KR100727834B1 - 드라이 에칭 가스 및 드라이 에칭 방법 - Google Patents
드라이 에칭 가스 및 드라이 에칭 방법 Download PDFInfo
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- KR100727834B1 KR100727834B1 KR1020037003418A KR20037003418A KR100727834B1 KR 100727834 B1 KR100727834 B1 KR 100727834B1 KR 1020037003418 A KR1020037003418 A KR 1020037003418A KR 20037003418 A KR20037003418 A KR 20037003418A KR 100727834 B1 KR100727834 B1 KR 100727834B1
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- Prior art keywords
- chf
- gas
- dry etching
- etching
- cfcf
- Prior art date
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- 238000001312 dry etching Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 84
- 238000005530 etching Methods 0.000 claims description 59
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 229910052740 iodine Inorganic materials 0.000 claims description 13
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims description 13
- -1 O 2 Chemical class 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 8
- 150000002497 iodine compounds Chemical class 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 150000002927 oxygen compounds Chemical class 0.000 claims description 8
- 239000002210 silicon-based material Substances 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- 229910052734 helium Inorganic materials 0.000 claims description 5
- 229910052743 krypton Inorganic materials 0.000 claims description 5
- 229910052754 neon Inorganic materials 0.000 claims description 5
- 229910052724 xenon Inorganic materials 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 abstract description 13
- 210000002381 plasma Anatomy 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 5
- 238000009616 inductively coupled plasma Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 201000003075 Crimean-Congo hemorrhagic fever Diseases 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 101100264195 Caenorhabditis elegans app-1 gene Proteins 0.000 description 1
- 229920006926 PFC Polymers 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
-
- 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
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
- H01L21/31055—Planarisation of the insulating layers involving a dielectric removal step the removal being a chemical etching step, e.g. dry etching
- H01L21/31056—Planarisation of the insulating layers involving a dielectric removal step the removal being a chemical etching step, e.g. dry etching the removal being a selective chemical etching step, e.g. selective dry etching through a mask
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (14)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- CF3CF=CFCF3를 포함하는 드라이 에칭 가스를 이용하여, CF3 + 가 양이온 전체의 30% ~ 35%인 가스 플라스마에서, 산화실리콘 막 및 실리콘을 함유하는 저유전율 막 중의 하나 이상의 실리콘계 재료를 에칭하는 것을 특징으로 하는 드라이 에칭 방법.
- 삭제
- 삭제
- 삭제
- (ⅰ) CF3CF=CFCF3 화합물 및 (ⅱ) 희가스, 불활성 가스, NH3, H2, 탄화수소, O2, 산소 화합물, 요오드 화합물, HFC(Hydrofluorocarbon) 및 단결합 및 이중결합 중 적어도 1종을 갖는 PFC(perfluorocarbon) 가스(단, (ⅰ)에 기재된 화합물을 포함하지 않는다.)로 구성되는 그룹 중에서 선택되는 적어도 1종을 포함하는 드라이 에칭 가스를 이용하여, CF3 + 가 양이온 전체의 30% ~ 35%인 혼합 가스 플라스마에서 산화실리콘 막 및 실리콘을 함유하는 저유전율 막 중의 하나 이상의 실리콘계 재료를 에칭하는 것을 특징으로 하는 드라이 에칭 방법.
- 제 11 항에 있어서, 드라이 에칭 가스가 (ⅰ) CF3CF=CFCF3 화합물 및 (ⅱ) He, Ne, Ar, Xe, Kr로 이루어지는 희가스; N2 등으로 이루어지는 불활성 가스; NH3; H2; CH4, C2H6, C3H8, C2H4, C3H6 등으로 이루어지는 탄화수소; O2; CO, CO2, (CH3)2C=O, (CF3)2C=O, CF3CFOCF2, CF3OCF3 등으로 이루어지는 산소 화합물; CF3I, CF3CF2I, (CF3)CFI, CF2=CFI 등으로 이루어지는 요오드 화합물; CH2F2, CHF3, CF3CHF2, CHF2CHF2, CF3CH2F, CHF2CH2F, CF3CH3, CH2FCH2F, CF2=CHF, CHF=CHF, CH2=CF2, CH2=CHF, CF3CH=CF2, CF3CH=CH2, CH3CF=CH2, CH3CHF2, CH3CH2F, CF3CF2CF2H, CF3CHFCF3, CHF2CF2CHF2, CF3CF2CH2F, CF2CHFCHF2, CF3CH2CF3, CHF2CF2CH2F, CF3CF2CH3, CF3CH2CHF2, CH3CF2CHF2, CH3CHFCH3 등으로 이루어지는 HFC(Hydrofluorocarbon); 및 CF2=CF2, CF2=CFCF=CF2, CF3CF=CFCF=CF2, c-C5F8, CF4, C2F6, C3F8, C4F10, c-C4F8 등으로 이루어지는 단결합 및 이중결합 중 적어도 1종을 갖는 PFC(perfluorocarbon) 가스(단, (ⅰ)에 기재된 화합물을 포함하지 않는다.)로 구성되는 그룹 중에서 선택되는 적어도 1종의 가스를 포함하는 드라이 에칭 가스인 것을 특징으로 하는 드라이 에칭 방법.
