KR102482619B1 - 에칭 방법 - Google Patents
에칭 방법 Download PDFInfo
- Publication number
- KR102482619B1 KR102482619B1 KR1020160075717A KR20160075717A KR102482619B1 KR 102482619 B1 KR102482619 B1 KR 102482619B1 KR 1020160075717 A KR1020160075717 A KR 1020160075717A KR 20160075717 A KR20160075717 A KR 20160075717A KR 102482619 B1 KR102482619 B1 KR 102482619B1
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- KR
- South Korea
- Prior art keywords
- gas
- layer
- etching
- etched
- processing
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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
- H01L21/02—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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
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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
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
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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
- H01J37/3244—Gas supply means
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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
- H01J37/32623—Mechanical discharge control means
- H01J37/32642—Focus rings
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02299—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
- H01L21/02312—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment treatment by exposure to a gas or vapour
- H01L21/02315—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
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- 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
- H01L21/30655—Plasma etching; Reactive-ion etching comprising alternated and repeated etching and passivation steps, e.g. Bosch process
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- 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
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
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- 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
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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
- H01L21/31—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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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
- H01L21/31—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
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- 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
- H01L21/67005—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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- 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
- H01L21/67005—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
- H01L21/67069—Apparatus for fluid treatment for etching for drying etching
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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
- H01L21/67—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
- H01L21/673—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 using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
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- H—ELECTRICITY
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76861—Post-treatment or after-treatment not introducing additional chemical elements into the layer
- H01L21/76862—Bombardment with particles, e.g. treatment in noble gas plasmas; UV irradiation
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- 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
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- 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
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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
- H01L21/02—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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015125773A JP6529357B2 (ja) | 2015-06-23 | 2015-06-23 | エッチング方法 |
| JPJP-P-2015-125773 | 2015-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170000340A KR20170000340A (ko) | 2017-01-02 |
| KR102482619B1 true KR102482619B1 (ko) | 2022-12-28 |
Family
ID=57602823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160075717A Active KR102482619B1 (ko) | 2015-06-23 | 2016-06-17 | 에칭 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US9899232B2 (enExample) |
| JP (1) | JP6529357B2 (enExample) |
| KR (1) | KR102482619B1 (enExample) |
| TW (1) | TWI697046B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7022651B2 (ja) * | 2018-05-28 | 2022-02-18 | 東京エレクトロン株式会社 | 膜をエッチングする方法及びプラズマ処理装置 |
| JP7198609B2 (ja) | 2018-08-21 | 2023-01-04 | 東京エレクトロン株式会社 | エッチング方法及びプラズマ処理装置 |
| JP6921799B2 (ja) * | 2018-11-30 | 2021-08-18 | 東京エレクトロン株式会社 | 基板処理方法および基板処理システム |
| JP7174634B2 (ja) * | 2019-01-18 | 2022-11-17 | 東京エレクトロン株式会社 | 膜をエッチングする方法 |
| US10886136B2 (en) * | 2019-01-31 | 2021-01-05 | Tokyo Electron Limited | Method for processing substrates |
