JP6374781B2 - プラズマ処理方法 - Google Patents
プラズマ処理方法 Download PDFInfo
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- JP6374781B2 JP6374781B2 JP2014249685A JP2014249685A JP6374781B2 JP 6374781 B2 JP6374781 B2 JP 6374781B2 JP 2014249685 A JP2014249685 A JP 2014249685A JP 2014249685 A JP2014249685 A JP 2014249685A JP 6374781 B2 JP6374781 B2 JP 6374781B2
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- 238000003672 processing method Methods 0.000 title claims description 21
- 238000012545 processing Methods 0.000 claims description 163
- 239000007789 gas Substances 0.000 claims description 105
- 238000000034 method Methods 0.000 claims description 47
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 26
- 229910001882 dioxygen Inorganic materials 0.000 claims description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 19
- 229910052710 silicon Inorganic materials 0.000 claims description 19
- 239000010703 silicon Substances 0.000 claims description 19
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 13
- 235000012431 wafers Nutrition 0.000 description 37
- 238000012546 transfer Methods 0.000 description 16
- 238000005530 etching Methods 0.000 description 13
- 239000003507 refrigerant Substances 0.000 description 9
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 8
- 238000009832 plasma treatment Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000005596 ionic collisions Effects 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- VRAIHTAYLFXSJJ-UHFFFAOYSA-N alumane Chemical compound [AlH3].[AlH3] VRAIHTAYLFXSJJ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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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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- 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
- H01J37/32018—Glow discharge
- H01J37/32027—DC powered
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- 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
- H01J37/32458—Vessel
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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
- H01L21/302—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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- 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
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
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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
- H01L21/3205—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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- H01L21/04—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
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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
- H01L21/3205—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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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Electromagnetism (AREA)
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Description
第1の高周波電源62の高周波電力:300W
第2の高周波電源64の高周波電力:100W
処理容器12内の圧力:20mTorr(2.666Pa)
処理時間:60秒
Claims (2)
- プラズマ処理装置を用いたプラズマ処理方法であって、前記プラズマ処理装置は、処理容器、該処理容器内において被処理体を支持する載置台、及び、前記載置台の上方に設けられるシリコン製の天井部材を備え、該プラズマ処理方法は、
前記処理容器内に被処理体を搬入する工程であり、該被処理体はレジストマスクを有する、該工程と、
被処理体を搬入する前記工程の後に、前記処理容器内において発生させた正イオンを前記天井部材に衝突させる工程と、
正イオンを前記天井部材に衝突させる前記工程の後に、前記処理容器内において塩素ガス及び酸素ガスを含む処理ガスのプラズマを生成する工程と、
を含み、
処理ガスのプラズマを生成する前記工程では、前記処理ガス中の前記酸素ガスの流量が、前記処理ガス中の前記塩素ガスの流量の0.75倍以上の流量に設定される、
