CMC Magnetics Corporation (, Central Ring Public Limited Company) is a Taiwanese company that manufactures optical discs. Established in 1978, its factories are located in Taiwan (Memorex, HP, Philips, TDK, Maxell) and Hong Kong (Memorex, Philips). In December 2015, Taiyo Yuden, one of the inventors of the recordable CD and inventor of the original cyanine dye for CD-R, sold its optical disc brand and intellectual property to CMC Magnetics, ending its own production in Japan.[1]
Products
CMC produces CD and DVD storage media products, including CD-R, CD-RW, DVD-R/RW, DVD+R/RW, DVD-RAM, and floppy diskettes. CMC produces the Mr. Data line of optical media, which is or was commonly rebranded and sold by HP