KR20030066747A - 절연막의 에칭 방법 - Google Patents
절연막의 에칭 방법 Download PDFInfo
- Publication number
- KR20030066747A KR20030066747A KR10-2003-7008446A KR20037008446A KR20030066747A KR 20030066747 A KR20030066747 A KR 20030066747A KR 20037008446 A KR20037008446 A KR 20037008446A KR 20030066747 A KR20030066747 A KR 20030066747A
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- etching
- ratio
- fluorocarbon
- insulating film
- Prior art date
Links
- 238000005530 etching Methods 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims description 27
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 20
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 134
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 12
- 230000008021 deposition Effects 0.000 description 9
- 239000002826 coolant Substances 0.000 description 5
- 239000005380 borophosphosilicate glass Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 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
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (11)
- 에칭 가스로서, C의 수가 4 이상이고 C/F 비가 0.625 이상인 제 1 플루오로카본계 가스, F의 수가 4 이상이고 C/F 비가 0.5 이하인 제 2 플루오로카본계 가스, Ar 가스 및 O2가스를 적어도 함유하는 혼합 가스를 사용하는 것을 특징으로 하는 절연막의 에칭 방법.
- 제 1 항에 있어서,제 1 플루오로카본계 가스가 C5F8가스 또는 C4F6가스인 것을 특징으로 하는 절연막의 에칭 방법.
- 제 2 항에 있어서,제 2 플루오로카본계 가스가 CF4가스, C2F6가스, C3F8가스 및 C4F8가스로부터 선택된 어느 하나인 것을 특징으로 하는 절연막의 에칭 방법.
- 제 1 항에 있어서,제 1 플루오로카본계 가스 대 제 2 플루오로카본계 가스의 유량비(제 1 플루오로카본계 가스 유량/제 2 플루오로카본계 가스 유량)가 0.5 이상인 것을 특징으로 하는 절연막의 에칭 방법.
- 제 1 항에 있어서,혼합 가스가 하이드로플루오로카본계 가스를 추가로 함유하는 것을 특징으로 하는 절연막의 에칭 방법.
- 제 5 항에 있어서,하이드로플루오로카본계 가스가 CH2F2가스인 것을 특징으로 하는 절연막의 에칭 방법.
- 제 1 항에 있어서,혼합 가스 전체의 C/F 비가 0.5 이상인 것을 특징으로 하는 절연막의 에칭 방법.
- 제 1 항에 있어서,절연막이 실리콘 산화막인 것을 특징으로 하는 절연막의 에칭 방법.
- 제 8 항에 있어서,실리콘 산화막의 상층 또는 하층에 실리콘 질화막이 노출되는 것을 특징으로 하는 절연막의 에칭 방법.
- 제 9 항에 있어서,실리콘 산화막의 에칭이 셀프 얼라인 콘택트(self align contact)의 형성 공정에서 실시되는 것을 특징으로 하는 절연막의 에칭 방법.
- 제 1 항에 있어서,절연막이 형성된 기판의 온도를 80 내지 120℃로 하는 것을 특징으로 하는 절연막의 에칭 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000389151 | 2000-12-21 | ||
JPJP-P-2000-00389151 | 2000-12-21 | ||
PCT/JP2001/010932 WO2002050885A1 (fr) | 2000-12-21 | 2001-12-13 | Procede de gravage pour film isolant |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030066747A true KR20030066747A (ko) | 2003-08-09 |
KR100782632B1 KR100782632B1 (ko) | 2007-12-06 |
Family
ID=18855762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037008446A KR100782632B1 (ko) | 2000-12-21 | 2001-12-13 | 절연막의 에칭 방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040035826A1 (ko) |
JP (1) | JP4008352B2 (ko) |
KR (1) | KR100782632B1 (ko) |
CN (1) | CN1249788C (ko) |
AU (1) | AU2002222631A1 (ko) |
TW (1) | TW521335B (ko) |
WO (1) | WO2002050885A1 (ko) |
Families Citing this family (17)
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JP4164643B2 (ja) * | 2002-07-17 | 2008-10-15 | 日本ゼオン株式会社 | ドライエッチング方法及びパーフルオロ−2−ペンチンの製造方法 |
JP4963156B2 (ja) * | 2003-10-03 | 2012-06-27 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
JP4723871B2 (ja) * | 2004-06-23 | 2011-07-13 | 株式会社日立ハイテクノロジーズ | ドライエッチング装置 |
