Solder paste combines alloy particles with a flux medium so that material can be printed or dispensed onto PCB pads before reflow soldering. The formulation should suit the assembly design, application method and thermal process.
Particle size, alloy and flux chemistry influence printing behavior and joint formation. Fine apertures and small deposits may require different characteristics from larger pads. Paste compatibility with the stencil or dispensing equipment should be assessed alongside the intended reflow profile.
Storage and preparation are important because temperature exposure, handling and age can affect performance. Follow the material instructions for storage, conditioning and time in use. Consistent application and solder paste inspection can help identify deposit variation before placement. Flux residue and any cleaning requirement should also be reviewed against the finished product’s needs.
Find solder paste for electronics assembly at Sinerji. Contact our team to explore materials suitable for your PCB features, printing or dispensing method and reflow process.
AIM Solder is a global manufacturer of soldering materials for the electronics industry. Its portfolio includes solder alloys, pastes, wire, bar and flux solutions. Supported by strong R&D and global technical service, it serves automotive, LED, mobile, renewable energy and aerospace sectors with high-reliability process solutions.