CPC H05K 3/125 (2013.01) [C09D 11/52 (2013.01); H05K 1/092 (2013.01); H05K 3/1258 (2013.01); H05K 3/1283 (2013.01)] | 13 Claims |
1. An article comprising:
a substrate;
an electronically conductive film arranged on the substrate, the electronically conductive film including a plurality of copper particles and eutectic gallium-indium, the eutectic gallium-indium bridging the plurality of copper particles, the plurality of copper particles being wettable and/or alloyable by the eutectic gallium-indium, wherein a ratio of mass of the eutectic gallium-indium to mass of the plurality of copper particles is within a range of 0.1:20 to 20:0.1;
a flux material configured to remove an oxide from a surface of the eutectic gallium-indium when heated to an activation temperature; and
a barrier layer covering the substrate and the electronically conductive film.
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