METHOD FOR FORMING HOLES IN DIFFICULT-TO-WORK MATERIALS AND A DIFFICULT-TO-WORK MATERIAL WITH HOLES USING THE SAME

摘要

PURPOSE: A method for forming holes in difficult-to-work materials and a difficult-to-work material with holes using the same are provided to enable the easy formation of holes and to reduce formation times and costs though the aspect ratio of the hole is high or the diameter of the hole is small.;CONSTITUTION: A method for forming holes in difficult-to-work materials comprises following steps. A channel(32) is formed on one side of a first difficult-to-process material structure(30). A second difficult-to-process material structure(40) is welded with the surface where the channel is formed. A channel is formed using a dicing saw or laser.;COPYRIGHT KIPO 2011