JP5101287B2 - 接合されるべき面の処理を伴う転写方法 - Google Patents
接合されるべき面の処理を伴う転写方法 Download PDFInfo
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- JP5101287B2 JP5101287B2 JP2007532977A JP2007532977A JP5101287B2 JP 5101287 B2 JP5101287 B2 JP 5101287B2 JP 2007532977 A JP2007532977 A JP 2007532977A JP 2007532977 A JP2007532977 A JP 2007532977A JP 5101287 B2 JP5101287 B2 JP 5101287B2
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000011109 contamination Methods 0.000 claims abstract description 15
- 238000011282 treatment Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 33
- 239000000356 contaminant Substances 0.000 claims description 31
- 239000000243 solution Substances 0.000 claims description 17
- 239000013626 chemical specie Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000000137 annealing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 238000003795 desorption Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 4
- 239000005350 fused silica glass Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 abstract description 216
- 238000001994 activation Methods 0.000 description 23
- 230000004913 activation Effects 0.000 description 23
- 230000008569 process Effects 0.000 description 23
- 239000010410 layer Substances 0.000 description 19
- 238000000678 plasma activation Methods 0.000 description 17
- 239000012212 insulator Substances 0.000 description 16
- 238000002513 implantation Methods 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910003465 moissanite Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- H01L21/02—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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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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)
- Pressure Welding/Diffusion-Bonding (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Threshing Machine Elements (AREA)
Description
・BESOIタイプの工程(トップウエハからの材料の除去は、前記トップウエハのエッチングによって実施される)、
・ELTRAN(商標)タイプの工程(除去は過剰な材料の脱離(detachment)よって実施され、前記脱離はトップウエハの多孔性領域の攻撃によって起こる)、
・Smart Cut(商標)タイプの工程[除去は過剰な材料の脱離によって実施され、前記脱離は、少なくとも1種類の化学種を用いたトップウエハの注入(implantation)によって得られた脆化領域(embrittlement regeon)におけるトップウエハの分割によって起こる。このタイプの方法の非限定的な実施形態の主要なステップに関する一般的な記述が、非特許文献1に見出しうることが具体的に挙げられる。]
そうした工程の接合ステップは、一般にはトップウエハとハンドルウエハの間に接着剤(樹脂など)を加えずに実施される。
・温度拡散によって、プラズマ暴露中のウエハの温度を調節すること、
・ウエハに対する分極(バイアス電圧)を移動させる電極として働くこと。
・接合されるべき面の少なくとも1つを処理する処理ステップであって、ウエハの所与の面の処理によって、前記ウエハの反対側の面に汚染物質が生じるステップと、
・中間多層ウエハを形成するために、トップウエハとハンドルウエハの接合されるべき面を直接接合する、接合ステップと、
・トップウエハから過剰な材料を除去する除去ステップと
を含み、
該方法が、
該処理ステップ中、トップウエハの接合されるべき面のみを処理することを特徴とする方法を提案する。
・接合されるべき面の少なくとも1つを処理する処理ステップであって、ウエハの所与の面の処理によって、前記ウエハの反対側の面に汚染物質が生じるステップと、
・中間多層ウエハを形成するために、トップウエハとハンドルウエハの接合されるべき面を直接接合する、接合ステップと、
・トップウエハから過剰な材料を除去する除去ステップと
を含み、
前記接合ステップと除去ステップの間に、前記処理ステップによってもたらされた汚染物質を、暴露された中間多層ウエハの主面から除去する洗浄ステップを含むことを特徴とする。
・図2は、本発明の第一の実施態様ににしたがったプロセスの概略を示すフローチャートである。
図2(図2a〜2eを含む)は、本発明の第1の実施形態の主要なステップを示している。
図3(図3a〜3fを含む)は、本発明の第2の実施形態の主要なステップを示している。
・活性化される面の接合に関連する接合エネルギーを高めることを意図するものである(前記面を、一般に「前」面と呼ぶことができる)。
Claims (11)
- 材料層をトップドナーウエハ(10)から受け側のハンドルウエハ(20)上へ転写する方法であって、前記トップウエハおよび前記受け側ウエハが接合されるべきそれぞれの面を有し、
