The difference between the gold plate and the gold plate in the circuit board

First, why use gold plate With the increasing integration of ICs, the more IC pins are denser. The vertical spray process is difficult to flatten the fine lands, which makes it difficult to mount the SMT. In addition, the shelf life of the spray tin plate is very short. [...]

The difference between the gold plate and the gold plate in the circuit board

Copper sink quality control method

Copper sink quality control method Electroless Plating Copper is commonly referred to as sink copper. Printed circuit board hole metallization technology is one of the key technologies of printed circuit board manufacturing technology. Strictly controlling the quality of the hole metallization is the prerequisite for ensuring the quality of [...]