ALEXANDRIA, Va., March 3 -- United States Patent no. RE50,809, issued on March 3, was assigned to Siltectra GmbH (Dresden, Germany).
"Method of modifying a solid using laser light" was invented by Christian Beyer (Freiberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for creating a detachment zone (2) in a solid (1) in order to detach a solid portion (12), especially a solid layer (12), from the solid (1), said solid portion (12) that is to be detached being thinner than the solid from which the solid portion (12) has been removed. The method according to the invention preferably comprises at least the steps of: providing a solid (1) which is to be processed and w...