Patent ID: 7503854

Claim:
A golf club head comprising: a body having a crown, a sole, a ribbon disposed between the crown and sole, and a hollow interior; a striking plate insert attached to the body, the striking plate insert being composed of a material having a density greater than that of the body; and a weighting member disposed within an exterior recess in the ribbon at an aft end of the body, the weighting member providing weighting at least at a rear portion of the body; wherein a center of gravity of the golf club head is located less than approximately 1.7 inches from an exterior surface of the striking plate insert; wherein the golf club head has a robustness efficiency parameter of less than approximately 0.410; wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters; wherein the golf club head has a moment of inertial Izz about the Z-axis through the center of gravity of greater than 3000 g-cm 2 and a moment of inertia Iyy about the Y-axis through the center of gravity in the range from 2000 g-cm 2 to 4000 g-cm 2 .