abstract |
The synthetic polymer film (34A), (34B) of the present invention has a surface with a plurality of protrusions (34Ap), (34Bp), and when viewed in the normal direction of the self-synthetic polymer film (34A), (34B) , The two-dimensional size of the plurality of protrusions (34Ap) and (34Bp) is within the range of more than 20nm and less than 500nm, the surface has a sterilizing effect, and the concentration of nitrogen contained in the surface is above 0.7at%. |