KR101068014B1 - 플라즈마 에칭 방법, 플라즈마 에칭 장치 및 컴퓨터 기억 매체 - Google Patents
플라즈마 에칭 방법, 플라즈마 에칭 장치 및 컴퓨터 기억 매체 Download PDFInfo
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- KR101068014B1 KR101068014B1 KR1020090011592A KR20090011592A KR101068014B1 KR 101068014 B1 KR101068014 B1 KR 101068014B1 KR 1020090011592 A KR1020090011592 A KR 1020090011592A KR 20090011592 A KR20090011592 A KR 20090011592A KR 101068014 B1 KR101068014 B1 KR 101068014B1
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- 238000001020 plasma etching Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 15
- 229920005591 polysilicon Polymers 0.000 claims abstract description 14
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 13
- 150000002500 ions Chemical class 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 23
- 239000010703 silicon Substances 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 20
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 77
- 239000004065 semiconductor Substances 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 14
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 8
- 230000003667 anti-reflective effect Effects 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- -1 polysilicon Chemical compound 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- H01L21/31—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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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
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- Nonlinear Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
Abstract
Description
Claims (8)
- 패터닝된 포토 레지스트층과 실리콘층을 갖는 피처리 기판에 대해서, 플라즈마 에칭 장치를 이용해 상기 포토 레지스트층을 마스크층으로 하여, 상기 실리콘층을 처리 가스의 플라즈마에 의해 에칭하는 플라즈마 에칭 방법으로서,상기 플라즈마 에칭 장치는,상기 피처리 기판을 반입하는 처리 용기와,상기 처리 용기 내에 배치되어, 상기 피처리 기판을 탑재하는 하부 전극인 탑재대와,상기 탑재대에 접속되어, 제 1 주파수의 고주파 전력을 공급하는 제 1 고주파 전원과,상기 탑재대에 접속되어, 상기 제 1 주파수보다 작은 제 2 주파수의 고주파 전력을 공급하는 제 2 고주파 전원을 구비하며,상기 플라즈마 에칭 방법은,상기 처리 용기 내에 패터닝된 포토 레지스트층과 실리콘층을 갖는 피처리 기판을 반입하여, 상기 탑재대에 탑재하는 공정과,상기 처리 용기 내에 적어도 Ar 가스와 CF3I 가스를 포함하는 상기 처리 가스를 공급하는 공정과,상기 탑재대에 상기 제 1 주파수의 고주파 전력을 공급하여, 상기 처리 가스의 플라즈마를 생성하는 공정을 구비하며,상기 제 1 주파수보다 작은 제 2 주파수의 고주파 전력을 공급하지 않고, 상기 제 1 주파수의 고주파 전력을 공급하여, 상기 피처리체 기판에 200V 이하의 셀프 바이어스 전압 Vdc를 생성해서, 상기 포토 레지스트층을 마스크층으로 하여 상기 실리콘층을 에칭하는 것을 특징으로 하는 플라즈마 에칭 방법.
- 제 1 항에 있어서,상기 하부 전극에 주파수가 40 ㎒ 이상의 고주파 전력을 인가하는 것을 특징으로 하는 플라즈마 에칭 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 마스크층은 라인과 스페이스로 형성된 에칭 패턴을 갖고, 라인의 폭과 스페이스의 폭의 비(라인의 폭/스페이스의 폭)가 1/1인 밀 패턴(dense pattern)과, 1/10 이하인 소 패턴(sparse pattern)이 혼재하는 것을 특징으로 하는 플라즈마 에 칭 방법.
- 피처리 기판상에 형성된 실리콘 이외의 재료로 이루어지는 제 1 층을 제 1 처리 가스의 플라즈마에 의해 에칭한 처리 챔버내에서,상기 피처리 기판상에 형성된 실리콘층을, 제 2 처리 가스의 플라즈마에 의해 에칭하는 플라즈마 에칭 방법으로서,상기 제 2 처리 가스는 적어도 CF3I 가스를 포함하고,상기 플라즈마중의 이온을 가속하는 셀프 바이어스 전압 Vdc가 200V 이하로 되도록, 상기 피처리 기판을 탑재하는 하부 전극에 고주파 전력을 인가하는 것을 특징으로 하는 플라즈마 에칭 방법.
