Patent ID: 7063628

Claim:
A golf club head comprising: a body composed of a magnesium alloy material, the body comprising at least a portion of a sole and a portion of a crown of the golf club head; and a plating deposited on the portion of the sole of the body, the plating comprising a layer composed of a nickel or a nickel-based alloy material, and at least one additional layer composed of a material selected from the group consisting of zinc, chromium, tin-cobalt and copper, wherein the plating has a mass ranging from 1.0 gram to 3.0 grams and a thickness ranging from 0.0002 inch to 0.002 inch; wherein the golf club head has a mass ranging from 180 grams to 225 grams, a volume ranging from 350 cubic centimeters to 465 cubic centimeters, and a moment of inertia about the Izz axis of the golf club head is greater than 3000 g-cm 2 .