Via is one of the important components of multi-layer PCB, and the cost of drilling usually accounts for 30% to 40% of the cost of PCB board. From the function...
The quality control of the copper plating layer of the through-hole printed circuit board is very important, because the multi-layer or laminated board is devel...
1. Before copying the board, there is a record for the original. This is a series of work. If the previous process is not handled well, it will directly aff...
1. Because the crystal structures formed by immersion gold and gold plating are different, immersion gold is easier to weld than gold plating, and it will not ...
With the continuous improvement of human requirements for the living environment, the environmental problems involved in the current PCB production process are ...
Many customers believe that after the circuit board is broken, the temperature and pressure of the film should be increased to enhance its bonding force. In fac...
With the rapid development of the electronics industry, PCB wiring is becoming more and more precise. Many PCB manufacturers use dry film to complete the patter...
OSP (Organic Solderability Preservatives), Chinese translation for organic solder protection film, also known as copper protection agent and anti-oxidation. It ...
PTH is a metallized hole. Generally, the PTH hole of the circuit board has two purposes. One is used for welding traditional dip parts. The diameter of these ho...