| 摘要 |
The present invention relates to micro channels (1) in a substrate (5) wherein said micro channels has an internal surface (7, 9, 11) that in a region (15), adapted for distributing fluid, has one or more grooves (17, 27, 37, 47, 57, 77) and/or one or more abutting projections (59, 69, 79) which extend at least partly from the bottom of the micro channel to the top of the micro channel. |
