The invention provides, amongst other aspects, a device comprising a substrate; a wall which is welded onto the substrate thereby defining a channel; and a covering layer extending over the substrate and covering at least the wall, wherein the wall is prefabricated, and wherein the covering layer is integrally formed. The invention further provides, amongst other aspects, a method of manufacturing a device comprising a channel preferably the device according to the present invention, the method comprising providing a substrate; welding a wall onto the substrate for defining the channel; and depositing a covering layer covering at least the wall and extending over the substrate, wherein the wall is prefabricated, and wherein the covering layer is deposited by means of a single additive manufacturing step.
Pour en savoir plus : Improved welding of conformal channels
