| 摘要 |
<p>An embossing member (10) used for producing diffractive microstructur?s (201) giving a visual effect comprises a stamping surface (15) having a microstructure, fastening portions (16a, 16b), and at least one doubly curved portion (11) that connects the stamping surface (15) to the fastening portions (16a, 16b). The stamping surface (15) remains stably in its place between the fastening portions (16a, 16b). The embossing member (10) can be mounted quickly on its base (20), for example with screws (32), without using glue, solder or weldin .</p> |
