SG188723A1 - Etch process for 3d flash structures - Google Patents

Etch process for 3d flash structures Download PDF

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Publication number
SG188723A1
SG188723A1 SG2012062352A SG2012062352A SG188723A1 SG 188723 A1 SG188723 A1 SG 188723A1 SG 2012062352 A SG2012062352 A SG 2012062352A SG 2012062352 A SG2012062352 A SG 2012062352A SG 188723 A1 SG188723 A1 SG 188723A1
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SG
Singapore
Prior art keywords
etch
bilayers
recited
pressure
wafer
Prior art date
Application number
SG2012062352A
Other languages
English (en)
Inventor
Le Gouil Anne
R Lindain Jeffrey
Ishikawa Yasushi
Yamaguchi-Adams Yoko
Original Assignee
Lam Res Corp
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Publication date
Application filed by Lam Res Corp filed Critical Lam Res Corp
Publication of SG188723A1 publication Critical patent/SG188723A1/en

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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
    • 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
    • H01J37/321—Radio frequency generated discharge the radio frequency energy being inductively 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
    • H01J37/32431—Constructional details of the reactor
    • H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
    • H01J37/32816—Pressure
    • 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
    • H01L21/30604—Chemical etching
    • H01L21/30612—Etching of AIIIBV compounds
    • H01L21/30621—Vapour phase etching
    • 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
    • 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
    • H01L21/3205—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
    • 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
    • H01L21/3205—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
    • 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
    • H01L21/3205—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
    • H01L21/32137—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 of silicon-containing layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B43/00—EEPROM devices comprising charge-trapping gate insulators
    • H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
    • H10D89/10—Integrated device layouts
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
    • H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B43/00—EEPROM devices comprising charge-trapping gate insulators
    • H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H10B43/23—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
    • H10B43/27—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Drying Of Semiconductors (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)
SG2012062352A 2011-09-06 2012-08-21 Etch process for 3d flash structures SG188723A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/226,087 US8598040B2 (en) 2011-09-06 2011-09-06 ETCH process for 3D flash structures

Publications (1)

Publication Number Publication Date
SG188723A1 true SG188723A1 (en) 2013-04-30

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Application Number Title Priority Date Filing Date
SG2012062352A SG188723A1 (en) 2011-09-06 2012-08-21 Etch process for 3d flash structures

Country Status (6)

