激光全息检测印刷电路板钎焊缺陷

Detection of Braze Welding Defects on Printed Circuit Board by the Use of Laser Hologram

根据两次曝光法检测加载前后焊点的应变情况 ,提出一种高性能的钎焊质量检测方法 ,提高电子产品的可靠性和稳定性。

To improve the reliability and stability of electronic products,a highperformance testing method to detect through two-time exposure the strain of welding point before and after loading is suggested for the quality control on braze welding.