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Uploaded on Mar 9, 2007
This is a tight pitch (0.65mm I believe) CP2102 leadless IC. We've pre-tinned the footprint, now with a swirling motion from the gun, we heat the footprint until solder is molten-ish and place the IC down. You'll notice the IC jump into alignment on the footprint. This is the surface tension of the solder pulling the IC center. Very cool. Then I went and tapped it a bit to show how to align the IC if need be. Don't get greedy. You have a finite amount of time you can stress the PCB before things go south.