Dear MEMS experts,

I would like to fabricate microlens on silicon substrate. Anyone know
which kind of PR I should use to generate a ball shape after reflow
process?

Thanks,

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?=4I$8 Fu-Yuan Xiao 
Chip Implementation Center, National Science Council
1F, No.1, Prosperity Road I, Science-Based Industrial Park, Hsinchu,
Taiwan
Tel: 886-3-5773693 ext.168
Fax: 886-3-5774064
Web: www.cic.edu.tw