KR100595065B1 - 드라이 에칭 방법 - Google Patents
드라이 에칭 방법 Download PDFInfo
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- KR100595065B1 KR100595065B1 KR1020037016663A KR20037016663A KR100595065B1 KR 100595065 B1 KR100595065 B1 KR 100595065B1 KR 1020037016663 A KR1020037016663 A KR 1020037016663A KR 20037016663 A KR20037016663 A KR 20037016663A KR 100595065 B1 KR100595065 B1 KR 100595065B1
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- 238000000034 method Methods 0.000 title claims description 116
- 238000001312 dry etching Methods 0.000 title claims description 26
- 238000005530 etching Methods 0.000 claims abstract description 127
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 39
- 239000010703 silicon Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000009832 plasma treatment Methods 0.000 claims description 43
- 239000013078 crystal Substances 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 18
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 18
- 238000001020 plasma etching Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 92
- 238000002955 isolation Methods 0.000 description 11
- 239000012212 insulator Substances 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 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
- H01L21/302—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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76229—Concurrent filling of a plurality of trenches having a different trench shape or dimension, e.g. rectangular and V-shaped trenches, wide and narrow trenches, shallow and deep trenches
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/978—Semiconductor device manufacturing: process forming tapered edges on substrate or adjacent layers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (17)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 실리콘 단결정에 대하여, 마스크층을 거쳐서 소망하는 형상의 홈을 형성하는 드라이 에칭 방법에 있어서,에칭실내에 마련된 한 쌍의 대향 전극 중 한쪽에 기판을 배치하고, 상기 대향 전극의 양쪽에 고주파 전력을 공급하여 플라즈마에 의해서 에칭을 하는 장치를 사용하고,상기 에칭실내로 에칭 가스를 도입하고,상기 기판이 배치된 측의 상기 대향 전극에 인가하는 고주파 전력을 조정하고, 상기 에칭 가스의 총유량을 조정하여, 상기 홈의 테이퍼각을 제어하는 것을 특징으로 하는드라이 에칭 방법.
- 실리콘 단결정에 대하여, 마스크층을 거쳐서 소망하는 형상의 홈을 형성하는 드라이 에칭 방법에 있어서,에칭실내에 마련된 한 쌍의 대향 전극 중 한쪽에 기판을 배치하고, 상기 대향 전극의 양쪽에 고주파 전력을 공급하여 플라즈마에 의해서 에칭을 하는 장치를 사용하고,상기 에칭실내로 적어도 Cl2와, Br를 포함하는 가스의 혼합 가스인 에칭 가스를 도입하고,상기 기판이 배치된 측의 상기 대향 전극에 인가하는 고주파 전력을 조정하고, 상기 에칭 가스 중의 Cl2의 양을 조정하여, 상기 홈의 테이퍼각을 제어하는 것을 특징으로 하는드라이 에칭 방법.
- 삭제
- 실리콘 단결정에 대하여, 마스크층을 거쳐서 소망하는 형상의 홈을 형성하는 드라이 에칭 방법에 있어서,에칭실내에 마련된 한 쌍의 대향 전극 중 한쪽에 기판을 배치하고, 상기 대향 전극의 양쪽에 고주파 전력을 공급하여 플라즈마에 의해서 에칭을 하는 장치를 사용하고,상기 에칭실내로 에칭 가스를 도입하고,상기 기판이 배치된 측의 상기 대향 전극에 인가하는 고주파 전력을 조정함으로써 상기 홈의 테이퍼각을 제어하여, 상기 기판에 홈폭이 다른 복수 종류의 상기 홈을 형성하는 것을 특징으로 하는드라이 에칭 방법.
- 기밀한 처리실내에 처리 가스를 도입하여 실리콘 기판의 실리콘에 대하여 플라즈마 처리를 함으로써, 상기 실리콘 기판 상에 홈을 형성하는 드라이 에칭 방법에 있어서,상기 처리 가스로서 적어도 HBr와 N2를 포함하는 혼합 가스를 도입하여 플라즈마 처리를 실시하는 제 1 공정과,상기 실리콘 기판의 실리콘에 상기 홈을 형성하는 플라즈마 처리를 실시하는 제 2 공정과,상기 처리 가스로서 적어도 HBr와 Cl2를 포함하는 혼합 가스를 도입하여 플라즈마 처리를 실시하는 제 3 공정을 포함하는 것을 특징으로 하는드라이 에칭 방법.
