Patent ID: 6790056
Filing Date: 2004-09-14
Classification: B23K,H01R,H05K,Y10T

Abstract:
A pin/surface mount printed circuit board assembly, for providing an electrical connection between a surface mount printed circuit board and a surface mount motherboard, the pin/surface mount circuit board assembly comprising:a surface mount circuit board having at least one through hole with a diameter; and a pin comprising a tail portion, a shoulder portion and a head portion, the tail portion and the shoulder portion having a diameter that is less than the diameter of the at least one through hole, and the head portion having a diameter that is greater than the diameter of the through hole, wherein the diameter of the shoulder portion is such, in relation to the diameter of the through hole, so as to rest inside the through hole and to allow solder to flow under the head portion and down into the through hole, but not as far down as the tail portion, thereby forming a solder joint between the pin and the through hole and assisting in centering the pin in the through hole, and further wherein an electrical connection between the surface mount printed circuit board and a surface mount motherboard is provided by inserting the tail portion of the pin into a corresponding socket of the surface mount motherboard.