- 제 4 항에 있어서,상기 하부 전극에 주파수가 40 ㎒ 이상의 고주파 전력을 인가하는 것을 특징으로 하는 플라즈마 에칭 방법.
- 피처리 기판을 수용하는 처리 챔버와,상기 처리 챔버내에 처리 가스를 공급하는 처리 가스 공급 수단과,상기 처리 가스 공급 수단으로부터 공급된 상기 처리 가스를 플라즈마화해서 상기 피처리 기판을 처리하는 플라즈마 생성 수단과,상기 처리 챔버내에서 제 1 항 또는 제 4 항에 기재된 플라즈마 에칭 방법이 실행되도록 제어하는 제어부를 구비한 것을 특징으로 하는 플라즈마 에칭 장치.
- 컴퓨터상에서 동작하는 제어 프로그램이 기억된 컴퓨터 기억 매체로서,상기 제어 프로그램은 실행시에 제 1 항 또는 제 2 항에 기재된 플라즈마 에칭 방법이 실행되도록 플라즈마 에칭 장치를 제어하는 것을 특징으로 하는 컴퓨터 기억 매체.
- 제 1, 2, 4, 5 항 중 어느 한 항에 있어서,상기 실리콘층은 폴리 실리콘층 또는 아몰퍼스 실리콘층인 플라즈마 에칭 방법.
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JPJP-P-2008-030079 | 2008-02-12 | ||
JP2008030079A JP2009193989A (ja) | 2008-02-12 | 2008-02-12 | プラズマエッチング方法、プラズマエッチング装置及びコンピュータ記憶媒体 |
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KR20090087426A KR20090087426A (ko) | 2009-08-17 |
KR101068014B1 true KR101068014B1 (ko) | 2011-09-26 |
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US (1) | US20090203219A1 (ko) |
JP (1) | JP2009193989A (ko) |
KR (1) | KR101068014B1 (ko) |
CN (1) | CN101609799B (ko) |
TW (1) | TW200952065A (ko) |
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KR101675392B1 (ko) * | 2010-10-12 | 2016-11-14 | 삼성전자 주식회사 | 반도체 장치의 제조 방법 |
US8278811B2 (en) * | 2010-12-30 | 2012-10-02 | General Electric Company | Device and method for circuit protection |
JP2013110139A (ja) | 2011-11-17 | 2013-06-06 | Tokyo Electron Ltd | 半導体装置の製造方法 |
JP6077354B2 (ja) * | 2013-03-26 | 2017-02-08 | 東京エレクトロン株式会社 | プラズマ処理方法及びプラズマ処理装置 |
JP6200849B2 (ja) * | 2014-04-25 | 2017-09-20 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置およびドライエッチング方法 |
WO2017170411A1 (ja) * | 2016-03-29 | 2017-10-05 | 東京エレクトロン株式会社 | 被処理体を処理する方法 |
JP6854600B2 (ja) * | 2016-07-15 | 2021-04-07 | 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、および基板載置台 |
JP6328703B2 (ja) * | 2016-08-15 | 2018-05-23 | 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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- 2009-02-12 CN CN2009100089298A patent/CN101609799B/zh not_active Expired - Fee Related
- 2009-02-12 KR KR1020090011592A patent/KR101068014B1/ko active IP Right Grant
- 2009-02-12 US US12/369,961 patent/US20090203219A1/en not_active Abandoned
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JPH02150027A (ja) * | 1988-12-01 | 1990-06-08 | Toshiba Corp | アルミニウムおよびアルミニウム合金のドライエッチング方法 |
KR20070020142A (ko) * | 2004-06-21 | 2007-02-16 | 동경 엘렉트론 주식회사 | 플라즈마 처리 장치, 플라즈마 처리 방법 및 컴퓨터 판독가능한 기억 매체 |
JP2006032721A (ja) * | 2004-07-16 | 2006-02-02 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法 |
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TW200952065A (en) | 2009-12-16 |
US20090203219A1 (en) | 2009-08-13 |
KR20090087426A (ko) | 2009-08-17 |
CN101609799B (zh) | 2011-08-24 |
JP2009193989A (ja) | 2009-08-27 |
CN101609799A (zh) | 2009-12-23 |
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