- 제 10 항에 있어서,상기 제 1 공정은 적어도 상기 처리실내의 압력을 6.7 Pa(50 mTorr) 이하, 상기 처리 가스의 N2의 유량에 대한 HBr의 유량의 비를 3 이상, 플라즈마를 발생시키기 위해서 상기 처리실내에 마련한 전극에 인가하는 바이어스용 고주파 전력을 100 W 이상으로 하는 조건에 의해서 플라즈마 처리를 실시하는 것을 특징으로 하는드라이 에칭 방법.
- 제 10 항에 있어서,상기 제 3 공정은 적어도 상기 처리실내의 압력을 20 Pa (150 mTorr) 이상, 상기 처리 가스의 Cl2의 유량에 대한 HBr의 유량의 비를 2 이상, 플라즈마를 발생시키기 위해서 상기 처리실내에 마련한 전극에 인가하는 바이어스용 고주파 전력을 50 W 이상으로 하는 조건에 의해서 플라즈마 처리를 실시하는 것을 특징으로 하는드라이 에칭 방법.
- 제 10 항에 있어서,상기 제 1 공정에서의 플라즈마 처리를 실시하는 시간은 상기 제 2 공정에서의 플라즈마 처리를 실시하는 시간보다 짧은 것을 특징으로 하는드라이 에칭 방법.
- 제 13 항에 있어서,상기 제 1 공정은 상기 제 2 공정에서의 플라즈마 처리를 실시하는 시간을 1이라고 하면, 그 시간에 대하여 0.15 내지 0.5의 비율의 시간만 플라즈마 처리를 실시하는 것을 특징으로 하는드라이 에칭 방법.
- 제 10 항에 있어서,상기 제 3 공정에서의 플라즈마 처리를 실시하는 시간은 상기 제 2 공정에서의 플라즈마 처리를 실시하는 시간보다 짧은 것을 특징으로 하는드라이 에칭 방법.
- 제 15 항에 있어서,상기 제 3 공정은 상기 제 2 공정에서의 플라즈마 처리를 실시하는 시간을 1이라고 하면, 그 시간에 대하여 0.3 내지 0.7의 비율의 시간만 플라즈마 처리를 실시하는 것을 특징으로 하는드라이 에칭 방법.
- 기밀한 처리실내에 처리 가스를 도입하여 실리콘 기판의 실리콘에 대하여 플라즈마 처리를 함으로써, 상기 실리콘 기판 상에 홈을 형성하는 드라이 에칭 방법에 있어서,상기 실리콘 기판의 실리콘에 상기 홈을 형성하는 공정을 하기 전에 상기 홈의 측벽에 있어서의 에칭용 마스크와 실리콘과의 경계 부분에 둥그스름한 모양을 형성하기 위한 에칭 처리를 실시하는 공정과,상기 실리콘 기판의 실리콘에 상기 홈을 형성하는 공정을 한 후에, 상기 홈에 있어서의 바닥 부분에 둥그스름한 모양을 형성하기 위한 에칭 처리를 실시하는 공정을 포함하는 것을 특징으로 하는드라이 에칭 방법.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001189579A JP4854874B2 (ja) | 2001-06-22 | 2001-06-22 | ドライエッチング方法 |
JPJP-P-2001-00189579 | 2001-06-22 | ||
JPJP-P-2002-00012206 | 2002-01-21 | ||
JP2002012206A JP4516713B2 (ja) | 2002-01-21 | 2002-01-21 | エッチング方法 |
PCT/JP2002/005636 WO2003001577A1 (en) | 2001-06-22 | 2002-06-07 | Dry-etching method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020067004635A Division KR100702723B1 (ko) | 2001-06-22 | 2002-06-07 | 드라이 에칭 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20040021613A KR20040021613A (ko) | 2004-03-10 |
KR100595065B1 true KR100595065B1 (ko) | 2006-06-30 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020067004635A Expired - Fee Related KR100702723B1 (ko) | 2001-06-22 | 2002-06-07 | 드라이 에칭 방법 |
KR1020037016663A Expired - Fee Related KR100595065B1 (ko) | 2001-06-22 | 2002-06-07 | 드라이 에칭 방법 |
Family Applications Before (1)
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KR1020067004635A Expired - Fee Related KR100702723B1 (ko) | 2001-06-22 | 2002-06-07 | 드라이 에칭 방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7183217B2 (ko) |
KR (2) | KR100702723B1 (ko) |
CN (1) | CN100336180C (ko) |
TW (1) | TWI364789B (ko) |
WO (1) | WO2003001577A1 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5820841A (en) * | 1996-09-19 | 1998-10-13 | Ethicon, Inc. | Hydrogen peroxide complexes of inorganic salts and synthesis thereof |
KR100702723B1 (ko) * | 2001-06-22 | 2007-04-03 | 동경 엘렉트론 주식회사 | 드라이 에칭 방법 |
JP2007184356A (ja) * | 2006-01-05 | 2007-07-19 | Oki Electric Ind Co Ltd | エッチング方法 |
US20070218681A1 (en) * | 2006-03-16 | 2007-09-20 | Tokyo Electron Limited | Plasma etching method and computer-readable storage medium |
KR100806799B1 (ko) * | 2006-09-18 | 2008-02-27 | 동부일렉트로닉스 주식회사 | 이미지 센서의 제조 방법 |
