KR19990068156A - 선택성이 높은 깃모양 산화물 에칭 방법 - Google Patents
선택성이 높은 깃모양 산화물 에칭 방법 Download PDFInfo
- Publication number
- KR19990068156A KR19990068156A KR1019990002506A KR19990002506A KR19990068156A KR 19990068156 A KR19990068156 A KR 19990068156A KR 1019990002506 A KR1019990002506 A KR 1019990002506A KR 19990002506 A KR19990002506 A KR 19990002506A KR 19990068156 A KR19990068156 A KR 19990068156A
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- oxide
- hydrogen
- fill
- substrate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000005530 etching Methods 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 150000004767 nitrides Chemical class 0.000 claims abstract description 21
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 14
- 238000001020 plasma etching Methods 0.000 claims abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 14
- 229920005591 polysilicon Polymers 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000006227 byproduct Substances 0.000 abstract description 12
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 239000007795 chemical reaction product Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 235000012431 wafers Nutrition 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 239000011232 storage material Substances 0.000 description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 210000003746 feather Anatomy 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011519 fill dirt Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 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
- H01L21/31—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
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/66181—Conductor-insulator-semiconductor capacitors, e.g. trench capacitors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (20)
- (1) 부분적으로 충진된 트렌치,(2) (i) 상기 트렌치를 부분적으로 충진하는 충진 물질에 의해 한정된 충진 표면, (ii) 상기 트렌치의 외부 상부 표면, 및 (iii) 상기 충진 물질에 의해 덮이지 않은 트렌치 측벽 표면, 및(3) 상기 충진 표면, 상기 상부 표면 및 상기 측벽 표면 위에 있는 부합성(conformal) 산화물 층을 갖는 기판을 포함하는 소정의 반도체 기판 안에(a) 상기 기판을 반응성 이온 에칭 조건하에 상기 상부 표면 위의 부합성 산화물의 적어도 일부가 제거될 때까지 수소-함유 플루오로카본 및 산소 공급원 기체의 혼합물과 접촉시키는 단계 및(b) 상기 단계(a)를 수행한 기판을 반응성 이온 에칭 조건하에 수소-비함유 플루오로카본 및 희소 기체의 혼합물과 접촉시켜 상기 충진 표면상에 남아 있는 부합성 산화물을 추가로 제거하고 상기 상부 표면 및 충진 표면을 오버에칭함으로써(overetching) 상기 부합성 산화물의 실질적인 부분이 상기 측벽 표면상에 남게 되어 깃모양(collar) 산화물을 형성하는 단계를 포함하는, 상기 부합성 산화물을 선택적으로 에칭하는 방법에 의해서, 깃모양 산화물을 형성하는 방법.
- 제 1 항에 있어서,부합성 산화물 에칭 단계가 (c) 단계(b)를 수행한 에칭된 기판을 O2, NF3및 CF4로 이루어진 군으로부터 선택된 하나 이상의 성분을 함유하는 기체와 접촉시켜서 단계(a) 및 단계(b)중 상기 표면상에 침착된 임의의 잔존하는 중합체를 제거하는 단계를 추가로 포함하는 방법.
- 제 1 항에 있어서,상부 표면중 적어도 일부가 질화물 조성물을 포함하고 단계(a)중 에칭 단계가 이러한 질화물 조성물이 노출될 때까지 수행되는 방법.
- 제 1 항에 있어서,단계(a)에서 혼합물이 수소-비함유 플루오로카본을 추가로 포함하는 방법.
- 제 1 항에 있어서,단계(a)에서 혼합물이 수소-함유 플루오로카본 약 40 내지 100체적부 및 산소 공급원 기체 약 2 내지 15체적부를 포함하는 방법.
- 제 5 항에 있어서,단계(a)에서 반응성 이온 에칭 조건이 약 50 내지 150 mTorr의 작동 압력 및 약 200 내지 500W의 전력을 포함하는 방법.
- 제 1 항에 있어서,수소-함유 플루오로카본이 트리플루오로메탄인 방법.
- 제 1 항에 있어서,단계(b)에서 혼합물이 수소-비함유 플루오로카본 약 3 내지 20체적부 및 희소 기체 약 50 내지 300 체적부를 포함하는 방법.
- 제 1 항에 있어서,희소 기체가 Ar, He, Xe, N2및 이들의 혼합물로 이루어진 군으로부터 선택된 방법.
- 제 8 항에 있어서,단계(b)에서 반응성 이온 에칭 조건이 약 25 내지 200 mTorr의 작동 압력 및 약 500 내지 1200W의 전력을 포함하는 방법.
- 제 1 항에 있어서,단계(b)에서 혼합물이 0.25보다 큰 C/F 원자비를 갖는 수소-비함유 플루오로카본을 포함하는 방법.
- 제 11 항에 있어서,단계(b)에서 혼합물이 약 0.5 이상의 C/F 원자비를 갖는 수소-비함유 플루오로카본을 포함하는 방법.
