JP6686962B2 - 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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- JP6686962B2 JP6686962B2 JP2017086381A JP2017086381A JP6686962B2 JP 6686962 B2 JP6686962 B2 JP 6686962B2 JP 2017086381 A JP2017086381 A JP 2017086381A JP 2017086381 A JP2017086381 A JP 2017086381A JP 6686962 B2 JP6686962 B2 JP 6686962B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 22
- 238000005468 ion implantation Methods 0.000 claims description 75
- 150000002500 ions Chemical class 0.000 claims description 71
- 239000010408 film Substances 0.000 claims description 53
- 239000013078 crystal Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 20
- 238000002513 implantation Methods 0.000 claims description 19
- -1 hydrogen ions Chemical class 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001307 helium Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 description 175
- 238000010884 ion-beam technique Methods 0.000 description 34
- 239000010410 layer Substances 0.000 description 29
- 230000005465 channeling Effects 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 230000006866 deterioration Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000032798 delamination Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- H—ELECTRICITY
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- 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
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L21/185—Joining of semiconductor bodies for junction formation
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- 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
- H01L21/185—Joining of semiconductor bodies for junction formation
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
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- H01—ELECTRIC ELEMENTS
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
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- 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
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- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
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- H01J2237/201—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated for mounting multiple objects
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- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/304—Controlling tubes
- H01J2237/30472—Controlling the beam
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- H—ELECTRICITY
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- H01J2237/317—Processing objects on a microscale
- H01J2237/31701—Ion implantation
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- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Physical Vapour Deposition (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Element Separation (AREA)
Description
図5、6のビーム形状を有する水素イオンビーム(傾斜角:β方向に7度)を用い、そのイオンビームのピーク位置のウェーハ中心からのズレを、質量分析器内の磁場を形成するマグネットにかける電流を調整することによって、ウェーハ毎に調整して変化させ、所定量をイオン注入したウェーハ(シリコン単結晶ウェーハ、結晶方位<100>、オフアングルなし、表面酸化膜なし)をボンドウェーハとして準備した。
イオン注入を行うボンドウェーハとして、表面酸化膜付きのシリコン単結晶ウェーハ(結晶方位<100>、オフアングルなし、酸化膜200nm)を用い、実験例1と同様に、イオンビームのピーク位置のウェーハ中心からのズレを、ウェーハ毎に調整して変化させて所定量をイオン注入したウェーハをボンドウェーハとして準備した。
(ボンドウェーハ)
Si単結晶ウェーハ、直径300mm、<100>、オフアングルなし、酸化膜なし
(ベースウェーハ)
Si単結晶ウェーハ、直径300mm、<100>、熱酸化膜500nm付
(イオン注入条件)
注入イオン:H+イオン、50keV、 5×1016/cm2
ビーム形状:実験例と同一
ビーム傾斜角:β方向に7度
ビーム中心のウェーハ中心からのズレ量:[実施例1:−3mm(ウェーハ中心から回転体の中心方向に約3mm)]、[比較例1:0mm]
(剥離熱処理)500℃、30分、Ar雰囲気
(SOI膜厚測定)測定装置:ADE社製Acumap
(測定結果)SOI膜厚レンジ:[実施例1:1.6nm]、[比較例1:2.2nm]
(ボンドウェーハ)
Si単結晶ウェーハ、直径300mm、<100>、オフアングルなし、熱酸化膜50nm付
(ベースウェーハ)
Si単結晶ウェーハ、直径300mm、<100>、酸化膜なし
(イオン注入条件)
イオン注入装置:実施例1と同一。
注入イオン:H+イオン、50keV、 5×1016/cm2
ビーム形状:実験例と同一
ビーム傾斜角:β方向に7度
ビーム中心のウェーハ中心からのズレ量:[実施例2:−3mm(ウェーハ中心から回転体の中心方向に約3mm)]、[比較例2:0mm]
(SOI膜厚測定)測定装置:ADE社製Acumap
(測定結果)SOI膜厚レンジ:[実施例2:1.7nm]、[比較例2:2.4nm]
Claims (2)
- 回転体と該回転体に設けられ基板を配置する複数のウェーハ保持具とを備え、該ウェーハ保持具に配置され公転している複数の基板にイオン注入するバッチ式イオン注入機を使用し、ボンドウェーハの表面からイオン注入してイオン注入層を形成するイオン注入工程と、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あるいは絶縁膜を介して貼り合わせる貼り合わせ工程と、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する剥離工程を有する貼り合わせウェーハの製造方法において、
