Table 5.

The minimal weld seam widths achieved with the f100 and f200 lenses.

Lens used	Laser power (W)	Welding speed (mm/s)	Weld seam width (cross-section) (µm)	Weld seam width (surface) (µm)
100	300	1000	86	99
100	300	1200	91	98
200	300	1200	79.4	65
200	300	1400	54.2	68
200	300	1600	59	71
200	300	1800	60.4	70
200	300	2000	54	74
200	400	1800	62.8	75
200	400	2000	62.75	71