Arrangement for the production of structured substrates

An arrangement for producing structured substrates with a device for applying layer systems to a substrate, the arrangement comprising:

• a closed chamber for applying liquid materials to form the layer system;
• a rotating holder for substrates;
• and
• a collecting device surrounding the rotating holder and arranged in the closed chamber, the collecting device adapted to collect liquid materials spun off of the substrate,
• wherein the collecting device has at least two removal devices configured to remove the liquid collected materials selectively individually or in batches,
• wherein the collecting device in the chamber surrounds the holder in a ring-shaped manner and has at least two collection zones separated from one another by separating elements to collect the spun-off liquid materials, and
• wherein the collecting device has at least two wall-shaped separating elements on a side facing the holder, which form at least two ring-shaped channels as collection zones, which are provided with one or more removal devices.