JP4626175B2 - Soi基板の製造方法 - Google Patents
Soi基板の製造方法 Download PDFInfo
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- JP4626175B2 JP4626175B2 JP2004115569A JP2004115569A JP4626175B2 JP 4626175 B2 JP4626175 B2 JP 4626175B2 JP 2004115569 A JP2004115569 A JP 2004115569A JP 2004115569 A JP2004115569 A JP 2004115569A JP 4626175 B2 JP4626175 B2 JP 4626175B2
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- Prior art keywords
- furnace
- soi substrate
- insulating layer
- interface
- hydrogen
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- 239000000758 substrate Substances 0.000 title claims description 206
- 238000004519 manufacturing process Methods 0.000 title claims description 46
- 238000000034 method Methods 0.000 claims description 173
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 158
- 229910052710 silicon Inorganic materials 0.000 claims description 156
- 239000010703 silicon Substances 0.000 claims description 156
- 239000007789 gas Substances 0.000 claims description 87
- 239000001257 hydrogen Substances 0.000 claims description 66
- 229910052739 hydrogen Inorganic materials 0.000 claims description 66
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 58
- 239000012298 atmosphere Substances 0.000 claims description 49
- 238000010438 heat treatment Methods 0.000 claims description 46
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 33
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 229910052786 argon Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 description 27
- 229910052760 oxygen Inorganic materials 0.000 description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- -1 oxygen ions Chemical class 0.000 description 17
- 230000007423 decrease Effects 0.000 description 16
- 238000005468 ion implantation Methods 0.000 description 9
- 239000011261 inert gas Substances 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 229910008062 Si-SiO2 Inorganic materials 0.000 description 1
- 229910006403 Si—SiO2 Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000005406 washing 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
- H01L21/71—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
- H01L21/76243—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using silicon implanted buried insulating layers, e.g. oxide layers, i.e. SIMOX techniques
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- 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)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Description
3 絶縁層
5 表面シリコン層
7 シリコン支持体
9 SOI基板
11 酸化膜
Claims (3)
- シリコン支持体、該シリコン支持体の一面側に設けられた酸化膜からなる絶縁層、及び、該絶縁層をシリコン支持体とで挟んだ状態で形成された表面シリコン層を備えたSOI基板を形成するための熱処理工程の後、該熱処理工程を行なった炉から前記SOI基板を取り出すアンロード工程を行なうとき、炉内の温度を350℃以上750℃以下とし、かつ、該炉に水素又は水蒸気を0.1体積%含む窒素ガスを供給して行い、該炉から前記SOI基板を取り出す炉外の雰囲気を水素または水蒸気を0.1体積%含むガス雰囲気とし、
前記アンロード工程において、前記炉内に供給する前記水素又は水蒸気を0.1体積%含む窒素ガスが、該炉の前記SOI基板の取出し口から流出するときの流量を20SLM以下にし、前記炉からSOI基板を取り出すときのSOI基板の移動速度を20mm/分以上500mm/分以下とすることを特徴とするSOI基板の製造方法。 - シリコン支持体、該シリコン支持体の一面側に設けられた酸化膜からなる絶縁層、及び、該絶縁層をシリコン支持体とで挟んだ状態で形成された表面シリコン層を備えたSOI基板を形成するための熱処理工程の後、該熱処理工程を行なった炉から前記SOI基板を取り出すアンロード工程を行なうとき、炉内の温度を350℃以上750℃以下とし、かつ、該炉にアルゴンガスを供給して行い、該炉から前記SOI基板を取り出す炉外の雰囲気を水素または水蒸気を0.1体積%含むガス雰囲気とし、
前記アンロード工程において、前記炉内に供給する前記アルゴンガスが、該炉の前記SOI基板の取出し口から流出するときの流量を20SLM以下にし、前記炉からSOI基板を取り出すときのSOI基板の移動速度を20mm/分以上500mm/分以下とすることを特徴とするSOI基板の製造方法。 - シリコン支持体、該シリコン支持体の一面側に設けられた酸化膜からなる絶縁層、及び、該絶縁層をシリコン支持体とで挟んだ状態で形成された表面シリコン層を備えたSOI基板を形成するための熱処理工程の後、該熱処理工程を行なった炉から前記SOI基板を取り出すアンロード工程を行なうとき、炉内の温度を600℃を超え750℃以下とし、かつ、該炉に窒素ガスを供給して行い、該炉から前記SOI基板を取り出す炉外の雰囲気を水素または水蒸気を0.1体積%含むガス雰囲気とし、
前記アンロード工程において、前記炉内に供給する前記窒素ガスが、該炉の前記SOI基板の取出し口から流出するときの流量を20SLM以下にし、前記炉からSOI基板を取り出すときのSOI基板の移動速度を20mm/分以上500mm/分以下とすることを特徴とするSOI基板の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004115569A JP4626175B2 (ja) | 2004-04-09 | 2004-04-09 | Soi基板の製造方法 |
US11/101,870 US7253069B2 (en) | 2004-04-09 | 2005-04-08 | Method for manufacturing silicon-on-insulator wafer |
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---|---|---|---|
JP2004115569A JP4626175B2 (ja) | 2004-04-09 | 2004-04-09 | Soi基板の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005302947A JP2005302947A (ja) | 2005-10-27 |
JP4626175B2 true JP4626175B2 (ja) | 2011-02-02 |
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JP2004115569A Expired - Lifetime JP4626175B2 (ja) | 2004-04-09 | 2004-04-09 | Soi基板の製造方法 |
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US (1) | US7253069B2 (ja) |
JP (1) | JP4626175B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006082466A1 (en) * | 2005-02-03 | 2006-08-10 | S.O.I.Tec Silicon On Insulator Technologies | Method for reducing the trap density in a semiconductor wafer |
JP2007207874A (ja) * | 2006-01-31 | 2007-08-16 | Sumco Corp | シリコンウェーハの製造方法およびシリコンウェーハ |
US8101501B2 (en) * | 2007-10-10 | 2012-01-24 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing semiconductor device |
JP6531743B2 (ja) * | 2016-09-27 | 2019-06-19 | 信越半導体株式会社 | 貼り合わせsoiウェーハの製造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003347527A (ja) * | 2002-05-30 | 2003-12-05 | Sumitomo Mitsubishi Silicon Corp | Simox基板およびその製造方法 |
Family Cites Families (5)
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US6159829A (en) * | 1996-09-16 | 2000-12-12 | Warren; William L. | Memory device using movement of protons |
US5877070A (en) * | 1997-05-31 | 1999-03-02 | Max-Planck Society | Method for the transfer of thin layers of monocrystalline material to a desirable substrate |
US6150239A (en) * | 1997-05-31 | 2000-11-21 | Max Planck Society | Method for the transfer of thin layers monocrystalline material onto a desirable substrate |
US6593211B2 (en) * | 1998-09-04 | 2003-07-15 | Canon Kabushiki Kaisha | Semiconductor substrate and method for producing the same |
DE10131249A1 (de) * | 2001-06-28 | 2002-05-23 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung eines Films oder einer Schicht aus halbleitendem Material |
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- 2004-04-09 JP JP2004115569A patent/JP4626175B2/ja not_active Expired - Lifetime
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- 2005-04-08 US US11/101,870 patent/US7253069B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003347527A (ja) * | 2002-05-30 | 2003-12-05 | Sumitomo Mitsubishi Silicon Corp | Simox基板およびその製造方法 |
Also Published As
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JP2005302947A (ja) | 2005-10-27 |
US7253069B2 (en) | 2007-08-07 |
US20050227462A1 (en) | 2005-10-13 |
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