| 摘要 |
A method is performed for determining a suitable workpiece processing focal position of a laser beam. The method includes adjusting one or more of a laser beam and a workpiece until a periphery of the laser beam contacts a lateral edge of the workpiece, determining, from at least a focal position of the laser beam associated with the peripheral beam contact with the workpiece, a suitable workpiece processing focal position of the laser beam, and then adjusting the laser beam to the suitable workpiece processing focal position.
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