5. Exposure The liquid photoresist undergoes a cross-linking polymerization reaction after being irradiated with UV light (300-400 nm), and the part exposed to the light forms […]

Introduction: In the PCB manufacturing process (Technology), whether it is a single, double-sided or multi-layer board (MLB), one of the most basic and critical processes is […]

2. Coating Coating refers to uniformly coating the copper surface with a layer of liquid photoresist. There are many methods, such as centrifugal coating, dip coating, […]

The final coating process for PCB manufacturing has undergone important changes in recent years. These changes are the result of the continued need to overcome the […]