BORAS, SWEDEN – A European consortium has begun sharing results of tests on novel solder paste formulations aimed to reduce the miniaturization/functionality limitation, the quantity of raw material usage, WEEE, pollution and associated health costs.

The FineSol Project’s latest effort took place in Sweden, where project partners discussed progress made, and plans were put in place for the next six months of the project. Test results of FineSol solder paste were also presented.

Members ultimately plan to deliver a line of solder particles with sizes 1-10µm and formulate solder pastes containing these particles. Common solder powders of Types 3-4 have particle size distribution in the range of ~40μm. Type 5-9 solder powders are either unavailable, or unavailable on a volume commercial basis, resulting in high material costs. This project further entails development of a prototype atomization machine for production of Type 8-9 solder spheres.

The Consortium consists of seven small-to-medium size businesses (SMEs), two large enterprises, five research groups and an association. Funding is coming in part from the European Union’s Horizon 2020 research and innovation program.

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