前記ボンドウェーハへのイオン注入工程を、前記ボンドウェーハの表面に絶縁膜を形成せずに、又は、前記ボンドウェーハの表面に形成した厚さ50nm以下の絶縁膜を通し、かつ、前記ボンドウェーハの結晶軸に対して注入角度を傾けて軽元素イオンのビームを照射するものとし、
前記軽元素イオンのビーム中心が、前記ボンドウェーハの中心から前記ボンドウェーハの表面における前記回転体の中心方向と平行な方向に所定量ずれた位置を照射するように、前記ボンドウェーハの全面に前記軽元素イオンのビームを照射してイオン注入を行うことを特徴とする貼り合わせウェーハの製造方法。 - 前記軽元素イオンを、水素イオン又はヘリウムイオンとす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。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017086381A JP6686962B2 (ja) | 2017-04-25 | 2017-04-25 | 貼り合わせウェーハの製造方法 |
US16/603,622 US10886163B2 (en) | 2017-04-25 | 2018-02-27 | Method for manufacturing bonded wafer |
SG11201909467P SG11201909467PA (en) | 2017-04-25 | 2018-02-27 | Method for manufacturing bonded wafer |
CN201880027263.8A CN110574141B (zh) | 2017-04-25 | 2018-02-27 | 贴合晶圆的制造方法 |
EP18791043.5A EP3618098B1 (en) | 2017-04-25 | 2018-02-27 | Method for manufacturing laminated wafer |
PCT/JP2018/007254 WO2018198521A1 (ja) | 2017-04-25 | 2018-02-27 | 貼り合わせウェーハの製造方法 |
KR1020197031391A KR102420831B1 (ko) | 2017-04-25 | 2018-02-27 | 첩합웨이퍼의 제조방법 |
TW107107192A TWI735752B (zh) | 2017-04-25 | 2018-03-05 | 貼合式晶圓的製造方法 |
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JP2017086381A JP6686962B2 (ja) | 2017-04-25 | 2017-04-25 | 貼り合わせウェーハの製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2018186164A JP2018186164A (ja) | 2018-11-22 |
JP6686962B2 true JP6686962B2 (ja) | 2020-04-22 |
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Country | Link |
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US (1) | US10886163B2 (ja) |
EP (1) | EP3618098B1 (ja) |
JP (1) | JP6686962B2 (ja) |
KR (1) | KR102420831B1 (ja) |
CN (1) | CN110574141B (ja) |
SG (1) | SG11201909467PA (ja) |
TW (1) | TWI735752B (ja) |
WO (1) | WO2018198521A1 (ja) |
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US20230287561A1 (en) * | 2022-03-14 | 2023-09-14 | Applied Materials, Inc. | Variable Rotation Rate Batch Implanter |
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JPH02123656A (ja) | 1988-10-31 | 1990-05-11 | Shimadzu Corp | イオン注入装置 |
FR2681472B1 (fr) * | 1991-09-18 | 1993-10-29 | Commissariat Energie Atomique | Procede de fabrication de films minces de materiau semiconducteur. |
KR100234533B1 (ko) * | 1996-10-08 | 1999-12-15 | 윤종용 | 반도체소자 제조용 이온주입 시스템 |
JPWO2003049189A1 (ja) * | 2001-12-04 | 2005-04-21 | 信越半導体株式会社 | 貼り合わせウェーハおよび貼り合わせウェーハの製造方法 |
CN102034665B (zh) * | 2002-06-26 | 2014-06-25 | 山米奎普公司 | 一种离子植入装置和一种通过植入氢化硼簇离子制造半导体的方法 |
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JP2009289948A (ja) * | 2008-05-29 | 2009-12-10 | Sumco Corp | 貼り合わせウェーハの製造方法 |
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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 |
FR2988516B1 (fr) * | 2012-03-23 | 2014-03-07 | Soitec Silicon On Insulator | Procede d'implantation de fragilisation de substrats ameliore |
JP5664592B2 (ja) * | 2012-04-26 | 2015-02-04 | 信越半導体株式会社 | 貼り合わせウェーハの製造方法 |
JP5910352B2 (ja) * | 2012-06-28 | 2016-04-27 | 信越半導体株式会社 | 貼り合わせウェーハの製造方法 |
JP5888286B2 (ja) * | 2013-06-26 | 2016-03-16 | 信越半導体株式会社 | 貼り合わせウェーハの製造方法 |
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- 2018-02-27 SG SG11201909467P patent/SG11201909467PA/en unknown
- 2018-02-27 CN CN201880027263.8A patent/CN110574141B/zh active Active
- 2018-02-27 EP EP18791043.5A patent/EP3618098B1/en active Active
- 2018-02-27 US US16/603,622 patent/US10886163B2/en active Active
- 2018-02-27 WO PCT/JP2018/007254 patent/WO2018198521A1/ja unknown
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TWI735752B (zh) | 2021-08-11 |
US10886163B2 (en) | 2021-01-05 |
KR102420831B1 (ko) | 2022-07-14 |
US20200203217A1 (en) | 2020-06-25 |
EP3618098A4 (en) | 2021-02-17 |
WO2018198521A1 (ja) | 2018-11-01 |
CN110574141A (zh) | 2019-12-13 |
KR20190142341A (ko) | 2019-12-26 |
SG11201909467PA (en) | 2019-11-28 |
EP3618098A1 (en) | 2020-03-04 |
CN110574141B (zh) | 2022-11-01 |
EP3618098B1 (en) | 2022-04-27 |
JP2018186164A (ja) | 2018-11-22 |
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