KR860008597A - 페턴 검사방법 - Google Patents

페턴 검사방법 Download PDF

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Publication number
KR860008597A
KR860008597A KR1019860002753A KR860002753A KR860008597A KR 860008597 A KR860008597 A KR 860008597A KR 1019860002753 A KR1019860002753 A KR 1019860002753A KR 860002753 A KR860002753 A KR 860002753A KR 860008597 A KR860008597 A KR 860008597A
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KR
South Korea
Prior art keywords
image
inspection method
pattern inspection
cutting
pattern
Prior art date
Application number
KR1019860002753A
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English (en)
Other versions
KR900007434B1 (ko
Inventor
도시미쯔 하마다
도시미즈 하마다
미네오 노모또
미네오 노모도
고소 나까하따
고우쏘우 나가하다
Original Assignee
가부시끼가이샤 히다찌세이사꾸쇼
미쓰다 가쓰시게
가부시기가이샤 히다찌 세이사구쇼
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시끼가이샤 히다찌세이사꾸쇼, 미쓰다 가쓰시게, 가부시기가이샤 히다찌 세이사구쇼 filed Critical 가부시끼가이샤 히다찌세이사꾸쇼
Publication of KR860008597A publication Critical patent/KR860008597A/ko
Application granted granted Critical
Publication of KR900007434B1 publication Critical patent/KR900007434B1/ko

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Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/001—Industrial image inspection using an image reference approach
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • 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
    • 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
    • G01N21/956—Inspecting patterns on the surface of objects
    • G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30148—Semiconductor; IC; Wafer

Abstract

내용 없음

Description

페턴 검사방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예의 개략을 도시한 전체 구성도.
제2도는 검사페턴에서 불감대 페턴의 국부영역을 잘라내는 것을 설명하기 위한 도면이며, 제1도의 불감대 설정회로 3,4 및 국부페턴 추출회로 5,6,7에 상당하는 구체적 회로구성을 도시한 도면.
제3도는 쉬프트 레지스터군의 구성을 설명하기 위한 도면.

Claims (6)

  1. 기준과 검사대상에 대응하는 2종류의 영상을 2치화한 후, 화상을 잘라내고, 혹은 화상을 잘라낸 후, 2치화하여, 번갈아서 비교해서 일치하지 않는 부분에 결함이 있다고 하는 패턴 검사방법에 있어서, 2치로 표시된 잘라내는 화상의 경계의 양쪽을 불감대로 하는 과정, 기준영상과 검사영상과의 위치 엇갈림을 허용하여야 할 위치엇갈림 허영범위로 마련해서 화상을 잘라내는 과정, 잘라내는 화상을 위치 엇갈림 허용범위내에서 서로 비교하는 경우, 불감대를 제외하고, 일치하는 조합이 전혀 없을 때, 결함신호를 출력하는 과정을 포함하고 있는 페턴 검사방법.
  2. 특허청구의 범위 제1항의 페턴 검사방법에 있어서, 상기 경계의 양쪽을 불감대로 하는 과정은, 2치로 표시된 잘라낸 화상의 확대 혹은 축소를 위한 논리회로에 의해서 달성되는 페턴 검사방법.
  3. 특허청구의 범위 제1항의 페턴검사 방법에 있어서, 상기 화상을 잘라내는 과정은, 상기 기준영상과, 상기 검사대상의 영상중, 한쪽의 화상을 다른쪽의 화상보다 크게 잘라내는 것에 의해 위치엇갈림 허용범위를 마련하여서 되는 페턴 검사방법.
  4. 특허청구의 범위 제1항의 페턴검사 방법에 있어서, 상기 화상을 잘라내는 과정은, 상기 기준영상과, 상기 검사대상인 영상의 양쪽을 위치엇살림 허용범위의 상단분을 크게 잘라내어서 되는 페턴 검사방법.
  5. 특허청구의 범위 제1항의 페턴검사 방법에 있어서, 상기 기준에 대응하는 영상으로서 동일형상을 다수개 가진 검사대상의 일부에 대응하는 영상을 이용하는 페턴 검사방법.
  6. 특허청구의 범위 제1항의 페턴검사 방법에 있어서, 상기 기준과 검사대상에 대응하는 2종류의 영상중, 적어도 한쪽을 일시적으로 기억한 후, 상기 화상의 잘라내기를 행하는 페턴 검사방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860002753A 1985-04-12 1986-04-11 패턴 검사 장치 KR900007434B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP76389 1985-04-12
JP60-76389 1985-04-12
JP60076389A JP2602201B2 (ja) 1985-04-12 1985-04-12 被検査パターンの欠陥検査方法

Publications (2)

Publication Number Publication Date
KR860008597A true KR860008597A (ko) 1986-11-17
KR900007434B1 KR900007434B1 (ko) 1990-10-08

Family

ID=13603968

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860002753A KR900007434B1 (ko) 1985-04-12 1986-04-11 패턴 검사 장치

Country Status (4)

Country Link
US (1) US4776023A (ko)
JP (1) JP2602201B2 (ko)
KR (1) KR900007434B1 (ko)
DE (1) DE3612233A1 (ko)

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Also Published As

Publication number Publication date
DE3612233A1 (de) 1986-10-16
DE3612233C2 (ko) 1988-09-22
US4776023A (en) 1988-10-04
JP2602201B2 (ja) 1997-04-23
KR900007434B1 (ko) 1990-10-08
JPS61236285A (ja) 1986-10-21

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