Electronics Forum | Fri Jun 27 08:41:40 EDT 2014 | hungikuo
Is it safe to let Au80Sn20 reflow twice? What I am saying is, for example, die attach using Au80Sn20, followed by lid seal using same Au80Sn20 solder, will it create any problem on the die which was first attached using same soldering material? My
Electronics Forum | Mon Dec 28 08:51:45 EST 2009 | jax
What solder are you talking about and what reflow method are you using? High Melt Alloys: SN96 (Sn96/Ag4 or Sn96.5/Ag3.5) - Simliar to SAC305 although normally uses Rosin based flux that can required more extensive cleaning. Pb85 (Pb85/Sb10/Sn5) -
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