KR100853485B1 (ko) * | 2007-03-19 | 2008-08-21 | 주식회사 하이닉스반도체 | 리세스 게이트를 갖는 반도체 소자의 제조 방법 |
US8241993B2 (en) | 2007-07-13 | 2012-08-14 | Marvell World Trade Ltd. | Method for shallow trench isolation |
US7863180B2 (en) * | 2008-05-06 | 2011-01-04 | International Business Machines Corporation | Through substrate via including variable sidewall profile |
JP5235596B2 (ja) * | 2008-10-15 | 2013-07-10 | 東京エレクトロン株式会社 | Siエッチング方法 |
CN102456610B (zh) * | 2010-10-20 | 2013-11-06 | 中国科学院微电子研究所 | 控制背孔剖面形状的方法 |
CN104217985A (zh) * | 2013-05-31 | 2014-12-17 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件和浅沟槽的制作方法 |
US20150371889A1 (en) * | 2014-06-20 | 2015-12-24 | Applied Materials, Inc. | Methods for shallow trench isolation formation in a silicon germanium layer |
KR200488004Y1 (ko) | 2014-07-28 | 2018-12-03 | 오종만 | 피자 고정구에 착탈되는 캐릭터 |
CN106298636B (zh) * | 2015-05-22 | 2019-05-14 | 中芯国际集成电路制造(上海)有限公司 | 一种超低k介质材料刻蚀深度的控制方法 |
KR20170023654A (ko) * | 2015-08-24 | 2017-03-06 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조방법 |
US9966312B2 (en) | 2015-08-25 | 2018-05-08 | Tokyo Electron Limited | Method for etching a silicon-containing substrate |
US9793164B2 (en) * | 2015-11-12 | 2017-10-17 | Qualcomm Incorporated | Self-aligned metal cut and via for back-end-of-line (BEOL) processes for semiconductor integrated circuit (IC) fabrication, and related processes and devices |
JP6556046B2 (ja) * | 2015-12-17 | 2019-08-07 | 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 |
JP6643950B2 (ja) * | 2016-05-23 | 2020-02-12 | 東京エレクトロン株式会社 | プラズマ処理方法 |
JP6524562B2 (ja) * | 2017-02-23 | 2019-06-05 | パナソニックIpマネジメント株式会社 | 素子チップおよびその製造方法 |
US11877434B2 (en) * | 2020-07-09 | 2024-01-16 | Micron Technology, Inc. | Microelectronic devices having features with a fin portion of different sidewall slope than a lower portion, and related methods and electronic systems |
Family Cites Families (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5812347B2 (ja) | 1981-02-09 | 1983-03-08 | 日本電信電話株式会社 | プラズマエッチング装置 |
US4855017A (en) * | 1985-05-03 | 1989-08-08 | Texas Instruments Incorporated | Trench etch process for a single-wafer RIE dry etch reactor |
US4729815A (en) * | 1986-07-21 | 1988-03-08 | Motorola, Inc. | Multiple step trench etching process |
US5258332A (en) * | 1987-08-28 | 1993-11-02 | Kabushiki Kaisha Toshiba | Method of manufacturing semiconductor devices including rounding of corner portions by etching |
US5316616A (en) * | 1988-02-09 | 1994-05-31 | Fujitsu Limited | Dry etching with hydrogen bromide or bromine |
JPH0214548A (ja) * | 1988-07-01 | 1990-01-18 | Hitachi Ltd | 半導体装置およびその製造方法 |
JPH02260424A (ja) * | 1989-03-30 | 1990-10-23 | Matsushita Electric Ind Co Ltd | ドライエッチング方法 |
EP0414372A3 (en) * | 1989-07-21 | 1991-04-24 | Sony Corporation | Dry etching methods |
JP2995762B2 (ja) | 1989-10-26 | 1999-12-27 | ソニー株式会社 | 半導体装置の製造方法 |
JP2884970B2 (ja) * | 1992-11-18 | 1999-04-19 | 株式会社デンソー | 半導体のドライエッチング方法 |
