KR102221447B1 - 판재결함 검출방법 및 장치 - Google Patents
판재결함 검출방법 및 장치 Download PDFInfo
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- KR102221447B1 KR102221447B1 KR1020190117373A KR20190117373A KR102221447B1 KR 102221447 B1 KR102221447 B1 KR 102221447B1 KR 1020190117373 A KR1020190117373 A KR 1020190117373A KR 20190117373 A KR20190117373 A KR 20190117373A KR 102221447 B1 KR102221447 B1 KR 102221447B1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/9501—Semiconductor wafers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/30—Structural arrangements specially adapted for testing or measuring during manufacture or treatment, or specially adapted for reliability measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8858—Flaw counting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8861—Determining coordinates of flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
Description
도 3은 본 발명의 판재, 발광장치 및 촬영부의 배치 개념도.
도 4는 본 발명의 검사장치 배치도.
도 5는 본 발명의 판재결함 검출장치 사시도.
200 : 판재 210 : 판재표면
220 : 판재내부 300 : 보정판재
400 : 제어부 500 : 발광장치
600 : 촬영부 610 : 제1카메라
620 : 제2카메라 630 : 초점조절장치
630a : 상하이동 엑츄에이터 630b : 렌지작동 엑츄에이터
700 : 이송장치 800 : 엑츄에이터
Claims (7)
- 판재결함 검출방법에 있어서,
검사장비(10)를 보정하는 보정단계(S500);
판재(200)를 검사장비(10)에 장착하는 장착단계(S100);
상기 장착단계 후, 판재 표면(210) 및 내부(220)을 검사하는 검사단계(S200);
상기 검사단계 후, 결함의 위치, 크기 및 형태를 제어부(400)에서 판단하는 판단단계(S300);을 포함하고,
상기 검사단계(S200)는 상기 판재(200)에 존재하는 결함위치를 확인하는 제1검사단계(S210);를 포함하며,
상기 판단단계(S300)는 상기 제1검사단계 후, 복수의 결함위치를 좌표데이터로 확정하고, 결함수량을 판단하는 결함수량 판단단계(S313)를 포함하는 제1판단단계(S310);
상기 제1판단단계 후, 기준수치 이상의 상기 결함수량 발생시 상기 검사장비(10)를 정지시키는 검사정지단계(S314);를 포함하고,
상기 보정단계(S500)는 보정판재(300)의 피듀셜마크를 인식하여 좌표 및 길이를 보정하는 좌표 및 길이보정단계(S510); 및
상기 좌표 및 길이보정단계(S510) 후, 상기 검사장비(10)를 초기화하는 오프셋단계(S520);를 포함하는 판재결함 검출방법.
- 삭제
- 청구항 1에 있어서,
상기 검사단계는 결함의 크기 및 종류를 확인하는 제2검사단계(S220);를 포함하는 판재결함 검출방법.
- 삭제
- 청구항 3에 있어서,
상기 판단단계(S300)는 상기 제2검사단계 후, 결점의 크기 및 종류를 확정하는 제2판단단계(S320);를 포함하는 판재결함 검출방법. - 삭제
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020190117373A KR102221447B1 (ko) | 2019-09-24 | 2019-09-24 | 판재결함 검출방법 및 장치 |
PCT/KR2020/007576 WO2021060667A1 (ko) | 2019-09-24 | 2020-06-11 | 판재결함 검출방법 및 장치 |
CN202080078549.6A CN114729904A (zh) | 2019-09-24 | 2020-06-11 | 板材缺陷检测方法及装置 |
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KR1020190117373A KR102221447B1 (ko) | 2019-09-24 | 2019-09-24 | 판재결함 검출방법 및 장치 |
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KR102221447B1 true KR102221447B1 (ko) | 2021-03-02 |
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CN (1) | CN114729904A (ko) |
WO (1) | WO2021060667A1 (ko) |
