The results will provide theoretical guidance for designing chemical constitutions of new l…
2
由于无铅钎料润湿性较差，在实际生产中普遍采用氮气保护。
Nitrogen Protection is used in practical industry because of poor wettability of lead-free solder.
3
随着微电子表面组装技术的迅猛发展，软钎料尤其是无铅钎料逐渐成为研究的焦点。
The solder alloys especially the lead-free solder alloys become the focus of study because of the quick development of the microelectronics and the surface mount technology (SMT).
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