CN101459066A - 栅极、浅沟槽隔离区形成方法及硅基材刻蚀表面的平坦化方法 - Google Patents
栅极、浅沟槽隔离区形成方法及硅基材刻蚀表面的平坦化方法 Download PDFInfo
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- CN101459066A CN101459066A CNA2007100945203A CN200710094520A CN101459066A CN 101459066 A CN101459066 A CN 101459066A CN A2007100945203 A CNA2007100945203 A CN A2007100945203A CN 200710094520 A CN200710094520 A CN 200710094520A CN 101459066 A CN101459066 A CN 101459066A
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- silicon substrate
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- formation method
- isotropic plasma
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- Granted
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- 238000005530 etching Methods 0.000 title claims abstract description 122
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 94
- 239000010703 silicon Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 87
- 238000002955 isolation Methods 0.000 title claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 96
- 239000007789 gas Substances 0.000 claims abstract description 71
- 238000001020 plasma etching Methods 0.000 claims abstract description 63
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 50
- 239000011737 fluorine Substances 0.000 claims abstract description 50
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 40
- 229920005591 polysilicon Polymers 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 37
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 37
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 239000011259 mixed solution Substances 0.000 claims description 51
- 230000015572 biosynthetic process Effects 0.000 claims description 46
- 238000005516 engineering process Methods 0.000 claims description 35
- 238000004140 cleaning Methods 0.000 claims description 34
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 23
- VSHBTVRLYANFBK-UHFFFAOYSA-N ozone sulfuric acid Chemical compound [O-][O+]=O.OS(O)(=O)=O VSHBTVRLYANFBK-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000002161 passivation Methods 0.000 claims description 12
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 210000002381 plasma Anatomy 0.000 description 20
- 230000001681 protective effect Effects 0.000 description 16
- 230000002950 deficient Effects 0.000 description 14
- 229910020177 SiOF Inorganic materials 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000001947 vapour-phase growth Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
Images
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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02071—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a delineation, e.g. RIE, of conductive layers
-
- 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
- H01L21/02—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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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (31)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100945203A CN101459066B (zh) | 2007-12-13 | 2007-12-13 | 栅极、浅沟槽隔离区形成方法及硅基材刻蚀表面的平坦化方法 |
US12/333,066 US8039402B2 (en) | 2007-12-13 | 2008-12-11 | Methods for forming a gate and a shallow trench isolation region and for planarizating an etched surface of silicon substrate |
US13/208,885 US8377827B2 (en) | 2007-12-13 | 2011-08-12 | Methods for forming a gate and a shallow trench isolation region and for planarizing an etched surface of silicon substrate |
US13/208,892 US8367554B2 (en) | 2007-12-13 | 2011-08-12 | Methods for forming a gate and a shallow trench isolation region and for planarizing an etched surface of silicon substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100945203A CN101459066B (zh) | 2007-12-13 | 2007-12-13 | 栅极、浅沟槽隔离区形成方法及硅基材刻蚀表面的平坦化方法 |
Publications (2)
Publication Number | Publication Date |
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CN101459066A true CN101459066A (zh) | 2009-06-17 |
CN101459066B CN101459066B (zh) | 2010-08-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2007100945203A Expired - Fee Related CN101459066B (zh) | 2007-12-13 | 2007-12-13 | 栅极、浅沟槽隔离区形成方法及硅基材刻蚀表面的平坦化方法 |
Country Status (2)
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US (3) | US8039402B2 (zh) |
CN (1) | CN101459066B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102446707A (zh) * | 2010-10-01 | 2012-05-09 | 株式会社Mm科技 | 用于处理硅衬底的方法和设备 |
CN101996877B (zh) * | 2009-08-14 | 2012-07-04 | 中芯国际集成电路制造(上海)有限公司 | 刻蚀方法以及形成浅沟槽隔离结构的方法 |
CN102637588A (zh) * | 2012-05-04 | 2012-08-15 | 上海华力微电子有限公司 | 一种栅极补偿隔离区刻蚀方法 |
CN103534196A (zh) * | 2011-05-12 | 2014-01-22 | 朗姆研究公司 | 用于在bosch蚀刻工艺后实现平滑的侧壁的方法 |
