| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a laser beam machining apparatus and a method therefor which enable the machining position in laser beam machining to be discriminated. <P>SOLUTION: Upon the formation of weld beads 100, marks 101 showing the weld beads 100 and the welding order of the weld beads 100 are drawn by laser beam. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
