It is a kind of new technology which is being acted as a new data storage in optical fiber format and is very similar to the CD ROMS and the DVDs, both in size as well as in appearance. They have card embedded inside it and is used for providing the high capacity of the storage devices which are very much cheaper as compared to the current compact flash and microdrives which are basically of the card type storage devices.
FMD is very much efficient when it com es to the increment in the disc capacity along with the quick parallel access and media tolerances. The usage flexibility from the disc as well as drive both are very much efficient when it comes to the more powerful nature of the flourescent multi layer disc system. Data is being recorded in multiple layer as well as the flourescent materials too.