JP2021057572A - 基板支持器及びプラズマ処理装置 - Google Patents
基板支持器及びプラズマ処理装置 Download PDFInfo
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- JP2021057572A JP2021057572A JP2020112576A JP2020112576A JP2021057572A JP 2021057572 A JP2021057572 A JP 2021057572A JP 2020112576 A JP2020112576 A JP 2020112576A JP 2020112576 A JP2020112576 A JP 2020112576A JP 2021057572 A JP2021057572 A JP 2021057572A
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- 239000000758 substrate Substances 0.000 title claims abstract description 124
- 230000002093 peripheral effect Effects 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 9
- 230000035515 penetration Effects 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 3
- 238000009832 plasma treatment Methods 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
- 238000007743 anodising Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 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
- 239000013626 chemical specie Substances 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
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- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68742—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a lifting arrangement, e.g. lift pins
-
- 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
- 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
- H01J37/32449—Gas control, e.g. control of the gas flow
-
- 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
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68735—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by edge profile or support profile
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68757—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a coating or a hardness or a material
-
- 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
- H01J2237/20—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
- H01J2237/2007—Holding mechanisms
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
Abstract
Description
Claims (10)
- 基板支持領域及び環状領域を有する本体部であり、前記環状領域は、前記基板支持領域を囲む、該本体部と、
前記環状領域上に配置され、貫通孔を有する第1のリングと、
前記第1のリング上に配置される第2のリングであり、前記基板支持領域上の基板の端面に対面する内周面を有する、該第2のリングと、
下側ロッド及び上側ロッドを含むリフトピンであり、前記下側ロッドは、前記第1のリングに当接可能な上端面を有し、前記上側ロッドは、前記下側ロッドの前記上端面から上方に延在し、前記第1のリングの貫通孔を介して前記第2のリングに当接可能であり、前記貫通孔の長さよりも大きな長さを有する、該リフトピンと、
を備える基板支持器。 - 前記上側ロッドは、前記下側ロッドより細い、請求項1に記載の基板支持器。
- 前記下側ロッドと前記上側ロッドの各々は、円柱形状を有し、
前記下側ロッドの直径は、前記上側ロッドの直径よりも大きい、
請求項1又は請求項2に記載の基板支持器。 - 前記上側ロッドは、
前記下側ロッドから上方に延びる第1の部分と、
前記第1の部分から上方に延び、先端部を含む第2の部分と、
を有し、
前記第1の部分は前記第2の部分よりも太い、
請求項3に記載の基板支持器。 - 前記下側ロッド、前記第1の部分、及び前記第2の部分は、円柱形状を有し、
前記第1の部分は、前記下側ロッドの直径よりも小さく、前記第2の部分の直径よりも大きい直径を有する、
請求項4に記載の基板支持器。 - 前記上側ロッドは、前記第1の部分と前記第2の部分の間にテーパー部分を更に含む、請求項5に記載の基板支持器。
- 前記第2のリングは、前記上側ロッドの前記先端部が嵌まる凹部を有する、請求項6に記載の基板支持器。
- 前記本体部は、基台と、前記基台上に配置される静電チャックとを含む、請求項1〜7の何れか一項に記載の基板支持器。
- チャンバと、
前記チャンバ内に配置される、請求項1〜8の何れか一項に記載の基板支持器と、
前記リフトピンを昇降させるように構成された駆動装置と、
を備えるプラズマ処理装置。 - 前記チャンバ内にクリーニングガスを供給するように構成されたガス供給部と、
前記チャンバ内で前記クリーニングガスからプラズマを生成するためのエネルギーを供給するように構成されたエネルギー源と、
制御部と、
を更に備え、
前記制御部は、
前記リフトピンが前記第1のリング及び第2のリング又は前記第2のリングを前記基板支持器から持ち上げるよう前記駆動装置を制御し、
前記第1のリング及び第2のリング又は前記第2のリングが前記基板支持器から持ち上げられている間、前記クリーニングガスを前記チャンバ内に供給し、該クリーニングガスからプラズマを生成するよう前記ガス供給部及び前記エネルギー源を制御するように構成される、
請求項9に記載のプラズマ処理装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW109131440A TW202117912A (zh) | 2019-09-26 | 2020-09-14 | 基板支持器及電漿處理裝置 |
KR1020200118372A KR102699830B1 (ko) | 2019-09-26 | 2020-09-15 | 기판 지지기 및 플라즈마 처리 장치 |
CN202010971656.3A CN112563186A (zh) | 2019-09-26 | 2020-09-16 | 基片支承器和等离子体处理装置 |
SG10202009297VA SG10202009297VA (en) | 2019-09-26 | 2020-09-22 | Substrate support and plasma processing apparatus |
US17/032,930 US11387080B2 (en) | 2019-09-26 | 2020-09-25 | Substrate support and plasma processing apparatus |
