KR102410366B1 - 접합 웨이퍼의 제조 방법 - Google Patents
접합 웨이퍼의 제조 방법 Download PDFInfo
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- KR102410366B1 KR102410366B1 KR1020207020727A KR20207020727A KR102410366B1 KR 102410366 B1 KR102410366 B1 KR 102410366B1 KR 1020207020727 A KR1020207020727 A KR 1020207020727A KR 20207020727 A KR20207020727 A KR 20207020727A KR 102410366 B1 KR102410366 B1 KR 102410366B1
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- 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
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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
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- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
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- B24B37/00—Lapping machines or devices; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
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- B24B37/00—Lapping machines or devices; Accessories
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- H01L21/02518—Deposited layers
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
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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
- H01L21/30—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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
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- 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
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
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- 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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- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/113—Isolations within a component, i.e. internal isolations
- H10D62/115—Dielectric isolations, e.g. air gaps
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Abstract
Description
도 2는 본 발명의 일 실시 형태에 따른 접합 웨이퍼의 제조 방법을 나타내는 공정 단면도이다.
도 3은 연마포의 가라앉음량과 다결정 실리콘층의 두께의 불균일 Δt의 관계를 나타내는 도면이다.
도 4는 연마포의 표면 경도(ASKER C)와 DIC의 관계를 나타내는 도면이다.
도 5는 실시예의 두께 불균일 Δt의 측정 결과를 나타내는 도면이다.
도 6은 실시예의 DIC 개수를 나타내는 도면이다.
도 7은 실시예의 GBIR의 측정 결과를 나타내는 도면이다.
도 8은 실시예의 SFQR의 측정 결과를 나타내는 도면이다.
2 : 지지 기판용 웨이퍼
3 : 다결정 실리콘층
4 : 절연막
5 : 이온 주입층
6 : 접합 웨이퍼
Claims (4)
- 지지 기판용 웨이퍼와, 활성층용 웨이퍼를, 절연막을 통하여 접합하여, 접합 웨이퍼를 제조하는 방법으로서,
상기 지지 기판용 웨이퍼의 접합면측에, 다결정 실리콘층을 퇴적하는, 다결정 실리콘 퇴적 공정과,
연마포를 이용하여 상기 다결정 실리콘층의 표면을 연마하는, 다결정 실리콘층 연마 공정과,
상기 지지 기판용 웨이퍼 및 상기 활성층용 웨이퍼의 적어도 어느 하나의 접합면에, 상기 절연막을 형성하는, 절연막 형성 공정과,
상기 절연막을 통하여, 상기 지지 기판용 웨이퍼의 상기 다결정 실리콘층의 연마면과, 상기 활성층용 웨이퍼를, 접합하는, 접합 공정을 포함하고,
상기 연마포의 가라앉음량을,
가라앉음량(㎛)=연마포의 두께(㎛)×압축률(%(N/㎠))×하중(N/㎠)으로 정의할 때,
상기 연마포의 가라앉음량은, 50∼90㎛이고, 또한, 상기 연마포의 표면 경도(ASKER C)는, 50∼59.5인 것을 특징으로 하는, 접합 웨이퍼의 제조 방법. - 제1항에 있어서,
상기 연마포는, 기재(基材)와 냅층(nap layer)으로 이루어지는 스웨이드 패드인, 접합 웨이퍼의 제조 방법. - 제2항에 있어서,
상기 기재의 두께는, 0.15∼0.20㎜인, 접합 웨이퍼의 제조 방법. - 삭제
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2018005914A JP6919579B2 (ja) | 2018-01-17 | 2018-01-17 | 貼り合わせウェーハの製造方法、貼り合わせウェーハ |
JPJP-P-2018-005914 | 2018-01-17 | ||
PCT/JP2019/000240 WO2019142700A1 (ja) | 2018-01-17 | 2019-01-08 | 貼り合わせウェーハの製造方法、貼り合わせウェーハ |
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KR20200096645A KR20200096645A (ko) | 2020-08-12 |
