A method of manufacturing a face plate for a golf club head is presented to provide face having substantial thickness variation for enhanced performance. An update information management unit manages update information on the update of the contents distributed by the content transmitter. A second hardmask is formed on the second area of the semiconductor substrate, and a second dielectric forming dopant is implanted into the first area of the semiconductor substrate that is not covered by the second hardmask. A coma aberration correcting device corrects coma aberration caused by tilt of the recording medium. A locator web is provided that is formed of a thin sheet of plastic having a plurality of spaced apart apertures.