Environmental and legislative concerns are driving consumers away from products using solders that contain lead (Pb), including solders used in die-attach applications for analog semiconductor assembly. Indium Corporation’s BiAgX® solder paste technology is a high-melting, lead-free (Pb-free) solder paste technology that serves as a drop-in replacement for the high-Pb solders used in many high-reliability die-attach and electronics assembly applications.
BiAgX can survive junction temperatures and high-temperature environments in excess of 175°C with little degradation of the mechanical structure or other properties.
“BiAgX is the only low-cost, customer-proven, lead-free replacement solder paste that is able to survive J-STD-020 MSL reflow profiles (up to 260°C) in the final solder joint,” said Indium Corporation’s Andy C. Mackie, PhD, MSc, senior product manager for semiconductor and advanced assembly materials. “BiAgX has been qualified by customers at moisture sensitivity level (MSL) 3 up to 1 per IPC/JEDEC Standard J-STD020. Customers are also ramping production to meet their customers’ needs for a completely lead-free final assembly.”
BiAgX is suited for small, low-voltage QFN packages that are used in portable electronics (smartphones/tablets), automotive electronics, and industrial applications. It requires minimal process adjustments and no capital expenditures for customers converting from a standard high Pb-containing solder paste-based process. It is both Pb-free and Sb-free (lead and antimony) and does not contain costly specialty materials, such as nanosilver or sintering aids.
BiAgX reflows, solders, wets, and solidifies just like any other solder paste, and is available in both dispense and printing forms. Flux residues are easily cleanable with standard cleaning chemistries and processes.
For more information about BiAgX, including technical papers and other technical information, visit indiumstg.wpenginepowered.com/BiAgX.
铟泰公司 面向全球电子、半导体、太阳能、薄膜及热管理 顶级材料制造商和供应商。 产品包括焊料和助焊剂；硬钎焊；热界面材料；溅射靶材；铟、镓（Ga）、锗和锡的金属及化合物；以及NanoFoil®。铟泰公司成立于1934年，拥有全球技术支持体系，并在中国、马来西亚、新加坡、韩国、英国和美国设有工厂。
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