| 摘要 |
A nest mechanism includes a 2-dimensional grid of support positions for supporting singulated electronic units. The support positions each include an inner opening and an outer horizontal base around the inner opening having a support surface that supports units thereon. A segmented wall arrangement is on the outer horizontal base located beyond an area of the unit for preventing movement of the unit while on the support surface. The segmented wall arrangement includes (i) a plurality of raised wall segments that extend to a first height above the support surface, and (ii) at least one recessed segment between the plurality of raised wall segments that has a height less than the first height. The recessed segment(s) help liquid-based washing processes to remove residue material generated by a sawing process that can become stuck under the units while in the nest mechanism awaiting transfer.
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