the invention relates to a device for vacuum - pressing of disk - shaped substrates , in particular dvd substrates into a finished dvd , wherein the device has a vacuum chamber with two substrate holders and an intermediate element that can be displaced inside the vacuum chamber ; and wherein the intermediate element divides the vacuum chamber into a first low - pressure chamber and a second chamber that can be alternatingly connected to vacuum or to an overpressure , which makes the device particularly suited for use with a hot - melt thermoplastic adhesive .