CALIBRATING APPARATUS AND METHOD OF MARKING FOR LASER MARKING SYSTEM

摘要

A calibrating apparatus and a method a laser marking system is provided to control marking according to a size of a gap generated in a height of a chip inside a tray. A calibrating apparatus and a method a laser marking system includes a detecting part(1) and a marking part(2). The detecting part includes a vision camera(3) and a laser beam oscillator(4). The vision camera photographs X, Y position of chips(11) mounted on a tray(10) by detecting laser beam irradiated to a side of the chips mounted on the tray. The laser beam oscillator detects a position in a height direction by irradiating a laser beam to the side of the chips mounted on the tray. The marking part marks letters and/or figures on the chips.