Chapter 11. Laser Soldering of Electronic Modules

IF 0.9 Q3 Engineering
V. L. Lanin, V. A. Emel’yanov, I. B. Petuhov
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引用次数: 0

Abstract

The primary types of lasers and laser diode systems used for assembly soldering are examined in detail. The technological features of laser soldering are presented for various types of contact connections in electronic modules, including bulk conductors, planar lead elements, chips, and device packages. By modeling the parameters of laser soldering, the optimal technological regimes for these processes have been determined. Laser radiation offers several advantages over infrared methods, including high localization of power in the heating zone, noninertial impact allowing for heating with short-duration pulses, precise dosing of emitted energy, and a minimal thermal effect zone. Soldered joints created through laser soldering exhibit a glossy surface, well-formed fillets, and enhanced strength properties. The ability to regulate flexibly and dose precisely the supplied energy enables the adjustment of temperature and soldering time over a wide range, enhancing the control and quality of the soldering process.

Abstract Image

Abstract Image

第 11 章 激光焊接电子模块电子模块的激光焊接
摘要 详细介绍了用于装配焊接的激光器和激光二极管系统的主要类型。介绍了激光焊接的技术特点,适用于电子模块中各种类型的接触连接,包括散装导体、平面引线元件、芯片和器件封装。通过对激光焊接参数的建模,确定了这些工艺的最佳技术状态。与红外线方法相比,激光辐射具有多项优势,包括加热区功率定位精度高、非惯性影响允许短脉冲加热、发射能量剂量精确以及热效应区最小。通过激光焊接产生的焊点表面光亮、圆角成型良好,而且强度更高。由于能够灵活调节和精确分配所提供的能量,因此可以在很大范围内调节温度和焊接时间,从而提高焊接过程的控制和质量。
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来源期刊
Surface Engineering and Applied Electrochemistry
Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering
CiteScore
1.60
自引率
22.20%
发文量
54
期刊介绍: Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.
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