Citations (9)
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KR20020031905A (ko) | 2000-10-24 | 2002-05-03 | 이 창 세 | 반도체 웨이퍼 결함 검출 방법 |
WO2004044596A2 (en) * | 2002-11-12 | 2004-05-27 | Fei Company | Defect analyzer |
KR20050059910A (ko) | 2003-12-15 | 2005-06-21 | 주식회사 하이닉스반도체 | 실리콘 웨이퍼의 결함을 검출하는 방법 |
JP2007165327A (ja) * | 2000-07-27 | 2007-06-28 | Ebara Corp | シートビーム式検査装置 |
KR100912342B1 (ko) | 2008-02-14 | 2009-08-14 | 주식회사 실트론 | 반응이온에칭을 이용한 웨이퍼의 결함 검출방법 및 이를위한 웨이퍼 구조 |
KR20100028015A (ko) * | 2007-05-30 | 2010-03-11 | 가부시키가이샤 니콘 | 검출 디바이스, 이동체 장치, 패턴 형성 장치 및 패턴 형성 방법, 노광 장치 및 노광 방법, 및 디바이스 제조 방법 |
JP2012202957A (ja) * | 2011-03-28 | 2012-10-22 | Dainippon Printing Co Ltd | 欠陥位置情報生成装置、欠陥確認システム及び欠陥位置情報生成方法 |
KR101364937B1 (ko) | 2013-01-08 | 2014-02-20 | 주식회사 엘지실트론 | 실리콘 단결정 웨이퍼의 결함 검출 방법 |
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CN103604815B (zh) * | 2013-11-26 | 2016-01-13 | 上海海事大学 | 玻璃晶片检测装置与标定方法 |
KR101987895B1 (ko) * | 2017-02-02 | 2019-06-12 | 주식회사 투윈테크 | 반도체 또는 디스플레이 시스템 분야에서 사용되는 이송 위치 측정용 테스트 더미 및 상기 이송 위치 측정용 테스트 더미를 이용한 정밀 이송 측정 방법 |
JP6490771B1 (ja) * | 2017-09-27 | 2019-03-27 | 株式会社アルバック | 位置検出装置、位置検出方法、および、蒸着装置 |
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2019
- 2019-09-24 KR KR1020190117373A patent/KR102221447B1/ko active Active
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2020
- 2020-06-11 WO PCT/KR2020/007576 patent/WO2021060667A1/ko active Application Filing
- 2020-06-11 CN CN202080078549.6A patent/CN114729904A/zh active Pending
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JP2007165327A (ja) * | 2000-07-27 | 2007-06-28 | Ebara Corp | シートビーム式検査装置 |
KR20020031905A (ko) | 2000-10-24 | 2002-05-03 | 이 창 세 | 반도체 웨이퍼 결함 검출 방법 |
WO2004044596A2 (en) * | 2002-11-12 | 2004-05-27 | Fei Company | Defect analyzer |
KR20050059910A (ko) | 2003-12-15 | 2005-06-21 | 주식회사 하이닉스반도체 | 실리콘 웨이퍼의 결함을 검출하는 방법 |
KR20100028015A (ko) * | 2007-05-30 | 2010-03-11 | 가부시키가이샤 니콘 | 검출 디바이스, 이동체 장치, 패턴 형성 장치 및 패턴 형성 방법, 노광 장치 및 노광 방법, 및 디바이스 제조 방법 |
KR100912342B1 (ko) | 2008-02-14 | 2009-08-14 | 주식회사 실트론 | 반응이온에칭을 이용한 웨이퍼의 결함 검출방법 및 이를위한 웨이퍼 구조 |
JP2012202957A (ja) * | 2011-03-28 | 2012-10-22 | Dainippon Printing Co Ltd | 欠陥位置情報生成装置、欠陥確認システム及び欠陥位置情報生成方法 |
KR101364937B1 (ko) | 2013-01-08 | 2014-02-20 | 주식회사 엘지실트론 | 실리콘 단결정 웨이퍼의 결함 검출 방법 |
KR20170032602A (ko) * | 2015-09-15 | 2017-03-23 | 삼성전자주식회사 | 결함 촬상 장치, 이를 구비하는 결함 검사 시스템 및 이를 이용한 결함 검사 방법 |
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WO2021060667A1 (ko) | 2021-04-01 |
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