US7794616B2 (en) * | 2004-08-09 | 2010-09-14 | Tokyo Electron Limited | Etching gas, etching method and etching gas evaluation method |
KR100650835B1 (ko) * | 2004-10-29 | 2006-11-27 | 에스티마이크로일렉트로닉스 엔.브이. | 반도체 소자의 소자분리막 형성방법 |
US7416676B2 (en) * | 2005-02-16 | 2008-08-26 | Tokyo Electron Limited | Plasma etching method and apparatus, control program for performing the etching method, and storage medium storing the control program |
JP2007242753A (ja) * | 2006-03-07 | 2007-09-20 | Tokyo Electron Ltd | プラズマエッチング方法、プラズマエッチング装置、制御プログラム及びコンピュータ記憶媒体 |
US7517804B2 (en) | 2006-08-31 | 2009-04-14 | Micron Technologies, Inc. | Selective etch chemistries for forming high aspect ratio features and associated structures |
JP5214152B2 (ja) * | 2007-02-08 | 2013-06-19 | 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、制御プログラム及びコンピュータ記憶媒体 |
JP4450245B2 (ja) * | 2007-06-07 | 2010-04-14 | 株式会社デンソー | 半導体装置の製造方法 |
JP4978512B2 (ja) * | 2008-02-29 | 2012-07-18 | 日本ゼオン株式会社 | プラズマエッチング方法 |
US20110265883A1 (en) * | 2010-04-30 | 2011-11-03 | Applied Materials, Inc. | Methods and apparatus for reducing flow splitting errors using orifice ratio conductance control |
CN103578973B (zh) * | 2012-07-29 | 2017-09-05 | 中国科学院微电子研究所 | 氮化硅高深宽比孔的循环刻蚀方法 |
CN103903978B (zh) * | 2012-12-27 | 2016-12-28 | 南亚科技股份有限公司 | 蚀刻方法 |
CN106297831B (zh) * | 2015-05-21 | 2020-04-21 | 新科实业有限公司 | 在衬底形成图案的方法 |
JP6836959B2 (ja) | 2017-05-16 | 2021-03-03 | 東京エレクトロン株式会社 | プラズマ処理装置、処理システム、及び、多孔質膜をエッチングする方法 |
US10276439B2 (en) | 2017-06-02 | 2019-04-30 | International Business Machines Corporation | Rapid oxide etch for manufacturing through dielectric via structures |
Family Cites Families (34)
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JP3038950B2 (ja) * | 1991-02-12 | 2000-05-08 | ソニー株式会社 | ドライエッチング方法 |
JP3154128B2 (ja) * | 1991-05-24 | 2001-04-09 | ソニー株式会社 | ドライエッチング方法 |
JP3116569B2 (ja) * | 1992-06-29 | 2000-12-11 | ソニー株式会社 | ドライエッチング方法 |
KR100246029B1 (ko) * | 1997-10-20 | 2000-03-02 | 구자홍 | 간헐 영상 녹화재생장치 |
TW394989B (en) * | 1997-10-29 | 2000-06-21 | Matsushita Electronics Corp | Semiconductor device manufacturing and reaction room environment control method for dry etching device |
JP3003657B2 (ja) * | 1997-12-24 | 2000-01-31 | 日本電気株式会社 | 半導体装置の製造方法 |
US6159862A (en) * | 1997-12-27 | 2000-12-12 | Tokyo Electron Ltd. | Semiconductor processing method and system using C5 F8 |
JPH11330046A (ja) * | 1998-05-08 | 1999-11-30 | Mitsubishi Electric Corp | 半導体装置の製造方法及び半導体装置 |
TW511335B (en) * | 1998-06-09 | 2002-11-21 | Mitsubishi Electric Corp | Integrated circuit |
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JP4230029B2 (ja) * | 1998-12-02 | 2009-02-25 | 東京エレクトロン株式会社 | プラズマ処理装置およびエッチング方法 |
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JP2000252259A (ja) * | 1999-02-25 | 2000-09-14 | Sony Corp | ドライエッチング方法及び半導体装置の製造方法 |
US6184107B1 (en) * | 1999-03-17 | 2001-02-06 | International Business Machines Corp. | Capacitor trench-top dielectric for self-aligned device isolation |