- 제 2 항에 있어서,단계(c)에서 접촉 단계가 약 25 내지 300 mTorr의 압력 및 약 50 내지 300W의 전력으로 수행되는 방법.
- 제 12 항에 있어서,수소-비함유 플루오로카본이 C4H8인 방법.
- 제 1 항에 있어서,단계(b)가 단계(a)를 수행하기 위해 걸린 시간량의 약 0.1 내지 2배 동안 수행되는 방법.
- 제 3 항에 있어서,질화물 조성물이 실리콘 질화물 및 실리콘 옥시질화물로 이루어진 군으로부터 선택된 질화물을 포함하는 방법.
- 제 1 항에 있어서,트렌치를 부분적으로 충진하는 물질이 폴리실리콘 및 도핑된 폴리실리콘으로 이루어진 군으로부터 선택된 방법.
- 제 1 항에 있어서,측벽 표면이 부합성 산화물의 적용 전에 고유전성 일정한 물질 층으로 피복된 방법.
- 제 1 항에 있어서,부합성 산화물 층이 실리카를 포함하는 방법.
- 제 2 항에 있어서,단계(c) 후 트렌치를 추가량의 충진 물질로 충진하는 단계를 추가로 포함하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9/014,805 | 1998-01-28 | ||
US09/014,805 | 1998-01-28 | ||
US09/014,805 US6066566A (en) | 1998-01-28 | 1998-01-28 | High selectivity collar oxide etch processes |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990068156A true KR19990068156A (ko) | 1999-08-25 |
KR100619104B1 KR100619104B1 (ko) | 2006-09-01 |
Family
ID=21767856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990002506A KR100619104B1 (ko) | 1998-01-28 | 1999-01-27 | 선택성이 높은 깃모양 산화물 에칭 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6066566A (ko) |
EP (1) | EP0933804B1 (ko) |
JP (1) | JP2994374B2 (ko) |
KR (1) | KR100619104B1 (ko) |
DE (1) | DE69841823D1 (ko) |
TW (1) | TW459034B (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002505532A (ja) * | 1998-03-06 | 2002-02-19 | エーエスエム アメリカ インコーポレイテッド | 高段差被覆性を伴うシリコン堆積方法 |
US6399506B2 (en) * | 1999-04-07 | 2002-06-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for planarizing an oxide layer |
US6461529B1 (en) * | 1999-04-26 | 2002-10-08 | International Business Machines Corporation | Anisotropic nitride etch process with high selectivity to oxide and photoresist layers in a damascene etch scheme |
US6319788B1 (en) * | 1999-12-14 | 2001-11-20 | Infineon Technologies North America Corp. | Semiconductor structure and manufacturing methods |
KR100372894B1 (ko) * | 2000-07-28 | 2003-02-19 | 삼성전자주식회사 | 반도체 장치의 콘택홀 형성 방법 |
DE60106011T2 (de) * | 2001-07-23 | 2006-03-02 | Infineon Technologies Ag | Verfahren zur Bildung einer Isolierschicht und Verfahren zur Herstellung eines Grabenkondensators |
US6559030B1 (en) * | 2001-12-13 | 2003-05-06 | International Business Machines Corporation | Method of forming a recessed polysilicon filled trench |
DE10225941A1 (de) * | 2002-06-11 | 2004-01-08 | Infineon Technologies Ag | Verfahren zur Füllung von Graben- und Reliefgeometrien in Halbleiterstrukturen |
US6706586B1 (en) * | 2002-10-23 | 2004-03-16 | International Business Machines Corporation | Method of trench sidewall enhancement |
DE102005045373A1 (de) | 2005-09-22 | 2007-04-05 | Siemens Ag | Kathetervorrichtung |
US7560360B2 (en) * | 2006-08-30 | 2009-07-14 | International Business Machines Corporation | Methods for enhancing trench capacitance and trench capacitor |
JP5309601B2 (ja) | 2008-02-22 | 2013-10-09 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
US9443730B2 (en) | 2014-07-18 | 2016-09-13 | Asm Ip Holding B.V. | Process for forming silicon-filled openings with a reduced occurrence of voids |
US9837271B2 (en) | 2014-07-18 | 2017-12-05 | Asm Ip Holding B.V. | Process for forming silicon-filled openings with a reduced occurrence of voids |
US10460932B2 (en) | 2017-03-31 | 2019-10-29 | Asm Ip Holding B.V. | Semiconductor device with amorphous silicon filled gaps and methods for forming |
TWI716818B (zh) * | 2018-02-28 | 2021-01-21 | 美商應用材料股份有限公司 | 形成氣隙的系統及方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3033104B2 (ja) * | 1989-11-17 | 2000-04-17 | ソニー株式会社 | エッチング方法 |
US5118384A (en) * | 1990-04-03 | 1992-06-02 | International Business Machines Corporation | Reactive ion etching buffer mask |
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 |
JPH05152429A (ja) * | 1991-11-28 | 1993-06-18 | Nec Corp | 半導体装置の製造方法 |
US5463225A (en) * | 1992-06-01 | 1995-10-31 | General Electric Company | Solid state radiation imager with high integrity barrier layer and method of fabricating |
US5283453A (en) * | 1992-10-02 | 1994-02-01 | International Business Machines Corporation | Trench sidewall structure |
