KR20190087668A - Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 - Google Patents
Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 Download PDFInfo
- Publication number
- KR20190087668A KR20190087668A KR1020197020821A KR20197020821A KR20190087668A KR 20190087668 A KR20190087668 A KR 20190087668A KR 1020197020821 A KR1020197020821 A KR 1020197020821A KR 20197020821 A KR20197020821 A KR 20197020821A KR 20190087668 A KR20190087668 A KR 20190087668A
- Authority
- KR
- South Korea
- Prior art keywords
- wafer
- chamber
- cleaned surface
- soi
- soi wafer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title abstract description 62
- 238000002161 passivation Methods 0.000 title abstract description 25
- 238000011065 in-situ storage Methods 0.000 title abstract description 7
- 239000012212 insulator Substances 0.000 title abstract description 4
- 235000012431 wafers Nutrition 0.000 title description 164
- 230000008569 process Effects 0.000 abstract description 31
- 239000000463 material Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 27
- 239000000356 contaminant Substances 0.000 description 14
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 9
- 238000011109 contamination Methods 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical group [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- -1 helium ions Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003631 wet chemical etching Methods 0.000 description 1
Images
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
- H01L21/70—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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/7806—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices involving the separation of the active layers from a substrate
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Element Separation (AREA)
- Formation Of Insulating Films (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35999810P | 2010-06-30 | 2010-06-30 | |
| US61/359,998 | 2010-06-30 | ||
| PCT/IB2011/052903 WO2012001659A2 (en) | 2010-06-30 | 2011-06-30 | Methods for in-situ passivation of silicon-on-insulator wafers |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020187009456A Division KR20180037326A (ko) | 2010-06-30 | 2011-06-30 | Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20190087668A true KR20190087668A (ko) | 2019-07-24 |
Family
ID=44653366
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020197020821A Ceased KR20190087668A (ko) | 2010-06-30 | 2011-06-30 | Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 |
| KR1020137002599A Active KR102083688B1 (ko) | 2010-06-30 | 2011-06-30 | Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 |
| KR1020187009456A Ceased KR20180037326A (ko) | 2010-06-30 | 2011-06-30 | Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137002599A Active KR102083688B1 (ko) | 2010-06-30 | 2011-06-30 | Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 |
| KR1020187009456A Ceased KR20180037326A (ko) | 2010-06-30 | 2011-06-30 | Soi 웨이퍼를 인시츄로 패시베이션하기 위한 방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8859393B2 (enExample) |
| EP (1) | EP2589075A2 (enExample) |
| JP (1) | JP5989642B2 (enExample) |
| KR (3) | KR20190087668A (enExample) |
| CN (1) | CN102959697A (enExample) |
| SG (1) | SG186853A1 (enExample) |
| TW (1) | TW201216414A (enExample) |
| WO (1) | WO2012001659A2 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427097B (zh) * | 2011-11-23 | 2014-05-07 | 中国科学院物理研究所 | 一种硅的氧化钝化方法及钝化装置 |
| US8747598B2 (en) | 2012-04-25 | 2014-06-10 | Gtat Corporation | Method of forming a permanently supported lamina |
| KR102212296B1 (ko) | 2014-01-23 | 2021-02-04 | 글로벌웨이퍼스 씨오., 엘티디. | 고 비저항 soi 웨이퍼 및 그 제조 방법 |
| US9853133B2 (en) * | 2014-09-04 | 2017-12-26 | Sunedison Semiconductor Limited (Uen201334164H) | Method of manufacturing high resistivity silicon-on-insulator substrate |
| US9899499B2 (en) | 2014-09-04 | 2018-02-20 | Sunedison Semiconductor Limited (Uen201334164H) | High resistivity silicon-on-insulator wafer manufacturing method for reducing substrate loss |
