abstract |
A synthetic polymer film ( 34 A), ( 34 B) having a surface which has a plurality of first raised portions ( 34 Ap), ( 34 Bp), wherein a two-dimensional size of the plurality of first raised portions ( 34 Ap), ( 34 Bp) is in a range of more than 20 nm and less than 500 nm when viewed in a normal direction of the synthetic polymer film ( 34 A), ( 34 B); and the surface has a microbicidal effect. |