We’re kind of surprised we haven’t covered this concept before since it only uses techniques that are commonly avaialable for home PCB fabrication. [Ray] made this solder paste stencil out of a sheet ...
Cost-effective considerations: When choosing a solder paste, do not blindly pursue the low price, but to ensure that the premise of welding quality, choose a cost-effective solder paste. This requires ...
Abstract: When QFN and other bottom-terminated devices are soldered using solder paste at atmospheric pressure, some voiding is always observed. The process of void formation during reflow is dynamic; ...
Solder paste should be stored in a cool, stable environment. Refrigeration between 0° and 12°C (32°-55°F) is ideal, as it ...