Golf club striking face

Details Golf club striking face Golf club striking face

2007-08-02

2008-11-04

Kim, Gene (Department: 3711)

Games using tangible projectile

Golf

Club or club support

Reexamination Certificate

active

07445561

ABSTRACT:
A golf club head in accordance with the invention includes a front wall defining a forward striking face having an engineered texture thereon. The engineered texture includes a prescribed, regular pattern of discrete, geometric shapes spaced at least 0.1 mm apart from each other, each shape having a volume that is less than 0.0007 mm3. Preferred methods of manufacturing the engineered texture of the forward striking face include treating the face by chemical etching, precision micro-saw-cutting, and laser cutting. The engineered texture enhances the performance of the golf club head upon striking a golf ball, providing one or more of an increased high backspin, a lower launch angle, and a higher balls speed, as compared to a golf club head not incorporating such an engineered texture.

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Photon Golf, Inc., “Laser Nanogroove Technology,” Sep. 15, 2003 http://www.photongolf.com/Int.htm.
Photon Golf, Inc., “Laser Surface Modification,” Sep. 15, 2003, http://www.photongolf.com/Ism.htm.

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