JP5521561B2 - 貼り合わせウェーハの製造方法 - Google Patents
貼り合わせウェーハの製造方法 Download PDFInfo
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- JP5521561B2 JP5521561B2 JP2010004271A JP2010004271A JP5521561B2 JP 5521561 B2 JP5521561 B2 JP 5521561B2 JP 2010004271 A JP2010004271 A JP 2010004271A JP 2010004271 A JP2010004271 A JP 2010004271A JP 5521561 B2 JP5521561 B2 JP 5521561B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 239000010408 film Substances 0.000 claims description 82
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 60
- 229910052710 silicon Inorganic materials 0.000 claims description 60
- 239000010703 silicon Substances 0.000 claims description 60
- 238000010438 heat treatment Methods 0.000 claims description 46
- 239000010409 thin film Substances 0.000 claims description 35
- 238000005468 ion implantation Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 21
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 11
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 9
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims 1
- 238000009501 film coating Methods 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 description 153
- 238000005530 etching Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000032798 delamination Effects 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 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
- H01L21/70—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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3247—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering for altering the shape, e.g. smoothing the surface
-
- 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
-
- 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
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
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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)
- Plasma & Fusion (AREA)
- Recrystallisation Techniques (AREA)
- Element Separation (AREA)
Description
また、ボンドウェーハ1にイオン注入層2を形成する際、注入エネルギー、注入線量、注入温度等その他のイオン注入条件を、所定の厚さの薄膜を得ることができるように適宜選択することができる。
また、図1(a)では、ボンドウェーハ1とベースウェーハ3を酸化膜4を介して貼り合せているが、本発明の貼り合わせウェーハの製造方法においては、酸化膜4を介さずに直接貼り合わせても良い。酸化膜4を介して貼り合わせる場合には、予めボンドウェーハ1又はベースウェーハ3の片方に酸化膜4が形成されていても良いし、両ウェーハに形成されていても良い。
また、ボンドウェーハ1とベースウェーハ3とを貼り合わせる前に、どちらか一方又は両方のウェーハの貼り合わせ面にプラズマ処理を施して、結合強度を高めることによって、剥離熱処理を省略し、機械的に剥離させることもできる。
このようにダミーウェーハを用いれば、貼り合わせウェーハが載置される領域はシリコン膜がないサセプタを作製することができる。このサセプタに貼り合わせウェーハ6を載置し、薄膜5の表面を平坦化する熱処理を施すことで(図1(c’−3))、薄膜5の膜厚均一性が良く、更に、貼り合わせウェーハ6の裏面に突起物の発生がない貼り合わせウェーハ6を製造することができる。
直径300mmのシリコン単結晶ウェーハを2枚準備し、水素イオン注入剥離法により、SOI層の厚さが250nm、酸化膜層が300nmのSOIウェーハを作製した。その後、平坦化熱処理を施すが、この平坦化熱処理の前に、下記表1に示すように、実施例1では平坦化熱処理時に用いるSOIウェーハを載置するためのサセプタの全表面に、シリコン膜をコーティングしておき、実施例2では、SOIウェーハの裏面とサセプタが接触する領域を除く表面にシリコン膜をコーティングしておいた。比較例では、サセプタにシリコン膜のコーティングは行わなかった。
温度:1080℃
ガス流量:ジクロロシラン 450sccm、H2 53slm
時間:3分
温度:1050℃
ガス流量:HCl 400sccm、H2 55slm
時間:7分
この際、SOI膜厚分布はADE社製AcuMapを用い、裏面の観察はWYKO社製非接触表面形状測定器を用いて測定した。尚、図4(a)、図5(a)、図6の断面図において、膜厚方向の目盛は、図4(a)、図5(a)についてはほぼ同一の尺度が用いられているのに対し、図6はこれらの約4倍の尺度が用いられている。
Claims (4)
- ボンドウェーハの表面から水素イオン、希ガスイオンの少なくとも一種類のガスイオンをイオン注入してイオン注入層を形成し、前記ボンドウェーハのイオン注入した表面とベースウェーハの表面とを直接又は酸化膜を介して貼り合わせた後、前記イオン注入層でボンドウェーハを剥離させることにより、前記ベースウェーハ上に薄膜を有する貼り合わせウェーハを作製し、その後、該貼り合わせウェーハに、水素又は塩化水素を含む雰囲気中で前記薄膜の表面を平坦化する熱処理を施す貼り合わせウェーハの製造方法において、
前記平坦化熱処理時に用いる前記貼り合わせウェーハを載置するためのサセプタの表面を、予めシリコン膜でコーティングしておく貼り合わせウェーハの製造方法であり、