- 삭제
- 삭제
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00271709 | 2000-09-07 | ||
JP2000271709 | 2000-09-07 | ||
PCT/JP2001/007678 WO2002021586A1 (fr) | 2000-09-07 | 2001-09-05 | Gaz d'attaque à sec et procédé correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030031180A KR20030031180A (ko) | 2003-04-18 |
KR100727834B1 true KR100727834B1 (ko) | 2007-06-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037003418A KR100727834B1 (ko) | 2000-09-07 | 2001-09-05 | 드라이 에칭 가스 및 드라이 에칭 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7931820B2 (ko) |
JP (3) | JP5407101B2 (ko) |
KR (1) | KR100727834B1 (ko) |
TW (1) | TW507289B (ko) |
WO (1) | WO2002021586A1 (ko) |
Cited By (1)
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KR20170129054A (ko) * | 2016-05-16 | 2017-11-24 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 |
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US20050103441A1 (en) * | 2001-11-14 | 2005-05-19 | Masanobu Honda | Etching method and plasma etching apparatus |
JP2006310634A (ja) * | 2005-04-28 | 2006-11-09 | Sharp Corp | 半導体装置の製造方法 |
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JP2011517328A (ja) * | 2008-03-07 | 2011-06-02 | アドバンスド テクノロジー マテリアルズ,インコーポレイテッド | 非選択性酸化物エッチング湿式洗浄組成物および使用方法 |
JP5434970B2 (ja) * | 2010-07-12 | 2014-03-05 | セントラル硝子株式会社 | ドライエッチング剤 |
WO2012124726A1 (ja) * | 2011-03-17 | 2012-09-20 | 日本ゼオン株式会社 | エッチングガスおよびエッチング方法 |
US20170017778A1 (en) * | 2015-07-17 | 2017-01-19 | Monotype Imaging Inc. | Providing Font Security |
JP6385915B2 (ja) | 2015-12-22 | 2018-09-05 | 東京エレクトロン株式会社 | エッチング方法 |
JP6587580B2 (ja) | 2016-06-10 | 2019-10-09 | 東京エレクトロン株式会社 | エッチング処理方法 |
US10607850B2 (en) * | 2016-12-30 | 2020-03-31 | American Air Liquide, Inc. | Iodine-containing compounds for etching semiconductor structures |
JP6438511B2 (ja) * | 2017-03-09 | 2018-12-12 | Sppテクノロジーズ株式会社 | エッチング保護膜形成用デポガス、プラズマエッチング方法、及びプラズマエッチング装置 |
KR102603885B1 (ko) | 2017-04-06 | 2023-11-20 | 칸토 덴카 코교 가부시키가이샤 | 드라이 에칭 가스 조성물 및 드라이 에칭 방법 |
JP6621882B2 (ja) * | 2018-08-08 | 2019-12-18 | 東京エレクトロン株式会社 | エッチング装置 |
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2001
- 2001-09-05 US US10/362,973 patent/US7931820B2/en not_active Expired - Fee Related
- 2001-09-05 WO PCT/JP2001/007678 patent/WO2002021586A1/ja active Application Filing
- 2001-09-05 KR KR1020037003418A patent/KR100727834B1/ko active IP Right Grant
- 2001-09-05 JP JP2002525909A patent/JP5407101B2/ja not_active Expired - Lifetime
- 2001-09-06 TW TW090122127A patent/TW507289B/zh not_active IP Right Cessation
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KR20170129054A (ko) * | 2016-05-16 | 2017-11-24 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 |
KR102180406B1 (ko) * | 2016-05-16 | 2020-11-18 | 도쿄엘렉트론가부시키가이샤 | 에칭 방법 |
Also Published As
Publication number | Publication date |
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TW507289B (en) | 2002-10-21 |
KR20030031180A (ko) | 2003-04-18 |
JP5407101B2 (ja) | 2014-02-05 |
WO2002021586A1 (fr) | 2002-03-14 |
US7931820B2 (en) | 2011-04-26 |
US20040011763A1 (en) | 2004-01-22 |
JP2012238891A (ja) | 2012-12-06 |
JPWO2002021586A1 (ja) | 2004-01-15 |
JP2015159308A (ja) | 2015-09-03 |
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