GUM 기반 측정불확도의 평가 및 적용에 의한 품질개선open accessA Study on Quality Improvement by Evaluation and Application of GUM-based Measurement Uncertainty
- Other Titles
- A Study on Quality Improvement by Evaluation and Application of GUM-based Measurement Uncertainty
- Authors
- 최인수; 허선
- Issue Date
- Sep-2023
- Publisher
- 한국품질경영학회
- Keywords
- CMM(Coordinate Measuring Machine); Flatness; GUM; Measurement Uncertainty; Quality
- Citation
- 품질경영학회지, v.51, no.3, pp 419 - 434
- Pages
- 16
- Indexed
- KCI
- Journal Title
- 품질경영학회지
- Volume
- 51
- Number
- 3
- Start Page
- 419
- End Page
- 434
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/115946
- DOI
- 10.7469/JKSQM.2023.51.3.419
- ISSN
- 1229-1889
2287-9005
- Abstract
- Purpose: Measurement results obtained under non-ideal measurement environment conditions may contain
uncertain factors. As a result, the reliability of measurement results may be deteriorated. In this study, we
tried to find ways to improve quality by evaluating and applying measurement uncertainty based on GUM.
Methods: In the flatness measurement of semiconductor parts, uncertainty factors that could occur under
actual environmental conditions of workers were derived, and measurement uncertainties were calculated,
and methods for minimizing the main factors affecting the measurement results were analyzed.
Results: Depending on the part and the coordinate measuring machine, it was shown that the effect of dispersion
caused by repeated measurements as type A uncertainty and the effect of the calibration results
of equipment as type B uncertainty have the main influence.
Conclusion: Depending on the uncertainty factors of type A and type B and the influence of the total expanded
uncertainty, the central value and confidence interval of the initial measurement results showed fluctuations.
It is considered that analysis and measures for the main uncertainty factors are needed as quality improvement
in the industrial field.
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