KR100558325B1 - 스테레오비전과 모아레를 이용한 3차원 검사 방법 및 장치 - Google Patents
스테레오비전과 모아레를 이용한 3차원 검사 방법 및 장치 Download PDFInfo
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- KR100558325B1 KR100558325B1 KR1020030067590A KR20030067590A KR100558325B1 KR 100558325 B1 KR100558325 B1 KR 100558325B1 KR 1020030067590 A KR1020030067590 A KR 1020030067590A KR 20030067590 A KR20030067590 A KR 20030067590A KR 100558325 B1 KR100558325 B1 KR 100558325B1
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- South Korea
- Prior art keywords
- measurement
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2896—Testing of IC packages; Test features related to IC packages
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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
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Engineering & Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (5)
- 측정물에 모아레 무늬를 주사하여 이동시키면서 여러개의 모아레 무늬를 얻은 후, 이들 정보로부터 패캐지의 각 리드 높이를 구하는 제1 단계와;스테레오 비젼으로부터 패캐지의 각 리드 높이를 구하는 제2 단계와;두 측정결과에 대해 각각 이웃하는 측정값 사이의 차이를 구하는 제3 단계와;상기 제4 단계에 의해 구한 차수를 이용하여 최종적인 측정값을 구하는 제5 단계;와로 이루어진 것을 특징으로 한 스테레오비전과 모아레를 이용한 3차원 검사방법.
- 광원(21)으로부터 발생한 광을 집광렌즈(22)로 집광하여 투영격자(23)와 투영렌즈(24)를 통해 측정대상물(1)에 투영시키는 광투영부(2)와;상기 측정대상물(1)로부터 결상렌즈(31) 및 CCD 카메라(32)를 통해 변형된 격자 줄무늬 형태의 영상을 획득하는 제1 수광부(3)와;상기 측정대상물(1)로부터 결상렌즈(41) 및 스테레오 비젼용 카메라(42)를 통해 측정대상물(1)의 영상을 획득하는 제2 수광부(4)와;로 구성된 것을 특징으로 한 스테레오비전과 모아레를 이용한 3차원 검사 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030067590A KR100558325B1 (ko) | 2003-09-29 | 2003-09-29 | 스테레오비전과 모아레를 이용한 3차원 검사 방법 및 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030067590A KR100558325B1 (ko) | 2003-09-29 | 2003-09-29 | 스테레오비전과 모아레를 이용한 3차원 검사 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050031328A KR20050031328A (ko) | 2005-04-06 |
KR100558325B1 true KR100558325B1 (ko) | 2006-03-10 |
Family
ID=37236292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030067590A Expired - Lifetime KR100558325B1 (ko) | 2003-09-29 | 2003-09-29 | 스테레오비전과 모아레를 이용한 3차원 검사 방법 및 장치 |
Country Status (1)
Country | Link |
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KR (1) | KR100558325B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101137246B1 (ko) * | 2008-12-30 | 2012-04-20 | (주)제이티 | 비전검사장치 및 그 방법 |
KR20160118722A (ko) | 2015-04-03 | 2016-10-12 | 유종재 | 3d 비전검사 시스템 |
KR20170027893A (ko) | 2015-09-02 | 2017-03-13 | 주식회사 미르기술 | 트리플 주파수 패턴을 이용한 3차원 형상 측정 방법 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100752758B1 (ko) | 2005-10-19 | 2007-08-29 | (주) 인텍플러스 | 영상 측정 장치 및 그 방법 |
KR100708352B1 (ko) | 2006-03-07 | 2007-04-18 | 한국과학기술원 | 모아레 원리의 2π 모호성과 위상천이 수단이 없도록실시되는 3차원 형상 측정장치 및 그 방법 |
KR100870922B1 (ko) * | 2006-09-25 | 2008-11-28 | 주식회사 고영테크놀러지 | 다중 간섭계를 이용한 3차원형상 측정시스템 |
KR100966307B1 (ko) * | 2008-02-19 | 2010-06-28 | 넥스타테크놀로지 주식회사 | 모아레 무늬 촬영장치 |
KR101639227B1 (ko) | 2015-06-08 | 2016-07-13 | 주식회사 고영테크놀러지 | 3차원 형상 측정장치 |
KR20180044157A (ko) * | 2016-10-21 | 2018-05-02 | 주식회사 고영테크놀러지 | 복수의 상이한 패턴 광원의 설치가 가능한 패턴 광 조사 장치 및 검사 장치 |
-
2003
- 2003-09-29 KR KR1020030067590A patent/KR100558325B1/ko not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101137246B1 (ko) * | 2008-12-30 | 2012-04-20 | (주)제이티 | 비전검사장치 및 그 방법 |
KR20160118722A (ko) | 2015-04-03 | 2016-10-12 | 유종재 | 3d 비전검사 시스템 |
KR20170027893A (ko) | 2015-09-02 | 2017-03-13 | 주식회사 미르기술 | 트리플 주파수 패턴을 이용한 3차원 형상 측정 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20050031328A (ko) | 2005-04-06 |
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