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2021-12-20

About PCB Appearance Processing Methods

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: […]

2021-12-20

How to Solder A Correct And Beautiful Circuit Board

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 […]

2021-12-20

Main Reasons for The Blackening of The Electroplated Gold Layer in PCB Processing

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 […]

2021-12-18

About Double-Sided Immersion Gold PCB Circuit Board

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 […]