KR20190040328A - 실리콘 웨이퍼 연마 방법, 실리콘 웨이퍼 제조 방법 및 실리콘 웨이퍼 - Google Patents
실리콘 웨이퍼 연마 방법, 실리콘 웨이퍼 제조 방법 및 실리콘 웨이퍼 Download PDFInfo
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02005—Preparing bulk and homogeneous wafers
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- 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
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- H01L21/02005—Preparing bulk and homogeneous wafers
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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
- H01L21/30—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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Abstract
Description
도 2는 노치의 연마 영역을 설명하는 모식도이다.
| 슬러리의 종류 | 연마 패드의 종류 | 연마 시간(초) | 노치 끝면의 OSF의 수 |
| A | A | 7 | 15 |
| B | 2 | ||
| B | A | 8 | |
| B | 0 |
| 연마 경사 각도 (°) |
연마 시간 (초) |
웨이퍼 외주 끝부터 연마 영역 내측 끝까지의 거리(mm) | 노치부 이면의 흠집 수 | 웨이퍼 외주부의 산소 농도(atoms/cm3) | 노치부로부터의 슬립 발생 유무 |
| 35 | 7 | 1.65 | 10 | 9.8×1017 | 있음 |
| 10.1×1017 | 있음 | ||||
| 10 | 1.67 | 8 | 9.8×1017 | 있음 | |
| 10.1×1017 | 있음 | ||||
| 14 | 1.7 | 9 | 9.8×1017 | 있음 | |
| 10.1×1017 | 없음 | ||||
| 40 | 1.8 | 6 | 9.8×1017 | 있음 | |
| 10.1×1017 | 없음 | ||||
| 50 | 7 | 1.95 | 4 | 9.8×1017 | 없음 |
| 10.1×1017 | 없음 | ||||
| 10 | 2 | 1 | 9.8×1017 | 없음 | |
| 10.1×1017 | 없음 | ||||
| 14 | 2.1 | 0 | 9.8×1017 | 없음 | |
| 10.1×1017 | 없음 | ||||
| 40 | 2.8 | 0 | 9.8×1017 | 없음 | |
| 10.1×1017 | 없음 |
Claims (15)
- 노치를 갖는 실리콘 웨이퍼를 모따기 연마하는 방법에 있어서,
상기 실리콘 웨이퍼의 적어도 일측의 주면측에 있어서, 경면 모따기 연마 처리에 의해, 상기 노치를 오버폴리싱하는 것을 특징으로 하는 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 1에 있어서,
상기 오버폴리싱은, 상기 노치의 깊이를 D[mm]라고 하였을 때, 상기 실리콘 웨이퍼의 외주 끝부터 상기 노치의 연마 영역의 웨이퍼 지름 방향 내측 끝까지의 거리가 1.7×D[mm] 이상이 되도록 행하는, 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 2에 있어서,
상기 오버폴리싱은, 상기 거리가 1.95×D[mm] 이상이 되도록 행하는, 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 1 내지 3 중 어느 한 항에 있어서,
상기 오버폴리싱은, 상기 실리콘 웨이퍼의 외주 끝부터 상기 노치의 연마 영역의 웨이퍼 지름 방향 내측 끝까지의 거리가 3.0 mm 이하가 되도록 행하는, 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 1 내지 4 중 어느 한 항에 있어서,
상기 실리콘 웨이퍼의 외주부의 산소 농도가 10.1×1017 atoms/cm3(ASTM F121-1979) 이상인, 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 1 내지 5 중 어느 한 항에 있어서,
노치 끝면의 가공 데미지를 현재화시킴으로써 모두 제거하는, 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 6에 있어서,
상기 가공 데미지의 현재화는, 상기 실리콘 웨이퍼를 900℃ 이상 1150℃ 이하의 제1 온도에서 제1 열처리를 실시하고, 이어서 1100℃ 이상 1200℃ 이하의 제2 온도에서 제2 열처리를 실시한 후, 에칭 레이트가 1.3 μm/분 이하인 선택 에칭 처리를 실시함으로써 행하는, 실리콘 웨이퍼의 모따기 연마 방법. - 청구항 7에 있어서,
상기 선택 에칭 처리는 라이트 에칭법에 의해 행하는, 실리콘 웨이퍼의 모따기 연마 방법. - 소정의 방법에 의해 실리콘 잉곳을 육성하고, 육성한 실리콘 잉곳을 슬라이싱하여 실리콘 웨이퍼를 얻은 후, 얻어진 실리콘 웨이퍼에 대하여, 청구항 1 내지 8에 기재된 실리콘 웨이퍼의 모따기 연마 방법에 의해 경면 모따기 연마 처리를 실시하는 것을 특징으로 하는 실리콘 웨이퍼 제조 방법.
