Browse > Article

3-D Analysis and Inspection of Surface Mounted Solder Pastes by Point-to-Surface  

신동원 (금오공과대학교 기계공학부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.20, no.3, 2003 , pp. 210-220 More about this Journal
Abstract
This work presents a method of point to surface assignment fur 3D metrology of solder pastes on PCB. A bounding box enclosing the solder paste tightly on all sides is introduced to avoid incorrect assignment. The shape of bounding box fur solder paste brick is variable according to geometry of measured points. The surface geometry of bounding box is obtained by using five peaks selected in the histogram of normalized gradient vectors. By using the bounding box enclosing the solder pastes, the task of point-to-surface assignment has been successfully conducted, then geometrical features are obtained through the task of surface fitting.
Keywords
Metrology; Inspection; Point Cloud; Solder Pastes; Histogram; Gradient; Bounding Box; Surface Fitting;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Teoh, E. K., Mital, D. P., Lee, B. W., Wee, L. K., 'Automated visual inspection of surface mount PCBs,' IECON'90, pp. 576-580, 1990   DOI
2 Ander A. Claudet, 'Analysis of Three Dimensional Measurement Data and CAD Models,' Ph.D. Dissertation, Georgia Institute of Tech., 2001
3 Tucker, Thomas M., 'A New Methods for Parametric Surface Registration,' Ph.D. Dissertation, Georgia Institute of Technology, 2000
4 허성민, 최재원, 이석희, '자유 곡면 생성을 통한 역공학 적용에 관한 연구,' 한국정밀공학회지, 제18권, 제10호, pp. 168-177, 2001   과학기술학회마을
5 SVS 8300SPI Solder Paste Inspection System Data Sheet, GSI Lumonics, 2002
6 Gunnarsson, Kristjan T. and Prinz, Friedrich B., 'CAD Model Based Localization of Parts in Manufacturing,' IEEE Computer, Vol. 20, No. 8, pp. 66-74, 1987   DOI   ScienceOn
7 Sahoo, K. C. and Menq, Chia-Hsiang, 'Localization of 3D Objects Having Complex Sculptured Surfaces Using Tactile Sensing and Surface Description,' Journal of Engineering for Industry, Vol. 113, 1991
8 Besl P., McKay, N., 'A Method for Registration of 3D Shapes,' IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 14, No. 2, pp. 239-256, Feb. 1991   DOI   ScienceOn
9 Ristic, M. and Brujic, D., 'A Framework for Non-Contact Measurement and Analysis of NURBS Surfaces,' International Journal of Advanced Manufacturing Technology, Vol. 14, No. 3, pp. 210-219, 1998   DOI   ScienceOn