Before SMD placement, it is necessary to ensure that sufficient solder paste is evenly printed on the pads. Since the assembly components are placed onto the deposited solder paste by the automatic placement machines, the height and width of the solder paste have impacts on the alignment of the...
Before SMD placement, it is necessary to ensure that sufficient solder paste is evenly printed on the pads. Since the assembly components are placed onto the deposited solder paste by the automatic placement machines, the height and width of the solder paste have impacts on the alignment of the...
termsof wirelengthanddelay minimization. Therefore, a new methodology wasproposed in [8], which first flattensthelogical hierarchy totheextent that wearecer- tain that the circuit elements in each module of the flattened hierarchy shouldphysically stay together. Thenaphysical hi- ...
serving as virtual I/O pads at the region boundary under processing. However, the TP algorithm of [2], based on some Steiner tree heuristic, is time-consuming. Combined with TP, iterative SeqLP in each level becomes possible. Examples of iterative SeqLP based on quadrisection ...