Substrate in the PCB design process may have the following problems one. Solder a variety of issues      Signs of the phenomenon: cold solder joints or solder bursting holes.      Inspection methods: Pre-dipped and dip-welded after holes on the regular analysis, in order to find the place where the ...

Electroless nickel / gold production management is currently responsible for one of the wet treatment production lines. The line is a manual production line, no traffic lifting, thanks to manual mention, discharge nickel / gold plate production. In addition, in recent years, as surface coating incre...