November 6, 2008
Tutorial - SMD How To - 2
about 6 years ago
So nice to see recommendations to put a bit of solder onto the tip to get good heat transfer. Tutorials I used to read never mentioned that. There used to be mortal fear of carrying solder to the work on the tip. If you’re quick, and need to do so, you can, but normally you apply solder to the work (or work and tip together).
I’ve had good luck on closely-spaced solder connections by flooding the work with liquid flux; it’s wasteful, but it prevents any oxidation, and solder bridges (that’s what we called them) are less likely to happen, because surface tension stays healthy. Unless it’s no-clean flux, you really ought to remove it; try alcohol.
Fwiw: I’m a retired tech; soldered surface-mount gold-plated ribbon-lead flatpack ICs (Westinghouse 930 DTL, $50 for a J-K flip-flop) around 1964 or so. These were before DIPs…
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