KR102563921B1 - 반도체 소자 - Google Patents
반도체 소자 Download PDFInfo
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- KR102563921B1 KR102563921B1 KR1020160012906A KR20160012906A KR102563921B1 KR 102563921 B1 KR102563921 B1 KR 102563921B1 KR 1020160012906 A KR1020160012906 A KR 1020160012906A KR 20160012906 A KR20160012906 A KR 20160012906A KR 102563921 B1 KR102563921 B1 KR 102563921B1
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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
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
- G03F7/70633—Overlay, i.e. relative alignment between patterns printed by separate exposures in different layers, or in the same layer in multiple exposures or stitching
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
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Abstract
Description
도 2a는 본 발명의 일 실시예에 따른 반도체 소자의 3차원의 차폐 구조를 나타낸 사시도이다.
도 2b는 본 발명의 일 실시예에 따른 반도체 소자의 3차원의 차폐 구조를 나타낸 단면도로서, 도 2a의 Ⅱ-Ⅱ’ 선을 따라 자른 단면도이다.
도 2c는 본 발명의 일 실시예에 따른 반도체 소자의 3차원의 차폐 구조를 나타낸 단면도로서, 도 2a의 Ⅲ-Ⅲ’ 선을 따라 자른 단면도이다
도 3은 본 발명의 일 실시예에 따른 반도체 소자의 3차원의 차폐 구조를 나타낸 사시도이다.
도 4a 내지 도 4g는 본 발명의 일 실시예에 따른 반도체 소자를 제조하는 과정을 나타낸 반도체 소자의 단면도이다.
도 5a 내지 도 5c는 3차원의 차폐 구조의 형태에 따른 광학 계측 패턴의 계측 결과를 나타낸 2차원 맵(map)이다.
도 6는 본 발명의 기술적 사상에 의한 반도체 소자를 포함하는 시스템이다.
102: 스크라이브 레인 영역 110: 제 1 광학 계측 패턴
120: 제 2 광학 계측 패턴 200: 3차원의 차폐 구조
210: 3차원의 차폐 구조의 상단부 220: 3차원의 차폐 구조의 하단부
230: 비아 구조 240: 메쉬형의 2차원 차폐 구조
402, 404, 406, 408: 회로 패턴
302, 304, 306, 308, 310, 312, 314, 316: 층간 절연막
30: 시스템 31: 제어기
32: 입/출력 장치 33: 기억 장치
34: 인터페이스
Claims (10)
- 적어도 2개의 반도체 칩 영역 및 상기 반도체 칩 영역을 구획하는 스크라이브 레인(scribe lane) 영역이 존재하는 기판;
상기 기판 상에 형성된 제 1 광학 계측 패턴;
상기 제 1 광학 계측 패턴과 이격되고, 상기 제 1 광학 계측 패턴의 상부층에 위치하는 제 2 광학 계측 패턴; 및
상기 제 1 광학 계측 패턴을 수용하고, 도전성 물질로 이루어지는 3차원의 차폐 구조를 포함하고,
상기 3차원의 차폐 구조는, 상기 기판의 주면에 수직 방향으로 상기 제1 광학 계측 패턴 및 상기 제2 광학 계측 패턴 사이에 위치하는 판 형상의 상단부를 포함하는 것을 특징으로 하는 반도체 소자. - 제1 항에 있어서,
상기 3차원의 차폐 구조에서 상기 제 1 광학 계측 패턴의 상부층에 위치하는 3차원 차폐 구조의 상단부 및 상기 제 1 광학 계측 패턴의 하부층에 위치하는 3차원 차폐 구조의 하단부는 상기 제 1 광학 계측 패턴의 주위를 둘러싸는 비아(via) 구조를 통하여 전기적으로 연결되는 것을 특징으로 하는 반도체 소자. - 제1 항에 있어서,
상기 3차원의 차폐 구조는, 상기 제 1 광학 패턴의 하부층에 위치하고 메쉬(mesh)형의 도전성 물질의 배선으로 구성된 하단부를 포함하는 것을 특징으로 하는 반도체 소자. - 제3 항에 있어서,
상기 메쉬형의 도전성 물질 배선의 간격은 상기 제 2 광학 계측 패턴을 계측하기 위해 사용되는 전자기파의 파장보다 작은 것을 특징으로 하는 반도체 소자. - 제1 항에 있어서,
상기 제 1 광학 계측 패턴 및 제2 광학 계층 패턴은 적어도 2개의 층(layer)에 각각 형성된 서로 이격 되는 패턴으로 이루어지는 것을 특징으로 하는 반도체 소자. - 제1 항에 있어서,
상기 3차원의 차폐 구조는 상기 기판의 스크라이브 레인(scribe lane) 영역에 형성되는 것을 특징으로 하는 반도체 소자. - 반도체 칩 상에 형성되고, 상하로 이격되는 한 쌍의 제 1 광학 계측 패턴;
상기 한 쌍의 제 1 광학 계측 패턴과 이격 되고, 상기 한 쌍의 제 1 광학 계측 패턴의 상부층에 위치하며, 상하로 이격되는 한 쌍의 제 2 광학 계측 패턴; 및
상기 한 쌍의 제 1 광학 계측 패턴을 둘러싸고, 적어도 하나의 면이 메쉬형의 도전성 물질 배선으로 구성된 3차원의 차폐 구조를 포함하고,
상기 메쉬형의 도전성 물질 배선은 상기 한 쌍의 제1 광학 계측 패턴 및 상기 한 쌍의 제2 광학 계측 패턴 사이에 배치되는 것을 특징으로 하는 반도체 소자. - 제7 항에 있어서,
상기 제 1 광학 계측 패턴 및 상기 제 2 광학 계측 패턴은 라인 앤 스페이스(line and space) 패턴인 것을 특징으로 하는 반도체 소자. - 제7 항에 있어서,
상기 메쉬형의 도전성 물질 배선의 간격이 상기 제1 광학 계측 패턴에 조사되는 전자기파의 파장보다 작은 것을 특징으로 하는 반도체 소자. - 제9 항에 있어서,
상기 전자기파는 가시광선인 것을 특징으로 하는 반도체 소자.
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KR1020160012906A KR102563921B1 (ko) | 2016-02-02 | 2016-02-02 | 반도체 소자 |
US15/290,921 US9929104B2 (en) | 2016-02-02 | 2016-10-11 | Semiconductor device including an optical measurement pattern |
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KR1020160012906A KR102563921B1 (ko) | 2016-02-02 | 2016-02-02 | 반도체 소자 |
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CN109314115B (zh) | 2018-06-29 | 2020-04-28 | 长江存储科技有限责任公司 | 具有屏蔽层的三维存储器件及其形成方法 |
US11294293B2 (en) | 2018-09-19 | 2022-04-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Overlay marks for reducing effect of bottom layer asymmetry |
TWI786554B (zh) * | 2020-02-27 | 2022-12-11 | 台灣積體電路製造股份有限公司 | 疊對誤差量測方法及疊對誤差量測結構 |
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US20060033204A1 (en) | 2000-03-31 | 2006-02-16 | David Fraser | Method of creating shielded structures to protect semiconductor devices |
US20090206411A1 (en) | 2008-02-14 | 2009-08-20 | Renesas Technology Corp. | Semiconductor device and a method of manufacturing the same |
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US5567643A (en) * | 1994-05-31 | 1996-10-22 | Taiwan Semiconductor Manufacturing Company | Method of forming contamination guard ring for semiconductor integrated circuit applications |
JP3572555B2 (ja) | 1996-02-23 | 2004-10-06 | 富士通株式会社 | アライメント・マークの形成方法 |
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