How is the metal, gold or not, coated onto the media?
Both the gold and the gold/silver alloy are applied using a vacuum vapor deposition process referred to as sputtering. • What dye is used on KODAK CD-R media? Kodak uses their version of phthalocyanine dye in all their general purpose and hybrid media. Kodak uses a metal-stabilized cyanine dye in their audio media to enhance low-speed recording performance. • Do KODAK CD-R Gold Ultima and KODAK CD-R Ultima media use the same dye? A phthalocyanine dye is used in all KODAK general purpose and hybrid media. • Are the materials used to manufacture CD-Rs hazardous? Are they recycled? Kodak is very concerned about the environment and about the impact our products have on it. Our CD-R discs are manufactured under strict guidelines to minimize environmental impact. There is very little waste generated in CD-R manufacture as most materials are recycled and reclaimed. A CD-R disc is not considered a hazardous waste; by far the largest component is the substrate, which is made from polycarbonate,