US17/834,758 US20220301833A1 (en) | 2019-09-26 | 2022-06-07 | Substrate support and plasma processing apparatus |
JP2024044872A JP2024075697A (ja) | 2019-09-26 | 2024-03-21 | 基板支持器及びプラズマ処理装置 |
KR1020240108310A KR20240127322A (ko) | 2019-09-26 | 2024-08-13 | 기판 지지기 및 플라즈마 처리 장치 |
Applications Claiming Priority (2)
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---|---|---|---|
JP2019175232 | 2019-09-26 | ||
JP2019175232 | 2019-09-26 |
Related Child Applications (1)
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JP2024044872A Division JP2024075697A (ja) | 2019-09-26 | 2024-03-21 | 基板支持器及びプラズマ処理装置 |
Publications (2)
Publication Number | Publication Date |
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JP2021057572A true JP2021057572A (ja) | 2021-04-08 |
JP7465733B2 JP7465733B2 (ja) | 2024-04-11 |
Family
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JP2020112576A Active JP7465733B2 (ja) | 2019-09-26 | 2020-06-30 | 基板支持器及びプラズマ処理装置 |
JP2024044872A Pending JP2024075697A (ja) | 2019-09-26 | 2024-03-21 | 基板支持器及びプラズマ処理装置 |
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JP2024044872A Pending JP2024075697A (ja) | 2019-09-26 | 2024-03-21 | 基板支持器及びプラズマ処理装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220301833A1 (ja) |
JP (2) | JP7465733B2 (ja) |
KR (2) | KR102699830B1 (ja) |
SG (1) | SG10202009297VA (ja) |
TW (1) | TW202117912A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023120679A1 (ja) * | 2021-12-23 | 2023-06-29 | 東京エレクトロン株式会社 | プラズマ処理装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102639129B1 (ko) * | 2023-07-19 | 2024-02-21 | 주식회사 기가레인 | 웨이퍼 디척킹 장치 및 방법 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001230239A (ja) | 2000-02-15 | 2001-08-24 | Tokyo Electron Ltd | 処理装置及び処理方法 |
US8382942B2 (en) * | 2003-03-21 | 2013-02-26 | Tokyo Electron Limited | Method and apparatus for reducing substrate backside deposition during processing |
JP5948026B2 (ja) | 2011-08-17 | 2016-07-06 | 東京エレクトロン株式会社 | 半導体製造装置及び処理方法 |
US10658222B2 (en) * | 2015-01-16 | 2020-05-19 | Lam Research Corporation | Moveable edge coupling ring for edge process control during semiconductor wafer processing |
US10903055B2 (en) * | 2015-04-17 | 2021-01-26 | Applied Materials, Inc. | Edge ring for bevel polymer reduction |
CN116110846A (zh) | 2016-01-26 | 2023-05-12 | 应用材料公司 | 晶片边缘环升降解决方案 |
CN108369922B (zh) | 2016-01-26 | 2023-03-21 | 应用材料公司 | 晶片边缘环升降解决方案 |
JP6812224B2 (ja) * | 2016-12-08 | 2021-01-13 | 東京エレクトロン株式会社 | 基板処理装置及び載置台 |
JP7055039B2 (ja) | 2017-03-22 | 2022-04-15 | 東京エレクトロン株式会社 | 基板処理装置 |
US11043400B2 (en) | 2017-12-21 | 2021-06-22 | Applied Materials, Inc. | Movable and removable process kit |
-
2020
- 2020-06-30 JP JP2020112576A patent/JP7465733B2/ja active Active
- 2020-09-14 TW TW109131440A patent/TW202117912A/zh unknown
- 2020-09-15 KR KR1020200118372A patent/KR102699830B1/ko active IP Right Grant
- 2020-09-22 SG SG10202009297VA patent/SG10202009297VA/en unknown
-
2022
- 2022-06-07 US US17/834,758 patent/US20220301833A1/en not_active Abandoned
-
2024
- 2024-03-21 JP JP2024044872A patent/JP2024075697A/ja active Pending
- 2024-08-13 KR KR1020240108310A patent/KR20240127322A/ko active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023120679A1 (ja) * | 2021-12-23 | 2023-06-29 | 東京エレクトロン株式会社 | プラズマ処理装置 |
WO2024134927A1 (ja) * | 2021-12-23 | 2024-06-27 | 東京エレクトロン株式会社 | プラズマ処理装置 |
Also Published As
Publication number | Publication date |
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JP2024075697A (ja) | 2024-06-04 |
SG10202009297VA (en) | 2021-04-29 |
KR20240127322A (ko) | 2024-08-22 |
KR20210036813A (ko) | 2021-04-05 |
TW202117912A (zh) | 2021-05-01 |
KR102699830B1 (ko) | 2024-08-27 |
JP7465733B2 (ja) | 2024-04-11 |
US20220301833A1 (en) | 2022-09-22 |
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