Abstract: A treatment installation for vacuum treatment of a front side of strip substrates includes first and second process chambers, each process chamber including a process roller and at least one process source. A transfer chamber arranged between the process chambers is coupled with both process chambers and can be separated in terms of pressure from at least one of the process chambers. The transfer chamber further includes an unwinding device with a removable unwinding reel and a winding-up device with a removable winding-up reel for the substrate and an outside air lock for loading and unloading the unwinding reel and/or winding-up reel. The rear side of the substrate faces the two process rollers and can be guided through the transfer chamber from the unwinding device to the first process roller, from the first process roller to the second process roller and from the second process roller to the winding-up device.

Abstract: In the case of the treatment installation for the vacuum treatment, in particular vacuum coating, of a front side of substrates in strip form in a first process chamber with a first process roller and at least one process source and a second process chamber with a second process roller and at least one process source, it is provided that there is a transfer chamber which is arranged between the first and second process chambers, is coupled with both process chambers and can be separated in terms of pressure from at least one of the process chambers and an unwinding device with a removable unwinding reel and a winding-up device with a removable winding-up reel for the substrate to be treated as well as an outside air lock for loading and unloading the unwinding reel and/or winding-up reel.