TW297919B (ko) * | 1995-03-06 | 1997-02-11 | Motorola Inc | |
TW344118B (en) * | 1996-07-16 | 1998-11-01 | Applied Materials Inc | Etch process for single crystal silicon |
US5843846A (en) * | 1996-12-31 | 1998-12-01 | Intel Corporation | Etch process to produce rounded top corners for sub-micron silicon trench applications |
US5882982A (en) * | 1997-01-16 | 1999-03-16 | Vlsi Technology, Inc. | Trench isolation method |
US5807789A (en) * | 1997-03-20 | 1998-09-15 | Taiwan Semiconductor Manufacturing, Co., Ltd. | Method for forming a shallow trench with tapered profile and round corners for the application of shallow trench isolation (STI) |
US5880004A (en) * | 1997-06-10 | 1999-03-09 | Winbond Electronics Corp. | Trench isolation process |
TW328162B (en) | 1997-07-07 | 1998-03-11 | Winbond Electronics Corp | The method for rounding the top corner in shallow trench isolation process |
US6124212A (en) * | 1997-10-08 | 2000-09-26 | Taiwan Semiconductor Manufacturing Co. | High density plasma (HDP) etch method for suppressing micro-loading effects when etching polysilicon layers |
US6103635A (en) * | 1997-10-28 | 2000-08-15 | Fairchild Semiconductor Corp. | Trench forming process and integrated circuit device including a trench |
US6136211A (en) * | 1997-11-12 | 2000-10-24 | Applied Materials, Inc. | Self-cleaning etch process |
JPH11145113A (ja) * | 1997-11-13 | 1999-05-28 | Nec Corp | エッチング方法 |
US6008131A (en) * | 1997-12-22 | 1999-12-28 | Taiwan Semiconductor Manufacturing Company Ltd. | Bottom rounding in shallow trench etching using a highly isotropic etching step |
JPH11220017A (ja) | 1998-01-30 | 1999-08-10 | Mitsubishi Electric Corp | 半導体装置とその製造方法 |
JPH11243080A (ja) * | 1998-02-25 | 1999-09-07 | Nec Corp | 半導体基板のエッチング方法 |
US5945724A (en) * | 1998-04-09 | 1999-08-31 | Micron Technology, Inc. | Trench isolation region for semiconductor device |
US6390019B1 (en) * | 1998-06-11 | 2002-05-21 | Applied Materials, Inc. | Chamber having improved process monitoring window |
JP3062163B2 (ja) * | 1998-12-01 | 2000-07-10 | キヤノン販売株式会社 | 半導体装置及び半導体装置の膜の形成方法 |
US6225187B1 (en) * | 1999-02-12 | 2001-05-01 | Nanya Technology Corporation | Method for STI-top rounding control |
DE19910886B4 (de) * | 1999-03-11 | 2008-08-14 | Infineon Technologies Ag | Verfahren zur Herstellung einer flachen Grabenisolation für elektrisch aktive Bauelemente |
JP2000294626A (ja) * | 1999-04-07 | 2000-10-20 | Sony Corp | 半導体装置の製造方法 |
US6432832B1 (en) * | 1999-06-30 | 2002-08-13 | Lam Research Corporation | Method of improving the profile angle between narrow and wide features |
US6235643B1 (en) * | 1999-08-10 | 2001-05-22 | Applied Materials, Inc. | Method for etching a trench having rounded top and bottom corners in a silicon substrate |
US6180533B1 (en) * | 1999-08-10 | 2001-01-30 | Applied Materials, Inc. | Method for etching a trench having rounded top corners in a silicon substrate |
EP1077475A3 (en) * | 1999-08-11 | 2003-04-02 | Applied Materials, Inc. | Method of micromachining a multi-part cavity |
