Metal cored solder decal structure and process

Abstract

A system of producing metal cored solder structures on a substrate includes: a decal having a plurality of apertures, the apertures being tapered from a top surface to a bottom surface of the decal; a carrier configured for positioning beneath the bottom of the decal, the carrier having cavities in a top surface and the cavities located in alignment with the apertures of the decal; the decal being configured for positioning on the carrier having the decal bottom surface in contact with the carrier top surface to form feature cavities defined by the decal apertures and the carrier cavities, the feature cavities being shaped to receive a plurality of metal elements therein, the feature cavities configured for receiving molten solder being cooled in the cavities, the decal being separable from the carrier to partially expose metal core solder contacts; and receiving elements of a substrate being configured to receive the metal core solder contacts thereon, and the metal core solder contacts being exposed and positioned on the substrate.

Dependencies are inferred from the claim text.