今天有位朋友向我咨询到乐泰的一款underfill产品,型号是3517,据说是用在sharp的PDA类产品上面,我对3513了解多一些,因为碰到的手机客户用此款的较多,公司的DU901和DU902也都是针对3513同类应用的。于是去官方网站下载了一份看了看!看上去与3513还比较类似,不过固化的温度似乎可以更低一些,时间也稍微长一些,还有就是Tg点似乎要高一些,但返修方式好像是一样的。
LOCTITE 3517 is a one part, heat curable epoxy. It is designed for use as a reworkable CSP(FBGA) or BGA underfill for protection of solder joint against mechanical stress when used for hand held electronics devices.
Chemical Type: Epoxy
Appearance (uncured): Black liquidLMS
Components :One component - requires no mixing
Cure: Heat cure
Cure Benefit :Production - high speed curing
Application :Underfill
Specific Application :Reworkable underfill for CSP (FBGA) or BGA
Dispense Method :Syringe
Key Substrates: SMD components to PCB
Reworkable: Yes
有兴趣的朋友可以下载学习一下! 3517-en
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