| 摘要 |
<p>A method for processing a film. The method impressing the whole surface or a selected surface of the film (10) to form protuberant structures (12) on the film by using a transfer (106) and an impresser (104) which has grain projections (108) formed thereon, wherein the protuberant structures have a protuberant shape with an opening hole on the tip or without an opening hole on the tip.</p> |
