PCBA testing refers to the testing of IC programming, circuit continuity, current, voltage, pressure and other aspects of the PCBA board. There are many uncontrollable factors […]

When etching, must adhere to the first piece of processing. Determine the etching parameters (rate, temperature, etc.) through the first piece processing, and determine whether the […]

About the causes and solutions of the blackening of the electroplated gold layer, here are three common causes of problems for reference. 1. Thickness control of […]

Solder resist ink printing in the PCB process is to apply the solder resist ink to the printed circuit board by screen printing. This article lists […]