Patent ID: 11931714
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 4:
5. The apparatus according to claim 1, wherein the substrate comprises a further recess in which a further multitude of particles is arranged;
wherein a first portion of the further particles is joined to a further porous structure by means of a further coating arranged with respect to the first portion of the further particles, and wherein a second portion of the further particles is not joined by means of the further coating; and
wherein the first portion of the further particles is arranged between the second portion of the further particles and a surrounding area of the further recess and is configured to essentially prevent a movement of the second portion of the further particles towards the surrounding area of the further recess.