| EP3573094B1 (en) | 2014-11-18 | 2023-01-04 | GlobalWafers Co., Ltd. | High resistivity semiconductor-on-insulator wafer and a method of manufacturing |
| US10224233B2 (en) | 2014-11-18 | 2019-03-05 | Globalwafers Co., Ltd. | High resistivity silicon-on-insulator substrate comprising a charge trapping layer formed by He-N2 co-implantation |
| EP3221884B1 (en) | 2014-11-18 | 2022-06-01 | GlobalWafers Co., Ltd. | High resistivity semiconductor-on-insulator wafers with charge trapping layers and method of manufacturing thereof |
| WO2016140850A1 (en) | 2015-03-03 | 2016-09-09 | Sunedison Semiconductor Limited | Method of depositing charge trapping polycrystalline silicon films on silicon substrates with controllable film stress |
| CN107408532A (zh) | 2015-03-17 | 2017-11-28 | 太阳能爱迪生半导体有限公司 | 用于绝缘体上半导体结构的制造的热稳定电荷捕获层 |
| US9881832B2 (en) | 2015-03-17 | 2018-01-30 | Sunedison Semiconductor Limited (Uen201334164H) | Handle substrate for use in manufacture of semiconductor-on-insulator structure and method of manufacturing thereof |
| CN107667416B (zh) | 2015-06-01 | 2021-08-31 | 环球晶圆股份有限公司 | 制造绝缘体上半导体的方法 |
| EP3304586B1 (en) | 2015-06-01 | 2020-10-07 | GlobalWafers Co., Ltd. | A method of manufacturing silicon germanium-on-insulator |
| US10529616B2 (en) | 2015-11-20 | 2020-01-07 | Globalwafers Co., Ltd. | Manufacturing method of smoothing a semiconductor surface |
| US10468294B2 (en) | 2016-02-19 | 2019-11-05 | Globalwafers Co., Ltd. | High resistivity silicon-on-insulator substrate comprising a charge trapping layer formed on a substrate with a rough surface |
| WO2017142849A1 (en) | 2016-02-19 | 2017-08-24 | Sunedison Semiconductor Limited | Semiconductor on insulator structure comprising a buried high resistivity layer |
| US9831115B2 (en) | 2016-02-19 | 2017-11-28 | Sunedison Semiconductor Limited (Uen201334164H) | Process flow for manufacturing semiconductor on insulator structures in parallel |
| WO2017155804A1 (en) | 2016-03-07 | 2017-09-14 | Sunedison Semiconductor Limited | Method of manufacturing a semiconductor on insulator structure by a pressurized bond treatment |
| WO2017155808A1 (en) | 2016-03-07 | 2017-09-14 | Sunedison Semiconductor Limited | Semiconductor on insulator structure comprising a plasma nitride layer and method of manufacture thereof |
| EP3427293B1 (en) | 2016-03-07 | 2021-05-05 | Globalwafers Co., Ltd. | Semiconductor on insulator structure comprising a low temperature flowable oxide layer and method of manufacture thereof |
| US10573550B2 (en) | 2016-03-07 | 2020-02-25 | Globalwafers Co., Ltd. | Semiconductor on insulator structure comprising a plasma oxide layer and method of manufacture thereof |
| EP3469120B1 (en) | 2016-06-08 | 2022-02-02 | GlobalWafers Co., Ltd. | High resistivity single crystal silicon ingot and wafer having improved mechanical strength |
| US10269617B2 (en) | 2016-06-22 | 2019-04-23 | Globalwafers Co., Ltd. | High resistivity silicon-on-insulator substrate comprising an isolation region |
| JP6831911B2 (ja) | 2016-10-26 | 2021-02-17 | グローバルウェーハズ カンパニー リミテッドGlobalWafers Co.,Ltd. | 向上した電荷捕獲効率を有する高抵抗率シリコンオンインシュレータ基板 |
| EP4009361B1 (en) | 2016-12-05 | 2025-02-19 | GlobalWafers Co., Ltd. | High resistivity silicon-on-insulator structure |
| EP3653761B1 (en) | 2016-12-28 | 2024-02-28 | Sunedison Semiconductor Limited | Silicon wafers with intrinsic gettering and gate oxide integrity yield |
| FR3061988B1 (fr) * | 2017-01-13 | 2019-11-01 | Soitec | Procede de lissage de surface d'un substrat semiconducteur sur isolant |
| CN117038572A (zh) | 2017-07-14 | 2023-11-10 | 太阳能爱迪生半导体有限公司 | 绝缘体上半导体结构的制造方法 |
| US10916416B2 (en) | 2017-11-14 | 2021-02-09 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor wafer with modified surface and fabrication method thereof |
| EP3785293B1 (en) | 2018-04-27 | 2023-06-07 | GlobalWafers Co., Ltd. | Light assisted platelet formation facilitating layer transfer from a semiconductor donor substrate |
| JP7123182B2 (ja) | 2018-06-08 | 2022-08-22 | グローバルウェーハズ カンパニー リミテッド | シリコン箔層の移転方法 |