US6849193B2 (en) * | 1999-03-25 | 2005-02-01 | Hoiman Hung | Highly selective process for etching oxide over nitride using hexafluorobutadiene |
JP4578651B2 (ja) * | 1999-09-13 | 2010-11-10 | 東京エレクトロン株式会社 | プラズマ処理方法およびプラズマ処理装置、プラズマエッチング方法 |
JP2001135630A (ja) * | 1999-11-10 | 2001-05-18 | Matsushita Electronics Industry Corp | 半導体装置の製造方法 |
US6326307B1 (en) * | 1999-11-15 | 2001-12-04 | Appllied Materials, Inc. | Plasma pretreatment of photoresist in an oxide etch process |
JP3400770B2 (ja) * | 1999-11-16 | 2003-04-28 | 松下電器産業株式会社 | エッチング方法、半導体装置及びその製造方法 |
US6337244B1 (en) * | 2000-03-01 | 2002-01-08 | Micron Technology, Inc. | Method of forming flash memory |
US6451703B1 (en) * | 2000-03-10 | 2002-09-17 | Applied Materials, Inc. | Magnetically enhanced plasma etch process using a heavy fluorocarbon etching gas |
US6337285B1 (en) * | 2000-03-21 | 2002-01-08 | Micron Technology, Inc. | Self-aligned contact (SAC) etch with dual-chemistry process |
JP4839506B2 (ja) * | 2000-04-28 | 2011-12-21 | ダイキン工業株式会社 | ドライエッチング方法 |
KR100362834B1 (ko) * | 2000-05-02 | 2002-11-29 | 삼성전자 주식회사 | 반도체 장치의 산화막 형성 방법 및 이에 의하여 제조된 반도체 장치 |
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US6362109B1 (en) * | 2000-06-02 | 2002-03-26 | Applied Materials, Inc. | Oxide/nitride etching having high selectivity to photoresist |
KR100363710B1 (ko) * | 2000-08-23 | 2002-12-05 | 삼성전자 주식회사 | 셀프-얼라인 콘택 구조를 갖는 반도체 장치 및 그 제조방법 |
US6797639B2 (en) * | 2000-11-01 | 2004-09-28 | Applied Materials Inc. | Dielectric etch chamber with expanded process window |
WO2002039494A1 (fr) * | 2000-11-08 | 2002-05-16 | Daikin Industries, Ltd. | Gaz de gravure seche et procede de gravure seche |
JP4213871B2 (ja) * | 2001-02-01 | 2009-01-21 | 株式会社日立製作所 | 半導体装置の製造方法 |
TW483111B (en) * | 2001-06-08 | 2002-04-11 | Promos Technologies Inc | Method for forming contact of memory device |
US6674241B2 (en) * | 2001-07-24 | 2004-01-06 | Tokyo Electron Limited | Plasma processing apparatus and method of controlling chemistry |
US6518164B1 (en) * | 2001-11-30 | 2003-02-11 | United Microelectronics Corp. | Etching process for forming the trench with high aspect ratio |
-
2001
- 2001-12-13 JP JP2002551894A patent/JP4008352B2/ja not_active Expired - Fee Related
- 2001-12-13 KR KR1020037008446A patent/KR100782632B1/ko active IP Right Grant
- 2001-12-13 AU AU2002222631A patent/AU2002222631A1/en not_active Abandoned
- 2001-12-13 US US10/451,107 patent/US20040035826A1/en not_active Abandoned
- 2001-12-13 WO PCT/JP2001/010932 patent/WO2002050885A1/ja active Application Filing
- 2001-12-13 CN CNB018203515A patent/CN1249788C/zh not_active Expired - Lifetime
- 2001-12-18 TW TW090131337A patent/TW521335B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1249788C (zh) | 2006-04-05 |
JP4008352B2 (ja) | 2007-11-14 |
JPWO2002050885A1 (ja) | 2004-04-22 |
AU2002222631A1 (en) | 2002-07-01 |
CN1483219A (zh) | 2004-03-17 |
WO2002050885A1 (fr) | 2002-06-27 |
KR100782632B1 (ko) | 2007-12-06 |
US20040035826A1 (en) | 2004-02-26 |
TW521335B (en) | 2003-02-21 |
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