Patent ID: 7935001

Claim:
A golf club head comprising: a face portion including an inner zone and an intermediate zone surrounding said inner zone, said inner zone having a relatively high flexural stiffness when compared to said intermediate zone; and a body portion connected to said face portion, wherein said face portion contains a sweet zone encompassing said inner zone and said intermediate zone, wherein said sweet zone encompasses approximately 15% to approximately 60% of said face portion, wherein said sweet zone exhibits a reduction in back spin variance on a golf ball struck by said golf club head, wherein said golf ball struck within said sweet zone will maintain at least 85 percent of a maximum spin generated by said golf ball when struck by said golf club head, wherein said club head has a center of gravity located below a horizontal plane containing a geometric center of said face portion, and wherein said inner zone has a generally elliptical shape, with a major axis and a minor axis, wherein said major axis aligns substantially in a direction of high heel to low toe.