KR102410366B1 true KR102410366B1 (ko) | 2022-06-16 |
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US (1) | US11211285B2 (ko) |
EP (1) | EP3742473A4 (ko) |
JP (1) | JP6919579B2 (ko) |
KR (1) | KR102410366B1 (ko) |
CN (1) | CN111788656B (ko) |
WO (1) | WO2019142700A1 (ko) |
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JP6809626B1 (ja) | 2020-04-08 | 2021-01-06 | 信越半導体株式会社 | シリコンウェーハのdic欠陥の形状測定方法及び研磨方法 |
FI129826B (en) * | 2020-10-08 | 2022-09-15 | Okmetic Oy | Manufacturing method of high-resistive silicon wafer intended for hybrid substrate structure |
Citations (4)
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JP2006190703A (ja) * | 2004-12-28 | 2006-07-20 | Shin Etsu Handotai Co Ltd | エピタキシャルウェーハの製造方法及びエピタキシャルウェーハ |
JP2008207319A (ja) * | 2007-01-30 | 2008-09-11 | Toray Ind Inc | 研磨パッド |
JP2016136591A (ja) * | 2015-01-23 | 2016-07-28 | 信越半導体株式会社 | 貼り合わせsoiウェーハの製造方法 |
JP2017064894A (ja) * | 2015-10-02 | 2017-04-06 | ミクロ技研株式会社 | 研磨ヘッド及び研磨処理装置 |
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DE19956250C1 (de) * | 1999-11-23 | 2001-05-17 | Wacker Siltronic Halbleitermat | Kostengünstiges Verfahren zur Herstellung einer Vielzahl von Halbleiterscheiben |
US8148441B2 (en) * | 2005-03-08 | 2012-04-03 | Toyo Tire & Rubber Co., Ltd. | Polishing pad and manufacturing method thereof |
JP4593643B2 (ja) * | 2008-03-12 | 2010-12-08 | 東洋ゴム工業株式会社 | 研磨パッド |
JP5795461B2 (ja) * | 2009-08-19 | 2015-10-14 | 株式会社Sumco | エピタキシャルシリコンウェーハの製造方法 |
FR2953640B1 (fr) * | 2009-12-04 | 2012-02-10 | S O I Tec Silicon On Insulator Tech | Procede de fabrication d'une structure de type semi-conducteur sur isolant, a pertes electriques diminuees et structure correspondante |
JP6232754B2 (ja) * | 2013-06-04 | 2017-11-22 | 株式会社Sumco | 貼合せsoiウェーハの製造方法 |
JP6491812B2 (ja) * | 2013-10-02 | 2019-03-27 | 株式会社Sumco | メンブレン、研磨ヘッド、ワークの研磨装置及び研磨方法、並びに、シリコンウェーハ |
JP6100200B2 (ja) * | 2014-04-24 | 2017-03-22 | 信越半導体株式会社 | 貼り合わせsoiウェーハの製造方法 |
CN107708926A (zh) * | 2015-07-17 | 2018-02-16 | 福吉米株式会社 | 研磨垫以及研磨方法 |
JP6443394B2 (ja) | 2016-06-06 | 2018-12-26 | 信越半導体株式会社 | 貼り合わせsoiウェーハの製造方法 |
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- 2019-01-08 KR KR1020207020727A patent/KR102410366B1/ko active Active
- 2019-01-08 CN CN201980008949.7A patent/CN111788656B/zh active Active
- 2019-01-08 US US16/962,311 patent/US11211285B2/en active Active
- 2019-01-08 WO PCT/JP2019/000240 patent/WO2019142700A1/ja not_active Ceased
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006190703A (ja) * | 2004-12-28 | 2006-07-20 | Shin Etsu Handotai Co Ltd | エピタキシャルウェーハの製造方法及びエピタキシャルウェーハ |
JP2008207319A (ja) * | 2007-01-30 | 2008-09-11 | Toray Ind Inc | 研磨パッド |
JP2016136591A (ja) * | 2015-01-23 | 2016-07-28 | 信越半導体株式会社 | 貼り合わせsoiウェーハの製造方法 |
JP2017064894A (ja) * | 2015-10-02 | 2017-04-06 | ミクロ技研株式会社 | 研磨ヘッド及び研磨処理装置 |
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CN111788656B (zh) | 2024-01-30 |
EP3742473A4 (en) | 2021-09-29 |
KR20200096645A (ko) | 2020-08-12 |
JP6919579B2 (ja) | 2021-08-18 |
EP3742473A1 (en) | 2020-11-25 |
US20200343130A1 (en) | 2020-10-29 |
WO2019142700A1 (ja) | 2019-07-25 |
JP2019125722A (ja) | 2019-07-25 |
US11211285B2 (en) | 2021-12-28 |
CN111788656A (zh) | 2020-10-16 |
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