QFN bad soldering is often happening in SMT assemble, consider from many aspects, such as pad design, PCB storage, chip control and management, solder paste management and use, furnace temperature ...

With over 200 million motors produced every year with fractional horse power, the opportunity to save energy by adopting an electronically controlled variable speed solution is very significant. In ...

Parts change and so do vias. My standard line is that open vias in pads are bad, but sometimes you do need to put vias in your pads. Parts change and so do vias. My standard line is that open vias in ...