Solder: leaded or unleaded

[NiamhAstra]

@amal

hmm ok… it sounds like a cold solder joint. Basically the wire we use is coated and the lead free soldering process used to bond the wire to the inductor input on the chip must be hot enough to burn the coating off the wire and make a solid electronic connection

So was this before the spot welding or is that the:

@amal

very small amount of tin solder