Patent ID: 9354273
Filing Date: 2016-05-31
CPC Classification: G01R

Claim Text:
1. An apparatus, comprising: a substrate, including a conductive trace and a first layer disposed on top of the conductive trace, the first layer including at least one cavity extending to the conductive trace; and an electrical probe disposed in the cavity, with solder paste coupling the electrical probe to the conductive trace, the electrical probe comprising: a high yield strength wire core including a refractory metal; and a thin oxidation protection layer concentrically disposed around high yield strength wire core and providing an outside surface of the electrical probe, the thin oxidation protection layer including predominantly one or more materials selected from gold, platinum, ruthenium, rhodium, palladium, osmium, iridium, chromium, and combinations thereof, wherein the solder paste fills the cavity and is coupled to the electrical probe inside the cavity, disposed between the electrical probe and the first layer; and wherein the first layer is one of a deposited first layer, a first layer that is a photo-imageable dry-film laminate and a spun-on deposited first layer.