Abstract
An optimum approach for reduction of alignment shift in flip-chip bonding for Vertical Cavity Surface Emitting Laser (VSCEL) array module package is presented. The laser array module was fabricated by the assembly of a 4-channel VSCEL array and 50/125 μm multimode fiber ribbons. The results show that the alignment shifts of flip-chip bonding under the optimum process of 20 sec bonding time and 20 g loading are minimum. The average minimum misalignments of flip-chip bonding were measured to be 1 and 5 μm for horizontal and vertical directions, respectively.
© 2001 IEEE
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