US5468340A (en) * | 1992-10-09 | 1995-11-21 | Gupta; Subhash | Highly selective high aspect ratio oxide etch method and products made by the process |
US5468339A (en) * | 1992-10-09 | 1995-11-21 | Advanced Micro Devices, Inc. | Plasma etch process |
US5429978A (en) * | 1994-06-22 | 1995-07-04 | Industrial Technology Research Institute | Method of forming a high density self-aligned stack in trench |
US5677219A (en) * | 1994-12-29 | 1997-10-14 | Siemens Aktiengesellschaft | Process for fabricating a DRAM trench capacitor |
US5543348A (en) * | 1995-03-29 | 1996-08-06 | Kabushiki Kaisha Toshiba | Controlled recrystallization of buried strap in a semiconductor memory device |
EP0735581A1 (en) * | 1995-03-30 | 1996-10-02 | Siemens Aktiengesellschaft | DRAM trench capacitor with insulating collar |
US5656535A (en) * | 1996-03-04 | 1997-08-12 | Siemens Aktiengesellschaft | Storage node process for deep trench-based DRAM |
EP0821409A3 (en) * | 1996-07-23 | 2004-09-08 | International Business Machines Corporation | Collar etch method for DRAM cell |
-
1998
- 1998-01-28 US US09/014,805 patent/US6066566A/en not_active Expired - Lifetime
- 1998-12-23 EP EP98310674A patent/EP0933804B1/en not_active Expired - Lifetime
- 1998-12-23 DE DE69841823T patent/DE69841823D1/de not_active Expired - Lifetime
-
1999
- 1999-01-25 JP JP11015289A patent/JP2994374B2/ja not_active Expired - Fee Related
- 1999-01-27 KR KR1019990002506A patent/KR100619104B1/ko not_active IP Right Cessation
- 1999-01-27 TW TW088101224A patent/TW459034B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH11265882A (ja) | 1999-09-28 |
TW459034B (en) | 2001-10-11 |
EP0933804A2 (en) | 1999-08-04 |
EP0933804A3 (en) | 2001-01-10 |
KR100619104B1 (ko) | 2006-09-01 |
US6066566A (en) | 2000-05-23 |
EP0933804B1 (en) | 2010-08-11 |
JP2994374B2 (ja) | 1999-12-27 |
DE69841823D1 (de) | 2010-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100619104B1 (ko) | 선택성이 높은 깃모양 산화물 에칭 방법 | |
US6905968B2 (en) | Process for selectively etching dielectric layers | |
US6844266B2 (en) | Anisotropic etching of organic-containing insulating layers | |
JP5273482B2 (ja) | 半導体処理のための方法 | |
EP1050074B1 (en) | Anisotropic etching of organic-containing insulating layers | |
US5035768A (en) | Novel etch back process for tungsten contact/via filling | |
US7273566B2 (en) | Gas compositions | |
KR20010079765A (ko) | 구리 이중 상감구조에 사용되는 인-시튜 집적 산화물 에칭방법 | |
KR20070089058A (ko) | 고종횡비 분야용 이방성 피쳐를 형성하는 에칭 방법 | |
TW299469B (ko) | ||
JP2002367960A (ja) | 高アスペクト比の開口をエッチングする方法 | |
JP2010503207A5 (ko) | ||
US6569776B2 (en) | Method of removing silicon nitride film formed on a surface of a material with a process gas containing a higher-order fluorocarbon in combination with a lower-order fluorocarbon | |
CN104183536B (zh) | 一种制作半导体器件的方法 | |
US6440858B1 (en) | Multi-layer hard mask for deep trench silicon etch | |
KR100470973B1 (ko) | 고밀도 플라즈마 화학기상증착 공정 | |
KR20050013824A (ko) | 얕은 트렌치 소자 분리 구조의 제조 방법 및 얕은 트렌치소자 분리 구조를 포함하는 미세 전자 소자 | |
US20020045353A1 (en) | Method for manufacturing semiconductor device using octafluorobutene etching gas and semiconductor device manufactured thereby | |
JP2822952B2 (ja) | 半導体装置の製造方法 | |
CN1123921C (zh) | 高选择性颈圈氧化物腐蚀工艺 | |
KR100682192B1 (ko) | 반도체소자의 캐패시터 형성방법 | |
JP2003133287A (ja) | ドライエッチング方法 | |
CN104051322B (zh) | 一种制作半导体器件的方法 | |
KR100777925B1 (ko) | 금속 배선 형성 방법 | |
US20230274943A1 (en) | Etching gas mixture and method of manufacturing integrated circuit device using the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120817 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20130816 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140814 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150813 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160811 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20170817 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20180816 Year of fee payment: 13 |
|
EXPY | Expiration of term |