An Optical Inspection System Development for Defects on Multi-surfaces of ChipsMing-Fu Chen, Chih-Wen Chen, Chih-Chung Chou, Chih-Yen Chen and Yen-Chi ChiuMATEC Web Conf., 68 (2016) 12003DOI: https://doi.org/10.1051/matecconf/20166812003