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First of all, the main role of HAL: ①Control the surface oxidation of bare copper ②Maintain solderability Second, there are two types of spray tin: […]
In the process, the welding of the circuit board is a relatively important process. The quality of the welding process will directly affect the quality […]
Due to the actual factory production lines, the equipment and potion system used are not exactly the same. Therefore, it is necessary to conduct targeted analysis […]
During the production, the cost of immersion gold board is relatively high, and the immersion gold process is not required under normal circumstances. So how do […]