Solder paste is an elaborate mixture of metal powders, acids, thixotropes, solvents and a variety of other chemicals. When ...

3D printed solder stencil on PCB, after applying solder paste. [Jan] says that the printed stencil had a few defects but it otherwise worked fine for 0.5 mm pitch ICs and 0402 resistors ...

Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you have a smeared mess to clean up. To make this task a little easier, [Max Scheffler] built ...

Apply solder above wires so the solder is fed to ... Finish up by cleaning off excess dielectric paste.

The process begins by laying a stencil with holes cut out for individual pads over a PCB and applying solder paste to the PCB with a screen printer. A pick and place machine or other placement ...