前記サセプタにコーティングするシリコン膜を、前記貼り合わせウェーハの裏面が前記サセプタと接触する領域を除く表面にコーティングすることを特徴とする貼り合わせウェーハの製造方法。 - 前記ボンドウェーハ及びベースウェーハとして、シリコン単結晶ウェーハを用いることを特徴とする請求項1に記載の貼り合わせウェーハの製造方法。
- 前記貼り合わせウェーハの裏面と前記サセプタとが接触する領域を除くサセプタの表面のシリコン膜のコーティングを、前記サセプタにダミーウェーハを載置し、該サセプタの表面を前記シリコン膜でコーティングした後に前記ダミーウェーハを一度取り出すことで行うことを特徴とする請求項1に記載の貼り合わせウェーハの製造方法。
- 前記平坦化熱処理を行った貼り合わせウェーハの薄膜上に、エピタキシャル層を成長させることを特徴とする請求項1乃至請求項3のいずれか一項に記載の貼り合わせウェーハの製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010004271A JP5521561B2 (ja) | 2010-01-12 | 2010-01-12 | 貼り合わせウェーハの製造方法 |
KR1020127017904A KR101722401B1 (ko) | 2010-01-12 | 2010-11-18 | 접합 웨이퍼의 제조 방법 |
CN201080056111.4A CN102652347B (zh) | 2010-01-12 | 2010-11-18 | 贴合晶片的制造方法 |
US13/514,414 US8691665B2 (en) | 2010-01-12 | 2010-11-18 | Method for producing bonded wafer |
EP10842988.7A EP2525390B1 (en) | 2010-01-12 | 2010-11-18 | Method for producing bonded wafer |
PCT/JP2010/006754 WO2011086628A1 (ja) | 2010-01-12 | 2010-11-18 | 貼り合わせウェーハの製造方法 |
TW099141806A TWI493608B (zh) | 2010-01-12 | 2010-12-01 | Method of manufacturing wafers |
Applications Claiming Priority (1)
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JP2010004271A JP5521561B2 (ja) | 2010-01-12 | 2010-01-12 | 貼り合わせウェーハの製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011146438A JP2011146438A (ja) | 2011-07-28 |
JP5521561B2 true JP5521561B2 (ja) | 2014-06-18 |
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JP2010004271A Active JP5521561B2 (ja) | 2010-01-12 | 2010-01-12 | 貼り合わせウェーハの製造方法 |
Country Status (7)
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US (1) | US8691665B2 (ja) |
EP (1) | EP2525390B1 (ja) |
JP (1) | JP5521561B2 (ja) |
KR (1) | KR101722401B1 (ja) |
CN (1) | CN102652347B (ja) |
TW (1) | TWI493608B (ja) |
WO (1) | WO2011086628A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5799740B2 (ja) * | 2011-10-17 | 2015-10-28 | 信越半導体株式会社 | 剥離ウェーハの再生加工方法 |
JP5927894B2 (ja) * | 2011-12-15 | 2016-06-01 | 信越半導体株式会社 | Soiウェーハの製造方法 |
TWI533401B (zh) * | 2013-08-29 | 2016-05-11 | Bridgestone Corp | 晶座 |
CN104891430B (zh) * | 2015-04-17 | 2016-09-28 | 上海华虹宏力半导体制造有限公司 | 硅片键合方法 |
US9741685B2 (en) * | 2015-08-07 | 2017-08-22 | Lam Research Corporation | Methods for directly bonding silicon to silicon or silicon carbide to silicon carbide |
JP6473970B2 (ja) * | 2015-10-28 | 2019-02-27 | 信越半導体株式会社 | 貼り合わせsoiウェーハの製造方法 |
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 |
CN112243967B (zh) * | 2020-09-10 | 2022-04-05 | 浙江省海洋水产研究所 | 一种具有间隙抖动诱捕的鱿钓机结构 |
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- 2010-11-18 WO PCT/JP2010/006754 patent/WO2011086628A1/ja active Application Filing
- 2010-11-18 EP EP10842988.7A patent/EP2525390B1/en active Active
- 2010-11-18 CN CN201080056111.4A patent/CN102652347B/zh active Active
- 2010-11-18 US US13/514,414 patent/US8691665B2/en active Active
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Publication number | Publication date |
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EP2525390A1 (en) | 2012-11-21 |
CN102652347B (zh) | 2015-07-01 |
JP2011146438A (ja) | 2011-07-28 |
US20120244679A1 (en) | 2012-09-27 |
TW201131625A (en) | 2011-09-16 |
EP2525390B1 (en) | 2016-05-11 |
CN102652347A (zh) | 2012-08-29 |
EP2525390A4 (en) | 2013-07-03 |
KR20120112533A (ko) | 2012-10-11 |
KR101722401B1 (ko) | 2017-04-03 |
WO2011086628A1 (ja) | 2011-07-21 |
TWI493608B (zh) | 2015-07-21 |
US8691665B2 (en) | 2014-04-08 |
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