Chapter 5: Mechanical Dimensions and Conductor Inspection of Printed Circuit Boards
The mechanical dimensions and surface conductors of printed circuit boards directly reflect the CNC processing and wet process capabilities of the PCB production line. This is a mandatory inspection item for finished PCBs, commonly used testing instruments include Automatic Optical Inspection (AOI) and Coordinate Measuring Machines (CMM). Figure 1 Mechanical dimensions and conductors of PCBs … Read more