Patent ID: 6785960
Filing Date: 2004-09-07
Classification: H05K,Y02P,Y10T

Abstract:
A method for constructing a printed circuit board assembly, comprising the steps of:(a) providing a printed circuit board comprising: a top surface comprising a top pad, wherein the top pad is electrically connectable to a top component; a bottom surface; and a via extending through the circuit board from the top surface to the bottom surface, wherein the via is electrically connected to the top pad, and wherein the via includes an opening at the bottom surface; (b) forming a plug in the via by inserting a volume of material into the via through the opening in the via; and (c) contacting an end of the plug with molten solder, wherein the end of the plug is at the bottom surface, and wherein the plug obstructs flow of the molten solder into the via.