| 摘要 |
The product marking method comprises: a step of forming, on or in said product, a copy-robust mark with a first resolution; a step of forming, on or in said product, a copy-fragile mark, with a second resolution greater than the first resolution; a step of capturing an image of said robust mark, of said fragile mark and of another portion of the product; and a step of storing information representative of the image of said robust mark, of said fragile mark and of said other portion. In certain embodiments, during at least one forming step, the position of the mark formed during this forming step, relative to the other image portion, is random. |
