| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a laser beam machining method and an apparatus capable of machining a wide region of a workpiece without moving it while the increase in the size of the apparatus is suppressed. <P>SOLUTION: A laser marking apparatus 1 is designed such that a scanning unit 20 is made rotatable around the center axis of a connecting member 30 relative to a laser light source unit 10. When the scanning unit 20 is rotated, the irradiation direction (lens center axis direction of an fθlens 25) of a laser beam L from the scanning unit 20 is changed and, accordingly, a finite printing area E moves on a workpiece W. In other words, the position of the printing area on the workpiece W is moved in accordance with each rotational angle of the scanning unit 20 for the laser light source unit 10, making it possible to print a marking pattern with a size exceeding the printing area E on the workpiece W. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
