JP2016029696A - 被処理体を処理する方法 - Google Patents
被処理体を処理する方法 Download PDFInfo
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- JP2016029696A JP2016029696A JP2014151914A JP2014151914A JP2016029696A JP 2016029696 A JP2016029696 A JP 2016029696A JP 2014151914 A JP2014151914 A JP 2014151914A JP 2014151914 A JP2014151914 A JP 2014151914A JP 2016029696 A JP2016029696 A JP 2016029696A
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- 238000003672 processing method Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 141
- 230000005291 magnetic effect Effects 0.000 claims abstract description 90
- 238000005530 etching Methods 0.000 claims abstract description 33
- 238000006722 reduction reaction Methods 0.000 claims abstract description 14
- QAMFBRUWYYMMGJ-UHFFFAOYSA-N hexafluoroacetylacetone Chemical compound FC(F)(F)C(=O)CC(=O)C(F)(F)F QAMFBRUWYYMMGJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910019236 CoFeB Inorganic materials 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 98
- 239000007789 gas Substances 0.000 description 211
- 210000002381 plasma Anatomy 0.000 description 114
- 235000012431 wafers Nutrition 0.000 description 48
- 239000007795 chemical reaction product Substances 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 12
- 239000003507 refrigerant Substances 0.000 description 11
- 238000005192 partition Methods 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002885 antiferromagnetic material Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CVZIHXRHSDYALS-UHFFFAOYSA-N 1-fluoropentane-2,4-dione Chemical compound CC(=O)CC(=O)CF CVZIHXRHSDYALS-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910019041 PtMn Inorganic materials 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005040 ion trap Methods 0.000 description 1
- SHMWNGFNWYELHA-UHFFFAOYSA-N iridium manganese Chemical compound [Mn].[Ir] SHMWNGFNWYELHA-UHFFFAOYSA-N 0.000 description 1
- IGOJMROYPFZEOR-UHFFFAOYSA-N manganese platinum Chemical compound [Mn].[Pt] IGOJMROYPFZEOR-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- 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
- H01L21/02104—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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/80—Constructional details
- H10N50/85—Magnetic active materials
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- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Plasma & Fusion (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Drying Of Semiconductors (AREA)
- Hall/Mr Elements (AREA)
Abstract
【解決手段】一実施形態の方法では、プラズマ処理装置の処理容器内に第1の処理ガスを供給し、該第1の処理ガスのプラズマを発生させて、該第1の処理ガスのプラズマにより上部磁性層をエッチングする。次いで、上部磁性層のエッチングによって発生した堆積物を除去する。堆積物の除去は、H2ガスを含む第2の処理ガスのプラズマによって堆積物に還元反応を生じさせる工程と、還元反応を生じさせる工程により生成された生成物を、ヘキサフルオロアセチルアセトンを含む第3の処理ガスを用いて除去する工程と、を含む。
【選択図】図1
Description
Co+2(hfac)+2H2O→Co(H2O)2(hfac)2
Claims (6)
- 被処理体を処理する方法であって、該被処理体は、下部磁性層、該下部磁性層上に設けられた絶縁層、該絶縁層上に設けられた上部磁性層、及び該上部磁性層上に設けられたマスクを有し、該方法は、
前記上部磁性層をエッチングする工程であり、プラズマ処理装置の処理容器内に第1の処理ガスを供給し、該第1の処理ガスのプラズマを発生させて、該第1の処理ガスのプラズマにより前記上部磁性層をエッチングする、該工程と、
前記上部磁性層をエッチングする前記工程によって前記被処理体上に形成された堆積物を除去する工程と、
を含み、
前記堆積物を除去する工程は、
H2ガスを含む第2の処理ガスのプラズマによって前記堆積物に還元反応を生じさせる工程と、
還元する前記工程により生成された生成物を、ヘキサフルオロアセチルアセトンを含む第3の処理ガスを用いて除去する工程と、
を含む、方法。 - 前記上部磁性層をエッチングする前記工程と前記堆積物を除去する工程とが交互に繰り返される、請求項1に記載の方法。
- 前記第2の処理ガスは、更にN2ガスを含む、請求項1又は2に記載の方法。
- 前記第3の処理ガスは、H2Oを含む、請求項1〜3の何れか一項に記載の方法。
- 前記上部磁性層は、CoFeBを含む、請求項1〜4の何れか一項に記載の方法。
- 前記絶縁層をエッチングする工程であり、プラズマ処理装置の処理容器内に第4の処理ガスを供給し、該第4の処理ガスのプラズマを発生させて、該第4の処理ガスのプラズマにより前記絶縁層をエッチングする該工程を更に含む、請求項1〜5の何れか一項に記載の方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014151914A JP6199250B2 (ja) | 2014-07-25 | 2014-07-25 | 被処理体を処理する方法 |
US15/319,101 US9793130B2 (en) | 2014-07-25 | 2015-07-10 | Method for processing object to be processed |
PCT/JP2015/069861 WO2016013418A1 (ja) | 2014-07-25 | 2015-07-10 | 被処理体を処理する方法 |
KR1020167035451A KR102363052B1 (ko) | 2014-07-25 | 2015-07-10 | 피처리체를 처리하는 방법 |
TW104123616A TWI652840B (zh) | 2014-07-25 | 2015-07-22 | 被處理體之處理方法 |
Applications Claiming Priority (1)
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JP2014151914A JP6199250B2 (ja) | 2014-07-25 | 2014-07-25 | 被処理体を処理する方法 |
Publications (2)
Publication Number | Publication Date |
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JP2016029696A true JP2016029696A (ja) | 2016-03-03 |
JP6199250B2 JP6199250B2 (ja) | 2017-09-20 |
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JP2014151914A Expired - Fee Related JP6199250B2 (ja) | 2014-07-25 | 2014-07-25 | 被処理体を処理する方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9793130B2 (ja) |
