| DVD | Digital Video Disc – This is the generic term that’s often used to cover all forms of 120mm optical media polycarbonate discs with a capacity of approx. 4.3GB. DVD’s are made from a 1.2 mm thick disc of polycarbonate plastic with a thin layer of aluminum to make a reflective surface. The most common size of DVD disc is 120 mm in diameter, though the smaller Mini DVD standard with an 80 mm diameter, as well as numerous non-standard sizes and shapes (e.g., business card-sized media) are also available. DVD’s originally began as a method of solely video distribution but are now commonly used to distribute data files, software applications and other types of multimedia. |
