The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
The Rapid Layer Technology allows to fabricate the substructure (= oxide ceramic) and the veneer structure (= feldspar ceramic) in a digital manufacturing process. The substructure and the veneer are bonded to one another using an adhesive composite. The iPhone application includes the fabrication process, the substructure design and the bonding process.