What Is a Solder Paste Inspection Machine?

A solder paste inspection machine (SPI machine) measures the height, volume, and area of paste deposits. It also computes stencil offsets and finds defects in your PCBs. These machines are able to measure solder paste deposits accurately, which is critical to early detection of a defect found within the screen printing process of the PCB.…

The Importance a 3-D Solder Paste Inspection

3D solder paste inspection, also called SPI is a technique for testing printed circuit boards to make sure that they are printed correctly. You use a machine to monitor the solder paste alignment and volume during the printing process. It is important that the volume of solder is accurate because circuit board failures are usually…