング状部材と前記試料台の凸状部との間で前記プラズマから当該リング状部材を覆う誘電体製の部材で覆われて当該部材の内周側部分の前記プラズマに面する表面と前記リング状部材の内周側部分の表面とが平行に配置されたプラズマ処理装置。 - 請求項2に記載のプラズマ処理装置であって、
前記リング状部材の内周側部分を覆う誘電体製の部材が前記第1のリング状カバーと一体に構成されたプラズマ処理装置。 - 請求項1乃至3に記載のプラズマ処理装置であって、
前記リング状部材の内周側部分を覆う前記誘電体製の部材の内周側部分が、前記導体性のリング状部材と前記膜状の電極との間に位置し外周側に向かって高さが高くされ傾斜した前記表面を有して当該誘電体製の部材の上下方向の厚さが大きくされ、当該傾斜した表面の外周側の上面にこれを覆って前記第2のリング状カバーが配置されたプラズマ処理装置。 - 請求項1乃至4の何れかに記載のプラズマ処理装置であって、
前記導体性のリング状部材の上面が前記試料台の上面より高い位置に配置されたプラズマ処理装置。 - 請求項1乃至5の何れかに記載のプラズマ処理装置であって、
前記導体製のリング状部材の下方で当該導体製のリング状部材と前記試料台内部の電極との間に配置されてこれらを絶縁する第3のリング状部材を備えたプラズマ処理装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/049535 WO2021124470A1 (ja) | 2019-12-18 | 2019-12-18 | プラズマ処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021124470A1 true JPWO2021124470A1 (ja) | 2021-12-23 |
JP7043617B2 JP7043617B2 (ja) | 2022-03-29 |
Family
ID=76477373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020545817A Active JP7043617B2 (ja) | 2019-12-18 | 2019-12-18 | プラズマ処理装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210249233A1 (ja) |
JP (1) | JP7043617B2 (ja) |
KR (1) | KR102503478B1 (ja) |
CN (1) | CN113348732B (ja) |
TW (1) | TWI757849B (ja) |
WO (1) | WO2021124470A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230067400A1 (en) * | 2021-08-30 | 2023-03-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Dry etcher uniformity control by tuning edge zone plasma sheath |
WO2024019901A1 (en) * | 2022-07-21 | 2024-01-25 | Lam Research Corporation | Precise feedback control of bias voltage tailored waveform for plasma etch processes |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005064460A (ja) * | 2003-04-24 | 2005-03-10 | Tokyo Electron Ltd | プラズマ処理装置、フォーカスリング及び被処理体の載置装置 |
JP2005303099A (ja) * | 2004-04-14 | 2005-10-27 | Hitachi High-Technologies Corp | プラズマ処理装置およびプラズマ処理方法 |
JP2011108764A (ja) * | 2009-11-16 | 2011-06-02 | Hitachi High-Technologies Corp | プラズマ処理装置 |
JP2017055100A (ja) * | 2015-07-13 | 2017-03-16 | ラム リサーチ コーポレーションLam Research Corporation | エッジに限局されたイオン軌道制御及びプラズマ動作を通じた、最端エッジにおけるシース及びウエハのプロフィール調整 |
JP2019192923A (ja) * | 2019-06-06 | 2019-10-31 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置およびプラズマ処理方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4676074B2 (ja) * | 2001-02-15 | 2011-04-27 | 東京エレクトロン株式会社 | フォーカスリング及びプラズマ処理装置 |
US20040261946A1 (en) * | 2003-04-24 | 2004-12-30 | Tokyo Electron Limited | Plasma processing apparatus, focus ring, and susceptor |
TW200520632A (en) * | 2003-09-05 | 2005-06-16 | Tokyo Electron Ltd | Focus ring and plasma processing apparatus |
JP5357639B2 (ja) * | 2009-06-24 | 2013-12-04 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置およびプラズマ処理方法 |
KR102034556B1 (ko) * | 2012-02-09 | 2019-10-21 | 도쿄엘렉트론가부시키가이샤 | 플라즈마 처리 방법 |
JP6014408B2 (ja) * | 2012-08-07 | 2016-10-25 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置及びプラズマ処理方法 |
JP2014108764A (ja) | 2012-12-04 | 2014-06-12 | Ashimori Ind Co Ltd | シートベルト用リトラクタ |
JP6539113B2 (ja) * | 2015-05-28 | 2019-07-03 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置およびプラズマ処理方法 |
JP6764383B2 (ja) * | 2017-09-20 | 2020-09-30 | 株式会社日立ハイテク | プラズマ処理装置 |
JP2019109980A (ja) * | 2017-12-15 | 2019-07-04 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置 |
