2021-10-26

Reasons and Solutions for Repair Welding Porosity in SMT Patch Processing

SMT patch processing is a complex process, and some small problems will inevitably occur during the operation. For example, if the soldering of the SMT patch […]
2021-10-26

Circuit Boards Assembly Defects That Can Be Detected by AOI

AOI (Auto Optical Inspection) is an optical identification system. It has now been widely used in the circuit board assembly line of the electronics industry to […]
2021-09-18

In-Depth Analysis of the Soldering Quality of QFN Packages (Part 1)

QFN (Quad Flat Noleads, Quad Flat Noleads) seems to have a more and more common trend in IC packaging in the electronic industry today. The advantage […]
2021-09-18

In-Depth Analysis of the Soldering Quality of QFN Packages (Part 2)

2. QFN solderability inspection and testing           Just like the BGA solder inspection standards, the current solder inspection of QFN packages not only […]