Mark depth, µm

Variable laser parameters

Erichsen cupping value IE, mm

Laser power,

W

Pulse frequency,

kHz

Scanning speed,

mm/s

19

18

60

25

9.1

18

20

80

30

9.4

17

18

60

30

9.7

16

18

40

50

9.7

15

20

40

50

9.7

14

18

80

30

9.7

13

16

40

30

9.8

12

16

60

40

9.9

11

16

60

40

9.8

10

16

40

50

9.9

9

16

80

30

unrecognizable

8

16

80

40

unrecognizable

7

16

60

50

unrecognizable