With the advent of the ultra miniature 01005 body packages in a lead-free solder assembly environment, there is a need to develop an optimized process to rework these passives. Given their size - 10 × 5 mils or 0.25 × 0.125mm - it is no surprise that reworking 01005s with lead-free solder paste is a great challenge. In light of this need, a group of rework engineers put their collective thoughts together to review the most common possible solutions for reworking 01005s (FIGURE 1). In this experimentation, two applications labs with mostly different equipment sets evaluated a variety of different techniques for the rework of these 01005 components.
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