Business Wire

Lawrence Berkeley National Laboratory Introduces Printed Circuit Boards with Solderless, Board-in-Board Interconnections for Low-cost, Flexible Designs

BERKELEY, Calif.--(BUSINESS WIRE)--Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a compact, robust, and low-cost method for interconnecting printed circuit boards (PCBs) without ...
JSTOR Daily

The Use of Cobalt in Plated Copper to Inhibit the Formation of Brittle Copper-Tin Intermetallic Compounds at the Copper-Solder Interface on Printed Circuit Boards

This is a preview. Log in through your library . Abstract The formation of copper-tin intermetallic compounds of the Cu₆Sn₅ and the Cu₃Sn type at the interface between copper and solder on printed ...
Hackaday

Five Ways To Repair Broken PCB Traces

When everything used wires, it was easy to splice them or replace them. Not so much with PC boards, but everyone has their favorite method for repairing a broken trace. [Mr. SolderFix] has his five ...