Generally, solder can’t provide high-quality mechanical support. The strength of the plug-in itself is much larger···

Since the concentration of the chemical at 20-30 cm from the soldering iron tip is much smaller than the recommended val···

The corrosion of electronic products mainly includes galvanic corrosion and chemical corrosion. The corrosion caused by ···

1.The solder paste collapses. The form of expression is that the solder paste pattern is not clear and the edges are not···

The method of inserting and welding integrated circuits and the method of inserting and welding discrete components are ···

When the tin-lead alloy is mutually melted at a ratio of 63:37, the temperature rises to 183 °C, and the junction of···

It needs to be coated on the surface of the PCB after the pcb board is etched, . There are two main aspects in this meth···

Ensuring that the temperature curve of the reflow soldering process meets the temperature requirements of the product an···

I.PCB size and appearance inspectionPCB dimension testing mainly includes the diameter, spacing and tolerances of machin···