| US11296277B2 (en) | 2018-10-16 | 2022-04-05 | Samsung Electronics Co., Ltd. | Variable resistance memory device having an anti-oxidation layer and a method of manufacturing the same |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836786A (en) * | 1967-01-04 | 1974-09-17 | Purification Sciences Inc | Dielectric liquid-immersed corona generator |
| CA1030102A (en) * | 1972-08-17 | 1978-04-25 | Purification Sciences Inc. | Dielectric liquid-immersed corona generator |
| US5000113A (en) * | 1986-12-19 | 1991-03-19 | Applied Materials, Inc. | Thermal CVD/PECVD reactor and use for thermal chemical vapor deposition of silicon dioxide and in-situ multi-step planarized process |
| JPH07118522B2 (ja) * | 1990-10-24 | 1995-12-18 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 基板表面を酸化処理するための方法及び半導体の構造 |
| JPH05259153A (ja) * | 1992-03-12 | 1993-10-08 | Fujitsu Ltd | シリコン酸化膜の製造方法と製造装置 |
| JPH0766195A (ja) * | 1993-06-29 | 1995-03-10 | Sumitomo Sitix Corp | シリコンウェーハの表面酸化膜形成方法 |
| CN1104264A (zh) * | 1994-09-02 | 1995-06-28 | 复旦大学 | 热壁密装低温低压淀积二氧化硅薄膜技术 |
| US5880029A (en) * | 1996-12-27 | 1999-03-09 | Motorola, Inc. | Method of passivating semiconductor devices and the passivated devices |
| US5972802A (en) * | 1997-10-07 | 1999-10-26 | Seh America, Inc. | Prevention of edge stain in silicon wafers by ozone dipping |
| JP3153162B2 (ja) * | 1997-10-08 | 2001-04-03 | 松下電子工業株式会社 | シリコン酸化膜の形成方法 |
| JP4379943B2 (ja) * | 1999-04-07 | 2009-12-09 | 株式会社デンソー | 半導体基板の製造方法および半導体基板製造装置 |
| US20020175143A1 (en) * | 2001-05-22 | 2002-11-28 | Seh America, Inc. | Processes for polishing wafers |
| US6833322B2 (en) | 2002-10-17 | 2004-12-21 | Applied Materials, Inc. | Apparatuses and methods for depositing an oxide film |
| JP4614416B2 (ja) | 2003-05-29 | 2011-01-19 | 日東電工株式会社 | 半導体チップの製造方法およびダイシング用シート貼付け装置 |
| JP2007149723A (ja) | 2005-11-24 | 2007-06-14 | Sumco Corp | 貼り合わせウェーハの製造方法 |
| US7939424B2 (en) * | 2007-09-21 | 2011-05-10 | Varian Semiconductor Equipment Associates, Inc. | Wafer bonding activated by ion implantation |
| SG161151A1 (en) | 2008-10-22 | 2010-05-27 | Semiconductor Energy Lab | Soi substrate and method for manufacturing the same |
| US20100130021A1 (en) | 2008-11-26 | 2010-05-27 | Memc Electronic Materials, Inc. | Method for processing a silicon-on-insulator structure |
-
2011
- 2011-06-16 US US13/162,122 patent/US8859393B2/en active Active
- 2011-06-30 WO PCT/IB2011/052903 patent/WO2012001659A2/en not_active Ceased
- 2011-06-30 KR KR1020197020821A patent/KR20190087668A/ko not_active Ceased
- 2011-06-30 SG SG2012096020A patent/SG186853A1/en unknown
- 2011-06-30 KR KR1020137002599A patent/KR102083688B1/ko active Active
- 2011-06-30 TW TW100123193A patent/TW201216414A/zh unknown
- 2011-06-30 CN CN2011800328260A patent/CN102959697A/zh active Pending
- 2011-06-30 EP EP11757935.9A patent/EP2589075A2/en not_active Withdrawn
- 2011-06-30 JP JP2013517642A patent/JP5989642B2/ja active Active
- 2011-06-30 KR KR1020187009456A patent/KR20180037326A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP2589075A2 (en) | 2013-05-08 |
| WO2012001659A3 (en) | 2012-03-01 |
| KR20130129897A (ko) | 2013-11-29 |
| TW201216414A (en) | 2012-04-16 |
| WO2012001659A2 (en) | 2012-01-05 |
| US8859393B2 (en) | 2014-10-14 |
| KR102083688B1 (ko) | 2020-03-02 |
| US20120003814A1 (en) | 2012-01-05 |
| KR20180037326A (ko) | 2018-04-11 |
| SG186853A1 (en) | 2013-02-28 |
| JP5989642B2 (ja) | 2016-09-07 |
| JP2013534731A (ja) | 2013-09-05 |
| CN102959697A (zh) | 2013-03-06 |
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Comment text: Divisional Application for International Patent Patent event code: PA01041R01D Patent event date: 20190717 Application number text: 1020187009456 Filing date: 20180403 |
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Patent event code: PA02012R01D Patent event date: 20190816 Comment text: Request for Examination of Application |
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Comment text: Notification of reason for refusal Patent event date: 20191009 Patent event code: PE09021S01D |
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Patent event date: 20200102 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20191009 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |