KR102760195B1 - 기판 가공 방법 및 그를 이용한 반도체 소자의 제조 방법 - Google Patents
기판 가공 방법 및 그를 이용한 반도체 소자의 제조 방법 Download PDFInfo
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- KR102760195B1 KR102760195B1 KR1020170008219A KR20170008219A KR102760195B1 KR 102760195 B1 KR102760195 B1 KR 102760195B1 KR 1020170008219 A KR1020170008219 A KR 1020170008219A KR 20170008219 A KR20170008219 A KR 20170008219A KR 102760195 B1 KR102760195 B1 KR 102760195B1
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- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
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- G03F7/70—Microphotolithographic exposure; Apparatus therefor
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- G03F7/70605—Workpiece metrology
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- G03F7/7065—Defects, e.g. optical inspection of patterned layer for defects
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- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/706835—Metrology information management or control
- G03F7/706837—Data analysis, e.g. filtering, weighting, flyer removal, fingerprints or root cause analysis
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- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
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- H10P72/0402—Apparatus for fluid treatment
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- H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
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- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/23—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes
- H10P74/235—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes comprising optical enhancement of defects or not-directly-visible states
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- H10P74/23—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes
- H10P74/238—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes comprising acting in response to an ongoing measurement without interruption of processing, e.g. endpoint detection or in-situ thickness measurement
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- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/40—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising inorganic materials
- H10P76/408—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising inorganic materials characterised by their sizes, orientations, dispositions, behaviours or shapes
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- H10P76/40—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising inorganic materials
- H10P76/408—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising inorganic materials characterised by their sizes, orientations, dispositions, behaviours or shapes
- H10P76/4085—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising inorganic materials characterised by their sizes, orientations, dispositions, behaviours or shapes characterised by the processes involved to create the masks
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01N21/8422—Investigating thin films, e.g. matrix isolation method
- G01N2021/8427—Coatings
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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Abstract
Description
도 2 내지 도 9는 도 1의 기판 가공 방법을 순차적으로 보여주는 공정 단면도들이다.
도 10은 도 1의 하드 마스크 층의 계면 활성제의 농도에 따른 결함들의 발생 개수를 보여주는 그래프이다.
도 11은 도 3의 하드 마스크 층을 검사하기 위한 검사 장치의 일 예를 보여주는 도면이다.
도 12는 도 11의 광의 파수에 따른 제 2 산란 광의 검출 세기를 보여주는 그래프이다.
도 13은 도 3의 하드 마스크 층을 검사하는 단계의 일 예를 보여주는 플로우 챠트이다.
도 14 및 도 15는 도 3의 제 1 및 제 2 산란 광들 각각의 제 1 및 제 2 라만 피크들을 보여주는 그래프들이다.
도 16은 도 3의 결함들의 측정 맵을 보여주는 평면도이다.
도 17은 도 16의 결함들과 비교되는 타깃 패턴들을 보여주는 평면도이다.
Claims (10)
- 식각 영역과 상기 식각 영역에 의해 정의되는 비식각 영역을 갖는 기판 상에 마스크 층을 형성하는 단계;
상기 마스크 층 내의 결함들을 검출하기 위해 라만 스펙트럼 분석을 이용하여 상기 마스크 층을 검사하는 단계;
상기 마스크 층 내에 상기 결함들이 있을 경우, 상기 식각 영역 또는 상기 비식각 영역 상에 상기 결함들이 있는 것으로 판단하는 단계;
상기 비식각 영역 상에 상기 결함들이 있을 경우, 상기 식각 영역 및 상기 비식각 영역 상의 상기 마스크 층을 제거하는 단계; 및
상기 식각 영역 상에 상기 결함들이 있을 경우, 상기 식각 영역 상의 상기 마스크 층의 일부를 식각하여 상기 비식각 영역 상의 마스크 패턴을 형성하는 단계를 포함하는 기판 가공 방법. - 제 1 항에 있어서,
상기 결함들은 상기 마스크 층 내의 버블들을 포함하는 기판 가공 방법. - 제 1 항에 있어서,
상기 결함들을 검출하는 단계는 상기 마스크 층과 상기 기판 각각의 제 1 라만 피크와 제 2 라만 피크를 비교하는 단계를 포함하되,
상기 기판의 제 1 라만 피크는 상기 제 2 라만 피크보다 작은 기판 가공 방법. - 제 3 항에 있어서,
상기 제 1 라만 피크는 1600 cm-1의 파수에서 획득되고, 상기 제 2 라만 피크는 520 cm-1의 파수에서 획득되는 기판 가공 방법. - 제 1 항에 있어서,
상기 마스크 층을 검사하는 단계는 상기 결함들을 측정 맵 내에 표시하는 단계를 더 포함하는 기판 가공 방법. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 식각 영역 상의 상기 마스크 층의 일부를 식각하는 단계는:
상기 마스크 층 상에 포토레지스트를 형성하는 단계;
상기 식각 영역 상의 상기 포토레지스트의 일부를 노광하는 단계;
상기 노광된 포토레지스트를 현상하여 상기 비식각 영역 상에 포토레지스트 패턴을 형성하는 단계; 및
상기 포토레지스트 패턴을 이용하여 상기 식각 영역 상의 상기 마스크 층의 일부를 제거하는 단계를 포함하는 기판 가공 방법. - 제 1 항에 있어서,
상기 마스크 층은 파이렌, 나프탈렌, 하이드록시스티렌과, 계면 활성제를 포함하되,
상기 계면 활성제는 0.03%의 농도를 갖는 기판 가공 방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170008219A KR102760195B1 (ko) | 2017-01-17 | 2017-01-17 | 기판 가공 방법 및 그를 이용한 반도체 소자의 제조 방법 |
| US15/848,896 US10431506B2 (en) | 2017-01-17 | 2017-12-20 | Method of processing substrate and method of fabricating semiconductor device using the same |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020170008219A KR102760195B1 (ko) | 2017-01-17 | 2017-01-17 | 기판 가공 방법 및 그를 이용한 반도체 소자의 제조 방법 |
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| KR20180085119A KR20180085119A (ko) | 2018-07-26 |
| KR102760195B1 true KR102760195B1 (ko) | 2025-02-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101998743B1 (ko) * | 2017-06-14 | 2019-07-10 | 엘지전자 주식회사 | 화합물 반도체 태양 전지 및 이의 제조 방법 |
| US11764111B2 (en) * | 2019-10-24 | 2023-09-19 | Texas Instruments Incorporated | Reducing cross-wafer variability for minimum width resistors |
Citations (2)
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| US20100025852A1 (en) | 2006-12-22 | 2010-02-04 | Makoto Ueki | Semiconductor device and method for manufacturing the same |
| US20150348794A1 (en) * | 2014-05-30 | 2015-12-03 | Samsung Electronics Co., Ltd. | Hardmask composition and method of forming pattern by using the hardmask composition |
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| IL161729A0 (en) | 2001-11-06 | 2005-11-20 | C I Systems Ltd | In-line spectroscopy for process monitoring |
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| US20180204777A1 (en) | 2018-07-19 |
| KR20180085119A (ko) | 2018-07-26 |
| US10431506B2 (en) | 2019-10-01 |
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