JP2018074006A - プラズマエッチング方法 - Google Patents
プラズマエッチング方法 Download PDFInfo
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- JP2018074006A JP2018074006A JP2016212459A JP2016212459A JP2018074006A JP 2018074006 A JP2018074006 A JP 2018074006A JP 2016212459 A JP2016212459 A JP 2016212459A JP 2016212459 A JP2016212459 A JP 2016212459A JP 2018074006 A JP2018074006 A JP 2018074006A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001020 plasma etching Methods 0.000 title claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 164
- 238000005530 etching Methods 0.000 claims abstract description 38
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 38
- 239000010937 tungsten Substances 0.000 claims abstract description 38
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 5
- 150000002367 halogens Chemical class 0.000 claims abstract description 5
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 21
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 6
- 229910001882 dioxygen Inorganic materials 0.000 claims description 6
- GWNUTBHQOQVVDA-UHFFFAOYSA-N CClO Chemical compound CClO GWNUTBHQOQVVDA-UHFFFAOYSA-N 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 37
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 37
- 239000000460 chlorine Substances 0.000 description 18
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 10
- -1 tungsten nitride Chemical class 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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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
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- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
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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
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- 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
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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
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- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28079—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being a single metal, e.g. Ta, W, Mo, Al
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- H01L21/28123—Lithography-related aspects, e.g. sub-lithography lengths; Isolation-related aspects, e.g. to solve problems arising at the crossing with the side of the device isolation; Planarisation aspects
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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
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- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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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
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- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
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- Drying Of Semiconductors (AREA)
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- ing And Chemical Polishing (AREA)
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Abstract
Description
Claims (4)
- プラズマを用いてタングステン元素を含有する膜をエッチングするプラズマエッチング方法において、
シリコン元素を含有するガスと、ハロゲン元素を含有するガスと、炭素元素と酸素元素を含有するガスと、を用いて前記タングステン元素を含有する膜をエッチングすることを特徴とするプラズマエッチング方法。 - 請求項1に記載のプラズマエッチング方法において、
前記炭素元素と酸素元素を含有するガスは、COガス、CO2ガス、COSガス、CClOガス、C2H4Oガス、C3F6Oガス、CH3OHガス、COF2ガスまたはHCHOガスであることを特徴とするプラズマエッチング方法。 - 請求項1または請求項2に記載のプラズマエッチング方法において、
前記ハロゲン元素を含有するガスは、Cl2ガス、BCl3ガス、HBrガスまたはHIガスであって、
前記シリコン元素を含有するガスは、SiF4ガスまたはSiCl4ガスでることを特徴とするプラズマエッチング方法。 - プラズマを用いてタングステン元素を含有する膜をエッチングするプラズマエッチング方法において、
Cl2ガスとSiCl4ガスと酸素ガスとCOガスの混合ガス、Cl2ガスとSiCl4ガスと酸素ガスとCO2ガスの混合ガスまたはCl2ガスとSiCl4ガスと酸素ガスとCOSガスの混合ガスを用いて前記タングステン元素を含有する膜をエッチングすることを特徴とするプラズマエッチング方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016212459A JP6725176B2 (ja) | 2016-10-31 | 2016-10-31 | プラズマエッチング方法 |
KR1020170101147A KR102148247B1 (ko) | 2016-10-31 | 2017-08-09 | 플라스마 에칭 방법 |
CN201710704465.9A CN108022838B (zh) | 2016-10-31 | 2017-08-16 | 等离子体蚀刻方法 |
TW106127962A TWI650814B (zh) | 2016-10-31 | 2017-08-17 | 電漿蝕刻方法 |
