JP2021068880A - 吸着方法、載置台及びプラズマ処理装置 - Google Patents
吸着方法、載置台及びプラズマ処理装置 Download PDFInfo
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- 238000001514 detection method Methods 0.000 claims 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
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- 230000007246 mechanism Effects 0.000 description 2
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- 238000009832 plasma treatment Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 239000010453 quartz Substances 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- 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
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- 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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- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
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- H—ELECTRICITY
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- 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
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- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
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- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
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- H—ELECTRICITY
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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
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/334—Etching
Abstract
Description
一実施形態に係るプラズマ処理装置1について、図1を参照して説明する。図1は、一実施形態に係るプラズマ処理装置1の一例を示す断面模式図である。一実施形態に係るプラズマ処理装置1は、容量結合型の平行平板処理装置であり、チャンバ10を有する。チャンバ10は、例えば表面が陽極酸化処理されたアルミニウムからなる円筒状の容器であり、接地されている。
第2の参考例においては、印加される交流電圧の平均電圧は、GNDを基準に印加される。換言すれば、印加される交流電圧の平均電圧を0Vとする。
1 プラズマ処理装置
10 チャンバ
12 絶縁板
14 支持台
16 載置台
16a 基台
20 静電チャック
20a 第1の電極
20b 絶縁層
20c 第2の電極
20a1,20a2,20a3,20c1,20c2,20c3 電極
22,23 電源
24 エッジリング(被吸着物)
56 切替器
57 直流電圧検出器(電圧検出部)
200 制御部
Claims (8)
- 静電チャックを備える載置台に基板又はエッジリングのうち少なくとも一つである被吸着物を吸着する吸着方法であって、
前記静電チャック上に前記被吸着物を載置するステップと、
前記静電チャックの電極に、互いに位相が異なる2以上のn相の交流電圧を印加するステップと、を有し、
前記n相の交流電圧は、セルフバイアス電圧に基づいて印加される、
吸着方法。 - 前記n相の交流電圧は、交流成分に、前記セルフバイアス電圧に基づく負の直流電圧を重畳して印加される、
請求項1に記載の吸着方法。 - 重畳される前記セルフバイアス電圧は、プラズマ処理の条件に応じて算出される、
請求項2に記載の吸着方法。 - 重畳される前記セルフバイアス電圧は、前記被吸着物の電圧を検出する電圧検出部の検出値である、
請求項2に記載の吸着方法。 - 基台と、
前記基台の上に設けられ、内部に2以上のn極の電極を有する静電チャックと、
前記n極の電極に互いに位相が異なる2以上のn相の交流電圧を印加する電源と、を備え、
前記電源は、セルフバイアス電圧に基づいて交流電圧を印加する、
載置台。 - 前記電源は、交流成分に、前記セルフバイアス電圧に基づく負の直流電圧を重畳して交流電圧を印加する、
請求項5に記載の載置台。 - 請求項5または請求項6に記載の載置台を備える、
プラズマ処理装置。 - 前記載置台に載置され吸着される基板又はエッジリングのうち少なくとも一つである被吸着物の裏面と、前記載置台の表面と、の間に伝熱ガスを供給するガス供給部を更に備える、
請求項7に記載のプラズマ処理装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019195653A JP2021068880A (ja) | 2019-10-28 | 2019-10-28 | 吸着方法、載置台及びプラズマ処理装置 |
KR1020200136911A KR20210050465A (ko) | 2019-10-28 | 2020-10-21 | 흡착 방법, 거치대 및 플라즈마 처리 장치 |
CN202011141246.2A CN112736008A (zh) | 2019-10-28 | 2020-10-22 | 吸附方法、载置台及等离子体处理装置 |
US17/077,241 US20210126559A1 (en) | 2019-10-28 | 2020-10-22 | Attracting method, mounting table, and plasma processing apparatus |
US18/187,805 US20230238225A1 (en) | 2019-10-28 | 2023-03-22 | Attracting method |
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JP2019195653A JP2021068880A (ja) | 2019-10-28 | 2019-10-28 | 吸着方法、載置台及びプラズマ処理装置 |
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JP2021068880A true JP2021068880A (ja) | 2021-04-30 |
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JP2019195653A Pending JP2021068880A (ja) | 2019-10-28 | 2019-10-28 | 吸着方法、載置台及びプラズマ処理装置 |
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Country | Link |
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US (2) | US20210126559A1 (ja) |
JP (1) | JP2021068880A (ja) |
KR (1) | KR20210050465A (ja) |
CN (1) | CN112736008A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20230067400A1 (en) * | 2021-08-30 | 2023-03-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Dry etcher uniformity control by tuning edge zone plasma sheath |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08124913A (ja) * | 1994-10-27 | 1996-05-17 | Nec Corp | エッチング装置 |
JPH09153540A (ja) * | 1995-11-30 | 1997-06-10 | Tokyo Electron Ltd | 処理装置 |
JP2010024487A (ja) * | 2008-07-17 | 2010-02-04 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP2015099839A (ja) * | 2013-11-19 | 2015-05-28 | 東京エレクトロン株式会社 | 載置台に被吸着物を吸着する方法及び処理装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3974475B2 (ja) | 2002-03-04 | 2007-09-12 | 株式会社日立ハイテクノロジーズ | 静電チャック装置及びその装置を用いた基板の処理方法 |
-
2019
- 2019-10-28 JP JP2019195653A patent/JP2021068880A/ja active Pending
-
2020
- 2020-10-21 KR KR1020200136911A patent/KR20210050465A/ko active Search and Examination
- 2020-10-22 US US17/077,241 patent/US20210126559A1/en not_active Abandoned
- 2020-10-22 CN CN202011141246.2A patent/CN112736008A/zh active Pending
-
2023
- 2023-03-22 US US18/187,805 patent/US20230238225A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08124913A (ja) * | 1994-10-27 | 1996-05-17 | Nec Corp | エッチング装置 |
JPH09153540A (ja) * | 1995-11-30 | 1997-06-10 | Tokyo Electron Ltd | 処理装置 |
JP2010024487A (ja) * | 2008-07-17 | 2010-02-04 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP2015099839A (ja) * | 2013-11-19 | 2015-05-28 | 東京エレクトロン株式会社 | 載置台に被吸着物を吸着する方法及び処理装置 |
Also Published As
Publication number | Publication date |
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KR20210050465A (ko) | 2021-05-07 |
US20210126559A1 (en) | 2021-04-29 |
US20230238225A1 (en) | 2023-07-27 |
CN112736008A (zh) | 2021-04-30 |
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