We're building some boards with 01005's and the only issue we are running into is the solder is not reflowing. It's the damnest thing, we are having no issues with the printing process or placing the components, the two areas we thought we would run into all of our issues. We are using a water soluble sn63/pb37 type 4 paste and I have tried numerous profiles that I created using the KIC2000 thermal profiler and the closest thing to a good wetted solder joint didn't occur until I was reaching lead-free solder temperatures and I was way out of spec according to the TDS.
Anyone have experience with 01005's and soldering issues? Any input would be greatly appreciated.
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