The JVC M-DV63PROHD ProHD MiniDV Video Cassette is a metal evaporated tape designed for mission critical professional applications, where high quality, durability and stability are paramount considerations. There is a DLC protective layer and a thin cobalt magnetic layer that have brought about increases in durability and storage stability. The tape has improved electrical properties and lower error rate. It also has higher output levels in the high-frequency range.