KR20010045623A (ko) | 1999-11-05 | 2001-06-05 | 윤종용 | 반도체 장치의 트렌치 소자분리 방법 |
KR100358130B1 (ko) * | 1999-12-24 | 2002-10-25 | 주식회사 하이닉스반도체 | 트렌치 저면의 스트레스 집중 현상을 완화시킬 수 있는 트렌치형 소자분리막 형성방법 |
US6544860B1 (en) * | 2000-03-06 | 2003-04-08 | Koninklijke Philips Electronics N.V. | Shallow trench isolation method for forming rounded bottom trench corners |
US6527968B1 (en) * | 2000-03-27 | 2003-03-04 | Applied Materials Inc. | Two-stage self-cleaning silicon etch process |
US6762129B2 (en) * | 2000-04-19 | 2004-07-13 | Matsushita Electric Industrial Co., Ltd. | Dry etching method, fabrication method for semiconductor device, and dry etching apparatus |
JP2001345375A (ja) * | 2000-05-31 | 2001-12-14 | Miyazaki Oki Electric Co Ltd | 半導体装置および半導体装置の製造方法 |
US6821900B2 (en) * | 2001-01-09 | 2004-11-23 | Infineon Technologies Ag | Method for dry etching deep trenches in a substrate |
US6440816B1 (en) * | 2001-01-30 | 2002-08-27 | Agere Systems Guardian Corp. | Alignment mark fabrication process to limit accumulation of errors in level to level overlay |
KR100702723B1 (ko) * | 2001-06-22 | 2007-04-03 | 동경 엘렉트론 주식회사 | 드라이 에칭 방법 |
US6500727B1 (en) * | 2001-09-21 | 2002-12-31 | Taiwan Semiconductor Manufacturing Company | Silicon shallow trench etching with round top corner by photoresist-free process |
US6821901B2 (en) * | 2002-02-28 | 2004-11-23 | Seung-Jin Song | Method of through-etching substrate |
JP3586678B2 (ja) * | 2002-04-12 | 2004-11-10 | エルピーダメモリ株式会社 | エッチング方法 |
US6849554B2 (en) * | 2002-05-01 | 2005-02-01 | Applied Materials, Inc. | Method of etching a deep trench having a tapered profile in silicon |
US6709984B2 (en) * | 2002-08-13 | 2004-03-23 | Hitachi High-Technologies Corporation | Method for manufacturing semiconductor device |
US6919259B2 (en) * | 2002-10-21 | 2005-07-19 | Taiwan Semiconductor Manufacturing Co., Ltd | Method for STI etching using endpoint detection |
-
2002
- 2002-06-07 KR KR1020067004635A patent/KR100702723B1/ko not_active Expired - Fee Related
- 2002-06-07 KR KR1020037016663A patent/KR100595065B1/ko not_active Expired - Fee Related
- 2002-06-07 US US10/481,645 patent/US7183217B2/en not_active Expired - Fee Related
- 2002-06-07 CN CNB028124936A patent/CN100336180C/zh not_active Expired - Fee Related
- 2002-06-07 WO PCT/JP2002/005636 patent/WO2003001577A1/ja active Application Filing
- 2002-06-11 TW TW091112669A patent/TWI364789B/zh not_active IP Right Cessation
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Also Published As
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US20060172546A1 (en) | 2006-08-03 |
CN100336180C (zh) | 2007-09-05 |
US20040171254A1 (en) | 2004-09-02 |
CN1518759A (zh) | 2004-08-04 |
US7531460B2 (en) | 2009-05-12 |
KR20060028660A (ko) | 2006-03-30 |
TWI364789B (ko) | 2012-05-21 |
US7183217B2 (en) | 2007-02-27 |
KR20040021613A (ko) | 2004-03-10 |
KR100702723B1 (ko) | 2007-04-03 |
WO2003001577A1 (en) | 2003-01-03 |
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