Table 1.

Average film puncture force of 2%, 4%, and 6% CMC film with different micropillars’ diameters

Micropillar diameter	300 µm	350 µm	400 µm
2% CMC film	3.10 N	4.32 N	5.54 N
4% CMC film	6.20 N	7.98 N	10.26 N
6% CMC film	7.71 N	11.05 N	15.83 N