Patent ID: 7247057

Claim:
A connector assembly comprising: at least one connector; and at least one transmission board connected to said connector, said transmission board comprising: a first surface board having at least one first transmission circuit on a first surface thereof and first connection pads on a second surface thereof opposite to the first surface, said first surface board having a first edge portion along which the first connection pads are arranged; a second surface board having at least one second transmission circuit on a third surface thereof and second connection pads on a fourth surface thereof opposite to the third surface, said second surface board having a second edge portion along which the second connection pads are arranged; and a frame body for supporting the first and second surface boards so that the first transmission circuit is apart from the second transmission circuit by a specific distance according to a specific characteristic impedance when the first transmission circuit and the second transmission circuit are operated in a differential operation, said frame body having one plugging edge attached to the first and second edge portions for covering the first and second edge portions.