A method for texturing a glass ceramic substrate comprising the steps of applying a laser pulse to the substrate such that a portion of said substrate is heated to a temperature higher than the glass transition temperature of the glass phase of said substrate but lower than the melting point of the crystal...http://www.google.com/patents/US6068891?utm_source=gb-gplus-sharePatent US6068891 - Method for laser texturing a glass ceramic substrate and the resulting substrate