該方法が、
・接合されるべき面を処理する処理ステップであって、ウエハの所与の面の処理によって前記ウエハの反対側の面に汚染物質が生じるステップと、
・前記トップウエハと前記ハンドルウエハの接合されるべき面を直接接合させて、中間多層ウエハ(30)を形成する接合ステップと、
・前記トップウエハから過剰な材料を除去する除去ステップと
を含み、
前記処理ステップ中、前記トップウエハの接合されるべき面のみを処理し、
前記処理は、処理されるべき面のプラズマへの暴露によって実施され、
前記除去ステップは、前記過剰な材料を前記トップウエハから脱離する分割アニールによって実施され、
前記脱離は、前記トップウエハに少なくとも2種類の化学種を共注入することによって作製された脆化領域(11)において実施され、
前記分割アニールの温度は、200℃から300℃の間の範囲であり、
前記方法は、さらに、前記接合ステップと前記除去ステップの間に、前記処理ステップによってもたらされた汚染物質を、暴露された前記中間多層ウエハの主面から除去する洗浄ステップを含む、
ことを特徴とする方法。 - 活性化された面と反対側のウエハの面の前記汚染物質は、1011原子/cm2超の金属汚染物質の濃度に相当することを特徴とする前記請求項1に記載の方法。
- 前記共注入は、数1016原子/cm2の全注入投与量で実施されることを特徴とする前記請求項1または2に記載の方法。
- 前記2種類の化学種が、HとHeであることを特徴とする請求項1〜3のいずれかに記載の方法。
- 前記洗浄ステップは、前記接合ステップの直後に実施されることを特徴とする前記請求項1〜4のいずれかに記載の方法。
- 前記洗浄ステップは、任意の高温熱処理の前に実施されることを特徴とする前記請求項1〜5のいずれかに記載の方法。
- 前記洗浄ステップは湿式洗浄であることを特徴とする前記請求項1〜6のいずれかに記載の方法。
- 前記洗浄ステップは、SC2溶液および/またはHF溶液を用いて実施されることを特徴とする前記請求項1〜7のいずれかに記載の方法。
- 前記洗浄ステップは、単一面洗浄装置を用いて実施されることを特徴とする前記請求項1〜8のいずれかに記載の方法。
- 前記トップウエハは、Si、またはSiGe、SiC、またはGeで製造されることを特徴とする前記請求項1〜9のいずれかに記載の方法。
- 前記ハンドルウエハは、Si、溶融石英、SiCまたはガラスで製造されることを特徴とする前記請求項1〜10のいずれかに記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2004/003275 WO2006032946A1 (en) | 2004-09-21 | 2004-09-21 | Transfer method with a treatment of a surface to be bonded |
Publications (2)
Publication Number | Publication Date |
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JP2008514023A JP2008514023A (ja) | 2008-05-01 |
JP5101287B2 true JP5101287B2 (ja) | 2012-12-19 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007532977A Expired - Lifetime JP5101287B2 (ja) | 2004-09-21 | 2004-09-21 | 接合されるべき面の処理を伴う転写方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US7615464B2 (ja) |
EP (2) | EP2048706B1 (ja) |
JP (1) | JP5101287B2 (ja) |
KR (1) | KR20120011095A (ja) |
CN (1) | CN101027769B (ja) |
AT (1) | ATE469438T1 (ja) |
DE (1) | DE602004027422D1 (ja) |
WO (1) | WO2006032946A1 (ja) |
Families Citing this family (13)
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FR2865574B1 (fr) * | 2004-01-26 | 2006-04-07 | Soitec Silicon On Insulator | Procede de fabrication d'un substrat demontable |
JP5064692B2 (ja) * | 2006-02-09 | 2012-10-31 | 信越化学工業株式会社 | Soi基板の製造方法 |
US20070284730A1 (en) * | 2006-06-12 | 2007-12-13 | Wei Shi | Method, apparatus, and system for thin die thin thermal interface material in integrated circuit packages |
FR2903808B1 (fr) * | 2006-07-11 | 2008-11-28 | Soitec Silicon On Insulator | Procede de collage direct de deux substrats utilises en electronique, optique ou opto-electronique |
US20080268617A1 (en) * | 2006-08-09 | 2008-10-30 | Applied Materials, Inc. | Methods for substrate surface cleaning suitable for fabricating silicon-on-insulator structures |
CN101056339B (zh) | 2006-11-06 | 2011-06-08 | 华为技术有限公司 | 回铃音与振铃音相互转换的方法、系统及装置 |
US20100044827A1 (en) * | 2008-08-22 | 2010-02-25 | Kinik Company | Method for making a substrate structure comprising a film and substrate structure made by same method |
US7927975B2 (en) | 2009-02-04 | 2011-04-19 | Micron Technology, Inc. | Semiconductor material manufacture |