- 청구항 9에 있어서,
상기 소정의 방법은 초크랄스키법인, 실리콘 웨이퍼 제조 방법. - 노치를 갖는 실리콘 웨이퍼에 있어서,
상기 실리콘 웨이퍼의 적어도 일측의 주면측에 있어서, 상기 노치의 깊이를 D[mm]라고 하였을 때, 상기 실리콘 웨이퍼의 외주 끝부터 상기 노치의 연마 영역의 웨이퍼 지름 방향 내측 끝까지의 거리가 1.7×D[mm] 이상인 것을 특징으로 하는 실리콘 웨이퍼. - 청구항 11에 있어서,
상기 거리가 1.95×D[mm] 이상인, 실리콘 웨이퍼. - 청구항 11 또는 12에 있어서,
상기 거리가 3.0 mm 이하인, 실리콘 웨이퍼. - 청구항 11 내지 13 중 어느 한 항에 있어서,
외주부의 산소 농도가 10.1×1017 atoms/cm3(ASTM F121-1979) 이상인, 실리콘 웨이퍼. - 청구항 11 내지 14 중 어느 한 항에 있어서,
상기 노치에 있어서의 가공 데미지가 제로인, 실리콘 웨이퍼.
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| JP2016202039A JP6589807B2 (ja) | 2016-10-13 | 2016-10-13 | シリコンウェーハの研磨方法、シリコンウェーハの製造方法およびシリコンウェーハ |
| JPJP-P-2016-202039 | 2016-10-13 | ||
| PCT/JP2017/030148 WO2018070108A1 (ja) | 2016-10-13 | 2017-08-23 | シリコンウェーハの研磨方法、シリコンウェーハの製造方法およびシリコンウェーハ |
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| KR20190040328A true KR20190040328A (ko) | 2019-04-17 |
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| JP (1) | JP6589807B2 (ko) |
| KR (1) | KR102165589B1 (ko) |
| CN (1) | CN110140195B (ko) |
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| JP6717353B2 (ja) * | 2018-10-22 | 2020-07-01 | 株式会社Sumco | レーザマーク付きシリコンウェーハの製造方法 |
| JP6939752B2 (ja) * | 2018-11-19 | 2021-09-22 | 株式会社Sumco | シリコンウェーハのヘリカル面取り加工方法 |
| CN114267589B (zh) * | 2021-12-27 | 2025-09-02 | 西安奕斯伟材料科技股份有限公司 | 一种晶圆表面损伤深度测量方法及系统 |
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| JP2002018684A (ja) * | 2000-07-12 | 2002-01-22 | Nippei Toyama Corp | 半導体ウェーハのノッチ研削装置及び半導体ウェーハ |
| JP2005219506A (ja) | 2005-03-22 | 2005-08-18 | Rigaku Corp | 単結晶インゴットの位置決め用治具と同治具を用いた位置決め加工方法 |
| JP2009016602A (ja) * | 2007-07-05 | 2009-01-22 | Denso Corp | 炭化珪素半導体装置の製造方法 |
| JP2009259959A (ja) * | 2008-04-15 | 2009-11-05 | Sumco Corp | 薄厚シリコンウェーハおよびその製造方法 |
| JP2010228931A (ja) | 2009-03-25 | 2010-10-14 | Sumco Corp | シリコンウェーハおよびその製造方法 |
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| JP2001176824A (ja) * | 1999-12-17 | 2001-06-29 | Mitsubishi Materials Silicon Corp | 半導体ウェーハ、その面取り面の加工方法およびその装置 |
| JP2002346772A (ja) * | 2001-05-21 | 2002-12-04 | Sumitomo Mitsubishi Silicon Corp | レーザマーキングウェーハ |
| JP2003077872A (ja) * | 2001-09-06 | 2003-03-14 | Speedfam Co Ltd | 半導体ウェハ研磨装置及び研磨方法 |
| JP2003177100A (ja) * | 2001-12-12 | 2003-06-27 | Sumitomo Mitsubishi Silicon Corp | 鏡面面取りウェーハの品質評価方法 |
| JP2004281550A (ja) * | 2003-03-13 | 2004-10-07 | Dowa Mining Co Ltd | 半導体ウエハおよびその面取り加工方法 |
| JP5979081B2 (ja) * | 2013-05-28 | 2016-08-24 | 信越半導体株式会社 | 単結晶ウェーハの製造方法 |
| JP6176855B2 (ja) | 2014-05-29 | 2017-08-09 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002018684A (ja) * | 2000-07-12 | 2002-01-22 | Nippei Toyama Corp | 半導体ウェーハのノッチ研削装置及び半導体ウェーハ |
| JP2005219506A (ja) | 2005-03-22 | 2005-08-18 | Rigaku Corp | 単結晶インゴットの位置決め用治具と同治具を用いた位置決め加工方法 |
| JP2009016602A (ja) * | 2007-07-05 | 2009-01-22 | Denso Corp | 炭化珪素半導体装置の製造方法 |
| JP2009259959A (ja) * | 2008-04-15 | 2009-11-05 | Sumco Corp | 薄厚シリコンウェーハおよびその製造方法 |
| JP2010228931A (ja) | 2009-03-25 | 2010-10-14 | Sumco Corp | シリコンウェーハおよびその製造方法 |
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| CN110140195A (zh) | 2019-08-16 |
| WO2018070108A1 (ja) | 2018-04-19 |
| TW201820474A (zh) | 2018-06-01 |
| JP2018064046A (ja) | 2018-04-19 |
| CN110140195B (zh) | 2022-11-08 |
| JP6589807B2 (ja) | 2019-10-16 |
| DE112017005226B4 (de) | 2025-05-22 |
| DE112017005226T5 (de) | 2019-07-18 |
| TWI680512B (zh) | 2019-12-21 |
| KR102165589B1 (ko) | 2020-10-14 |
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