The solder joint infrared radiation detecting system was developed in SMT laser micro soldering, and a numerical model of infrared sensing of the micro joint was put forward. The calculated results show that the melting and wetting of the solder were recognized by the infrared radiation signal, therefore the signal can be used to control the joint quality simultaneously in laser micro soldering.
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梁旭文 王春青. SMT激光微软钎焊焊点质量红外传感的计算机模拟[J].红外与毫米波学报,1997,16(4):273~278]. Liang Xuwen. COMPUTER SIMULATION OF THE INFRARED RADIATION SIGNAL OF THE SOLDER JOINT IN SMT LASER SOLDERING[J]. J. Infrared Millim. Waves,1997,16(4):273~278.]
