TILT detection of connectors using phase shifting

Authors:
V. Retnasamy;Mani Maran Ratnam;K. Sundaraj;Zaliman Sauli
Affiliations:
Northern Malaysia University College of Engineering, PPK Mekatronik, Perlis, Malysia;University Science of Malaysia, Mechanical Engineering Department, Penang, Malaysia;Northern Malaysia University College of Engineering, PPK Mekatronik, Perlis, Malysia;Northern Malaysia University College of Engineering, PPK Mekatronik, Perlis, Malysia and University Science of Malaysia, Mechanical Engineering Department, Penang, Malaysia
Venue:
ACST'07 Proceedings of the third conference on IASTED International Conference: Advances in Computer Science and Technology
Year:
2007

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Abstract

AVI's are playing important roles in quality inspection in the electronic industry. Most existing AVIs are single overhead camera and are incapable detecting 3D defects. This work presents solving the shortcoming stated using an angle fringe projection. This work was done using a noncollimated light source, whereas other researches on surface metrology usually used collimated light source. For precise surface or height measurements collimated light or laser source is commonly used., this work has demonstrated a successful manipulation of the non-collimated light source in height measurement by calibration of the illumination angle and development of the reference table.