FR2962141A1 (fr) * | 2010-06-30 | 2012-01-06 | Soitec Silicon On Insulator Technologies | Procédé de désoxydation d'une structure multicouche a l'acide fluorhydrique |
SG192102A1 (en) * | 2011-01-25 | 2013-08-30 | Ev Group E Thallner Gmbh | Method for permanent bonding of wafers |
US9305865B2 (en) * | 2013-10-31 | 2016-04-05 | Micron Technology, Inc. | Devices, systems and methods for manufacturing through-substrate vias and front-side structures |
FR2977069B1 (fr) | 2011-06-23 | 2014-02-07 | Soitec Silicon On Insulator | Procede de fabrication d'une structure semi-conductrice mettant en oeuvre un collage temporaire |
FR3007892B1 (fr) * | 2013-06-27 | 2015-07-31 | Commissariat Energie Atomique | Procede de transfert d'une couche mince avec apport d'energie thermique a une zone fragilisee via une couche inductive |
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US5395788A (en) * | 1991-03-15 | 1995-03-07 | Shin Etsu Handotai Co., Ltd. | Method of producing semiconductor substrate |
JP3294934B2 (ja) * | 1994-03-11 | 2002-06-24 | キヤノン株式会社 | 半導体基板の作製方法及び半導体基板 |
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 |
US6548382B1 (en) * | 1997-07-18 | 2003-04-15 | Silicon Genesis Corporation | Gettering technique for wafers made using a controlled cleaving process |
AU9296098A (en) * | 1997-08-29 | 1999-03-16 | Sharon N. Farrens | In situ plasma wafer bonding method |
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JPH11251207A (ja) * | 1998-03-03 | 1999-09-17 | Canon Inc | Soi基板及びその製造方法並びにその製造設備 |
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JP2001015721A (ja) * | 1999-04-30 | 2001-01-19 | Canon Inc | 複合部材の分離方法及び薄膜の製造方法 |
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-
2004
- 2004-09-21 WO PCT/IB2004/003275 patent/WO2006032946A1/en active Application Filing
- 2004-09-21 DE DE602004027422T patent/DE602004027422D1/de not_active Expired - Lifetime
- 2004-09-21 CN CN200480044032.6A patent/CN101027769B/zh not_active Expired - Lifetime
- 2004-09-21 KR KR1020127001258A patent/KR20120011095A/ko not_active Application Discontinuation
- 2004-09-21 AT AT04769581T patent/ATE469438T1/de not_active IP Right Cessation
- 2004-09-21 EP EP08166193A patent/EP2048706B1/en not_active Expired - Lifetime
- 2004-09-21 JP JP2007532977A patent/JP5101287B2/ja not_active Expired - Lifetime
- 2004-09-21 EP EP04769581A patent/EP1792337B1/en not_active Expired - Lifetime
-
2005
- 2005-05-25 US US11/138,926 patent/US7615464B2/en active Active
-
2009
- 2009-09-24 US US12/566,036 patent/US7972939B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1792337B1 (en) | 2010-05-26 |
US20100015780A1 (en) | 2010-01-21 |
DE602004027422D1 (de) | 2010-07-08 |
CN101027769B (zh) | 2017-06-23 |
US7615464B2 (en) | 2009-11-10 |
EP2048706A1 (en) | 2009-04-15 |
WO2006032946A1 (en) | 2006-03-30 |
US20060270187A1 (en) | 2006-11-30 |
ATE469438T1 (de) | 2010-06-15 |
EP1792337A1 (en) | 2007-06-06 |
JP2008514023A (ja) | 2008-05-01 |
KR20120011095A (ko) | 2012-02-06 |
CN101027769A (zh) | 2007-08-29 |
US7972939B2 (en) | 2011-07-05 |
EP2048706B1 (en) | 2012-12-12 |
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