| JP7190940B2 (ja) * | 2019-03-01 | 2022-12-16 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
| JP7330046B2 (ja) * | 2019-09-30 | 2023-08-21 | 東京エレクトロン株式会社 | 基板処理方法、及び基板処理装置 |
| JP7323409B2 (ja) * | 2019-10-01 | 2023-08-08 | 東京エレクトロン株式会社 | 基板処理方法、及び、プラズマ処理装置 |
| JP7398915B2 (ja) | 2019-10-01 | 2023-12-15 | 東京エレクトロン株式会社 | 基板処理方法、半導体デバイスの製造方法、及び、プラズマ処理装置 |
| US20210195726A1 (en) * | 2019-12-12 | 2021-06-24 | James Andrew Leskosek | Linear accelerator using a stacked array of cyclotrons |
| TW202213517A (zh) * | 2020-08-28 | 2022-04-01 | 日商東京威力科創股份有限公司 | 基板處理方法及電漿處理裝置 |
| US20220310626A1 (en) * | 2021-03-29 | 2022-09-29 | Changxin Memory Technologies, Inc. | Method for fabricating semiconductor device |
| KR20240000122U (ko) | 2022-07-12 | 2024-01-19 | 주식회사 피앤피코리아 | 친환경벽지로 만든 다이어리커버 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090242516A1 (en) | 2008-03-31 | 2009-10-01 | Tokyo Electron Limited | Plasma etching method and computer readable storage medium |
| US20130105947A1 (en) * | 2011-10-26 | 2013-05-02 | Zeon Corporation | High aspect ratio and reduced undercut trench etch process for a semiconductor substrate |
| US20140120726A1 (en) * | 2012-11-01 | 2014-05-01 | Srinivas D. Nemani | Method of patterning a low-k dielectric film |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04100229A (ja) * | 1990-08-20 | 1992-04-02 | Fujitsu Ltd | 半導体装置の製造方法 |
| JPH11195641A (ja) * | 1998-01-05 | 1999-07-21 | Matsushita Electric Ind Co Ltd | プラズマ処理方法 |
| US6423175B1 (en) * | 1999-10-06 | 2002-07-23 | Taiwan Semiconductor Manufacturing Co., Ltd | Apparatus and method for reducing particle contamination in an etcher |
| US6569774B1 (en) * | 2000-08-31 | 2003-05-27 | Micron Technology, Inc. | Method to eliminate striations and surface roughness caused by dry etch |
| JP4176365B2 (ja) * | 2002-03-25 | 2008-11-05 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
| US20040241995A1 (en) * | 2003-03-27 | 2004-12-02 | Matsushita Electric Industrial Co., Ltd. | Etching apparatus and etching method |
| US7740737B2 (en) * | 2004-06-21 | 2010-06-22 | Tokyo Electron Limited | Plasma processing apparatus and method |
| US20060151116A1 (en) * | 2005-01-12 | 2006-07-13 | Taiwan Semiconductor Manufacturing Co., Ltd. | Focus rings, apparatus in chamber, contact hole and method of forming contact hole |
| JP4701776B2 (ja) | 2005-03-25 | 2011-06-15 | 東京エレクトロン株式会社 | エッチング方法及びエッチング装置 |
| US7704849B2 (en) * | 2007-12-03 | 2010-04-27 | Micron Technology, Inc. | Methods of forming trench isolation in silicon of a semiconductor substrate by plasma |
| US8614151B2 (en) * | 2008-01-04 | 2013-12-24 | Micron Technology, Inc. | Method of etching a high aspect ratio contact |
| JP5530088B2 (ja) * | 2008-10-20 | 2014-06-25 | 東京エレクトロン株式会社 | プラズマエッチング方法及びプラズマエッチング装置 |
| JP5466468B2 (ja) * | 2009-10-05 | 2014-04-09 | 旭化成イーマテリアルズ株式会社 | ドライエッチング方法 |
| US9287113B2 (en) * | 2012-11-08 | 2016-03-15 | Novellus Systems, Inc. | Methods for depositing films on sensitive substrates |
| JP5860668B2 (ja) * | 2011-10-28 | 2016-02-16 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
| JP2014107387A (ja) * | 2012-11-27 | 2014-06-09 | Tokyo Electron Ltd | 載置台構造及びフォーカスリングを保持する方法 |
| JP6059048B2 (ja) * | 2013-03-11 | 2017-01-11 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
| JP6140575B2 (ja) * | 2013-08-26 | 2017-05-31 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
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2015
- 2015-06-23 JP JP2015125773A patent/JP6529357B2/ja active Active
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2016
- 2016-06-16 US US15/183,976 patent/US9899232B2/en active Active
- 2016-06-17 KR KR1020160075717A patent/KR102482619B1/ko active Active
- 2016-06-21 TW TW105119381A patent/TWI697046B/zh active
-
2018
- 2018-01-10 US US15/867,388 patent/US10916442B2/en active Active
-
2021
- 2021-01-15 US US17/149,886 patent/US20210134604A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090242516A1 (en) | 2008-03-31 | 2009-10-01 | Tokyo Electron Limited | Plasma etching method and computer readable storage medium |
| US20130105947A1 (en) * | 2011-10-26 | 2013-05-02 | Zeon Corporation | High aspect ratio and reduced undercut trench etch process for a semiconductor substrate |
| US20140120726A1 (en) * | 2012-11-01 | 2014-05-01 | Srinivas D. Nemani | Method of patterning a low-k dielectric film |
Also Published As
| Publication number | Publication date |
|---|---|
| US10916442B2 (en) | 2021-02-09 |
| KR20170000340A (ko) | 2017-01-02 |
| TW201717276A (zh) | 2017-05-16 |
| JP6529357B2 (ja) | 2019-06-12 |
| US9899232B2 (en) | 2018-02-20 |
| TWI697046B (zh) | 2020-06-21 |
| US20210134604A1 (en) | 2021-05-06 |
| US20180130670A1 (en) | 2018-05-10 |
| US20160379834A1 (en) | 2016-12-29 |
| JP2017011127A (ja) | 2017-01-12 |
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