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US (1) US8598040B2 (enExample)
JP (1) JP6219558B2 (enExample)
KR (1) KR101979957B1 (enExample)
CN (1) CN102983052B (enExample)
SG (1) SG188723A1 (enExample)
TW (1) TWI559393B (enExample)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102034556B1 (ko) * 2012-02-09 2019-10-21 도쿄엘렉트론가부시키가이샤 플라즈마 처리 방법
US9299574B2 (en) * 2013-01-25 2016-03-29 Applied Materials, Inc. Silicon dioxide-polysilicon multi-layered stack etching with plasma etch chamber employing non-corrosive etchants
US9129911B2 (en) 2013-01-31 2015-09-08 Applied Materials, Inc. Boron-doped carbon-based hardmask etch processing
US20140342570A1 (en) * 2013-05-16 2014-11-20 Applied Materials, Inc. Etch process having adaptive control with etch depth of pressure and power
JP6211947B2 (ja) 2013-07-31 2017-10-11 東京エレクトロン株式会社 半導体装置の製造方法
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
US9018103B2 (en) * 2013-09-26 2015-04-28 Lam Research Corporation High aspect ratio etch with combination mask
JP6267953B2 (ja) 2013-12-19 2018-01-24 東京エレクトロン株式会社 半導体装置の製造方法
CN104793289B (zh) * 2014-01-21 2019-05-10 吉林师范大学 有机聚合物等离子刻蚀工艺误差对器件影响的补偿方法
JP6277004B2 (ja) 2014-01-31 2018-02-07 株式会社日立ハイテクノロジーズ ドライエッチング方法
JP6230930B2 (ja) * 2014-02-17 2017-11-15 東京エレクトロン株式会社 半導体装置の製造方法
JP6289996B2 (ja) * 2014-05-14 2018-03-07 東京エレクトロン株式会社 被エッチング層をエッチングする方法
CN105336570A (zh) * 2014-07-14 2016-02-17 北京北方微电子基地设备工艺研究中心有限责任公司 基片刻蚀方法
US20160020119A1 (en) * 2014-07-16 2016-01-21 Macronix International Co., Ltd. Method of Controlling Recess Depth and Bottom ECD in Over-Etching
US9449821B2 (en) * 2014-07-17 2016-09-20 Macronix International Co., Ltd. Composite hard mask etching profile for preventing pattern collapse in high-aspect-ratio trenches
JP6423643B2 (ja) * 2014-08-08 2018-11-14 東京エレクトロン株式会社 多層膜をエッチングする方法
JP6454492B2 (ja) * 2014-08-08 2019-01-16 東京エレクトロン株式会社 多層膜をエッチングする方法
CN105374737B (zh) * 2014-08-25 2019-02-26 中微半导体设备(上海)有限公司 抑制刻蚀过程中孔底部出现缺口的方法、孔的形成方法
JP6328524B2 (ja) * 2014-08-29 2018-05-23 東京エレクトロン株式会社 エッチング方法
JP6339961B2 (ja) 2015-03-31 2018-06-06 東京エレクトロン株式会社 エッチング方法
JP6339963B2 (ja) * 2015-04-06 2018-06-06 東京エレクトロン株式会社 エッチング方法
JP6498022B2 (ja) * 2015-04-22 2019-04-10 東京エレクトロン株式会社 エッチング処理方法
US9613824B2 (en) 2015-05-14 2017-04-04 Tokyo Electron Limited Etching method
JP6494424B2 (ja) * 2015-05-29 2019-04-03 東京エレクトロン株式会社 エッチング方法
JP6541439B2 (ja) * 2015-05-29 2019-07-10 東京エレクトロン株式会社 エッチング方法
KR20170002764A (ko) 2015-06-29 2017-01-09 삼성전자주식회사 반도체 소자의 제조 방법
US9613979B2 (en) 2015-07-16 2017-04-04 Kabushiki Kaisha Toshiba Semiconductor memory device and method of manufacturing the same
JP6557588B2 (ja) * 2015-12-04 2019-08-07 株式会社日立ハイテクノロジーズ ドライエッチング方法
US9997374B2 (en) * 2015-12-18 2018-06-12 Tokyo Electron Limited Etching method
GB201608926D0 (en) * 2016-05-20 2016-07-06 Spts Technologies Ltd Method for plasma etching a workpiece
JP6604911B2 (ja) * 2016-06-23 2019-11-13 東京エレクトロン株式会社 エッチング処理方法
US9997366B2 (en) * 2016-10-19 2018-06-12 Lam Research Corporation Silicon oxide silicon nitride stack ion-assisted etch
JP6945388B2 (ja) 2017-08-23 2021-10-06 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処理装置
JP6883495B2 (ja) 2017-09-04 2021-06-09 東京エレクトロン株式会社 エッチング方法
US10002746B1 (en) * 2017-09-13 2018-06-19 Lam Research Corporation Multi regime plasma wafer processing to increase directionality of ions
US10847374B2 (en) * 2017-10-31 2020-11-24 Lam Research Corporation Method for etching features in a stack
JP2019096666A (ja) * 2017-11-20 2019-06-20 東京エレクトロン株式会社 エッチング方法及びこれを用いた窪みパターンの埋め込み方法
KR102762670B1 (ko) * 2017-11-30 2025-02-04 램 리써치 코포레이션 실리콘 옥사이드 실리콘 나이트라이드 스택 계단 단차 (stair step) 에칭
US11702751B2 (en) 2019-08-15 2023-07-18 Applied Materials, Inc. Non-conformal high selectivity film for etch critical dimension control
JP7403314B2 (ja) * 2019-12-26 2023-12-22 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
CN111154490A (zh) * 2020-01-02 2020-05-15 长江存储科技有限责任公司 刻蚀气体、刻蚀方法及3d存储器件制造方法
JP7639013B2 (ja) * 2020-02-13 2025-03-04 ラム リサーチ コーポレーション 無限選択性を有する高アスペクト比エッチング
JP2023514831A (ja) 2020-02-19 2023-04-11 ラム リサーチ コーポレーション グラフェン集積化
US11688609B2 (en) * 2020-05-29 2023-06-27 Tokyo Electron Limited Etching method and plasma processing apparatus
JP7675033B2 (ja) 2022-01-27 2025-05-12 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
JP7641923B2 (ja) 2022-01-27 2025-03-07 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

