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Reflow Soldering Basics

Neoden USA

Founder and CEO of Neoden USA, Peter Swann, explains the basics of reflow, and its importance in maximizing the potential of your SMT manufacturing setup.

00:00 -- Introduction

00:31 -- What is "reflow"?

01:09 -- What is solder paste?

02:35 -- Preheat phase

04:05 -- Soak phase

04:47 -- Reflow phase

05:24 -- Cooling phase

05:46 -- Temperature setting considerations

06:40 -- Conveyor vs. drawer-style oven

07:22 -- Stencils, and consistent solder application

08:06 -- Finished board comparisons

Sources:

1. Solder paste under microscope -- Wikipedia user Autopilot, Creative Commons Attribution-ShareAlike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/legalcode)

2. T-size chart -- Tony Lentz, SMT 007 Magazine (https://smt.iconnect007.com/index.php/article/118243/size-matters-the-effects-of-solder-powder-size-on-solder-paste-performance/118246/?skin=smt)

Reflow Soldering Basics | Knoovi