プラズマ処理方法。 - 処理ガスのプラズマを生成する前記工程の後に、前記被処理体を前記処理容器から搬出する工程と、
前記被処理体を搬出する前記工程の後に、前記処理容器内において酸素ガスを含むクリーニングガスのプラズマを生成する工程と、
クリーニングガスのプラズマを生成する前記工程の後に、前記処理容器内に別の被処理体を搬入する工程であり、該別の被処理体は、レジストマスクを有する、該工程と、
を更に含み、
別の被処理体を搬入する前記工程の後に、正イオンを前記天井部材に衝突させる前記工程と処理ガスのプラズマを生成する前記工程が更に実行され、
別の被処理体を搬入する前記工程の後に更に実行される、処理ガスのプラズマを生成する前記工程において、前記処理ガス中の前記酸素ガスの流量が、前記処理ガス中の前記塩素ガスの流量の0.75倍以上の流量に設定される、
請求項1に記載のプラズマ処理方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014249685A JP6374781B2 (ja) | 2014-12-10 | 2014-12-10 | プラズマ処理方法 |
US14/959,049 US9922841B2 (en) | 2014-12-10 | 2015-12-04 | Plasma processing method |
TW104141031A TWI673794B (zh) | 2014-12-10 | 2015-12-08 | 電漿處理方法 |
KR1020150175264A KR102361775B1 (ko) | 2014-12-10 | 2015-12-09 | 플라즈마 처리 방법 |
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JP2014249685A JP6374781B2 (ja) | 2014-12-10 | 2014-12-10 | プラズマ処理方法 |
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JP2016111284A JP2016111284A (ja) | 2016-06-20 |
JP6374781B2 true JP6374781B2 (ja) | 2018-08-15 |
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US (1) | US9922841B2 (ja) |
JP (1) | JP6374781B2 (ja) |
KR (1) | KR102361775B1 (ja) |
TW (1) | TWI673794B (ja) |
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JP6832171B2 (ja) * | 2017-01-24 | 2021-02-24 | 東京エレクトロン株式会社 | プラズマ処理装置のチャンバ本体の内部のクリーニングを含むプラズマ処理方法 |
JP6925202B2 (ja) * | 2017-08-30 | 2021-08-25 | 東京エレクトロン株式会社 | エッチング方法およびエッチング装置 |
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US6872322B1 (en) * | 1997-11-12 | 2005-03-29 | Applied Materials, Inc. | Multiple stage process for cleaning process chambers |
US6401728B2 (en) * | 1999-03-01 | 2002-06-11 | United Microelectronics Corp. | Method for cleaning interior of etching chamber |
US6527968B1 (en) * | 2000-03-27 | 2003-03-04 | Applied Materials Inc. | Two-stage self-cleaning silicon etch process |
JP2002319569A (ja) * | 2001-04-19 | 2002-10-31 | Tokyo Electron Ltd | ドライエッチング方法 |
ATE557418T1 (de) * | 2001-10-31 | 2012-05-15 | Tokyo Electron Ltd | Verfahren zum ätzen von merkmalen mit hohem streckungsverhältnis |
WO2005055303A1 (ja) * | 2003-12-01 | 2005-06-16 | Matsushita Electric Industrial Co., Ltd. | プラズマエッチング方法 |
JP5036143B2 (ja) | 2004-06-21 | 2012-09-26 | 東京エレクトロン株式会社 | プラズマ処理装置およびプラズマ処理方法、ならびにコンピュータ読み取り可能な記憶媒体 |
US7608544B2 (en) * | 2006-05-25 | 2009-10-27 | Tokyo Electron Limited | Etching method and storage medium |
JP4928832B2 (ja) * | 2006-05-25 | 2012-05-09 | 東京エレクトロン株式会社 | エッチング方法及びコンピュータ読み取り可能な記録媒体 |
JP4826483B2 (ja) * | 2007-01-19 | 2011-11-30 | 東京エレクトロン株式会社 | プラズマ処理装置 |
US8272346B2 (en) * | 2009-04-10 | 2012-09-25 | Lam Research Corporation | Gasket with positioning feature for clamped monolithic showerhead electrode |
JP5486883B2 (ja) * | 2009-09-08 | 2014-05-07 | 東京エレクトロン株式会社 | 被処理体の処理方法 |
US9373521B2 (en) * | 2010-02-24 | 2016-06-21 | Tokyo Electron Limited | Etching processing method |
JP5662079B2 (ja) * | 2010-02-24 | 2015-01-28 | 東京エレクトロン株式会社 | エッチング処理方法 |
JP2014082228A (ja) * | 2012-10-12 | 2014-05-08 | Tokyo Electron Ltd | プラズマエッチング方法 |
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Publication number | Publication date |
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TWI673794B (zh) | 2019-10-01 |
TW201633403A (zh) | 2016-09-16 |
US9922841B2 (en) | 2018-03-20 |
JP2016111284A (ja) | 2016-06-20 |
US20160172212A1 (en) | 2016-06-16 |
KR20160070711A (ko) | 2016-06-20 |
KR102361775B1 (ko) | 2022-02-10 |
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