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232925A (ja) * 1986-04-03 1987-10-13 Sony Corp Ｓｉのエツチングガス
US5827437A (en) * 1996-05-17 1998-10-27 Lam Research Corporation Multi-step metallization etch
US6127278A (en) * 1997-06-02 2000-10-03 Applied Materials, Inc. Etch process for forming high aspect ratio trenched in silicon
WO1999016125A1 (de) * 1997-09-24 1999-04-01 Infineon Technologies Ag Verfahren zur ausbildung einer grabenstruktur in einem siliziumsubstrat
US6312616B1 (en) * 1998-12-03 2001-11-06 Applied Materials, Inc. Plasma etching of polysilicon using fluorinated gas mixtures
US6303513B1 (en) * 1999-06-07 2001-10-16 Applied Materials, Inc. Method for controlling a profile of a structure formed on a substrate
JP4343379B2 (ja) * 2000-02-24 2009-10-14 キヤノンマーケティングジャパン株式会社 基板処理方法および基板処理装置ならびにデバイス製造方法
JP4653395B2 (ja) * 2000-09-29 2011-03-16 株式会社日立製作所 プラズマ処理装置
KR101075045B1 (ko) * 2002-10-11 2011-10-19 램 리써치 코포레이션 플라즈마 에칭 성능 강화를 위한 방법
US6969568B2 (en) * 2004-01-28 2005-11-29 Freescale Semiconductor, Inc. Method for etching a quartz layer in a photoresistless semiconductor mask
US7090782B1 (en) * 2004-09-03 2006-08-15 Lam Research Corporation Etch with uniformity control
US7459100B2 (en) * 2004-12-22 2008-12-02 Lam Research Corporation Methods and apparatus for sequentially alternating among plasma processes in order to optimize a substrate
JP4663368B2 (ja) * 2005-03-28 2011-04-06 東京エレクトロン株式会社 プラズマエッチング方法、プラズマエッチング装置、制御プログラム及びコンピュータ記憶媒体
US7517804B2 (en) * 2006-08-31 2009-04-14 Micron Technologies, Inc. Selective etch chemistries for forming high aspect ratio features and associated structures
JP4768557B2 (ja) * 2006-09-15 2011-09-07 株式会社東芝 不揮発性半導体記憶装置及びその製造方法
JP4450245B2 (ja) * 2007-06-07 2010-04-14 株式会社デンソー 半導体装置の製造方法
CN101339903A (zh) * 2007-06-27 2009-01-07 应用材料股份有限公司 用于高温蚀刻高-k材料栅结构的方法
JP5376789B2 (ja) * 2007-10-03 2013-12-25 株式会社東芝 不揮発性半導体記憶装置及び不揮発性半導体記憶装置の制御方法
JP5710267B2 (ja) * 2007-12-21 2015-04-30 ラム リサーチ コーポレーションＬａｍ Ｒｅｓｅａｒｃｈ Ｃｏｒｐｏｒａｔｉｏｎ シリコン構造体の製造及びプロファイル制御を伴うシリコンディープエッチング
US20090191711A1 (en) * 2008-01-30 2009-07-30 Ying Rui Hardmask open process with enhanced cd space shrink and reduction
JP2011124239A (ja) * 2008-03-31 2011-06-23 Daikin Industries Ltd ドライエッチングガス及びそれを用いたドライエッチング方法
JP2009277770A (ja) * 2008-05-13 2009-11-26 Toshiba Corp 不揮発性半導体記憶装置及びその製造方法
US8394722B2 (en) * 2008-11-03 2013-03-12 Lam Research Corporation Bi-layer, tri-layer mask CD control
JP2010177652A (ja) * 2009-02-02 2010-08-12 Toshiba Corp 半導体装置の製造方法
JP2010272758A (ja) * 2009-05-22 2010-12-02 Hitachi High-Technologies Corp 被エッチング材のプラズマエッチング方法
DE102010038736A1 (de) * 2010-07-30 2012-02-02 Globalfoundries Dresden Module One Llc & Co. Kg Verfahren zum Steuern der kritischen Abmessungen von Gräben in einem Metallisierungssystem eines Halbleiterbauelements während des Ätzens einer Ätzstoppschicht

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TWI559393B (zh) 2016-11-21
US20130059450A1 (en) 2013-03-07
JP2013080909A (ja) 2013-05-02
US8598040B2 (en) 2013-12-03
KR101979957B1 (ko) 2019-05-17
KR20130026996A (ko) 2013-03-14
CN102983052B (zh) 2015-09-02
CN102983052A (zh) 2013-03-20
TW201330088A (zh) 2013-07-16

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