Patent ID: 11910520
Assignee: KUPRION INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A printed circuit board (PCB) comprising:
a substrate having one or more vias extending therethrough between a first face and a second face, walls of the one or more vias having a coating thereon; and
a monolithic metal body in each via in contact with the coating and filling the one or more vias, the monolithic metal body in each via having a uniform nanoporosity ranging from about 2% to about 30%, and the monolithic metal body in each via being formed from consolidation of a metal nanoparticle paste composition comprising a) metal nanoparticles coated with one or more surfactants, b) one or more organic solvents, and c) about 10 wt. % to about 35 wt. % micron-scale particles.