Introduction The purpose of etching: After the circuit is electroplated, the board removed from the electroplating equipment will be post-processed to complete the circuit board. Specifically, […]

The most critical factor in the maintenance of etching equipment is to ensure that the nozzle is clean and there is no obstruction to make the […]

TCD process mainly includes the following technical contents: A. Plug Hole Technology Before screen printing the thermoset ink, the through holes of the inner layer should […]

Semi-Additive Method for Making Precise Fine Wires: The main process flow of the semi-additive method is: electroless copper on the whole board (generally, the thickness of […]