The development of slim and sleek mobile phones has imposed stricter requirements on the dimensional control of mobile phone components. When mounting chips on PCB boards, if the height of the mounting exceeds the designated tolerance range, it may directly result in the inability to close the phone properly or cause abnormal protrusions. Therefore, precise control of the height of chip mounting on PCB boards is crucial. The TS-CR4000 Spectral Confocal Displacement Sensor from TrueSpectra Intelligent can achieve a measurement spot size smaller than 20μm, with a probe weight less than 30g, and a measurement accuracy higher than 2μm. It can be used for height measurement processes in chip mounting equipment, aiding in making 3C electronic products slimmer and sleeker.