| 摘要 |
A golf ball having a plurality of dimples on a spherical surface thereof, the dimples each having a circular shape in a plan view, is provided,wherein a virtual dimple is supposed to have a circular shape having the same diameter as the circular shape of the dimple in the plan view, and to be a part of a circle having the same sectional area as that of the dimple in the sectional view;at least 80% of the dimples have depths not less than 104% of the depth of the virtual dimple, and have a non-circular-arc-shape in a sectional view; anda total volume of the dimple is in a range of from 300 to 550 mm3. |