JP (1) | JP6199250B2 (ja) |
KR (1) | KR102363052B1 (ja) |
TW (1) | TWI652840B (ja) |
WO (1) | WO2016013418A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017028198A (ja) * | 2015-07-27 | 2017-02-02 | 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 |
US9997566B1 (en) | 2016-12-06 | 2018-06-12 | Samsung Electronics Co., Ltd. | Magnetoresistive random access memory devices and methods of manufacturing the same |
JP2019186508A (ja) * | 2018-03-30 | 2019-10-24 | 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 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10170697B2 (en) * | 2016-09-07 | 2019-01-01 | International Business Machines Corporation | Cryogenic patterning of magnetic tunnel junctions |
JP6820717B2 (ja) | 2016-10-28 | 2021-01-27 | 株式会社日立ハイテク | プラズマ処理装置 |
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 |
JP6917205B2 (ja) * | 2017-06-16 | 2021-08-11 | 東京エレクトロン株式会社 | 磁気抵抗素子の製造方法 |
KR102244395B1 (ko) * | 2018-03-30 | 2021-04-23 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 및 에칭 장치 |
WO2019150885A1 (ja) * | 2018-06-20 | 2019-08-08 | 株式会社日立ハイテクノロジーズ | 磁気抵抗素子の製造方法及び磁気抵抗素子 |
CN111771262B (zh) * | 2019-02-01 | 2023-12-08 | 株式会社日立高新技术 | 蚀刻方法以及等离子处理装置 |
JP7338355B2 (ja) * | 2019-09-20 | 2023-09-05 | 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 |
CN112786441A (zh) * | 2019-11-08 | 2021-05-11 | 东京毅力科创株式会社 | 蚀刻方法及等离子体处理装置 |
KR102401025B1 (ko) | 2019-11-08 | 2022-05-24 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 |
US11456180B2 (en) * | 2019-11-08 | 2022-09-27 | Tokyo Electron Limited | Etching method |
SG10202010798QA (en) | 2019-11-08 | 2021-06-29 | Tokyo Electron Ltd | Etching method and plasma processing apparatus |
KR102521816B1 (ko) | 2019-12-20 | 2023-04-14 | 주식회사 히타치하이테크 | 플라스마 처리 장치 및 웨이퍼 처리 방법 |
JP7565194B2 (ja) * | 2020-11-12 | 2024-10-10 | 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 |
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JP2001351898A (ja) * | 2000-06-07 | 2001-12-21 | Nec Corp | 半導体装置の製造方法 |
JP2011014679A (ja) * | 2009-07-01 | 2011-01-20 | Canon Anelva Corp | 磁性素子の製造法及び記憶媒体 |
JP2014103155A (ja) * | 2012-11-16 | 2014-06-05 | Tokyo Electron Ltd | プラズマ処理方法及びプラズマ処理装置 |
JP2014112664A (ja) * | 2012-10-30 | 2014-06-19 | Tokyo Electron Ltd | エッチング処理方法及び基板処理装置 |
Family Cites Families (3)
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US6933239B2 (en) * | 2003-01-13 | 2005-08-23 | Applied Materials, Inc. | Method for removing conductive residue |
KR101158059B1 (ko) * | 2004-12-27 | 2012-06-18 | 매그나칩 반도체 유한회사 | 반도체 소자의 금속 배선 형성 방법 |
JP2014049466A (ja) | 2012-08-29 | 2014-03-17 | Tokyo Electron Ltd | エッチング処理方法及び基板処理装置 |
-
2014
- 2014-07-25 JP JP2014151914A patent/JP6199250B2/ja not_active Expired - Fee Related
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2015
- 2015-07-10 WO PCT/JP2015/069861 patent/WO2016013418A1/ja active Application Filing
- 2015-07-10 KR KR1020167035451A patent/KR102363052B1/ko active IP Right Grant
- 2015-07-10 US US15/319,101 patent/US9793130B2/en active Active
- 2015-07-22 TW TW104123616A patent/TWI652840B/zh active
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JP2001351898A (ja) * | 2000-06-07 | 2001-12-21 | Nec Corp | 半導体装置の製造方法 |
JP2011014679A (ja) * | 2009-07-01 | 2011-01-20 | Canon Anelva Corp | 磁性素子の製造法及び記憶媒体 |
JP2014112664A (ja) * | 2012-10-30 | 2014-06-19 | Tokyo Electron Ltd | エッチング処理方法及び基板処理装置 |
JP2014103155A (ja) * | 2012-11-16 | 2014-06-05 | Tokyo Electron Ltd | プラズマ処理方法及びプラズマ処理装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017028198A (ja) * | 2015-07-27 | 2017-02-02 | 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 |
US9997566B1 (en) | 2016-12-06 | 2018-06-12 | Samsung Electronics Co., Ltd. | Magnetoresistive random access memory devices and methods of manufacturing the same |
JP2019186508A (ja) * | 2018-03-30 | 2019-10-24 | 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 |
JP7063117B2 (ja) | 2018-03-30 | 2022-05-09 | 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 |
Also Published As
Publication number | Publication date |
---|---|
WO2016013418A1 (ja) | 2016-01-28 |
TW201614883A (en) | 2016-04-16 |
US9793130B2 (en) | 2017-10-17 |
JP6199250B2 (ja) | 2017-09-20 |
TWI652840B (zh) | 2019-03-01 |
KR102363052B1 (ko) | 2022-02-16 |
KR20170034794A (ko) | 2017-03-29 |
US20170133233A1 (en) | 2017-05-11 |
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