US15/701,692 US10229838B2 (en) | 2016-10-31 | 2017-09-12 | Plasma etching method |
KR1020200016802A KR102254447B1 (ko) | 2016-10-31 | 2020-02-12 | 플라스마 에칭 방법 |
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JP2016212459A JP6725176B2 (ja) | 2016-10-31 | 2016-10-31 | プラズマエッチング方法 |
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JP2018074006A true JP2018074006A (ja) | 2018-05-10 |
JP2018074006A5 JP2018074006A5 (ja) | 2019-04-04 |
JP6725176B2 JP6725176B2 (ja) | 2020-07-15 |
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US (1) | US10229838B2 (ja) |
JP (1) | JP6725176B2 (ja) |
KR (2) | KR102148247B1 (ja) |
CN (1) | CN108022838B (ja) |
TW (1) | TWI650814B (ja) |
Cited By (1)
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WO2020008703A1 (ja) * | 2019-04-19 | 2020-01-09 | 株式会社日立ハイテクノロジーズ | プラズマ処理方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0289309A (ja) * | 1987-07-16 | 1990-03-29 | Texas Instr Inc <Ti> | 真空処理モジュール |
JPH04350932A (ja) * | 1991-05-29 | 1992-12-04 | Toshiba Corp | ドライエッチング方法 |
JP2001053061A (ja) * | 1999-08-06 | 2001-02-23 | Hitachi Ltd | ドライエッチング方法 |
JP2006156675A (ja) * | 2004-11-29 | 2006-06-15 | Tokyo Electron Ltd | エッチング方法、エッチング装置及び記憶媒体 |
US20110151670A1 (en) * | 2007-11-21 | 2011-06-23 | Lam Research Corporation | Method of controlling etch microloading for a tungsten-containing layer |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4793897A (en) * | 1987-03-20 | 1988-12-27 | Applied Materials, Inc. | Selective thin film etch process |
US5545290A (en) * | 1987-07-09 | 1996-08-13 | Texas Instruments Incorporated | Etching method |
JPH05289309A (ja) * | 1992-04-15 | 1993-11-05 | Fujitsu Ltd | レチクル及びその製造方法 |
KR101108304B1 (ko) * | 2004-02-26 | 2012-01-25 | 노벨러스 시스템즈, 인코포레이티드 | 질화 텅스텐의 증착 |
US7563658B2 (en) * | 2004-12-27 | 2009-07-21 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
JP2006270030A (ja) * | 2005-02-28 | 2006-10-05 | Tokyo Electron Ltd | プラズマ処理方法、および後処理方法 |
US7754610B2 (en) | 2006-06-02 | 2010-07-13 | Applied Materials, Inc. | Process for etching tungsten silicide overlying polysilicon particularly in a flash memory |
KR101471354B1 (ko) * | 2007-11-07 | 2014-12-24 | 주식회사 에스앤에스텍 | 대면적 투과 제어 블랭마스크 및 이를 이용한 포토마스크의제조방법 |
JP5274993B2 (ja) * | 2007-12-03 | 2013-08-28 | 株式会社荏原製作所 | 研磨装置 |
JP2010135592A (ja) | 2008-12-05 | 2010-06-17 | Elpida Memory Inc | 半導体装置及び半導体装置の製造方法 |
US9230825B2 (en) * | 2012-10-29 | 2016-01-05 | Lam Research Corporation | Method of tungsten etching |
KR20160127891A (ko) * | 2015-04-27 | 2016-11-07 | 삼성전자주식회사 | 싸이클 공정을 이용한 수직 패턴의 형성방법 |
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- 2017-08-16 CN CN201710704465.9A patent/CN108022838B/zh active Active
- 2017-08-17 TW TW106127962A patent/TWI650814B/zh active
- 2017-09-12 US US15/701,692 patent/US10229838B2/en active Active
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0289309A (ja) * | 1987-07-16 | 1990-03-29 | Texas Instr Inc <Ti> | 真空処理モジュール |
JPH04350932A (ja) * | 1991-05-29 | 1992-12-04 | Toshiba Corp | ドライエッチング方法 |
JP2001053061A (ja) * | 1999-08-06 | 2001-02-23 | Hitachi Ltd | ドライエッチング方法 |
JP2006156675A (ja) * | 2004-11-29 | 2006-06-15 | Tokyo Electron Ltd | エッチング方法、エッチング装置及び記憶媒体 |
US20110151670A1 (en) * | 2007-11-21 | 2011-06-23 | Lam Research Corporation | Method of controlling etch microloading for a tungsten-containing layer |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020008703A1 (ja) * | 2019-04-19 | 2020-01-09 | 株式会社日立ハイテクノロジーズ | プラズマ処理方法 |
JPWO2020008703A1 (ja) * | 2019-04-19 | 2020-07-16 | 株式会社日立ハイテク | プラズマ処理方法 |
US11257678B2 (en) | 2019-04-19 | 2022-02-22 | Hitachi High-Tech Corporation | Plasma processing method |
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JP6725176B2 (ja) | 2020-07-15 |
KR102254447B1 (ko) | 2021-05-24 |
CN108022838A (zh) | 2018-05-11 |
KR102148247B1 (ko) | 2020-08-26 |
US10229838B2 (en) | 2019-03-12 |
CN108022838B (zh) | 2022-01-18 |
TWI650814B (zh) | 2019-02-11 |
US20180122651A1 (en) | 2018-05-03 |
KR20200018547A (ko) | 2020-02-19 |
KR20180048285A (ko) | 2018-05-10 |
TW201818467A (zh) | 2018-05-16 |
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