CN105097457A (zh) * | 2014-05-04 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的形成方法 |
CN105185704A (zh) * | 2015-08-05 | 2015-12-23 | 成都嘉石科技有限公司 | 深硅刻蚀方法 |
CN105489482A (zh) * | 2014-09-17 | 2016-04-13 | 北大方正集团有限公司 | Vdmos沟槽刻蚀方法及vdmos |
CN108206190A (zh) * | 2018-01-18 | 2018-06-26 | 上海华虹宏力半导体制造有限公司 | 一种改善闪存编程能力的方法 |
CN109545676A (zh) * | 2018-11-22 | 2019-03-29 | 上海华力集成电路制造有限公司 | 半导体器件栅极高度平坦化方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1036709A1 (nl) | 2008-04-24 | 2009-10-27 | Asml Netherlands Bv | Lithographic apparatus and a method of operating the apparatus. |
KR102052936B1 (ko) * | 2012-11-13 | 2019-12-06 | 삼성전자 주식회사 | 반도체 소자 제조 방법 |
DE102014104239A1 (de) | 2014-03-26 | 2015-10-01 | Ev Group E. Thallner Gmbh | Verfahren zur Beschichtung von Kavitäten eines Halbleitersubstrats |
CN105502280B (zh) * | 2014-09-24 | 2017-05-24 | 中芯国际集成电路制造(上海)有限公司 | Mems器件的形成方法 |
CN108133887B (zh) * | 2017-12-04 | 2019-07-02 | 扬州国宇电子有限公司 | 基于深槽刻蚀的平坦化方法 |
WO2020131989A1 (en) * | 2018-12-21 | 2020-06-25 | Mattson Technology, Inc. | Surface smoothing of workpieces |
KR20200113491A (ko) * | 2019-03-25 | 2020-10-07 | 삼성전자주식회사 | 커패시터의 형성 방법, 반도체 소자의 제조 방법, 미세 패턴의 형성 방법, 및 반도체 소자 |
CN112289675A (zh) * | 2019-07-22 | 2021-01-29 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构的形成方法及半导体结构 |
JP7478059B2 (ja) * | 2020-08-05 | 2024-05-02 | 株式会社アルバック | シリコンのドライエッチング方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6417084B1 (en) * | 2000-07-20 | 2002-07-09 | Advanced Micro Devices, Inc. | T-gate formation using a modified conventional poly process |
US6555397B1 (en) * | 2000-09-13 | 2003-04-29 | Advanced Micro Devices, Inc. | Dry isotropic removal of inorganic anti-reflective coating after poly gate etching |
US6723653B1 (en) * | 2001-08-17 | 2004-04-20 | Lsi Logic Corporation | Process for reducing defects in copper-filled vias and/or trenches formed in porous low-k dielectric material |
CN1320629C (zh) * | 2004-06-28 | 2007-06-06 | 中芯国际集成电路制造(上海)有限公司 | 集成电路器件形成隔离物后修复等离子体损伤的方法 |
US20060094171A1 (en) * | 2004-11-04 | 2006-05-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | Isolation trench thermal annealing method for non-bulk silicon semiconductor substrate |
JP4653470B2 (ja) | 2004-12-02 | 2011-03-16 | 株式会社アルバック | エッチング方法 |
CN1855372A (zh) | 2005-04-18 | 2006-11-01 | 力晶半导体股份有限公司 | 栅极与具有此种栅极的快闪存储器的形成方法 |
KR100695500B1 (ko) * | 2005-12-28 | 2007-03-16 | 주식회사 하이닉스반도체 | 탑라운드 리세스 패턴을 갖는 반도체 소자의 제조방법 |
US20070224775A1 (en) * | 2006-03-27 | 2007-09-27 | Nick Lindert | Trench isolation structure having an expanded portion thereof |
JP4812512B2 (ja) * | 2006-05-19 | 2011-11-09 | オンセミコンダクター・トレーディング・リミテッド | 半導体装置の製造方法 |
CA2661661A1 (en) * | 2006-11-21 | 2008-05-29 | Applied Biosystems, Llc | Intermediates and methods for forming passivated surfaces on oxide layers and articles produced thereby |
-
2007
- 2007-12-13 CN CN2007100945203A patent/CN101459066B/zh not_active Expired - Fee Related
-
2008
- 2008-12-11 US US12/333,066 patent/US8039402B2/en active Active
-
2011
- 2011-08-12 US US13/208,885 patent/US8377827B2/en active Active
- 2011-08-12 US US13/208,892 patent/US8367554B2/en active Active
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101996877B (zh) * | 2009-08-14 | 2012-07-04 | 中芯国际集成电路制造(上海)有限公司 | 刻蚀方法以及形成浅沟槽隔离结构的方法 |
CN102446707A (zh) * | 2010-10-01 | 2012-05-09 | 株式会社Mm科技 | 用于处理硅衬底的方法和设备 |
US8791026B2 (en) | 2010-10-01 | 2014-07-29 | Mmtech Co., Ltd. | Method and apparatus for treating silicon substrate |
CN103534196A (zh) * | 2011-05-12 | 2014-01-22 | 朗姆研究公司 | 用于在bosch蚀刻工艺后实现平滑的侧壁的方法 |
CN103534196B (zh) * | 2011-05-12 | 2016-03-16 | 朗姆研究公司 | 用于在bosch蚀刻工艺后实现平滑的侧壁的方法 |
CN102637588A (zh) * | 2012-05-04 | 2012-08-15 | 上海华力微电子有限公司 | 一种栅极补偿隔离区刻蚀方法 |
CN105097457A (zh) * | 2014-05-04 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的形成方法 |
CN105489482A (zh) * | 2014-09-17 | 2016-04-13 | 北大方正集团有限公司 | Vdmos沟槽刻蚀方法及vdmos |
CN105185704A (zh) * | 2015-08-05 | 2015-12-23 | 成都嘉石科技有限公司 | 深硅刻蚀方法 |
CN108206190A (zh) * | 2018-01-18 | 2018-06-26 | 上海华虹宏力半导体制造有限公司 | 一种改善闪存编程能力的方法 |
CN109545676A (zh) * | 2018-11-22 | 2019-03-29 | 上海华力集成电路制造有限公司 | 半导体器件栅极高度平坦化方法 |
CN109545676B (zh) * | 2018-11-22 | 2021-06-15 | 上海华力集成电路制造有限公司 | 半导体器件栅极高度平坦化方法 |
Also Published As
Publication number | Publication date |
---|---|
US20110300698A1 (en) | 2011-12-08 |
US20110300688A1 (en) | 2011-12-08 |
US8367554B2 (en) | 2013-02-05 |
CN101459066B (zh) | 2010-08-11 |
US8039402B2 (en) | 2011-10-18 |
US20090155977A1 (en) | 2009-06-18 |
US8377827B2 (en) | 2013-02-19 |
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