JP7149068B2 (ja) * | 2017-12-21 | 2022-10-06 | 株式会社日立ハイテク | プラズマ処理装置およびプラズマ処理方法 |
-
2019
- 2019-12-18 CN CN201980015455.1A patent/CN113348732B/zh active Active
- 2019-12-18 US US16/980,501 patent/US20210249233A1/en active Pending
- 2019-12-18 WO PCT/JP2019/049535 patent/WO2021124470A1/ja active Application Filing
- 2019-12-18 JP JP2020545817A patent/JP7043617B2/ja active Active
- 2019-12-18 KR KR1020207023260A patent/KR102503478B1/ko active IP Right Grant
-
2020
- 2020-08-27 TW TW109129343A patent/TWI757849B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005064460A (ja) * | 2003-04-24 | 2005-03-10 | Tokyo Electron Ltd | プラズマ処理装置、フォーカスリング及び被処理体の載置装置 |
JP2005303099A (ja) * | 2004-04-14 | 2005-10-27 | Hitachi High-Technologies Corp | プラズマ処理装置およびプラズマ処理方法 |
JP2011108764A (ja) * | 2009-11-16 | 2011-06-02 | Hitachi High-Technologies Corp | プラズマ処理装置 |
JP2017055100A (ja) * | 2015-07-13 | 2017-03-16 | ラム リサーチ コーポレーションLam Research Corporation | エッジに限局されたイオン軌道制御及びプラズマ動作を通じた、最端エッジにおけるシース及びウエハのプロフィール調整 |
JP2019192923A (ja) * | 2019-06-06 | 2019-10-31 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置およびプラズマ処理方法 |
Also Published As
Publication number | Publication date |
---|---|
TW202126116A (zh) | 2021-07-01 |
US20210249233A1 (en) | 2021-08-12 |
CN113348732A (zh) | 2021-09-03 |
WO2021124470A1 (ja) | 2021-06-24 |
CN113348732B (zh) | 2024-02-09 |
KR20210080275A (ko) | 2021-06-30 |
KR102503478B1 (ko) | 2023-02-27 |
JP7043617B2 (ja) | 2022-03-29 |
TWI757849B (zh) | 2022-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11908661B2 (en) | Apparatus and methods for manipulating power at an edge ring in plasma process device | |
TWI505354B (zh) | Dry etching apparatus and dry etching method | |
US11004716B2 (en) | Electrostatic chuck assembly and semiconductor manufacturing apparatus including the same | |
KR101800649B1 (ko) | 플라즈마 처리 장치 및 플라즈마 처리 방법 | |
KR101654868B1 (ko) | 플라즈마 처리 장치, 플라즈마 처리 방법, 프로그램을 기록한 기록매체 | |
JP5097632B2 (ja) | プラズマエッチング処理装置 | |
US10103011B2 (en) | Plasma processing method and plasma processing apparatus | |
US20110297082A1 (en) | Plasma processing apparatus and sample stage | |
KR20120097504A (ko) | 플라즈마 프로세싱 시스템에서 플라즈마의 한정 상태를 검출하는 방법 및 장치 | |
KR101835435B1 (ko) | 플라즈마 처리 장치 | |
JP7364758B2 (ja) | プラズマ処理方法 | |
KR102149564B1 (ko) | 이탈 제어 방법 및 플라즈마 처리 장치 | |
CN109935511B (zh) | 等离子体处理装置 | |
JP7043617B2 (ja) | プラズマ処理装置 | |
JP5449994B2 (ja) | プラズマ処理装置 | |
KR102595900B1 (ko) | 플라즈마 처리 장치 | |
KR102207755B1 (ko) | 플라스마 처리 장치 | |
US20040040663A1 (en) | Plasma processing apparatus | |
US20220157576A1 (en) | Plasma processing apparatus | |
JP2023521756A (ja) | プラズマ処理装置のエッジリングにおける電力を操作するための装置及び方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200902 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200902 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210803 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211001 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220215 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220316 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7043617 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |