Solder-stop mask
Last updated: August 2020Reason of failed review:A: The Space between IC pads should be at least 0.2mm if solder mask bridge for green soldermask needed of 1oz/2oz/3oz copper board.B: Space between IC...
Switching time PCB circuit board assembly and special performance
Assembly of electronic products because of the large number of components , as well as a wide variety of electronic product life cycle is short and so on , to the production operation scheduling an en...
PCB copy board processing gold plating layer blackened main reason analysis
1 , electroplated nickel layer thickness control . We must say that the gold plating layer of black issues , we will discuss how the thickness of the nickel plating . In fact, PCB circuit boards are ...
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