Patent ID: 7553242

Claim:
A golf club head comprising: a face portion including an inner zone and an intermediate zone surrounding the inner zone, wherein the inner zone has a relatively high flexural stiffness such that a measurement zone, defined by a rectangle having the dimensions of 0.5 inch by 1.0 inch with a geometric center tat coincides with a geometric center of the face portion, has a lowest COR that is at least 93 percent of a maximum COR; a body portion formed of a material having a first density; a crown portion formed of a second material having a second density that is less than the first density, such that the club head has a center of gravity located below a horizontal plane containing the geometric center of the face portion; and a dampening layer juxtaposed the body portion and the crown portion for acoustical attenuation between the frequencies of 3800 Hz and 10,000 Hz.