... high, the cooling fan, low noise; compact structure, small size, can be made into special machines designed for various ... etc.; 2, character arrangement: horizontal, inclined, arc, arbitrary permutation; 3, any optional font; 4, the character size, spacing can be ... 2, the minimum line width: 0.015mm 3, the minimum character: 0.3mm 4, repeat accuracy: 0.001mm 5, beam diameter: ≤ 3.5mm 6, marking ...